CN2594273Y - Double tank charger on top of furnace - Google Patents
Double tank charger on top of furnace Download PDFInfo
- Publication number
- CN2594273Y CN2594273Y CN 02286265 CN02286265U CN2594273Y CN 2594273 Y CN2594273 Y CN 2594273Y CN 02286265 CN02286265 CN 02286265 CN 02286265 U CN02286265 U CN 02286265U CN 2594273 Y CN2594273 Y CN 2594273Y
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- valve
- transmission case
- weighing
- chute
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Abstract
The utility model discloses a double-tank furnace top device without a bell, which comprises a receiving hopper (1), two stock tanks (3), a conical section (38), a chute transmission case (9), etc., and is supported on a furnace shell by a frame (11) which is in a shape of a China character of mu. The upper part of each stock tank (3) is provided with a seal valve (2), and the lower part is provided with a weighing device (10), a regulating valve (4), and a lower seal valve (6). A corrugated compensator (7) is arranged between the conical section (38) and an insert plate valve (8) on the upper part of the chute transmission case (9), wherein, the receiving hopper (1) is supported on a track of a furnace top platform by four sets of wheels, and can rightward and leftward moved; the upper seal valve (2), the stock tanks (3), and the regulating valve (4) form a weighing integral, and a corrugate pipe (5) is arranged between the regulating valve (4) and the lower seal valve (6); a sealing ring of the upper seal valve (2) is a spherical surface; the exterior of a central throat support frame (39) of the chute transmission case (9) is provided with a circle pipe (40), and the exterior of the circle pipe (40) and a lower bottom plate of the transmission case are provided with an upper sealing ring 31 and a lower sealing ring 32. A charger furnace top device not only has the advantages of no generation of the stock clamping phenomenon and accurate weighing, but also has the advantages of better sealing effect, better cooling effect, and easy maintenance.
Description
The utility model relates to a kind of blast furnace does not have the clock top charging equipment, particularly relates to a kind of two jars of no clock top charging equipments.
For adapting to the needs that modern blast furnace is produced, no clock top charging equipment promptly obtains promotion and application on medium and small blast furnace.Domestic medium and small blast furnace top charging equipment has single jar and two jars of no clock furnace roofs.Two types differ greatly, and characteristics are respectively arranged.But the domestic no clock top charging equipments of two jars that generally adopt.The in a single day a certain link of one-pot material equipment breaks down and overhauls total system is out of service.Two canned material equipment sometimes can single jar be kept production, reduce the stopping production number of times.Also mainly contain parts such as turnover panel, hopper, batch can, weighing device, upper-lower seal valve and chute transmission case at present at two jars of no clock top charging equipments that use.Wherein hopper is a fixed, adopts the panel turnover device charging, because raw material is lack of standardization, the jam phenomenon often occurs, influences the ordinary production of blast furnace.Variable valve and lower seal valve are assembled on the big clack box, not only can not change separately, and variable valve are connected with clack box with a horizontal corrugated tube by a vertical moire pipe, and be very big to the interference of weighing, can't be to the accurate weighing of furnace charge.The chute transmission case fully disclosed in the patent No. 94241799.2, this is a kind of novel water-cooled water-sealed transmission case, be significantly improved and plurality of advantages than water-cooled sealing gland and air cooling sealing gland transmission case, but because of blast furnace production is fluctuateed bigger, there is the interior flue dust of a small amount of stove to enter in the transmission case, and influences the cooling performance of transmission case.The seal valve employing patent No. is 95241038.9 structure, and this is simple in structure, be easy to change, but because sealing-ring is trapezoidal trim, distortion needs bigger specific pressure, and sealing effectiveness is not very good, does not satisfy the more operation of high pressure.
The purpose of this utility model provides a kind of nothing phenomenon that gets stuck and takes place, and weighing two jars of no bell furnace roof equipment accurately, and it is good sealing effect not only, and cooling performance is better, is easy to overhaul.
For achieving the above object, two jars of no clock furnace roof equipment of blast furnace comprise hopper, two batch cans, bore parts such as joint, chute transmission case, and by Mu-shape frame entire equipment are supported on the furnace shell.Upper sealing valve is arranged at the top of each batch can, and weighing device, variable valve, lower seal valve are arranged at the bottom.Lower seal valve lower flange is connected with the awl joint, and awl joint upper flange is installed on the Mu-shape frame.Be provided with a ripple pipe expansion joint between the push-pull valve on awl joint and chute transmission case top, its structural feature is: cancellation panel turnover device, hopper on the throat platform track, drive hopper move left and right by a table oil cylinder by four groups of wheel support; Upper sealing valve, batch can, variable valve are formed a weighing integral body, are provided with a corrugated tube between variable valve and lower seal valve.
