CN112943995A - Balanced type fluorine-lined self-operated regulating valve and regulating method thereof - Google Patents
Balanced type fluorine-lined self-operated regulating valve and regulating method thereof Download PDFInfo
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- CN112943995A CN112943995A CN202110319044.0A CN202110319044A CN112943995A CN 112943995 A CN112943995 A CN 112943995A CN 202110319044 A CN202110319044 A CN 202110319044A CN 112943995 A CN112943995 A CN 112943995A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000002159 abnormal effect Effects 0.000 claims description 65
- 238000012423 maintenance Methods 0.000 claims description 59
- 238000012545 processing Methods 0.000 claims description 19
- 238000007405 data analysis Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052731 fluorine Inorganic materials 0.000 abstract description 11
- 239000011737 fluorine Substances 0.000 abstract description 11
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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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
- 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
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
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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
- 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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a balanced type fluorine lining self-operated regulating valve and a regulating method thereof, which comprises a lower membrane cover, a rubber composite membrane, an upper membrane cover, a valve body, a valve core valve rod, a corrugated pipe, a valve cover, a nut, a stud, a pressure regulating disc, a regulating spring, a dustproof sealing ring, a spring gland and a bearing, wherein the left side pipe orifice of the valve body is a water outlet, the right side pipe orifice of the valve body is a water inlet, the upper end pipe orifice of the valve body is connected with the valve cover, the lower end pipe orifice of the valve body is connected with the upper membrane cover, the bottom surface of the upper membrane cover is provided with the lower membrane cover, the rubber composite membrane is arranged between the lower membrane cover and the upper membrane cover, an upper membrane cover membrane cavity is formed between the rubber composite membrane and the upper membrane cover, the lower membrane cover is externally connected with a hydraulic actuating mechanism, the hydraulic actuating mechanism is arranged on one side below the valve body, the rear pressure of the valve, forming internal pressure.
Description
Technical Field
The invention belongs to the technical field of fluorine lining regulating valves, and particularly relates to a balanced fluorine lining self-operated regulating valve and a regulating method thereof.
Background
The self-operated pressure regulating valve is an actuator product which utilizes the self energy of a regulated medium to automatically regulate. The pressure can be divided into the pressure before the control valve and the pressure after the control valve according to the action mode of the control pressure; the self-operated pressure regulating valve is divided into an internal pressure taking mode and an external pressure taking mode according to the pressure taking type, and has the following defects in the use process:
1. in a self-operated regulator valve for controlling the pressure behind the valve, an external pressure measurement type is generally used. Due to the requirement of corrosion resistance, a pressure hole (a fluorine lining layer of the valve body or the pipeline is damaged, so that an internal corrosive medium corrodes a metal layer of the valve body or the pipeline) cannot be formed in the valve body or the pipeline, and generally, a fluorine lining self-operated type can only manufacture a structural type of internal pressure measurement before the control valve;
2. if corrosive media leak outside, the environment or the field safety is affected, the self-operated fluorine-lined corrugated pipe is complex in structure, difficult to produce and manufacture, and has the dangers of later service life, maintenance and the like;
3. when the aperture of the valve is increased, the unbalanced force of a medium acting on the valve core is larger, and when the pressure in front of the valve fluctuates, the unbalanced force on the valve core fluctuates, so that the position of the valve core is changed, and the change of the pressure and the flow behind the valve is influenced;
in practical application, more users desire to control the pressure behind the valve by using a fluorine-lined self-operated regulating valve and further to have a bellows seal, and do not desire to change the pressure behind the valve and the flow rate along with the change of the pressure in front of the valve. A balanced cartridge configuration is therefore required. The balance valve core structure has the following consequences that an external pressure taking structure is needed, the fluorine lining valve cannot be used as the external pressure taking structure, the conditions cannot be simultaneously realized in the conventional fluorine lining self-operated pressure reducing valve, and therefore, a balance fluorine lining self-operated regulating valve needs to be developed.
