CN203671003U - Inner-screen outward-radiating heat insulation device of high-temperature-resistant high-pressure-resistant electromagnetic stop valve - Google Patents
Inner-screen outward-radiating heat insulation device of high-temperature-resistant high-pressure-resistant electromagnetic stop valve Download PDFInfo
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- CN203671003U CN203671003U CN201320863034.4U CN201320863034U CN203671003U CN 203671003 U CN203671003 U CN 203671003U CN 201320863034 U CN201320863034 U CN 201320863034U CN 203671003 U CN203671003 U CN 203671003U
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Abstract
An inner-screen outward-radiating heat insulation device of a high-temperature-resistant high-pressure-resistant electromagnetic stop valve comprises a guide body, a valve sleeve, a coil outer shell, a non-magnetic pipe, a coil assembly, a valve rod, a movable magnet and a heat insulation sleeve, wherein the lower end face of the valve sleeve is provided with a guide body groove, the upper end of the valve sleeve is provided with a non-magnetic pipe insertion hole with internal threads, the center of the valve sleeve is provided with a heat insulation sleeve through hole, the heat insulation sleeve is arranged in the heat insulation sleeve through hole, the heat insulation sleeve is provided with a first valve rod through hole, the guide body is provided with a second valve rod through hole, the guide body is arranged in the guide body groove, the valve rod is arranged in the first valve rod through hole and the second valve rod through hole, the coil outer shell is arranged at the upper end of the valve sleeve, and the coil outer shell is connected with the valve sleeve through the threads. The non-magnetic pipe is arranged in an inner cavity of the coil outer shell, the lower end of the non-magnetic pipe is connected with the non-magnetic pipe insertion hole in the upper end of the valve sleeve through the threads, and the movable magnet is arranged in the non-magnetic pipe. The radiating area of the inner-screen outward-radiating heat insulation device is large, the radiating effect is good, the heat insulation function is strong, and safety and reliability of the whole electromagnetic stop valve can be improved.
Description
Technical field
The utility model relates to a kind of valve, particularly relates to a kind of electromagnetic driven stop valve, is widely used in the technical fields such as nuclear power field, petrochemical industry and metallurgy.This valve high temperature high voltage resistant, can improve the safety and reliability energy of whole electromagnetic driven stop valve.
Background technique
Volume is little, lightweight is two very important advantages of electromagnetic driven stop valve, therefore this product is widely used in the field pipe-line systems such as nuclear power field, petrochemical industry and metallurgy and control system, also be the important pipeline fittings in these systems, with connection, blocking-up or the commutation of its pilot line medium.
Electromagnetic driven stop valve, compared with other classification valve, is characterized in that this product comprises machinery valve part, comprise again Electromagnetic Drive part, and both can not separate.In above-mentioned application, High Temperature High Pressure pipeline ambient condition is a lot, and the High Temperature High Pressure occasion maximum temperature that electromagnetic driven stop valve uses at present reaches 360 ℃, and pressure is up to 17.2MPa.The electro insulating material (as enameled cable, insulated paint, Kapton etc.) that current domestic electromagnetic driven stop valve uses, its temperature resistant capability can only guarantee to use at 220 ℃ long-term, obviously can not meet the long-term requirement using under 360 ℃ of conditions.
In theory, utilize the distance strengthening between electromagnetic actuator device and main valve to address the above problem, but along with the raising of scientific and technological development and modernization level of control, a lot of systems have adopted modular design (as the related system of CAP1400 nuclear power generating sets), this Design Mode requires very strict to the volume and weight of electromagnetic driven stop valve, the system that is required to meet is used and controls function, require again miniaturization, above-mentioned contradiction has proposed a very large technical barrier aspect heat insulation to electromagnetic driven stop valve resistance is warm, therefore work out a kind of science, rationally, heat-insulating technique is applied in electromagnetic driven stop valve reliably, guarantee the miniaturization of electromagnetic driven stop valve, guarantee that again it normally uses for a long time and works under high-temperature and high-pressure conditions, the above-mentioned contradiction of effective solution is very important.
Model utility content
The purpose of this utility model, is to provide the outer loose heat-proof device of screen in a kind of high temperature high voltage resistant electromagnetic driven stop valve.The utility model is not changing in little, the lightweight situation of traditional electromagnetic driven stop valve volume; high-temperature high-pressure medium temperature in utilization in the screen effective blocking-up of outer loose formula heat-insulating technique and isolated system pipeline is uploaded; injury-free with protection electromagnetic actuator device, keep its intrinsic function and characteristic.
