CN2735092Y - Conical ring seam regulating valve for dust removal of blast furnace gas - Google Patents
Conical ring seam regulating valve for dust removal of blast furnace gas Download PDFInfo
- Publication number
- CN2735092Y CN2735092Y CN 200420076300 CN200420076300U CN2735092Y CN 2735092 Y CN2735092 Y CN 2735092Y CN 200420076300 CN200420076300 CN 200420076300 CN 200420076300 U CN200420076300 U CN 200420076300U CN 2735092 Y CN2735092 Y CN 2735092Y
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- China
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- dish spring
- blast furnace
- sleeve
- furnace gas
- stuffing box
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Abstract
The utility model relates to a conical ring seam regulating valve in the washing tower for smelting the blast furnace gas and remove the dust. A conical ring seam regulating valve for dust removal of blast furnace gas comprises an inner cone, an outer cone, a valve rod, a hydraulic device and a sealing filling means; the lower end of the valve rod (6) is fixedly connected with the hydraulic rod (2) of the hydraulic device (1) by an ear base (17); the upper parts of the outer cone (9) and the inner cone (10) are positioned in the port of the upper circular cylinder (11); the outer cone (9) is fixedly connected with the washing tower body (5) by a supporting rod (8); the inner cone (10) is positioned in the outer cone (9); the lower part of the valve rod (6) is provided with the sealing filling means (4). The conical ring seam regulating valve for dust removal of blast furnace gas is characterized in that the outer cone (9) is symmetrically and fixedly jointed with 3-6 guide devices (7) of which liquid wheels (18) are contacted with the sleeve pipe (41) of the lower part of the inner cone (10). The conical ring seam regulating valve for dust removal of blast furnace gas has the characteristics of reducing the manufacturing and equipping requirements, increasing the reliability, reducing the maintaining quantity, and prolonging the cone long lifetime.
Description
Technical field
The utility model relates to a kind of scrubber tower of steelmaking furnace coal gas dust removal, is specifically related to the taper circumferential weld modulating valve in the scrubber tower.
Background technique
The coal gas that produces in the blast furnace ironmaking process reclaims (and can utilize top pressure power generation) after the scrubber tower dedusting, when scrubber tower did not also link to each other with the top pressure power generation unit, the opening state of the modulating valve of scrubber tower was with the effect of control blast furnace top pressure.At present, domestic blast furnace gas circumferential weld dedusting scrubber tower mainly adopts the scrubber tower of Luxembourg PW company or the design of Austrian VAI company, the upper end of the top cylinder in the scrubber tower is connected with the blast furnace furnace roof, the underpart of top cylinder is provided with shower, cylinder outlet port under the shower is provided with mitre velve, has the purified gas outlet on the washing tower body behind the mitre velve.It is to adopt a mitre velve, the opening state of control coal gas, its mitre velve comprises internal cones, external cone, valve rod, hydraulic pressure installation, internal cones matches with external cone, one end of valve rod is fixedlyed connected with internal cones, and the other end of valve rod is connected with the oil hydraulic cylinder of hydraulic pressure installation, and oil hydraulic cylinder moves up and down, drive internal cones by valve rod and move up and down, the control gas pressure; The top and the top cylinder of external cone link, and top cylinder is provided with shower, and coal gas is carried out the shower dedusting.The circumferential weld scrubber tower of Luxembourg PW company or Austrian VAI company has the dust removal efficiency height, and the circumference wearing and tearing are evenly compared long characteristics of life-span with domestic equipment in the past; Deficiency is: 1) the internal cones requirement is strict concentric with external cone, and manufacturing, installation precision require high; If when eccentric, air-flow is asymmetric, and is also just asymmetric to the pressure of cone with respect to external cone for internal cones, thereby produced transverse force, and gas exit can reach velocity of sound, transverse force will sharply increase with the growth of throw of eccentric, make cone produce vibration, influenced the stable of blast furnace top pressure.(2) the stem lower portion stuffing box packing is easy to wear, and maintenance is bigger.(3) not only pressure is big, flow velocity is fast owing to the coal gas that produces in the blast furnace ironmaking process, and carry the furnace charge dust of a large amount of hard particles, erosive wear to cone is big, and the skewness longitudinally that weares and teares, washing away the most severe is the ingress, concentrated wear is serious, and the unanimity but the external cone of employing at present high-abrasive material longitudinally distributes is unfavorable for giving full play to the effect of high-abrasive material.
Summary of the invention
Weakness at above-mentioned internal cones, the strict centering of external cone, main purpose of the present utility model is to provide a kind of taper circumferential weld modulating valve that is used for dedusting of blast furnace gas that reduces manufacturing, installation requirement and improve reliability, its secondary objective is to reduce maintenance, prolongs the cone life-span.
