CN101893131A - Side-seam cyclone low-noise gas pressure-reducing valve - Google Patents
Side-seam cyclone low-noise gas pressure-reducing valve Download PDFInfo
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- CN101893131A CN101893131A CN 201010232920 CN201010232920A CN101893131A CN 101893131 A CN101893131 A CN 101893131A CN 201010232920 CN201010232920 CN 201010232920 CN 201010232920 A CN201010232920 A CN 201010232920A CN 101893131 A CN101893131 A CN 101893131A
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Abstract
The invention relates to the technical field of gas pressure-reducing valve equipment for an iron-making blast furnace, particularly to a side-seam cyclone low-noise gas pressure-reducing valve which comprises a valve body, a valve air inlet, a valve air outlet, an air inlet segment, a bell valve segment, a bell valve core, a valve seat device, a bell valve rod and a bell valve umbrella-shaped supporting part, wherein a group of valve rod bracket device is arranged in the air inlet segment to be in slip connection with the valve rod, a side-seam cyclone device is arranged at the outer side of the bell valve umbrella-shaped supporting part, two propelling sheave devices are arranged on a valve rod segment and respectively articulated with two shifting fork levers, the upper end of each shifting fork lever is rotationally connected with a supporting shaft, the supporting shaft is articulated with the piston rod of a hydraulic cylinder through a connecting rod, an air outlet segment is sequentially provided with a first-level pressure stabilizing and shunting device, a second-level pressure stabilizing and shunting device and a third-level pressure stabilizing and shunting device, and the side-seam cyclone device is a round pipe fitting provided with a tangential side-seam strip air inlet hole. The invention has the advantages of pressure reduction, speed reduction, noise reduction, convenient operation, maintenance and control, less abrasion and good sealing performance.
Description
Technical field
The present invention relates to the coal gas compression release valve equipment technical field that blast furnace is used, particularly a kind of side-seam cyclone low-noise gas pressure-reducing valve.
Background technique
The coal gas compression release valve that blast furnace is used is so that be for further processing with the decompression of the high pressure gas of blast furnace.Currently used φ 1990mm blast furnace coal gas pressure reducing valve mainly is made up of three DN700 and DN350 butterfly valve, and one of them DN700 butterfly valve is to regulate butterfly valve automatically, and DN350 butterfly valve and all the other DN700 butterfly valves are motor and speed reducer transmission.When being used for wet type coal gas dust removal equipment, also have honeycomb duct.The major defect of this blast furnace coal gas pressure reducing valve is: one, can send very strong noise in running, must be equipped with very strong muffling device for this reason, the price of this muffling device is up to more than 1,000,000 yuan of RMB; Two, butterfly valve can produce vibration under the impact of high pressure blast furnace gas, causes the instability of equipment operation; Three, because valve body is worn and torn by the high pressure blast furnace gas, cause reduction valve group filler place to leak easily.Therefore must put into the melting pot reduction valve group equipment on structure, reduce noise, simplified structure increases the service life.Utility model patent 200820011354.6 provides a kind of can reduce noise, simplified structure, the low-noise gas pressure-reducing valve that the blast furnace that increases the service life is used, comprise valve body, the valve body support, electric transmissio mechanism, be located at the valve suction port on the valve body, valve air gate, valve body is by the suction port supporting section on top, the clock valve body section that is connected of suction port supporting section therewith, the air outlet supporting section that is connected of clock valve body section therewith, the supporting section base section that is connected in air outlet is formed therewith, each section cavity that each section of valve body is made up of shell and inwall and the quieter material that is filled in this cavity are formed, and are provided with the clock valve core in clock valve body section, the clock valve valve rod that is connected of clock valve core therewith, clock valve valve rod is made the clock valve umbrella shape supporting element be slidingly connected therewith, and electric transmissio mechanism is connected with the clock valve core by drive link.This reduction valve fundamentally eliminated various butterfly valves intrinsic defective, be a kind ofly can reduce noise, simplified structure increases the service life, the low-noise gas pressure-reducing valve that the blast furnace that investment is low is used.Find that in real work there are some shortcomings in this reduction valve: because air communication is crossed the excessive velocities of circumferential weld, wind speed can surpass 300m/s, and the mobile sound of the wind of the air-flow of Chan Shenging can't be eliminated therefrom, and noise can be above 100 decibels; Electric transmissio mechanism is connected with the clock valve core by drive link, and drive link passes valve body, and generation between the two rubs and causes wearing and tearing, has destroyed the sealing of valve body; The structure more complicated.Therefore using effect is unsatisfactory.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can reduce noise, simplified structure, the side-seam cyclone low-noise gas pressure-reducing valve that increases the service life.