The technological scheme adopting is:
In a kind of high temperature high voltage resistant electromagnetic driven stop valve, the outer loose heat-proof device of screen, comprises guide way, valve pocket, coil case body, non-magnetic tube, coil block, valve rod, moving magnet and collet, it is characterized in that:
On valve pocket lower end surface, offer guide way groove, valve pocket upper end offers tapped non-magnetic tube jack, and valve pocket center offers collet through hole.Collet is installed in collet through hole, and collet has the first stem through-hole, has second valve rod through-hole on guide way, and guide way is installed in guide way groove, and valve rod packs in the first stem through-hole and second valve rod through-hole.Coil case body is installed in the upper end of valve pocket, and coil case body is connected with valve pocket with screw thread.
Non-magnetic tube is installed in the inner chamber of coil case body, and the lower end of non-magnetic tube is connected with the non-magnetic tube jack of valve pocket upper end with screw thread, and moving magnet is installed in non-magnetic tube, and coil groups is sleeved on non-magnetic tube, and is positioned at the coil chamber of coil case body.
Between coil case body and valve pocket, be provided with heat insulating washer, on the diapire of coil chamber, be equiped with lower liner.
On the outer wall of collet, offer multiple maze troughs.On guide way, offer multiple pod apertures.Three guiding gutters on moving iron core.
The outer surface of valve pocket is connected with multiple radiating fin, on coil case body with multiple radiating fin, electromagnetic coil forms around arriving glass fibre reinforced plastics skeleton with polyimide circle copper enameled cable, through twice vacuum pressed dipping lacquer with after drying, be placed in coil case body inside, and separate with thermal insulating pad between coil case body, leave 3mm gap simultaneously and between non-magnetic tube, play effective heat-blocking action.
Guide way is selected stainless steel manufacturing; Valve pocket, non-magnetic tube are selected the manufacturing of high strength heat resistant stainless steel; Collet is selected Austenitic Stainless Steel manufacturing; Moving iron core, coil case body are selected accurate magnetically soft alloy material manufacturing; Coil block is selected QY-2 circle copper enameled cable; Thermal insulating pad is selected heatproof and the good silicone rubber of radiation-resistant property.
Collet is placed between guide way and moving iron core, and directly machining forms, and its outer surface is processed with several maze troughs, and this part mainly plays heat-blocking action.
Moving iron core is placed in non-magnetic tube, machining after annealing heat treatment.The object of annealing in process is in order to make it have stable magnetic property.
Valve pocket and non-magnetic tube, after machining, first guarantee its bearing strength with being threaded, then use
Argon arc seal weld welding, guarantees sealing.The outer surface of valve pocket is processed with several radiating fin, to increase radiating effect.
Machining shaping juxtaposition is above valve pocket after annealing in process for coil case, and centre separates with thermal insulating pad, and thermal insulating pad has reduced the speed that metal upwards conducts heat.
Design philosophy of the present utility model:
In the moving stop valve of High Temperature High Pressure electromagnetism, the outer loose formula insulation system of screen adopts " interior screen is loose " structure technology outward.
" interior screen " is intended to stop the heat of medium to upload, between the inner valve pocket of electromagnetic driven stop valve pressure-bearing shell and valve body, increase guide way, on guide way, only leave valve rod penetration hole and in very little pod apertures, between valve rod penetration hole and valve rod, only there is very little gap, effectively stoped high temperature media upper reaches; Between the guide way of pressure-bearing shell inside and moving iron core, increase collet, on collet, be processed with several maze troughs, effectively shielded uploading of high temperature media temperature; On moving iron core, be only processed with three very little guiding gutters, effectively stop heat to be uploaded; Between valve pocket and shell and between shell and coil block, be provided with thermal insulating pad, weakening the ability of metal heat-conducting, uploading thereby reduce heat; Between non-magnetic tube and coil block, leave the gap of 3mm, prevent that the heat in pressure-bearing shell from directly importing coil into;
" loose outward " is intended to the heat of having uploaded to dissipate to greatest extent.At the outer surface of valve pocket, be processed with several radiating fin, to strengthen heat diffusion area; On coil case, be also processed with twenties radiating fin, to increase radiating effect.
material is selected
Guide way is selected stainless steel manufacturing;
Valve pocket, non-magnetic tube are selected the manufacturing of high strength heat resistant stainless steel;
Collet is selected Austenitic Stainless Steel manufacturing;
Moving iron core, shell are selected accurate magnetically soft alloy material manufacturing;
Coil block is selected QY-2 circle copper enameled cable;
The good silicone rubber of thermal insulating pad heatproof and radiation-resistant property.
main technique
Guide way is placed between valve body and valve pocket, roughing after-baking, and then fine finishing.Heat treated object is in order to form certain hardness, harmless when guaranteeing stem movement to lead
Wound.