To achieve these goals, the technical solution of the utility model is: the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas, it comprises internal cones, external cone, valve rod, hydraulic pressure installation, stuffing box packing mechanism, fixedlyed connected with the piston rod 2 of oil hydraulic cylinder 1 by ear seat 17 in the lower end of valve rod 6, external cone 9, the top of internal cones 10 is positioned at top cylinder 11 ports, external cone 9 is fixedlyed connected with washing tower body 5 by strut 8, internal cones 10 is positioned at external cone 9, the bottom of valve rod 6 is provided with stuffing box packing mechanism 4, it is characterized in that: symmetry is fixedly connected with 3～6 guiding devices 7 on the external cone 9, and the roller 18 of guiding device 7 contacts with the lower sleeve portion 41 of internal cones 10.
Described guiding device 7 comprises roller 18, roller shaft 19, roller base 20, sleeve 21, dish spring 22, dish spring abutment 23, dish spring guide rod 24, pillar 25, support 26, pillar 27,26 one-tenth L types of support, fixedlyed connected by bolt, nut with external cone 9 in the top of support 26, the underpart fixed interval of support 26 has pillar 25, pillar 27, fixedlyed connected by 2 nuts with an end of dish spring guide rod 24 in pillar 25 tops, the other end of dish spring guide rod 24 passes dish spring abutment 23 and is fixedlyed connected by nut with dish spring abutment 23, and dish spring 22 is positioned at dish spring abutment 23 and is enclosed within on the dish spring guide rod 24; Pillar 27 tops and roller base 20 by bolt, nut is adjustable fixedlys connected, an end of sleeve 21 contacts with dish spring 22, the other end of sleeve 21 contacts with roller base 20, roller 18 is flexibly connected by roller shaft 19 and roller base 20.
Described stuffing box packing mechanism 4 comprises undersetting 28, Stuffing box 29, lower bush 30, filler 31, dish spring 32, gland 33, double-screw bolt 34, the middle and lower part of undersetting 28 and pedestal 3 are welded to connect, Stuffing box 29 1 ends are fixedlyed connected with the lower end of undersetting 28 by bolt, nut, Stuffing box 29 the other ends are open type, the opening internal upper part is provided with lower bush 30, the middle part is provided with filler 31, the bottom is provided with gland 33, gland 33 is connected with Stuffing box 29 by screw rod 34, nut, is with butterfly spring 32 on the screw rod 34 between Stuffing box 29 and the nut 35.
Described internal cones 10 mainly is made of ring 37, wear ring 38, wear ring 39, ring 40, sleeve 41, sleeve 41 upper ends are fixed on the middle part, the end of ring 40, the lower end of sleeve 41 is fixedly connected with the flange that the lower end of depression bar 14 is connected, depression bar 14 is enclosed within the sleeve 41, ring 40, wear ring 39, wear ring 38, ring 37 are enclosed within on the depression bar 14 successively, and it is fixedly connected with the flange that the upper end of depression bar 14 is connected to encircle 37 upper ends.
Described guiding device 7 is 4, and 4 guiding devices 7 become 90 ° of angles each other.
Set up 4 guiding devices 7 on the architecture basics of the existing external cone of the utility model, internal cones, valve rod, the may command gap value, restriction internal cones 10 laterally moves, external cone, when the internal cones concentricity is not high, can be by guiding device 7 fine settings that add, improve reliability, can reach installation precision equally.The guiding device 7 that adds can relax external cone, the body concentric requirement of inner cone, makes requirement and can reduce, and original external cone, the body concentric installation requirement of inner cone can reduce.
The utility model is set up butterfly spring 32 in existing stuffing box packing mechanism, in the spring compensation range, filler is compressed, and prolongs the repair cycle.
The utility model adopts internal cones is segmented into several parts, is the ingress because of washing away the most severe, adopts wear ring 38, wear ring 39 with thickening mill material, the working life of prolongation internal cones.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 be Fig. 1 along A to enlarged diagram
Fig. 3 is the B portion enlarged diagram of Fig. 1
Fig. 4 is the C portion enlarged diagram of Fig. 1
Fig. 5 is the utility model internal cones enlarged diagram
Among the figure: the 1-oil hydraulic cylinder, the 2-piston rod, the 3-pedestal, 4-stuffing box packing mechanism, 5-washs tower body, the 6-valve rod, 7-guiding device, 8-strut, 9-external cone, the 10-internal cones, 11-top cylinder, 12-top guide bar, 13-shower, the 14-depression bar, 15-depression bar, 16-depression bar, 17-ear seat, the 18-roller, 19-roller shaft, 20-roller base, 21-sleeve, 22-dish spring, 23-dish spring abutment, 24-dish spring guide rod, 25-pillar, the 26-support, 27-pillar, 28-undersetting, 29-Stuffing box, the 30-lower bush, 31-filler, 32-dish spring, 33-gland, the 34-double-screw bolt, 35-nut, 36-base, 37-ring, the 38-wear ring, 39-wear ring, 40-ring, 41-sleeve.