Disclosure of Invention
The invention aims to provide a balanced type fluorine lining self-operated regulating valve and a regulating method thereof.A hydraulic actuating mechanism is arranged at one side below a valve body, and the back pressure of the valve body enters an upper membrane cover die cavity formed by a rubber composite membrane and an upper membrane cover to form internal pressure measurement; the corrugated pipe is arranged on the upper side of the valve core valve rod, so that the size of the corrugated pipe changes along with the size of the valve seat, the pressure before the valve can be effectively balanced, the valve core valve rod cannot shake when the pressure before the valve changes, the medium before the valve is isolated from the outside, and leakage prevention is realized; the valve body abandons the traditional stuffing box structure, so that the friction force of the valve core and the valve rod is small, the control precision is high and can reach 5 percent, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a balanced type fluorine-lined self-operated regulating valve comprises a lower membrane cover, a rubber composite membrane, an upper membrane cover, a valve body, a valve core valve rod, a corrugated pipe, a valve cover, a nut, a stud, a pressure regulating disc, a regulating spring, a dustproof sealing ring, a spring gland and a bearing, wherein a water outlet is arranged at a left side pipe orifice of the valve body, a water inlet is arranged at a right side pipe orifice of the valve body, the valve cover is connected with an upper end pipe orifice of the valve body, a lower membrane cover is connected with a lower end pipe orifice of the valve body, the rubber composite membrane is arranged between the lower membrane cover and the upper membrane cover, an upper membrane cover membrane cavity is formed between the rubber composite membrane and the upper membrane cover, and a hydraulic actuating mechanism is externally connected onto the lower membrane cover;
the valve comprises a valve cover, a valve core, a valve rod, a corrugated pipe, a pressure adjusting disc and a spring gland, wherein the valve core valve rod is vertically arranged on the valve cover, the bottom end of the valve core valve rod penetrates through the valve cover and is arranged above a valve seat, the bottom end of the valve core valve rod is matched with the valve seat, the bottom of the valve core valve rod is connected with the corrugated pipe, two ends of the corrugated pipe are fixedly connected with the bottom surface of the valve cover and the bottom of the valve core valve rod respectively, the pressure adjusting disc is in threaded.
As a still further scheme of the invention: the top end of the valve core valve rod penetrates through the spring gland to be arranged, and a bearing is arranged between the valve core valve rod and the spring gland.
As a still further scheme of the invention: and a dustproof sealing ring is arranged at the position where the top surface of the valve cover is connected with the valve core and the valve rod.
As a still further scheme of the invention: the valve cover and the valve body are fixed in a threaded fit mode through a double-end stud and a nut.
As a still further scheme of the invention: and fluorine lining layers are arranged on the inner walls of the valve body and the upper membrane cover.
As a still further scheme of the invention: the upper membrane cover and the lower membrane cover are connected through a locking screw.
As a still further scheme of the invention: the valve body is connected with the upper membrane cover through a locking screw.
As a still further scheme of the invention: the projection area of the corrugated pipe in the vertical direction is consistent with the projection area of the valve seat in the vertical direction.
As a still further scheme of the invention: a method for adjusting a balanced fluorine-lined self-operated adjusting valve comprises the following specific steps: set up one side below the valve body with hydraulic actuator, the valve body back pressure gets into by the compound diaphragm of rubber and go up the membrane lid die cavity that the membrane lid formed in, gets pressure in forming, simultaneously, at case valve rod upside installation bellows, makes the size of bellows along with disk seat size change, can effectively balance the pressure before the valve for the case valve rod can not take place the shake when pressure changes before the valve, and medium and external isolated before the valve prevents the leak protection.
