CN114877086A - Forged steel stop valve for high-temperature and high-pressure delivery pipeline - Google Patents

Forged steel stop valve for high-temperature and high-pressure delivery pipeline Download PDF

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Publication number
CN114877086A
CN114877086A CN202210540363.9A CN202210540363A CN114877086A CN 114877086 A CN114877086 A CN 114877086A CN 202210540363 A CN202210540363 A CN 202210540363A CN 114877086 A CN114877086 A CN 114877086A
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CN
China
Prior art keywords
valve
valve seat
filter screen
rotating rod
forged steel
Prior art date
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Pending
Application number
CN202210540363.9A
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Chinese (zh)
Inventor
洪志福
洪翠兰
洪志敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dayang Valve Co ltd
Original Assignee
Zhejiang Dayang Valve Co ltd
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 Zhejiang Dayang Valve Co ltd filed Critical Zhejiang Dayang Valve Co ltd
Priority to CN202210540363.9A priority Critical patent/CN114877086A/en
Publication of CN114877086A publication Critical patent/CN114877086A/en
Pending legal-status Critical Current

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    • 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
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • F16K1/38Valve members of conical shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6423Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • 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
    • F16K1/32Details
    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0254Construction of housing; Use of materials therefor of lift valves with conical shaped valve members

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Details Of Valves (AREA)

Abstract

The invention belongs to the technical field of forged steel stop valves, and particularly relates to a forged steel stop valve for a high-temperature and high-pressure delivery pipeline, which comprises a first valve seat and a second valve seat, wherein the first valve seat and the second valve seat are arranged in a matched manner, a water inlet and a water outlet are respectively arranged at two ends of the first valve seat, a partition plate is arranged in the first valve seat, a water passing port is arranged on the partition plate, a corresponding sealing cover is embedded at the upper end of the second valve seat in a matched manner, a corresponding valve rod is connected to the top end of the sealing cover in a threaded manner, a sealing block is fixedly arranged in the second valve seat, the valve rod downwards penetrates through the sealing block and extends into the first valve seat to be fixedly connected with a corresponding valve plate, and the valve plate is arranged in a matched manner with the water passing port; utilize rivers impact spiral leaf to drive first bull stick and rotate as drive power, brush holder and multiunit stereoplasm brush can brush the impurity of attaching to on the filter screen except that following lift nut reciprocates to guarantee that the filter screen keeps better effect constantly.