Embodiment
As Fig. 1, shown in Figure 2, the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas, it comprises internal cones, external cone, valve rod, hydraulic pressure installation, stuffing box packing mechanism, valve rod 6 is by top guide bar 12, depression bar 14, depression bar 15, depression bar 16, flange is formed, fixedlyed connected by flange with the lower end of top guide bar 12 in the upper end of depression bar 14, fixedlyed connected by flange with the upper end of depression bar 15 in the lower end of depression bar 14, fixedlyed connected by flange with the upper end of depression bar 16 in the lower end of depression bar 15, fixedlyed connected with the piston rod 2 of oil hydraulic cylinder 1 by ear seat 17 in the lower end of depression bar 16, oil hydraulic cylinder 1 is fixed on the base 36; The top of external cone 9, internal cones 10 is positioned at top cylinder 11 ports, and top cylinder 11 is provided with shower 13, and external cone 9 is fixedlyed connected with washing tower body 5 by strut 8, and internal cones 10 is positioned at external cone 9; The bottom of depression bar 16 is provided with stuffing box packing mechanism 4.Symmetry is fixedly connected with 7,4 guiding devices 7 of 4 guiding devices and becomes 90 ° of angles each other on the external cone 9, and the roller 18 of guiding device 7 contacts with the lower sleeve portion 41 of internal cones 10.
As shown in Figure 3, described guiding device 7 comprises roller 18, roller shaft 19, roller base 20, sleeve 21, dish spring 22, dish spring abutment 23, dish spring guide rod 24, pillar 25, support 26, pillar 27,26 one-tenth L types of support, the top of support 26 and external cone 9 are by bolt, nut is fixedly connected, the underpart fixed interval of support 26 has pillar 25, pillar 27, one end of pillar 25 tops and dish spring guide rod 24 is fixedlyed connected (by 2 nuts fine setting positions, dish spring guide rod 24 left and right sides) by 2 nuts, the other end of dish spring guide rod 24 passes dish spring abutment 23 and is fixedlyed connected by nut with dish spring abutment 23, and dish spring 22 is positioned at dish spring abutment 23 and is enclosed within on the dish spring guide rod 24; Pillar 27 tops and roller base 20 by bolt, nut is adjustable fixedlys connected (by 4 nuts fine setting positions, roller base 20 left and right sides), one end of sleeve 21 contacts with dish spring 22, the other end of sleeve 21 contacts with roller base 20, and roller 18 is flexibly connected by roller shaft 19 and roller base 21.
As shown in Figure 4, described stuffing box packing mechanism 4 comprises undersetting 28, Stuffing box 29, lower bush 30, filler 31, dish spring 32, gland 33, double-screw bolt 34, the middle and lower part of undersetting 28 and pedestal 3 are welded to connect, Stuffing box 29 1 ends are fixedlyed connected with the lower end of undersetting 28 by bolt, nut, Stuffing box 29 the other ends are open type, the opening internal upper part is provided with lower bush 30, the middle part is provided with filler 31, the bottom is provided with gland 33, gland 33 is connected with Stuffing box 29 by screw rod 34, nut, is with butterfly spring 32 on the screw rod 34 between Stuffing box 29 and the nut 35.
As shown in Figure 5, described internal cones 10 mainly is made of ring 37, wear ring 38, wear ring 39, ring 40, sleeve 41, sleeve 41 upper ends are fixed on the middle part, the end of ring 40, the lower end of sleeve 41 is fixedly connected with the flange that the lower end of depression bar 14 is connected, depression bar 14 is enclosed within the sleeve 41, ring 40, wear ring 39, wear ring 38, ring 37 are enclosed within on the depression bar 14 successively, and it is fixedly connected with the flange that the upper end of depression bar 14 is connected to encircle 37 upper ends.