The objective of the invention is to realize by following technical proposals:
Side-seam cyclone low-noise gas pressure-reducing valve of the present invention, comprise valve body, be located at the valve suction port in this valve body, valve air gate, the suction port section, the clock valve section that is connected of suction port section therewith, the air outlet section that is connected of clock valve section therewith, in clock valve section, be provided with the clock valve core, the valve seat device, the clock valve valve rod that is connected of clock valve core therewith, clock valve valve rod is made the clock valve umbrella shape supporting element be slidingly connected therewith, it is characterized in that in described suction port section, being provided with one group of valve rod holder device and valve rod is slidingly connected, between this valve rod holder device and described valve seat device, the outside at described clock valve umbrella shape supporting element is provided with the side-seam cyclone device, on the valve rod section between this group of valve rod holder device, be provided with two propelling sheave devices, these two propelling sheave devices are hinged with the lower end of two declutch levers respectively, the upper end of these two declutch levers rotates with same shift fork back shaft and is connected, this shift fork back shaft is arranged in the support axle box that is connected with described valve body, this shift fork back shaft is hinged by the piston rod of connecting rod and oil hydraulic cylinder, this oil hydraulic cylinder is hinged with the oil hydraulic cylinder bearing that is located on the valve outer surface, be provided with one-level voltage stabilizing part flow arrangement successively in described air outlet section, secondary voltage stabilizing part flow arrangement, three grades of voltage stabilizing part flow arrangements, be provided with the frustoconic shape supporting member between described valve seat device and secondary voltage stabilizing part flow arrangement, described one-level voltage stabilizing part flow arrangement is arranged in this frustoconic shape supporting member.
Described side-seam cyclone device is the circular pipe fitting that is provided with the rectangular inlet hole of tangential latasuture.
Be provided with the valve head vernier device between described umbrella shape supporting element and the described valve rod.
Described one-level voltage stabilizing part flow arrangement, secondary voltage stabilizing part flow arrangement, three grades of voltage stabilizing part flow arrangements are the board-like voltage stabilizing shunting disk that is provided with the narrow slit vent that is arranged in parallel, the diameter of one-level voltage stabilizing part flow arrangement is less than the diameter of secondary voltage stabilizing part flow arrangement, and the diameter of secondary voltage stabilizing part flow arrangement equals the diameter of three grades of voltage stabilizing part flow arrangements.
Described drive link is provided with inspection manhole with respect to described oil hydraulic cylinder bearing one side with being located on the described valve outer surface.
Described support axle box is connected with described valve body by adpting flange.
Described valve body is one section pipe fitting in the gaspipe line.
Side-seam cyclone low-noise gas pressure-reducing valve working principle of the present invention is: the tangential latasuture rectangular inlet hole of high pressure draught outside the valve suction port enters side-seam cyclone device in the valve body and by the side-seam cyclone device enters in the latasuture cyclone device, because air-flow tangentially enters, so in cyclone device, form eddy flow, the speed and the pressure of air-flow have been reduced, calculating shows, airspeed can be reduced to 60-70m/s from 300m/s, the air-flow one-level voltage stabilizing part flow arrangement of flowing through successively more then, secondary voltage stabilizing part flow arrangement, further reduced the speed and the pressure of air-flow, airspeed can be reduced to below the 50m/s from 60-70m/s.
Advantage of the present invention is:
1) reaches decompression, deceleration, thereby reach the purpose that reduces noise;
2) valve rod drives actuator and is arranged on the valve body outside the square tube, and operation, maintenance and control are all very convenient, wearing and tearing less, good seal performance.