The sealing-ring of upper and lower seal valve is a sphere, and its valve seat spherical radius is a bit larger tham the sealing-ring spherical radius; The chute transmission case adopts water-cooled water-sealed transmission case (patent No. is 94241799.2), be provided with endless tube on the heart trunnion support therein, soft water is forced cooling, and the endless tube outer setting of center trunnion support has water seal water-cooled wear ring, also is provided with water seal water-cooled wear ring on the transmission case low bottom-disc.
Adopt such structure, because the cancellation panel turnover device, fixedly hopper changes mobile hopper into, has overcome the fault that turnover panel can't overturn when getting stuck; Variable valve and batch can, upper sealing valve are formed one and are separated with the ripple pipe expansion joint with the lower seal valve, have reduced the interference to weighing, have improved the accuracy of weighing; Because the sealing-ring of upper-lower seal valve is a sphere, improved sealing effectiveness again; Center trunnion support adopts endless tube soft water to force cooling, and upper and lower water seal water-cooled wear ring is set, and improves whole cooling performance, and has prevented that inner flue gas of the stove from entering in the transmission case.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the outer assembling synoptic diagram of two jars of no clock top charging equipments of the present utility model;
Fig. 2 is the upper sealing valve synoptic diagram of loading device shown in Figure 1;
Fig. 3 is the A portion enlarged view of upper sealing valve shown in Figure 2;
Fig. 4 is the mobile hopper synoptic diagram of loading device shown in Figure 1;
Fig. 5 is the variable valve synoptic diagram of loading device shown in Figure 1;
Fig. 6 is the variable valve and the lower seal valve assembly drawing of loading device shown in Figure 1;
Fig. 7 is the lower seal valve synoptic diagram of loading device shown in Figure 1;
Fig. 8 is the sectional view along the B-B line of lower seal valve shown in Figure 7;
Fig. 9 is the sectional view of Fig. 8 along the C-C line;
Figure 10 is a chute transmission case synoptic diagram shown in Figure 1;
Figure 11 is the parts drawing of chute transmission case shown in Figure 10 center trunnion support 39;
Figure 12 is that chute transmission case K shown in Figure 10 is to view.
Two jars of no clock top charging equipments shown in Figure 1 comprise parts such as hopper 1, two batch cans 3, awls save 38, chute transmission case 9, and by Mu-shape frame entire equipment are supported on the furnace shell.Upper sealing valve 2 is arranged at the top of each batch can 3, and weighing device 10, variable valve 4, lower seal valve 6 are arranged at the bottom.Lower seal valve 6 lower flanges are connected with awl joint 38, and awl joint 38 upper flanges are installed on the Mu-shape frame 11, are provided with a ripple pipe expansion joint 7 between the push-pull valve 8 on awl joint 38 and chute transmission case 9 tops.
From Fig. 1, Fig. 2 and Fig. 3 as can be known: the upper sealing valve 2 main structures that adopt the applicant's patent 95241038.7, drive by a table oil cylinder, the lower flange of upper sealing valve 2 is connected with batch can 3 upper flanges with bolt, and the last receiving opening of upper sealing valve 2 can insert the furnace charge of hopper.Its texture improvement mainly is that sealing-ring adopts silicone rubber ball face seal circle 16, and valve seat 17 spherical radius are a bit larger tham the sealing-ring spherical radius, increase sealing load to produce sealing-ring sphere moderate finite deformation.Valve plate 18 centers of rotation and sealing-ring sphere make sealing-ring 16 and valve seat 17 that excellent contact is arranged in a plane, have improved sealing effectiveness.
From Fig. 1, Fig. 4 as can be known: in the top of this loading device, cancelled panel turnover device, fixedly hopper changes mobile hopper 1 into, be that hopper 1 is supported on the throat platform track 12 by four groups of wheels 15, one side of hopper is provided with a table oil cylinder 13 and drives the hopper move left and right, the furnace charge of two hoppers is discharged in the left and right sides batch can 3 through the receiving opening of upper sealing valve 2 respectively, has so just overcome the fault that turnover panel gets stuck and can't overturn.The feed opening outside of this external hopper 1 also is provided with removable cover 14, and the dust during with the minimizing discharging escapes.
As can be seen from Figure 5: the valve plate 20 of variable valve is connected with spline 22 between valve plate 20 and the transmission shaft 21,23 by transmission shaft 21,23 transmissions.Shaft seal place is by packing_seal, and design has butterfly spring packing ring 24, makes compensating action after the sealing material wearing and tearing.And be provided with encoder on transmission shaft 23 tops and near switch 25, with the stroke of accurate control valve.