Claims (5)
1. the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas, it comprises internal cones, external cone, valve rod, hydraulic pressure installation, stuffing box packing mechanism, fixedlyed connected with the piston rod (2) of oil hydraulic cylinder (1) by ear seat (17) in the lower end of valve rod (6), external cone (9), the top of internal cones (10) is positioned at top cylinder (11) port, external cone (9) is fixedlyed connected with washing tower body (5) by strut (8), internal cones (10) is positioned at external cone (9), the bottom of valve rod (6) is provided with stuffing box packing mechanism (4), it is characterized in that: external cone (9) goes up symmetry and is fixedly connected with 3～6 guiding devices (7), and the roller (18) of guiding device (7) contacts with the lower sleeve portion (41) of internal cones (10).
2. the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas according to claim 1, it is characterized in that: described guiding device (7) comprises roller (18), roller shaft (19), roller base (20), sleeve (21), dish spring (22), dish spring abutment (23), dish spring guide rod (24), pillar (25), support (26), pillar (27), support (26) becomes the L type, the top of support (26) and external cone (9) are by bolt, nut is fixedly connected, the underpart fixed interval of support (26) has pillar (25), pillar (27), fixedlyed connected by 2 nuts with an end of dish spring guide rod (24) in pillar (25) top, the other end of dish spring guide rod (24) passes dish spring abutment (23) and is fixedlyed connected by nut with dish spring abutment (23), and dish spring (22) is positioned at dish spring abutment (23) and is enclosed within on the dish spring guide rod (24); Pillar (27) top and roller base (20) by bolt, nut is adjustable fixedlys connected, one end of sleeve (21) contacts with dish spring (22), the other end of sleeve (21) contacts with roller base (20), and roller (18) is flexibly connected by roller shaft (19) and roller base (21).
3. the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas according to claim 1, it is characterized in that: described stuffing box packing mechanism (4) comprises undersetting (28), Stuffing box (29), lower bush (30), filler (31), dish spring (32), gland (33), double-screw bolt (34), the middle and lower part of undersetting (28) and pedestal (3) are welded to connect, Stuffing box (29) one ends are by bolt, nut is fixedlyed connected with the lower end of undersetting (28), Stuffing box (29) the other end is an open type, the opening internal upper part is provided with lower bush (30), the middle part is provided with filler (31), the bottom is provided with gland (33), gland (33) is by screw rod (34), nut is connected with Stuffing box (29), is with butterfly spring (32) on the screw rod (34) between Stuffing box (29) and the nut (35).
4. the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas according to claim 1, it is characterized in that: described internal cones (10) is mainly by ring (37), wear ring (38), wear ring (39), ring (40), sleeve (41) constitutes, sleeve (41) upper end is fixed on the middle part, the end of ring (40), the lower end of sleeve (41) is fixedly connected with the flange that the lower end of depression bar (14) is connected, depression bar (14) is enclosed within the sleeve (41), ring (40), wear ring (39), wear ring (38), ring (37) is enclosed within on the depression bar (14) successively, and the flange that ring (37) upper end is connected with the upper end of depression bar (14) is fixedly connected.
5. the taper circumferential weld modulating valve that is used for dedusting of blast furnace gas according to claim 1 and 2, it is characterized in that: described guiding device (7) is 4,4 guiding devices (7) become 90 ° of angles each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420076300 CN2735092Y (en) | 2004-08-13 | 2004-08-13 | Conical ring seam regulating valve for dust removal of blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420076300 CN2735092Y (en) | 2004-08-13 | 2004-08-13 | Conical ring seam regulating valve for dust removal of blast furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735092Y true CN2735092Y (en) | 2005-10-19 |
Family
ID=35264967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420076300 Expired - Fee Related CN2735092Y (en) | 2004-08-13 | 2004-08-13 | Conical ring seam regulating valve for dust removal of blast furnace gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735092Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102084009B (en) * | 2008-06-27 | 2013-10-30 | 西门子Vai金属科技有限责任公司 | Process gas purification device for melt reduction device for extracting pig iron |
| CN104284852A (en) * | 2012-05-14 | 2015-01-14 | 斯塔尔-及仪器制造汉斯莱勒尔有限责任两合公司 | Lock for pressurized coal gasification plants |
-
2004
- 2004-08-13 CN CN 200420076300 patent/CN2735092Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102084009B (en) * | 2008-06-27 | 2013-10-30 | 西门子Vai金属科技有限责任公司 | Process gas purification device for melt reduction device for extracting pig iron |
| CN104284852A (en) * | 2012-05-14 | 2015-01-14 | 斯塔尔-及仪器制造汉斯莱勒尔有限责任两合公司 | Lock for pressurized coal gasification plants |
| CN104284852B (en) * | 2012-05-14 | 2017-10-13 | 斯塔尔-及仪器制造汉斯莱勒尔有限责任两合公司 | Fire door for coal pressure gasification equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051019 Termination date: 20130813 |