3) valve body is one section pipe fitting in the gaspipe line, and valve and gaspipe line form one, have reduced floor space and investment.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the side-looking partial sectional view of Fig. 1.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, side-seam cyclone low-noise gas pressure-reducing valve of the present invention, comprise valve body 1, be located at the valve suction port 13 in this valve body 1, valve air gate 21, the suction port section, the clock valve section that is connected of suction port section therewith, the air outlet section that is connected of clock valve section therewith, in clock valve section, be provided with clock valve core 18, valve seat device 17, the clock valve valve rod 14 that is connected of clock valve core 18 therewith, clock valve valve rod 14 is made the clock valve umbrella shape supporting element 16 that is slidingly connected therewith, it is characterized in that being provided with in described suction port section one group of valve rod holder device 12 is slidingly connected with clock valve valve rod 14, between this valve rod holder device 12 and described valve seat device 17, the outside at described clock valve umbrella shape supporting element 16 is provided with side-seam cyclone device 8, on the valve rod section between this group of valve rod holder device 12, be provided with two propelling sheave devices 15, these two propelling sheave devices 15 are hinged with the lower end of two declutch levers 11 respectively, as shown in Figure 2, the upper end of these two declutch levers 11 rotates with same shift fork back shaft 22 and is connected, this shift fork back shaft 22 is arranged in the support axle box 23 that is connected with described valve body 1, this shift fork back shaft 22 is hinged by the piston rod of connecting rod 9 with oil hydraulic cylinder 7, this oil hydraulic cylinder 7 is hinged with the oil hydraulic cylinder bearing 6 that is located on the valve outer surface, as shown in Figure 1, be provided with one-level voltage stabilizing part flow arrangement 5 successively in described air outlet section, secondary voltage stabilizing part flow arrangement 3, three grades of voltage stabilizing part flow arrangements 2, be provided with frustoconic shape supporting member 4 between described valve seat device 17 and secondary voltage stabilizing part flow arrangement 3, described one-level voltage stabilizing part flow arrangement 5 is arranged in this frustoconic shape supporting member 4.
Described side-seam cyclone device 8 is for being provided with the circular pipe fitting of the rectangular inlet hole of tangential latasuture.
Be provided with valve head vernier device 10 between described umbrella shape supporting element 16 and the described valve rod 14.
Described one-level voltage stabilizing part flow arrangement 5, secondary voltage stabilizing part flow arrangement 3, three grades of voltage stabilizing part flow arrangements 2 are for being provided with the board-like voltage stabilizing shunting disk of the narrow slit vent 20 that is arranged in parallel, the diameter of one-level voltage stabilizing part flow arrangement 5 is less than the diameter of secondary voltage stabilizing part flow arrangement 3, and the diameter of secondary voltage stabilizing part flow arrangement 3 equals the diameter of three grades of voltage stabilizing part flow arrangements 2.
On described valve outer surface, be provided with inspection manhole 19 with respect to described oil hydraulic cylinder bearing one side.
Described support axle box 23 is connected with described valve body 1 by adpting flange.
Described valve body 1 is one section pipe fitting in the gaspipe line.
As shown in Figure 1, form valve pocket I between one group of valve rod holder device 12, form valve pocket II between valve rod holder device 12 and the valve seat device 17, form valve pocket III between valve seat device 17 and the one-level voltage stabilizing part flow arrangement 5, form valve pocket IV between one-level voltage stabilizing part flow arrangement 5 and the secondary voltage stabilizing part flow arrangement 3, form valve pocket V between secondary voltage stabilizing part flow arrangement 3 and three grades of voltage stabilizing part flow arrangements 2, valve pocket I is connected with suction port 13, and valve pocket V is connected with air outlet 21.Two declutch levers 11 are arranged in the valve pocket I; Side-seam cyclone device 8 is arranged in the valve pocket II; Clock valve 18 is arranged in the valve pocket III.