As a still further scheme of the invention: inside being provided with flow sensor two at the delivery port of valve body 4, inside being provided with flow sensor one at the water inlet of valve body 4, flow sensor one all connects the server with flow sensor two, flow sensor is one and is gathered valve body 4 inflow end flow LT1 regularly, flow sensor two is gathered valve body 4 outflow end flow LT2 regularly, and T represents the moment of gathering, still is provided with the data analysis unit on the valve body 4, the data analysis unit is used for analyzing the flow that flow sensor one gathered with flow sensor two, and concrete analytic process is:
s1: setting the coefficient of the medium corresponding to the medium flowing through the valve body 4 as mu;
s2: carrying out normalization processing on the water inlet end flow LT1, the water outlet end flow LT2 and the medium coefficient GI, taking the numerical values, and substituting the numerical values into a formula: obtaining an abnormal value YH of the valve body;
s3: setting an abnormal threshold YB corresponding to a medium flowing through the valve body 4, generating an abnormal signal when YH is larger than YB, marking the valve body 4 as an abnormal valve, and feeding back the abnormal value and the abnormal signal to a server by a data analysis unit;
a signal processing unit is arranged in the server and used for processing the abnormal signals, and the signal processing unit controls the hydraulic actuating mechanism to close the abnormal valve;
processing the abnormal value, wherein the processing steps are as follows:
k1: setting display exception icons comprising red, yellow and blue, wherein each color corresponds to a numerical range, the numerical range corresponding to blue [ a1, a 2], the numerical range corresponding to yellow [ a2, a3) and the numerical range corresponding to red [ a3, a4), a1< a2< a3< a 4;
k2: when YH ∈ [ a1, a2), generating a blue icon; when YH ∈ [ a2, a3), a yellow icon is generated; when YH ∈ [ a3, a4), a red icon is generated;
k3: when a blue icon is generated, acquiring identity information of a maintenance worker, wherein the identity information comprises a mobile phone number, a working age GL and a real-time position RT, and calculating the distance between the real-time position RT of the maintenance worker and the position of an abnormal valve to obtain a distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: obtaining a maintenance value of a maintenance worker, and sending the blue icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
k4: when a yellow icon is generated, calculating the distance between the real-time position RT of a maintenance worker and the position of the abnormal valve to obtain a distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: obtaining a maintenance value of a maintenance worker, and sending the yellow icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
k5: when the red icon is generated, calculating the distance between the real-time position RT of a maintenance worker and the position of the abnormal valve to obtain the distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: and E =, obtaining a maintenance value of a maintenance worker, and sending the red icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the hydraulic actuating mechanism is arranged at one side below the valve body, and the rear pressure of the valve body enters an upper film cover die cavity formed by the rubber composite film and the upper film cover to form internal pressure tapping;
2. according to the invention, the corrugated pipe is arranged on the upper side of the valve core valve rod, so that the size of the corrugated pipe changes along with the size of the valve seat, the pressure before the valve can be effectively balanced, the valve core valve rod cannot shake when the pressure before the valve changes, the medium before the valve is isolated from the outside, and the leakage is prevented;
3. the valve body of the invention abandons the traditional stuffing box structure, so that the friction force of the valve core and the valve rod is small, the control precision is high and can reach 5 percent;
4. according to the invention, the first flow sensor and the second flow sensor are arranged at the water inlet and the water outlet of the valve body, the data collected by the first flow sensor and the second flow sensor are fed back to the server, the real-time use state of the valve body is judged by the data analysis unit according to the data of different media flowing through the valve body, the valve body is marked, the abnormal condition of the valve body is fed back to the server in real time, and the valve body information, the real-time position information of maintenance personnel and the working age information are processed by the distribution unit of the server to obtain the optimal processing personnel of the abnormal valve, so that the safety of the valve body in the use process is ensured.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a balanced fluorine-lined self-operated regulating valve.