From Fig. 1, Fig. 6 as can be known upper sealing valve 2, batch can 3, variable valve 4 form a weighing integral body and carry out weighing, have a corrugated tube 5 to link between clack box 19 upper flanges of variable valve lower flange and lower seal valve 6, variable valve 4 upper flanges connect with batch can 3 lower flanges.The flange of this weighing integral body is placed on two groups of weighing devicees 10.Because whole corrugated tube 5 and the lower seal valve 6 of adopting of whole weighing separates, and reduced the interference to weighing.Weighing device 10 is supported on the order font framework 11.Weighing device 10 (Fig. 1) mainly is made up of pressure transmitter and pulling force sensor, material is heavy in the pressure transmitter ponderable quantity batch can, the buoyancy that produces when batch can is all pressed is measured its buoyancy by pulling force sensor, thereby can overcome the defective that can't accurately weigh because the batch can internal pressure changes.
From Fig. 7, Fig. 8, Fig. 9 as can be known, the sealing-ring 26 of lower seal valve is a silica gel sphere shape, and the spherical radius of valve plate 27 is slightly larger.Valve plate 27 is installed on the transmission shaft 29, and transmission shaft 29 is supported on the housing by two end axles bearing 30.Valve plate 27 transmissions are driven by a table oil cylinder 28.This structure has overcome the defective of cantilever shafts sealing destructible, to improve the installation accuracy and the work-ing life thereof of valve.
Figure 10, Figure 11, chute transmission case shown in Figure 12 mainly adopt the water-cooled water-sealed transmission case structure of applicant's patented technology 94241799.2.Except that adopting the water-cooled water-sealed technology, the center trunnion support 39 in this external transmission case also is provided with endless tube 40, forces cooling with soft water, guarantees the working temperature of each driving parts in the transmission case.Transmission case center trunnion support arranged outside water-cooled water-sealed spray wear ring 31, be provided with water cooled seal ring 32 on the low bottom-disc, the sealing ring can reduce because furnace top pressure causes the fluctuation of transmission case internal pressure when changing, and sucks in the transmission case and reduce ash-laden gas.The chute rotating machine 34 of this transmission system, chute swing motor 37 separate installation with planetary reducer 35, and β angle signal transmitter 33 is installed in rotating machine 34 tail ends, and α angle signal transmitter 36 is installed in planetary reducer 35 1 sides.Need not remove other transmission rig when planetary reducer is changed in this structure maintenance, thereby save a large amount of repair times.
From as can be known above-mentioned, in the loading device of the present utility model, variable valve 4, lower seal valve clack box 19 with and following awl joint 38 separate, connect with bolt by flange, can remove in order to maintenance.
Chute transmission case 9 tops and awl internode 38 are provided with the ripple pipe expansion joint 7 of certain space in addition, during maintenance, remove ripple pipe expansion joint 7, and chute and chute transmission case 9 can integral body be pulled down.Therefore, this pair jar does not have clock furnace roof equipment and has not only solved the problem of getting stuck, and weighing is accurate, and effective, and cooling performance is better, and it is convenient that parts are changed in maintenance.
Claims (8)
1, a kind of two jars of no clock top charging equipments, it comprises hopper (1), two batch cans (3), awl joint (38), chute transmission case parts such as (9), by Mu-shape frame (11) entire equipment is supported on the furnace shell; Upper sealing valve (2) is arranged at the top of each batch can (3), and weighing device (10), variable valve (4), lower seal valve (6) are arranged at the bottom; Lower seal valve (6) lower flange is connected with awl joint (38), and awl joint (38) upper flange is installed on the Mu-shape frame (11); Between the push-pull valve (8) on awl joint (38) and chute transmission case (9) top, be provided with a ripple pipe expansion joint (7), it is characterized in that: be supported on the throat platform track (12) by four groups of wheels (15) at hopper (1), drive hopper (1) move left and right by a table oil cylinder; Upper sealing valve (2), batch can (3), variable valve (4) are formed a weighing integral body, are provided with a corrugated tube (5) between variable valve (4) and lower seal valve (6).
2, top charging equipment according to claim 1 is characterized in that: sealing-ring (16), (26) of described upper-lower seal valve (2), (6) are sphere, and the spherical radius of seal valve valve seat is a bit larger tham the sealing-ring spherical radius; Valve plate (18) center of rotation of described upper sealing valve (2) and sealing-ring (16) sphere are in same plane.
3, top charging equipment according to claim 1, it is characterized in that: on described chute transmission case (9) center trunnion support (39), be provided with endless tube (40), endless tube (40) outer setting of this transmission case (9) center trunnion support (39) water seal water cold water spray wear ring (31), also be provided with water seal water-cooled wear ring (32) on transmission case (9) low bottom-disc.
4, top charging equipment according to claim 1, it is characterized in that: the flange of the weighing integral body of being made up of upper sealing valve (2), batch can (3), variable valve (4) is placed on two groups of weighing devicees (10), and this weighing device (10) is supported on the Mu-shape frame (11).
5, top charging equipment according to claim 1 is characterized in that: the independent parts of described variable valve (4), and its upper flange connects with batch can (3) lower flange, and lower flange links by the clack box (19) of corrugated tube (5) with lower seal valve (6).
6, according to claim 1,4 described top charging equipments, it is characterized in that: described weighing device (10) is weighed by pressure transmitter measurement material and pulling force sensor measurement batch can buoyancy is formed.
7, according to claim 1,3 described top charging equipments, it is characterized in that: the chute rotating machine (34) of described chute transmission case (9) transmission system, chute swing motor (37) separate installation with planetary reducer (35), β angle signal transmitter (33) is installed in rotating machine (34) tail end, and α angle signal transmitter (36) is installed in planetary reducer (35) one sides.
8, top charging equipment according to claim 1 is characterized in that: the feed opening outside of described hopper (1) also is provided with removable cover (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02286265 CN2594273Y (en) | 2002-11-26 | 2002-11-26 | Double tank charger on top of furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02286265 CN2594273Y (en) | 2002-11-26 | 2002-11-26 | Double tank charger on top of furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2594273Y true CN2594273Y (en) | 2003-12-24 |
Family
ID=33747006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02286265 Expired - Lifetime CN2594273Y (en) | 2002-11-26 | 2002-11-26 | Double tank charger on top of furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2594273Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824501A (en) * | 2010-05-28 | 2010-09-08 | 济南中燃科技发展有限公司 | Method for reducing height of screening and weighing system under blast furnace bunker |
| CN101619370B (en) * | 2009-08-10 | 2010-09-29 | 重庆钢铁(集团)有限责任公司 | Structure for quickly eliminating putty at bottom of weighing material tank |
| CN102352419A (en) * | 2011-09-28 | 2012-02-15 | 中冶南方工程技术有限公司 | Compact valve box device for rotating upper sealing valve of blast furnace |
| CN102417943A (en) * | 2010-04-16 | 2012-04-18 | 北京首钢机电有限公司 | Bellless feeding device |
| CN104215055A (en) * | 2014-09-28 | 2014-12-17 | 南京同皓干燥设备有限公司 | Net belt drying machine |
| CN104627597A (en) * | 2013-11-08 | 2015-05-20 | 贵阳铝镁设计研究院有限公司 | Opening and closing method and structure of feeding chute |
| CN109487027A (en) * | 2018-12-21 | 2019-03-19 | 北京科技大学 | A kind of apparatus for distributing optimized and furnace charge is classified in pot type bell-less furnace top blast furnace |
| CN111351363A (en) * | 2020-03-09 | 2020-06-30 | 北京嘉永会通能源科技有限公司 | Conveying device for furnace feeding system |
-
2002
- 2002-11-26 CN CN 02286265 patent/CN2594273Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619370B (en) * | 2009-08-10 | 2010-09-29 | 重庆钢铁(集团)有限责任公司 | Structure for quickly eliminating putty at bottom of weighing material tank |
| CN102417943A (en) * | 2010-04-16 | 2012-04-18 | 北京首钢机电有限公司 | Bellless feeding device |
| CN101824501A (en) * | 2010-05-28 | 2010-09-08 | 济南中燃科技发展有限公司 | Method for reducing height of screening and weighing system under blast furnace bunker |
| CN102352419A (en) * | 2011-09-28 | 2012-02-15 | 中冶南方工程技术有限公司 | Compact valve box device for rotating upper sealing valve of blast furnace |
| CN104627597A (en) * | 2013-11-08 | 2015-05-20 | 贵阳铝镁设计研究院有限公司 | Opening and closing method and structure of feeding chute |
| CN104627597B (en) * | 2013-11-08 | 2017-02-15 | 贵阳铝镁设计研究院有限公司 | Opening and closing method and structure of feeding chute |
| CN104215055A (en) * | 2014-09-28 | 2014-12-17 | 南京同皓干燥设备有限公司 | Net belt drying machine |
| CN104215055B (en) * | 2014-09-28 | 2016-01-06 | 南京同皓干燥设备有限公司 | Mesh dryer |
| CN109487027A (en) * | 2018-12-21 | 2019-03-19 | 北京科技大学 | A kind of apparatus for distributing optimized and furnace charge is classified in pot type bell-less furnace top blast furnace |
| CN111351363A (en) * | 2020-03-09 | 2020-06-30 | 北京嘉永会通能源科技有限公司 | Conveying device for furnace feeding system |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121126 Granted publication date: 20031224 |