Side-seam cyclone low-noise gas pressure-reducing valve working principle of the present invention is: outside the side-seam cyclone device 8 of high pressure draught in valve suction port 13 enters valve body 1 and the rectangular inlet hole of tangential latasuture by the side-seam cyclone device enter in the latasuture cyclone device 8, because air-flow tangentially enters, so in cyclone device, form eddy flow, the speed and the pressure of air-flow have been reduced, calculating shows, airspeed can be reduced to 60-70m/s from 300m/s, the air-flow one-level voltage stabilizing part flow arrangement of flowing through successively more then, secondary voltage stabilizing part flow arrangement, three grades of voltage stabilizing part flow arrangements 2, the speed and the pressure of air-flow have further been reduced, airspeed can be reduced to below the 50m/s from 60-70m/s, reaches decompression, the purpose of slowing down.
Valve rod of the present invention drives actuator and is arranged on the valve body outside the square tube, and operation, maintenance and control are all very convenient, wearing and tearing less, good seal performance.
Valve body of the present invention is one section pipe fitting in the gaspipe line, and valve and gaspipe line form one, have reduced floor space and investment.
Side-seam cyclone low-noise gas pressure-reducing valve of the present invention also can be used for the airflow pipeline that other need reduce pressure, and this application also belongs to claim scope of the present invention.
Claims (7)
1. side-seam cyclone low-noise gas pressure-reducing valve, comprise valve body, be located at the valve suction port in this valve body, valve air gate, the suction port section, the clock valve section that is connected of suction port section therewith, the air outlet section that is connected of clock valve section therewith, in clock valve section, be provided with the clock valve core, the valve seat device, the clock valve valve rod that is connected of clock valve core therewith, clock valve valve rod is made the clock valve umbrella shape supporting element be slidingly connected therewith, it is characterized in that in described suction port section, being provided with one group of valve rod holder device and valve rod is slidingly connected, between this valve rod holder device and described valve seat device, the outside at described clock valve umbrella shape supporting element is provided with the side-seam cyclone device, on the valve rod section between this group of valve rod holder device, be provided with two propelling sheave devices, these two propelling sheave devices are hinged with the lower end of two declutch levers respectively, the upper end of these two declutch levers rotates with same shift fork back shaft and is connected, this shift fork back shaft is arranged in the support axle box that is connected with described valve body, this shift fork back shaft is hinged by the piston rod of connecting rod and oil hydraulic cylinder, this oil hydraulic cylinder is hinged with the oil hydraulic cylinder bearing that is located on the valve outer surface, be provided with one-level voltage stabilizing part flow arrangement successively in described air outlet section, secondary voltage stabilizing part flow arrangement, three grades of voltage stabilizing part flow arrangements, be provided with the frustoconic shape supporting member between described valve seat device and secondary voltage stabilizing part flow arrangement, described one-level voltage stabilizing part flow arrangement is arranged in this frustoconic shape supporting member.
2. side-seam cyclone low-noise gas pressure-reducing valve according to claim 1 is characterized in that described side-seam cyclone device is the circular pipe fitting that is provided with the rectangular inlet hole of tangential latasuture.
3. side-seam cyclone low-noise gas pressure-reducing valve according to claim 1 is transferred the valve head device but it is characterized in that being provided with between described umbrella shape supporting element and the described valve rod fine motion.
4. side-seam cyclone low-noise gas pressure-reducing valve according to claim 1, it is characterized in that described one-level voltage stabilizing part flow arrangement, secondary voltage stabilizing part flow arrangement, three grades of voltage stabilizing part flow arrangements are the board-like voltage stabilizing shunting disk that is provided with the narrow slit vent that is arranged in parallel, the diameter of one-level voltage stabilizing part flow arrangement is less than the diameter of secondary voltage stabilizing part flow arrangement, and the diameter of secondary voltage stabilizing part flow arrangement equals the diameter of three grades of voltage stabilizing part flow arrangements.
5. side-seam cyclone low-noise gas pressure-reducing valve according to claim 1 is characterized in that described drive link and is located on the described valve outer surface being provided with inspection manhole with respect to described oil hydraulic cylinder bearing one side.
6. side-seam cyclone low-noise gas pressure-reducing valve according to claim 1 is characterized in that described support axle box is connected with described valve body by adpting flange.