In the figure: 1. a lower film cover; 2. a rubber composite membrane; 3. covering with a film; 4. a valve body; 5. a valve core and a valve rod; 6. a bellows; 7. a valve cover; 8. a nut; 9. a stud; 10. a pressure regulating disk; 11. adjusting the spring; 12. a dustproof sealing ring; 13. a spring gland; 14. and a bearing.
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.
Referring to fig. 1, in the embodiment of the present invention, a balanced fluorine-lined self-operated regulating valve includes a lower membrane cover 1, a rubber composite membrane 2, an upper membrane cover 3, a valve body 4, a valve core and valve rod 5, a bellows 6, a valve cover 7, a nut 8, a stud 9, a pressure regulating disc 10, a regulating spring 11, a dust-proof sealing ring 12, a spring gland 13 and a bearing 14, a left side pipe orifice of the valve body 4 is a water outlet, a right side pipe orifice of the valve body 4 is a water inlet, an upper end pipe orifice of the valve body 4 is connected with the valve cover 7, a lower end pipe orifice of the valve body 4 is connected with the upper membrane cover 3, a lower membrane cover 1 is disposed on a bottom surface of the upper membrane cover 3, the rubber composite membrane 2 is disposed between the lower membrane cover 1 and the upper membrane cover 3, an upper membrane cover cavity is formed between the rubber composite membrane 2 and the upper membrane cover 3, and, the hydraulic actuating mechanism is arranged on one side below the valve body 4, and the rear pressure of the valve body enters an upper film cover die cavity formed by the rubber composite film 2 and the upper film cover 3 to form internal pressure taking.
The anti-leakage valve is characterized in that a valve core valve rod 5 is vertically arranged on the valve cover 7, the bottom end of the valve core valve rod 5 penetrates through the valve cover 7 and is arranged above the valve seat, the bottom end of the valve core valve rod 5 is matched with the valve seat, the bottom of the valve core valve rod 5 is connected with a corrugated pipe 6, two ends of the corrugated pipe 6 are fixedly connected with the bottom surface of the valve cover 7 and the bottom of the valve core valve rod 5 respectively, the corrugated pipe 6 is installed on the upper side of the valve core valve rod 5, the size of the corrugated pipe 6 is changed along with the size of the valve seat, the pre-valve pressure can be effectively balanced, the valve core valve rod 5 cannot.
The pressure adjusting disk 10 is in threaded connection with the external thread of the valve cover 7, and an adjusting spring 11 is arranged between the pressure adjusting disk 10 and the spring gland 13.
The top end of the valve core valve rod 5 penetrates through the spring gland 13 to be arranged, and a bearing 14 is arranged between the valve core valve rod 5 and the spring gland 13, so that the valve core valve rod 5 can move on the spring gland 13 more smoothly.
And a dustproof sealing ring 12 is arranged at the position where the top surface of the valve cover 7 is connected with the valve core and the valve rod 5, so that the valve body 4 is protected from dust.
The valve cover 7 and the valve body 4 are fixed in a threaded fit mode through the stud 9 and the nut 8, and therefore the valve cover 7 and the valve body 4 are connected more tightly.
The inner walls of the valve body 4 and the upper membrane cover 3 are provided with fluorine lining layers, so that the corrosion inside the valve body 4 is effectively prevented, and the valve body 4 is effectively protected.
The upper film cover 3 is connected with the lower film cover 1 through a locking screw, so that the upper film cover and the lower film cover are convenient to disassemble and assemble.
The valve body 4 is connected with the upper membrane cover 3 through a locking screw, so that the valve body is convenient to disassemble and assemble.
The projection area of the bellows 6 in the vertical direction is consistent with the projection area of the valve seat in the vertical direction.
The method for adjusting the balanced fluorine-lined self-operated adjusting valve comprises the following specific steps: set up one side below valve body 4 with hydraulic actuator, the pressure gets into by the compound diaphragm of rubber 2 and the last membrane lid die cavity that 3 formed behind the valve body, gets pressure in forming, simultaneously, at 5 upside installation bellows 6 of case valve rod, makes the size of bellows 6 change along with the disk seat size, can effectively balance the pressure before the valve for case valve rod 5 can not take place the shake when the pressure changes before the valve, and the medium is isolated with external before the valve, prevents the leak protection.
Inside being provided with flow sensor two at the delivery port of valve body 4, inside being provided with flow sensor one at the water inlet of valve body 4, flow sensor one all connects the server with flow sensor two, flow sensor is one and is gathered valve body 4 inflow end flow LT1 regularly, flow sensor two is gathered valve body 4 outflow end flow LT2 regularly, and T represents the moment of gathering, still is provided with the data analysis unit on the valve body 4, the data analysis unit is used for analyzing the flow that flow sensor one gathered with flow sensor two, and concrete analytic process is:
s1: setting the medium coefficient corresponding to the medium flowing through the valve body 4 as mu, wherein the medium comprises water and corrosive solution, the medium coefficient mu of the water is (0-1), and the medium coefficient of the corrosive solution is mu, (1-2);
preferably; when the medium flowing through the valve body is water, the medium coefficient mu of the water is 0.5, and when the medium flowing through the valve body is corrosive solution, the medium coefficient of the corrosive solution is 1.5;
s2: carrying out normalization processing on the water inlet end flow LT1, the water outlet end flow LT2 and the medium coefficient GI, taking the numerical values, and substituting the numerical values into a formula: obtaining an abnormal value YH of the valve body;
s3: setting an abnormal threshold YB corresponding to a medium flowing through the valve body 4, generating an abnormal signal when YH is larger than YB, marking the valve body 4 as an abnormal valve, and feeding back the abnormal value and the abnormal signal to a server by a data analysis unit;
a signal processing unit is arranged in the server and used for processing the abnormal signals, and the signal processing unit controls the hydraulic actuating mechanism to close the abnormal valve;
processing the abnormal value, wherein the processing steps are as follows:
k1: setting display exception icons comprising red, yellow and blue, wherein each color corresponds to a numerical range, the numerical range corresponding to blue [ a1, a 2], the numerical range corresponding to yellow [ a2, a3) and the numerical range corresponding to red [ a3, a4), a1< a2< a3< a 4;
k2: when YH ∈ [ a1, a2), generating a blue icon; when YH ∈ [ a2, a3), a yellow icon is generated; when YH ∈ [ a3, a4), a red icon is generated;
k3: when a blue icon is generated, acquiring identity information of a maintenance worker, wherein the identity information comprises a mobile phone number, a working age GL and a real-time position RT, and calculating the distance between the real-time position RT of the maintenance worker and the position of an abnormal valve to obtain a distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: obtaining a maintenance value of a maintenance worker, and sending the blue icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
preferably, when the maintenance personnel receive the blue icon and the abnormal signal of the abnormal valve, the maintenance personnel need to reach the position of the abnormal valve for maintenance within 2-3 hours;
k4: when a yellow icon is generated, calculating the distance between the real-time position RT of a maintenance worker and the position of the abnormal valve to obtain a distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: obtaining a maintenance value of a maintenance worker, and sending the yellow icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
preferably, when the maintenance personnel receive the yellow icon and the abnormal signal of the abnormal valve, the maintenance personnel need to reach the position of the abnormal valve for maintenance within 1-2 hours;
k5: when the red icon is generated, calculating the distance between the real-time position RT of a maintenance worker and the position of the abnormal valve to obtain the distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: e =, obtaining a maintenance value of a maintenance worker, and sending the red icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