Collet is placed between guide way and moving iron core, and directly machining forms, and its outer surface is processed with several maze troughs, and this part mainly plays heat-blocking action.
Moving iron core is placed in non-magnetic tube, machining after annealing heat treatment.The object of annealing in process is in order to make it have stable magnetic property.
Valve pocket and non-magnetic tube, after machining, first guarantee its bearing strength, then with argon arc seal weld welding, guarantee sealing with being threaded.The outer surface of valve pocket is processed with several radiating fin, to increase radiating effect.
Machining shaping juxtaposition is above valve pocket after annealing in process for coil case, and centre separates with thermal insulating pad, and thermal insulating pad effectively reduces the speed that metal upwards conducts heat.
Electromagnetic coil,, is placed in enclosure, and separates with thermal insulating pad between shell through twice vacuum pressed dipping lacquer with after drying around after glass fibre reinforced plastics skeleton with polyimide circle copper enameled cable, leaves 3mm gap simultaneously and between non-magnetic tube, plays effective heat-blocking action.
major advantage of the present utility model
multi-level heat-insulating technique:
In the moving stop valve of a kind of High Temperature High Pressure electromagnetism, the outer loose formula insulation system of screen has adopted multi-level heat-insulating technique; first effectively intercepting high temperature media with metalwork guide way flows to coil aspect; effectively stop medium temperature to be uploaded with labyrinth structure again; then transmit by the gap trap heat between non-magnetic tube and coil block; finally stop pipeline medium temperature to be uploaded with nonmetal thermal insulating pad; heat is delivered to coil by the high temperature media that above-mentioned heat insulation measures can effectively cut off in main valve pipeline; can successfully protect electromagnetic coil, make electromagnetic coil keep its inherent function and characteristic.Ripe checking and usage data show, the temperature that the high temperature media of 360 ℃ uploads to coil is no more than 80 ℃, and its effect is fairly obvious.
comprehensive heat dissipation technology:
The outer loose all outer drain surfaces of formula insulation system of screen in the moving stop valve of High Temperature High Pressure electromagnetism; comprise that valve pocket outer surface, outer surface of outer cover are all processed with multiple tracks radiating fin; strengthen surface radiating area, the heat of uploading has on a small quantity been dissipated very soon, thereby effectively protected electromagnetic coil.
integrated with electromagnetic driven stop valve height, realize miniaturization target:
In the moving stop valve of High Temperature High Pressure electromagnetism, the outer loose formula insulation system of screen is passed through ingehious design, be placed between electromagnetic driving system and valve body, form the structure integrated with whole electromagnetic driven stop valve height, if by traditional design concept, utilize and strengthen between electromagnetic actuator device and main valve
Distance solves heat insulation and heat dissipation problem, and whole electromagnetic driven stop valve at least will be increased 400mm, and utilizes the outer loose formula insulation system of screen in this, only need to increase 100mm than normal temperature electromagnetic driven stop valve, has therefore realized design theory and the target of miniaturization.
Description of drawings 1 is structural representation of the present utility model.
Embodiment
In a kind of high temperature high voltage resistant electromagnetic driven stop valve, the outer loose heat-proof device of screen, comprises guide way 1, valve pocket 2, coil case body 6, non-magnetic tube 7, coil block 8, valve rod 11, moving magnet 4 and collet 12, it is characterized in that:
Valve pocket offers guide way groove 13 on 2 lower end surfaces, and valve pocket 2 upper ends offer tapped non-magnetic tube jack 14, and valve pocket 2 centers offer collet through hole 15.Collet 12 is installed in collet through hole 15, and collet 12 has the first stem through-hole 16, has second valve rod through-hole 17 on guide way 1, and guide way 1 is installed in guide way groove 13, and valve rod 11 packs in the first stem through-hole 16 and second valve rod through-hole 17.Coil case body 6 is installed in the upper end of valve pocket 2, and coil case body 6 is connected with valve pocket 2 with screw thread.
Between coil case body 6 and valve pocket 2, be provided with thermal insulating pad 10, on the diapire of coil chamber 19, be equiped with lower liner 9.
On the outer wall of collet 12, offer multiple maze troughs 20.On guide way 1, offer multiple pod apertures 21.On moving iron core, there are three guiding gutters 5.
The outer surface of valve pocket 2 is connected with multiple radiating fin 22, on coil case body 6 with multiple radiating fin, coil block 8 use polyimide circle copper enameled cables are around forming to glass fibre reinforced plastics skeleton, through twice vacuum pressed dipping lacquer with after drying, be placed in coil case body 6 inside, and separate with thermal insulating pad 10 between coil case body 6, leave 3mm gap simultaneously and between non-magnetic tube 7, play effective heat-blocking action.