Description

Forged steel stop valve for high-temperature and high-pressure delivery pipeline
Technical Field
The invention relates to the technical field of forged steel stop valves, in particular to a forged steel stop valve for a high-temperature and high-pressure delivery pipeline.
Background
The valve rod of the valve has relatively short opening or closing stroke and reliable cut-off function, and the valve seat has port change in direct proportion to the stroke of the valve clack, so that the valve is suitable for regulating flow rate. Therefore, this type of shut-off valve is very suitable for shut-off or regulation and throttling.
The utility model discloses an "stop valve includes valve body, valve gap, valve rod, valve clack and hand wheel in the file that patent publication is CN204729638U, and the valve gap is used for being equipped with the protruding edge of annular with one side of valve body laminating, the cross-section on the protruding edge of annular is the isosceles trapezoid structure, and the trapezoidal last bottom surface of equal waist sets up in the opposite side of relative valve gap, the surperficial cladding on the protruding edge of annular has the elastic layer, one side that the valve body is used for laminating the valve gap is equipped with the annular groove along the adaptation with the annular is protruding, the inner chamber of valve body is close to valve gap department and is equipped with the separation device who is arranged in the separation medium impurity contact valve body and valve gap junction".
The disadvantages of the patent document; although the impurities in the flow transmission medium in the stop valve can be screened, after a period of time, the front end of the blocking device is easy to form impurity accumulation, so that the stop valve is blocked and the blocking device cannot be cleaned.
Disclosure of Invention
In order to solve the problems that in the prior art, impurities are easy to accumulate at the front end of a blocking device, so that the blocking valve is blocked and the blocking device cannot be cleaned, the invention provides a forged steel blocking valve for a high-temperature and high-pressure delivery pipeline.
The technical scheme adopted by the invention for solving the technical problems is as follows: a forged steel stop valve for a high-temperature and high-pressure delivery pipeline comprises a first valve seat and a second valve seat, wherein the first valve seat and the second valve seat are arranged in a matched mode, a water inlet and a water outlet are formed in two ends of the first valve seat respectively, a partition plate is arranged in the first valve seat, a water passing port is formed in the partition plate, a corresponding sealing cover is embedded and connected to the upper end of the second valve seat in a matched mode, a corresponding valve rod is connected to the top end of the sealing cover in a threaded mode, a sealing block is fixedly arranged in the second valve seat, the valve rod penetrates through the sealing block downwards and extends into the first valve seat to be fixedly connected with a corresponding valve plate, the valve plate is arranged in a matched mode with the water passing port, a matched filter screen is arranged in the water passing port, a water passing pipe is arranged between the water passing port and the water outlet, and an automatic cleaning device is arranged between the water passing pipe and the filter screen; can filter impurity and large granule material in the liquid, and automatic cleaning device can filter the impurity of piling up on the filter screen.
Preferably, the automatic cleaning device comprises a hollow ball, a first rotating rod and a second rotating rod, the hollow ball is fixedly arranged in a first valve seat, the first rotating rod is arranged along the axis of the water passing pipe, the first rotating rod penetrates through the side wall of the hollow ball inwards and is fixedly connected with a first helical gear, one end of the first rotating rod, which is far away from the first helical gear, is fixedly provided with a plurality of groups of helical blades which are uniformly distributed, the top end of the second rotating rod is rotatably connected with the inner wall of the first valve seat, the second rotating rod penetrates through the hollow ball downwards and is fixedly sleeved with a second helical gear meshed with the first helical gear, the second rotating rod is provided with a reciprocating threaded part, the reciprocating threaded part is positioned below the hollow ball, the reciprocating threaded part is in threaded connection with a lifting nut, one side, which is close to the filter screen, of the lifting nut is fixedly connected with a corresponding brush seat, one end, which is close to the filter screen, of the brush seat is inserted with a plurality of groups of hard brushes which are uniformly distributed, a limiting unit is arranged between the brush seat and the filter screen; utilize rivers impact spiral leaf to drive first bull stick and rotate as drive power, first helical gear drives the second helical gear thereupon and then drives the second bull stick and rotate, and lifting nut is along second bull stick up-and-down motion, and brush seat and multiunit stereoplasm brush can brush the impurity of attaching to on the filter screen when following lifting nut and reciprocating to guarantee that the filter screen keeps better effect constantly.
Preferably, the limiting unit comprises a limiting sliding block and a limiting sliding groove, the limiting sliding groove is positioned on the filter screen, and the limiting sliding block is fixedly connected with the lifting nut; the lifting nut is ensured not to rotate in the process of rising along the second rotating rod.
Preferably, the hard brush consists of a plurality of groups of hard carbon fibers, and a plurality of groups of uniformly distributed weeping holes are arranged on the brush seat in a penetrating manner; when guaranteeing delivery port water efficiency, can wash the filter screen through infiltration liquid mouth spun rivers, improved the cleaning performance of stereoplasm brush to the filter screen.
Preferably, the lower side wall of the first valve seat is provided with a corresponding sewage draining outlet, a corresponding plug is arranged in an opening at the lower end of the sewage draining outlet, and the plug and the sewage draining outlet are fixedly connected through a plurality of groups of fastening pins which are uniformly distributed; can collect the large granule impurity that drops on the filter screen to first disk seat of timely discharge and second disk seat inner chamber realize the clearance to first disk seat and the inside of second disk seat.
Preferably, the corresponding lifting plug is connected in the sewage draining port in a sealing and sliding manner, a threaded rod is connected to the center of the plug in a threaded manner, the threaded rod upwards penetrates through the plug and is rotatably connected with the lower side wall of the lifting plug, and the plug and the lifting plug are fixedly connected through a plurality of groups of uniformly distributed limiting telescopic columns; the height of the lifting plug in the sewage draining port can be adjusted by screwing the threaded rod, so that the height of the lifting plug is adjusted in time according to the accumulated amount of large-particle impurities in the sewage draining port, the lifting plug and the blockage are dually plugged, and the sealing effect is ideal.
Preferably, the lower end of the outer side wall of the second valve seat is fixedly connected with a corresponding matching lug, and the inner wall of the matching lug is in sealing contact with the first valve seat; the sealing performance of the first valve seat and the second valve seat is enhanced, and liquid is prevented from being diffused outwards through a gap between the first valve seat and the second valve seat.
Preferably, the water passing port is arranged to be a funnel shape with a large opening at the upper end and a small opening at the lower end, the valve plate is arranged to be matched with the water passing port, and a layer of hard sealing pad with uniform thickness is arranged around the valve plate in a cushioning manner; the blocking effect of the valve plate on the water passing opening is improved.
The invention has the advantages that:
1. the filter screen is arranged in the water outlet, so that impurities and large granular substances in liquid can be screened, the first rotating rod is driven to rotate by utilizing the water flow impact spiral blade to serve as driving force, the first helical gear drives the second helical gear to further drive the second rotating rod to rotate, the lifting nut reciprocates up and down along the second rotating rod, and the brush base and the multiple groups of hard brushes can brush the impurities attached to the filter screen while moving up and down along the lifting nut, so that the filter screen is guaranteed to keep a good effect constantly;
2. through set up multiunit sepage mouth on the brush seat, when guaranteeing delivery port water efficiency, can wash the filter screen through sepage mouth spun rivers, improved the cleaning performance of stereoplasm brush to the filter screen, through the setting of drain and jam, can collect the large granule impurity that drops on the filter screen to in time discharge first disk seat and second valve seat inner chamber, realize the clearance to first disk seat and second valve seat inside.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of an overall appearance structure of the first embodiment;
FIG. 2 is a schematic view of a structure of a hollow sphere, a first rotating rod and a second rotating rod according to the first embodiment;
FIG. 3 is a schematic sectional front view of the first embodiment;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 4;
fig. 6 is a schematic view of a fitting structure of a seal ring and a seal cover according to the second embodiment.
In the figure: 1 first disk seat, 2 second disk seats, 3 sealed cowls, 4 sealing washers, 5 cooperation ears, 6 baffles, 7 water inlets, 8 delivery ports, 9 valve stems, 10 sealed pieces, 11 water passing ports, 12 valve plates, 13 filter screens, 14 drain outlets, 15 clogs, 16 threaded rods, 17 lift plugs, 18 spacing flexible posts, 19 water passing pipes, 20 hollow balls, 21 first bull stick, 22 second bull stick, 23 first helical gear, 24 second helical gear, 25 lift nut, 26 brush seats, 27 stereoplasm brush, 28 spacing sliders, 29 spacing chutes, 30 sepage ports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, a forged steel stop valve for a high-temperature and high-pressure delivery pipeline includes a first valve seat 1 and a second valve seat 2, the first valve seat 1 and the second valve seat 2 are arranged in a matching manner, a water inlet 7 and a water outlet 8 are respectively arranged at two ends of the first valve seat 1, a partition plate 6 is arranged in the first valve seat 1, a water passing hole 11 is formed in the partition plate 6, a corresponding sealing cover 3 is embedded at the upper end of the second valve seat 2 in a matched mode, a corresponding valve rod 9 is connected to the top end of the sealing cover 3 in a threaded mode, a sealing block 10 is fixedly arranged in the second valve seat 2, the valve rod 9 penetrates through the sealing block 10 downwards and extends into the first valve seat 1 to be fixedly connected with a corresponding valve plate 12, the valve plate 12 is matched with the water passing hole 11, a matched filter screen 13 is arranged in the water passing hole, a water passing pipe 19 is arranged between the water passing hole 11 and the water outlet 8, and an automatic cleaning device is arranged between the water passing pipe 19 and the filter screen 13; impurity and large granule material in the liquid can be screened through set up filter screen 13 in delivery port 8, and automatic cleaning device can be screened the accumulational impurity on filter screen 13.
The automatic cleaning device comprises a hollow ball 20, a first rotating rod 21 and a second rotating rod 22, wherein the hollow ball 20 is fixedly arranged in a first valve seat 1, the first rotating rod 21 is arranged along the axis of a water pipe 19, the first rotating rod 21 penetrates through the side wall of the hollow ball 20 inwards and is fixedly connected with a first helical gear 23, one end, far away from the first helical gear 23, of the first rotating rod 21 is fixedly provided with a plurality of groups of uniformly distributed helical blades, the top end of the second rotating rod 22 is rotatably connected with the inner wall of the first valve seat 1, the second rotating rod 22 penetrates through the hollow ball 20 downwards and is fixedly sleeved with a second helical gear 24 meshed with the first helical gear 23, the second rotating rod 22 is provided with a reciprocating threaded part, the reciprocating threaded part is positioned below the hollow ball 20, a lifting nut 25 is connected with a thread on the reciprocating threaded part, one side, close to the filter screen 13, of the lifting nut 25 is fixedly connected with a corresponding brush seat 26, one end, close to the filter screen 13, of the brush seat 26 is inserted with a plurality of uniformly distributed hard brushes 27, a limiting unit is arranged between the brush seat 26 and the filter screen 13; through clean shot 20, second bull stick 22, the setting of first bull stick 21 and helical lobe, utilize rivers impact helical lobe to drive first bull stick 21 and rotate as drive power, first helical gear 23 drives second helical gear 24 and then drives second bull stick 22 and rotate along with it, lifting nut 25 is along reciprocating motion about second bull stick 22, brush seat 26 and multiunit stereoplasm brush 27 when following lifting nut 25 and reciprocate, can brush the impurity of attaching to on filter screen 13 and remove, thereby guarantee that filter screen 13 keeps better effect constantly.
The limiting unit comprises a limiting slide block 28 and a limiting slide groove 29, the limiting slide groove 29 is positioned on the filter screen 13, and the limiting slide block 28 is fixedly connected with the lifting nut 25; the cooperation of the limit slider 28 and the limit chute 29 ensures that the lifting nut 25 does not rotate during the lifting process along the second rotating rod 22.
The hard brush 27 is composed of a plurality of groups of hard carbon fibers, and a plurality of groups of evenly distributed seepage openings 30 are arranged on the brush seat 26 in a penetrating way; through set up multiunit sepage mouth 30 on brush seat 26, when guaranteeing delivery port 8 water efficiency, through the water flow of sepage mouth 30 spun can wash filter screen 13, improved the cleaning performance of stereoplasm brush 27 to filter screen 13.
A corresponding sewage draining outlet 14 is formed in the lower side wall of the first valve seat 1, a corresponding plug 15 is arranged in an opening at the lower end of the sewage draining outlet 14, and the plug 15 is fixedly connected with the sewage draining outlet 14 through a plurality of groups of fastening pins which are uniformly distributed; through the setting of drain 14 and jam 15, can collect the large granule impurity that drops on the filter screen 13 to the first disk seat 1 of timely discharge and the 2 inner chambers of second disk seat realize the clearance to first disk seat 1 and the inside of second disk seat 2.
A corresponding lifting plug 17 is connected in the sewage draining exit 14 in a sealing and sliding manner, a threaded rod 16 is connected at the center of the plug 15 in a threaded manner, the threaded rod 16 upwards penetrates through the plug 15 and is rotatably connected with the lower side wall of the lifting plug 17, and the plug 15 and the lifting plug 17 are fixedly connected through a plurality of groups of limit telescopic columns 18 which are uniformly distributed; the height of the lifting plug 17 in the sewage draining exit 14 can be adjusted by screwing the threaded rod 16 through the matching of the threaded rod 16, the lifting plug 17 and the limiting telescopic column 18, so that the height of the lifting plug 17 can be adjusted in time according to the accumulated amount of large-particle impurities in the sewage draining exit 14, the lifting plug 17 and the plug 15 are plugged, and the sealing effect is ideal.
The lower end of the outer side wall of the second valve seat 2 is fixedly connected with a corresponding matching lug 5, and the inner wall of the matching lug 5 is in sealing and abutting contact with the first valve seat 1; through the arrangement of the matching lug 5, the matching tightness of the first valve seat 1 and the second valve seat 2 is enhanced, and liquid is prevented from diffusing outwards through a gap between the first valve seat 1 and the second valve seat 2.
The water passing port 11 is arranged into a funnel shape with a larger opening at the upper end and a smaller opening at the lower end, the valve plate 12 is arranged into a valve plate 12 matched with the water passing port 11, and a layer of hard sealing gasket with uniform thickness is arranged around the valve plate 12 in a padding way; the purpose of this arrangement has improved the shutoff effect of valve plate 12 to water outlet 11.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a corresponding sealing ring 4 is fixedly disposed at an upper end of a sealing cover 3, and the sealing ring 4 is in threaded connection with a valve rod 9; by the arrangement of the sealing ring 4, the sealing performance between the valve rod 9 and the sealing cover 3 is improved, and the liquid in the first valve seat 1 and the second valve seat 2 is prevented from diffusing outwards through a gap between the valve rod 9 and the sealing cover 3.
Theory of operation, utilize rivers impact helical blade to drive first bull stick 21 and rotate as drive power, first helical gear 23 drives second helical gear 24 and then drives second bull stick 22 and rotate thereupon, lifting nut 25 is along reciprocating motion about second bull stick 22, brush holder 26 and multiunit stereoplasm brush 27 are when following lifting nut 25 and reciprocate, can brush the impurity of attaching to on filter screen 13, thereby guarantee that filter screen 13 keeps better effect constantly, through the setting of drain 14 with jam 15, can collect the large granule impurity that drops on filter screen 13, and timely discharge first disk seat 1 and 2 inner chambers of second disk seat, realize the clearance to first disk seat 1 and 2 inside of second disk seat.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (8)

1. The utility model provides a forged steel stop valve for high temperature high pressure delivery pipeline which characterized in that: the water-saving valve comprises a first valve seat (1) and a second valve seat (2), wherein the first valve seat (1) and the second valve seat (2) are arranged in a matched mode, a water inlet (7) and a water outlet (8) are respectively formed in the two ends of the first valve seat (1), a partition plate (6) is arranged in the first valve seat (1), a water passing hole (11) is formed in the partition plate (6), a corresponding sealing cover (3) is embedded in the upper end of the second valve seat (2) in a matched mode, a corresponding valve rod (9) is connected to the top end of the sealing cover (3) in a threaded mode, a sealing block (10) is fixedly arranged in the second valve seat (2), the valve rod (9) penetrates through the sealing block (10) downwards and extends into a corresponding valve plate (12) fixedly connected with the first valve seat (1), the valve plate (12) is arranged in a matched mode with the water passing hole (11), a matched filter screen (13) is arranged in the water passing hole, and a water passing pipe (19) is arranged between the water passing hole (11) and the water outlet (8), an automatic cleaning device is arranged between the water passing pipe (19) and the filter screen (13).
2. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 1, wherein: the automatic cleaning device comprises a hollow ball (20), a first rotating rod (21) and a second rotating rod (22), wherein the hollow ball (20) is fixedly arranged in a first valve seat (1), the first rotating rod (21) is arranged along the axis of a water pipe (19), the first rotating rod (21) penetrates through the side wall of the hollow ball (20) inwards and is fixedly connected with a first helical gear (23), one end, far away from the first helical gear (23), of the first rotating rod (21) is fixedly provided with a plurality of groups of helical blades which are uniformly distributed, the top end of the second rotating rod (22) is rotatably connected with the inner wall of the first valve seat (1), the second rotating rod (22) penetrates through the hollow ball (20) downwards, a second helical gear (24) meshed with the first helical gear (23) is fixedly sleeved on the second rotating rod (22), a reciprocating thread portion is arranged on the second rotating rod (22), and the reciprocating thread portion is located below the hollow ball (20), threaded connection has lifting nut (25) on the reciprocal screw portion, one side fixedly connected with that lifting nut (25) are close to filter screen (13) corresponds brush holder (26), one end that brush holder (26) are close to filter screen (13) is inserted and is equipped with multiunit evenly distributed's stereoplasm brush (27), and is provided with spacing unit between brush holder (26) and filter screen (13).
3. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 2, wherein: the limiting unit comprises a limiting sliding block (28) and a limiting sliding groove (29), the limiting sliding groove (29) is located on the filter screen (13), and the limiting sliding block (28) is fixedly connected with the lifting nut (25).
4. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 2, wherein: the hard brush (27) is composed of a plurality of groups of hard carbon fibers, and a plurality of groups of seepage openings (30) which are uniformly distributed penetrate through the brush seat (26).
5. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 1, wherein: the side wall is provided with corresponding drain (14) under first disk seat (1), be provided with corresponding jam (15) in drain (14) lower extreme opening, block up (15) and drain (14) between through multiunit evenly distributed's fastening pin fastening connection.
6. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 5, wherein: the utility model discloses a sewage draining outlet, including drain (14), stopper (15) center department threaded connection have threaded rod (16), threaded rod (16) upwards run through and block up (15) and go up and down stopper (17) side wall and rotate and be connected, and block up between (15) and the lift stopper (17) spacing flexible post (18) fixed connection through multiunit evenly distributed.
7. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 1, wherein: the lower end of the outer side wall of the second valve seat (2) is fixedly connected with a corresponding matching lug (5), and the inner wall of the matching lug (5) is sealed and abutted against the first valve seat (1).
8. The forged steel stop valve for high-temperature and high-pressure delivery pipelines according to claim 1, wherein: the water passing port (11) is arranged into a funnel shape with a large upper end opening and a small lower end opening, the valve plate (12) is arranged into a valve plate (12) matched with the water passing port (11), and a layer of hard sealing gasket with uniform thickness is arranged around the valve plate (12).
CN202210540363.9A 2022-05-17 2022-05-17 Forged steel stop valve for high-temperature and high-pressure delivery pipeline Pending CN114877086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210540363.9A CN114877086A (en) 2022-05-17 2022-05-17 Forged steel stop valve for high-temperature and high-pressure delivery pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210540363.9A CN114877086A (en) 2022-05-17 2022-05-17 Forged steel stop valve for high-temperature and high-pressure delivery pipeline

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Publication Number Publication Date
CN114877086A true CN114877086A (en) 2022-08-09

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115325262A (en) * 2022-10-17 2022-11-11 无棣海忠软管制造有限公司 Anti-blocking valve
CN116498752A (en) * 2023-06-28 2023-07-28 江苏杰航科技有限公司 Corrosion-resistant valve body convenient to clean

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115325262A (en) * 2022-10-17 2022-11-11 无棣海忠软管制造有限公司 Anti-blocking valve
CN116498752A (en) * 2023-06-28 2023-07-28 江苏杰航科技有限公司 Corrosion-resistant valve body convenient to clean
CN116498752B (en) * 2023-06-28 2023-09-15 江苏杰航科技有限公司 Corrosion-resistant valve body convenient to clean

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