preferably, when the maintenance personnel receive the blue icon and the abnormal signal of the abnormal valve, the maintenance personnel need to reach the position of the abnormal valve within 1 hour for maintenance.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A balanced type fluorine-lined self-operated regulating valve is characterized in that: comprises a lower membrane cover (1), a rubber composite membrane (2), an upper membrane cover (3), a valve body (4), a valve core valve rod (5), a corrugated pipe (6), a valve cover (7), a nut (8), a stud (9), a pressure adjusting disc (10), an adjusting spring (11), a dustproof sealing ring (12), a spring gland (13) and a bearing (14), wherein the left side pipe orifice of the valve body (4) is a water outlet, the right side pipe orifice of the valve body (4) is a water inlet, the upper end pipe orifice of the valve body (4) is connected with the valve cover (7), the lower end pipe orifice of the valve body (4) is connected with the upper membrane cover (3), the bottom surface of the upper membrane cover (3) is provided with the lower membrane cover (1), the rubber composite membrane (2) is arranged between the lower membrane cover (1) and the upper membrane cover (3), and an upper membrane cover cavity is formed between the rubber composite membrane (2) and the upper, a hydraulic actuating mechanism is externally connected to the lower membrane cover (1);
the valve core is characterized in that a valve core valve rod (5) is vertically arranged on the valve cover (7), the bottom end of the valve core valve rod (5) penetrates through the valve cover (7) and is arranged above the valve seat, the bottom end of the valve core valve rod (5) is matched with the valve seat, the bottom of the valve core valve rod (5) is connected with a corrugated pipe (6), two ends of the corrugated pipe (6) are fixedly connected with the bottom surface of the valve cover (7) and the bottom of the valve core valve rod (5) respectively, a pressure adjusting disc (10) is in threaded connection with an external thread of the valve cover (7), and an adjusting spring (11) is arranged between the pressure adjusting disc (10) and a spring.
2. The balanced fluorine-lined self-operated regulating valve according to claim 1, wherein the top end of the valve core valve rod (5) is arranged through a spring gland (13), and a bearing (14) is arranged between the valve core valve rod (5) and the spring gland (13).
3. The balanced fluorine-lined self-operated regulating valve according to claim 1, wherein a dustproof sealing ring (12) is arranged at the position where the top surface of the valve cover (7) is connected with the valve core and the valve rod (5).
4. The balanced fluorine-lined self-operated regulating valve according to claim 1, wherein the valve cover (7) and the valve body (4) are fixed by threaded fit of a stud (9) and a nut (8).
5. The balance type fluorine-lined self-operated regulating valve according to claim 1, wherein the inner walls of the valve body (4) and the upper membrane cover (3) are provided with fluorine-lined layers.
6. The balanced fluorine-lined self-operated regulating valve according to claim 1, wherein the upper membrane cover (3) and the lower membrane cover (1) are connected through locking screws.
7. The balanced fluorine-lined self-operated regulating valve according to claim 1, wherein the valve body (4) is connected with the upper membrane cover (3) through a locking screw.
8. The balanced fluorine-lined self-operated regulating valve according to claim 1, wherein the projected area of the corrugated pipe (6) in the vertical direction is consistent with the projected area of the valve seat in the vertical direction.
9. A method for adjusting a balanced fluorine-lined self-operated regulating valve according to any one of claims 1 to 8, which comprises the following steps: set up one side below valve body (4) with hydraulic actuator, pressure gets into in the last membrane lid die cavity that is formed by rubber composite membrane (2) and last membrane lid (3) behind the valve body, get pressure in forming, simultaneously, at case valve rod (5) upside installation bellows (6), make the size of bellows (6) along with disk seat size change, pressure before the effective balance valve, case valve rod (5) can not take place the shake when making pressure change before the valve, medium and external isolated before the valve, prevent the leak protection.
10. The adjusting method of the balanced type fluorine-lined self-operated adjusting valve according to claim 9, wherein a second flow sensor is arranged inside a water outlet of the valve body (4), a first flow sensor is arranged inside a water inlet of the valve body (4), the first flow sensor and the second flow sensor are both connected with a server, the first flow sensor is used for acquiring a flow LT1 at a water inlet end of the valve body (4) at a fixed time, the second flow sensor is used for acquiring a flow LT2 at a water outlet end of the valve body (4) at a fixed time, T represents the acquisition time, and a data analysis unit is further arranged on the valve body (4) and is used for analyzing the flow acquired by the first flow sensor and the second flow sensor, and the specific analysis process is as follows:
s1: setting the coefficient of the medium corresponding to the medium flowing through the valve body (4) to be mu;
s2: carrying out normalization processing on the water inlet end flow LT1, the water outlet end flow LT2 and the medium coefficient GI, taking the numerical values, and substituting the numerical values into a formula: obtaining an abnormal value YH of the valve body;
s3: setting an abnormal threshold YB corresponding to a medium flowing through the valve body (4), generating an abnormal signal when YH is larger than YB, marking the valve body (4) as an abnormal valve, and feeding back the abnormal value and the abnormal signal to a server by a data analysis unit;
a signal processing unit is arranged in the server and used for processing the abnormal signals, and the signal processing unit controls the hydraulic actuating mechanism to close the abnormal valve;
processing the abnormal value, wherein the processing steps are as follows:
k1: setting display exception icons comprising red, yellow and blue, wherein each color corresponds to a numerical range, the numerical range corresponding to blue [ a1, a 2], the numerical range corresponding to yellow [ a2, a3) and the numerical range corresponding to red [ a3, a4), a1< a2< a3< a 4;
k2: when YH ∈ [ a1, a2), generating a blue icon; when YH ∈ [ a2, a3), a yellow icon is generated; when YH ∈ [ a3, a4), a red icon is generated;
k3: when a blue icon is generated, acquiring identity information of a maintenance worker, wherein the identity information comprises a mobile phone number, a working age GL and a real-time position RT, and calculating the distance between the real-time position RT of the maintenance worker and the position of an abnormal valve to obtain a distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: obtaining a maintenance value of a maintenance worker, and sending the blue icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
k4: when a yellow icon is generated, calculating the distance between the real-time position RT of a maintenance worker and the position of the abnormal valve to obtain a distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: obtaining a maintenance value of a maintenance worker, and sending the yellow icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value;
k5: when the red icon is generated, calculating the distance between the real-time position RT of a maintenance worker and the position of the abnormal valve to obtain the distance VN; normalizing the working age GL and the distance VN, taking the numerical values, and substituting the numerical values into a formula: and E =, obtaining a maintenance value of a maintenance worker, and sending the red icon and the abnormal signal of the abnormal valve to a mobile phone terminal of the maintenance worker with the largest maintenance value.
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| CN202110319044.0A CN112943995A (en) | 2021-03-25 | 2021-03-25 | Balanced type fluorine-lined self-operated regulating valve and regulating method thereof |
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| JPS56131874A (en) * | 1980-03-18 | 1981-10-15 | Osaka Gas Co Ltd | Self-operated pressure regulator for pressure reducing valve |
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| CN204942556U (en) * | 2015-09-10 | 2016-01-06 | 浙江贝尔控制阀门有限公司 | Bellows lining fluorine modulating valve |
| CN105673903A (en) * | 2016-04-18 | 2016-06-15 | 黄幼华 | Self-operated balance valve |
| CN205938034U (en) * | 2016-07-19 | 2017-02-08 | 浙江永盛科技股份有限公司 | Formula of relying on oneself bellows governing valve |
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| JPS56131874A (en) * | 1980-03-18 | 1981-10-15 | Osaka Gas Co Ltd | Self-operated pressure regulator for pressure reducing valve |
| CN200949690Y (en) * | 2006-09-05 | 2007-09-19 | 浙江派沃自控仪表有限公司 | Self-forcing corrosion resistant pressure regulating valve |
| CN204004717U (en) * | 2014-08-18 | 2014-12-10 | 浙江金锋自动化仪表有限公司 | Worst hot case uses self-contained pressure regulator |
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