7. side-seam cyclone low-noise gas pressure-reducing valve according to claim 1 is characterized in that described valve body is one section pipe fitting in the gaspipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102329208A CN101893131B (en) | 2010-07-22 | 2010-07-22 | Side-seam cyclone low-noise gas pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102329208A CN101893131B (en) | 2010-07-22 | 2010-07-22 | Side-seam cyclone low-noise gas pressure-reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893131A true CN101893131A (en) | 2010-11-24 |
| CN101893131B CN101893131B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102329208A Expired - Fee Related CN101893131B (en) | 2010-07-22 | 2010-07-22 | Side-seam cyclone low-noise gas pressure-reducing valve |
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| Country | Link |
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| CN (1) | CN101893131B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359631A (en) * | 2011-11-11 | 2012-02-22 | 石家庄石特阀门有限责任公司 | Pressure regulating valve group of pressure regulating cone valve |
| CN102506182A (en) * | 2011-11-11 | 2012-06-20 | 石家庄石特阀门有限责任公司 | Pressure regulating cone valve for pressure regulating valve group |
| CN102586521A (en) * | 2011-01-18 | 2012-07-18 | 秦皇岛秦冶重工有限公司 | Pressure reducing valve bank |
| CN108426091A (en) * | 2018-05-15 | 2018-08-21 | 鞍山亨通高炉设备工程技术有限公司 | Noise cancelling type all-closed horizontal pressure reducing valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0481573A1 (en) * | 1990-10-17 | 1992-04-22 | Horst Jäkel | Device for pressure reduction of a gaseous medium |
| US20040118462A1 (en) * | 2002-12-19 | 2004-06-24 | Baumann Hans D. | Control valve with low noise and enhanced flow characteristics |
| CN201159291Y (en) * | 2008-02-29 | 2008-12-03 | 鞍山亨通高炉设备工程技术有限公司 | Low-noise coal gas pressure regulating valve for iron-smelting blast furnace |
| CN201335185Y (en) * | 2008-12-10 | 2009-10-28 | 郑州阀门厂 | Shuttle-type gas reducing valve |
-
2010
- 2010-07-22 CN CN2010102329208A patent/CN101893131B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0481573A1 (en) * | 1990-10-17 | 1992-04-22 | Horst Jäkel | Device for pressure reduction of a gaseous medium |
| US20040118462A1 (en) * | 2002-12-19 | 2004-06-24 | Baumann Hans D. | Control valve with low noise and enhanced flow characteristics |
| CN201159291Y (en) * | 2008-02-29 | 2008-12-03 | 鞍山亨通高炉设备工程技术有限公司 | Low-noise coal gas pressure regulating valve for iron-smelting blast furnace |
| CN201335185Y (en) * | 2008-12-10 | 2009-10-28 | 郑州阀门厂 | Shuttle-type gas reducing valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586521A (en) * | 2011-01-18 | 2012-07-18 | 秦皇岛秦冶重工有限公司 | Pressure reducing valve bank |
| CN102586521B (en) * | 2011-01-18 | 2013-10-30 | 秦皇岛秦冶重工有限公司 | Pressure reducing valve bank |
| CN102359631A (en) * | 2011-11-11 | 2012-02-22 | 石家庄石特阀门有限责任公司 | Pressure regulating valve group of pressure regulating cone valve |
| CN102506182A (en) * | 2011-11-11 | 2012-06-20 | 石家庄石特阀门有限责任公司 | Pressure regulating cone valve for pressure regulating valve group |
| CN102359631B (en) * | 2011-11-11 | 2013-08-28 | 石特阀门股份有限公司 | Pressure regulating valve group of pressure regulating cone valve |
| CN108426091A (en) * | 2018-05-15 | 2018-08-21 | 鞍山亨通高炉设备工程技术有限公司 | Noise cancelling type all-closed horizontal pressure reducing valve |
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| Publication number | Publication date |
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| CN101893131B (en) | 2011-08-10 |
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Inventor after: Wei Chengzhi Inventor after: Tang Zhongku Inventor before: Tang Zhongku |
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