Moving iron core is placed in non-magnetic tube 7, machining after annealing heat treatment.The object of annealing in process is in order to make it have stable magnetic property.
Machining shaping juxtaposition is above valve pocket 2 after annealing in process for coil case body 6, and centre separates with thermal insulating pad 10, and thermal insulating pad 10 has reduced the speed that metal upwards conducts heat.
Claims (4)
1. the outer loose heat-proof device of screen in a high temperature high voltage resistant electromagnetic driven stop valve, comprise guide way (1), valve pocket (2), coil case body (6), non-magnetic tube (7), coil block (8), valve rod (11), moving magnet (4) and collet (12), it is characterized in that:
Valve pocket (2) offers guide way groove (13) on lower end surface, and valve pocket (2) upper end offers tapped non-magnetic tube jack (14), and valve pocket (2) center offers collet through hole (15); Collet (12) is installed in collet through hole (15); collet (12) has the first stem through-hole (16); on guide way (1), there is second valve rod through-hole (17); guide way (1) is installed in guide way groove (13), and valve rod (11) packs in the first stem through-hole (16) and second valve rod through-hole (17); Coil case body (6) is installed in the upper end of valve pocket (2), and coil case body (6) is connected with valve pocket (2) with screw thread;
It is inner that non-magnetic tube (7) is installed in the inner chamber (18) of coil case body (6), the lower end of non-magnetic tube (7) is connected with the non-magnetic tube jack (14) of valve pocket (2) upper end with screw thread, moving magnet (4) is installed in non-magnetic tube (7), it is upper that coil block (8) is sleeved on non-magnetic tube (7), and be positioned at the coil chamber (19) of coil case body (6).
2. the outer loose heat-proof device of screen in a kind of high temperature high voltage resistant electromagnetic driven stop valve according to claim 1, it is characterized in that: between coil case body (6) and valve pocket (2), be provided with thermal insulating pad (10), on the diapire of coil chamber (19), be equiped with lower liner (9).
3. the outer loose heat-proof device of screen in a kind of high temperature high voltage resistant electromagnetic driven stop valve according to claim 1, is characterized in that: on the outer wall of collet (12), offer multiple maze troughs (20); On guide way (1), offer multiple pod apertures (21); On moving iron core, there are three guiding gutters.
4. the outer loose heat-proof device of screen in a kind of high temperature high voltage resistant electromagnetic driven stop valve according to claim 1, it is characterized in that: the outer surface of valve pocket (2) is connected with multiple radiating fin (22), coil case body (6) is upper with multiple radiating fin, coil block (8) forms around arriving glass fibre reinforced plastics skeleton with polyimide circle copper enameled cable, through twice vacuum pressed dipping lacquer with after drying, be placed in coil case body (6) inside, and separate with thermal insulating pad (10) between coil case body (6), leave 3mm gap simultaneously and between non-magnetic tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863034.4U CN203671003U (en) | 2013-12-26 | 2013-12-26 | Inner-screen outward-radiating heat insulation device of high-temperature-resistant high-pressure-resistant electromagnetic stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863034.4U CN203671003U (en) | 2013-12-26 | 2013-12-26 | Inner-screen outward-radiating heat insulation device of high-temperature-resistant high-pressure-resistant electromagnetic stop valve |
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| Publication Number | Publication Date |
|---|---|
| CN203671003U true CN203671003U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320863034.4U Expired - Fee Related CN203671003U (en) | 2013-12-26 | 2013-12-26 | Inner-screen outward-radiating heat insulation device of high-temperature-resistant high-pressure-resistant electromagnetic stop valve |
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| CN (1) | CN203671003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759066A (en) * | 2013-12-26 | 2014-04-30 | 鞍山电磁阀有限责任公司 | High temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device |
| CN106164555A (en) * | 2014-10-29 | 2016-11-23 | 株式会社富士金 | Fluid control heater and fluid control device |
-
2013
- 2013-12-26 CN CN201320863034.4U patent/CN203671003U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759066A (en) * | 2013-12-26 | 2014-04-30 | 鞍山电磁阀有限责任公司 | High temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device |
| CN103759066B (en) * | 2013-12-26 | 2017-02-01 | 鞍山电磁阀有限责任公司 | High temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device |
| CN106164555A (en) * | 2014-10-29 | 2016-11-23 | 株式会社富士金 | Fluid control heater and fluid control device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20171226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |