CN206188830U - Header tank for blast furnace - Google Patents
Header tank for blast furnace Download PDFInfo
- Publication number
- CN206188830U CN206188830U CN201621314132.2U CN201621314132U CN206188830U CN 206188830 U CN206188830 U CN 206188830U CN 201621314132 U CN201621314132 U CN 201621314132U CN 206188830 U CN206188830 U CN 206188830U
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- water
- outlet
- header tank
- blast furnace
- closure
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Abstract
The utility model discloses a header tank for blast furnace, including holding box (1) that has liquid, the top of box (1) is provided with wind gap backwater branch pipe (9), the bottom is provided with out water nozzle stub (4), be provided with sealed water outlet assembly in the play water nozzle stub (4), it is provided with sealed lid (7) that are used for sealed outlet to surface the outlet department of nozzle stub (4) bottom, sealed lid (7) links to each other with sealed water outlet assembly, sealed water outlet assembly drives corresponding outlet the opening and close with the control drainage mouth of keeping away from or contact out water nozzle stub (4) bottom of sealed lid (7) according to the water pressure in the box (1). The utility model discloses a header tank for blast furnace can cut off air admission refrigeration cycle return system completely, improves circulation return water pipe water flow state. And makes air water among the circulation return water pipe mix to flow an one -way pressure flow attitude of changing into full packages water, and the air content in the return water reduces, avoid taking place air -resistor and overflow phenomenon.
Description
Technical field
The utility model is related to a kind of blast furnace header tank, can be extensively using the open circuit of industrial enterprise's recirculating cooling water system
Nothing is pushed back in water lines.
Background technology
Blast-furnace tuyere device typically uses high-pressure open-circuit recirculated cooling water, is inspection to prevent the cutout of recirculated cooling water
Look into conveniently, open type header tank is set at tuyere platform, tuyere device cooling backwater pushes back most platform by pipeline liquid injecting device
Header tank.Because header tank is open type, cause pressure water pressure release to be formed without water system is pushed back, platform is utilized without water system is pushed back
Water is delivered to pumping plant absorbing well, absorption well by height, and delivering to cooling tower by the pressurization of upper tower pump is cooled down, in blast furnace routine operation, often
Stifled air port operation is carried out, causes platform header tank liquid level often in fluctuation status, in the case of water tank is in low liquid level, current
Large quantity of air can be swept along to enter water return pipeline, and through water return pipeline from flowing in pumping plant absorbing well, absorption well, water circulating pump suction is containing big
The backwater of air bubble is measured, its impeller easily cavitates, and causes component partial to damage, and pump is produced noise and vibration, jeopardized
Water pump normally runs；And, water return pipeline slack flow is mingled with large quantity of air in backwater, water return pipeline often produces cavitation erosion gas
Resistance phenomenon, influences the mode of system and normal operation.
Existing Chinese patent notification number is the utility model patent of CN202181576U, discloses a kind of siphonic water collection
Case, including：Casing, is siphoned off Nozzle assemblies, and water outlet short tube.Wherein, one of vital part is siphoned off Nozzle assemblies also
Including choke cover plate, multiple water conservancy diversion ribs, ring and the bucket body etc. that catchments, the part of delivery port component the top is choke cover plate, by
The circular steel plate that there are some perforates one inside is made.When cooling device circling water flow rate is less, when header tank liquid level is relatively low,
The choke cover plate of slab construction is only capable of the most of air of effective cut-off and enters water return pipeline system, can not completely prevent sky
Gas enters water return pipeline system；And there is gap cutout in cooling device backwater, in the case that the water in header tank is all drained,
Resumed water supply in cooling device, when header tank starts to collect backwater again, in the draining stage in beginning, backwater can bring large quantity of air into and enter
Enter in water return pipeline, causing the air content of water suction WIH body increases, and then aggravate the cavitation erosion harm of water circulating pump leaf.
The content of the invention
The purpose of this utility model is to provide a kind of air that can completely cut off to enter the blast furnace use for cooling down circulating backwater system
Header tank.
To achieve the above object, a kind of concrete technical scheme of blast furnace header tank of the present utility model is：
A kind of blast furnace header tank, including the casing of liquid is accommodated, air port return branch, bottom are provided with the top of casing
Portion is provided with water outlet short tube, and sealing outlet component is provided with water outlet short tube, and use is provided with the discharge outlet of water outlet short tube bottom
In the closure of sealing discharge outlet, closure is connected with sealing outlet component, and sealing outlet component is according to the hydraulic pressure band in casing
Dynamic sealing lid it is corresponding away from or contact water outlet short tube bottom discharge outlet controlling the keying of discharge outlet.
Further, the bottom of sealing outlet component is connected with closure, and top is by water filter plate and the inwall of water outlet short tube
It is fixedly connected.
Further, water filter plate is horizontally installed on sealing outlet component.
Further, sealing outlet component includes tubular connecting pole, and connecting pole is connected with water filter plate, is set in connecting pole
There is the expansion link being connected with closure, expansion link can be moved up and down in connecting pole.
Further, spring is provided between expansion link and connecting pole, expansion link adjusts shift position by spring, and drives
Closure is moved up and down.
Further, perforate is provided with the base plate of bottom half, water outlet short tube is fixedly installed on tapping.
Further, sealing outlet component is located in water outlet short tube, is arranged on the center of base plate.
A kind of advantage of blast furnace header tank of the present utility model is：
1) at blast furnace tuyere platform, closure is set, closure is according to the water being subject at water outlet short tube bottom discharge mouthful
Pressure size it is corresponding away from or contact water outlet short tube bottom discharge outlet, realize the keying of control discharge outlet, the utility model energy
Enough air of cut-off completely enter in cooling circulating backwater system, improve the state of circulating backwater water flow in pipeline, make circulating backwater
Mixing wastewater with air stream in pipeline changes into the unidirectional pressure flow state of full packages water, and the air content in backwater is reduced, it is to avoid gas occurs
Resistance and spilling water phenomenon；
2) air content in pumping plant absorbing well, absorption well water body is reduced in cooling circulating backwater system, it is to avoid mixed in circulation pomp impeller
Enter gas and cavitation occur, extend the service life of water pump and circulating line, to the long-lived operation of blast furnace system equipment compared with
It is meaningful；
3) simple structure, convenient management, manufacturing technology difficulty are small, can be in the open circuit nothing of industrial enterprise's recirculating cooling water system
Push back and promoted the use of in water lines.
Brief description of the drawings
Fig. 1 is the structural representation of blast furnace header tank of the present utility model；
Fig. 2 is the structural representation for sealing Nozzle assemblies of the present utility model.
Specific embodiment
In order to be better understood by the purpose of this utility model, structure and function, below in conjunction with the accompanying drawings, to of the present utility model
A kind of blast furnace header tank does further detailed description.
As depicted in figs. 1 and 2, it is shown as a kind of blast furnace header tank of the present utility model, is widely used in industrial enterprise
Without pushing back in water lines, blast furnace header tank includes accommodating the casing 1 of liquid to the open circuit of recirculating cooling water system, casing 1
Top is provided with air port return branch 9, and bottom is provided with water outlet short tube 4, water outlet short tube 4 and is provided with sealing outlet component, goes out
The closure 7 for sealing discharge outlet is provided with the discharge outlet of the bottom of water short tube 4, closure 7 is connected with sealing outlet component,
Sealing outlet component according to the hydraulic pressure in casing 1 drive closure 7 away from or the bottom of contact water outlet short tube 4 discharge outlet to control
The keying of discharge outlet.Specifically, the hydraulic pressure of certain water level can promote closure to move in casing 1, and closure 7 is by sealing
The compression situation of outlet component it is corresponding away from or the bottom of contact water outlet short tube 4 discharge outlet to control the keying of discharge outlet, go out
The closure 7 that the bottom of water short tube 4 is used to seal discharge outlet receives the effect of larger hydraulic pressure, moves down, closure 7 no longer with go out
The bottom contact of water short tube 4, water is discharged from the discharge outlet of the bottom of water outlet short tube 4 naturally in casing.
Further, the bottom of sealing outlet component is connected with closure 7, and top is interior with water outlet short tube 4 by water filter plate 5
Wall is fixedly connected, and the mode being fixedly connected can be using welding, and water filter plate 5 is horizontally installed on sealing outlet component, is in poroid
Round plate, water can pass through from the perforate in water filter plate 5, then be discharged in the drain stub 4 for passing through the lower box part that catchments.
Further, sealing outlet component includes tubular connecting pole 3, and connecting pole 3 is connected with water filter plate 5, in connecting pole 3
Be provided with the expansion link 6 being connected with closure 7, expansion link 6 can be moved up and down in connecting pole 3, expansion link 6 and connecting pole 3 it
Between be provided with spring 8, expansion link 6 adjusts shift position by the compression situation of spring 8, and drives closure 7 to move up and down.Tool
For body, when closure 7 is subject to certain hydraulic pressure to act in water outlet short tube 4, closure 7 drives expansion link 6 to move down, spring
8 are in compressive state,
When spring 8 is in compressive state, the boss at the top of expansion link 6 is touched with the bottom connection of connecting pole, when spring 8 is extensive
When restoring shape, expansion link drives closure 7 to be in contact with the lower surface of water outlet short tube 4 and cover the lower surface of water outlet short tube.
Further, perforate is provided with the base plate 2 of the bottom of casing 1, water outlet short tube 4 is fixedly installed on tapping, seals
Water assembly is located in water outlet short tube 4, is arranged on the center of base plate 2.Wherein, casing 1 is made of metal, it is preferred to use steel
Material, shape is rectangular.
Further, closure 7 is provided with rubber sheet gasket with the junction of water outlet short tube 4.
A kind of course of work of blast furnace header tank of the present utility model is described below in conjunction with the accompanying drawings：
Sealing outlet component at header tank lower drain port controls oneself of discharge outlet by the height of liquid level of header tank
Dynamic opening-closing process, when the height of liquid level in casing 1 rise to up to box height more than half when, closure 7 is subject to liquid in casing 1
The effect of position hydraulic pressure, closure 7 drives the expansion link 6 in connecting pole 3 to move down, for sealing water outlet short tube bottom discharge mouthful
Closure no longer seal discharge outlet, then discharge outlet is opened, and starts to discharge the recirculated water in tuyere device return branch 9.
When the height of liquid level in casing 1 drops to tank height below 20%, liquid downward pressure is less than close in casing 1
In envelope outlet component during the upward elastic force of spring 8, closure 7 is moved upward to and is in contact with the lower surface of water outlet short tube 4, again
Discharge outlet to water outlet short tube bottom is sealed, then discharge outlet is closed, stops draining.The situation of low liquid level is in header tank
Under, closure 7 is pulled upwardly by the elastic reaction of spring 8 for the lower surface for covering water outlet short tube 4.
Cooling device is overhauled, and when recirculated cooling water stops circulation, liquid keeps certain liquid level, cooling in header tank
Before equipment recovers cooling water supply again, header tank discharge outlet is in the state of water-stop all the time, drainpipe is in watertight all the time
Draining under envelope state, has completely cut off air and has entered into cooling water body completely.
The utility model at blast furnace tuyere platform, water outlet short tube bottom discharge mouthful place setting closure, closure according to
The size of hydraulic pressure away from or contact water outlet short tube bottom discharge outlet, realize the keying of control discharge outlet, can completely separate sky
Gas enters in cooling circulating backwater system, improves the state of circulating backwater water flow in pipeline, makes the air water in circulating backwater pipeline
Mixed flow changes into the unidirectional pressure flow state of full packages water, and the air content in backwater is reduced, it is to avoid vapour lock and spilling water phenomenon occur；
Air content in pumping plant absorbing well, absorption well water body in reduction cooling circulating backwater system, it is to avoid entrained gas occurs in circulation pomp impeller
Cavitation, extends the service life of water pump and circulating line, and the long-lived operation to blast furnace system equipment is more meaningful；This reality
It is small with new blast furnace header tank simple structure, convenient management, manufacturing technology difficulty, can be in industrial enterprise's circulating cooling water system
The open circuit of system promoted the use of in water lines without being pushed back.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to spirit and scope of the present utility model, and one of ordinary skilled in the art is readding
The various modifications made to above-described embodiment after reader specification, belong to the scope that the utility model is protected.
Claims (7)
1. a kind of blast furnace header tank, it is characterised in that the casing (1) including accommodating liquid, casing is provided with the top of (1)
Air port return branch (9), bottom is provided with water outlet short tube (4), water outlet short tube (4) and is provided with sealing outlet component, and water outlet is short
The closure (7) for sealing discharge outlet, closure (7) and sealing outlet component phase are provided with the discharge outlet for managing (4) bottom
Even, sealing outlet component according to the hydraulic pressure in casing (1) drive closure (7) corresponding away from or contact water outlet short tube (4) bottom
The discharge outlet in portion is controlling the keying of discharge outlet.
2. blast furnace header tank according to claim 1, it is characterised in that the bottom of sealing outlet component and closure
(7) it is connected, top is fixedly connected by water filter plate (5) with the inwall of water outlet short tube (4).
3. blast furnace header tank according to claim 2, it is characterised in that water filter plate (5) is horizontally installed on sealing water outlet
On component.
4. the blast furnace header tank according to Claims 2 or 3, it is characterised in that sealing outlet component includes tubular
Connecting pole (3), connecting pole (3) is connected with water filter plate (5), and the expansion link being connected with closure (7) is provided with connecting pole (3)
(6), expansion link (6) can be moved up and down in connecting pole (3).
5. blast furnace header tank according to claim 4, it is characterised in that set between expansion link (6) and connecting pole (3)
There is spring (8), expansion link (6) adjusts shift position by spring (8), and drives closure (7) to move up and down.
6. blast furnace header tank according to claim 1, it is characterised in that be provided with the base plate (2) of casing (1) bottom
Perforate, water outlet short tube (4) is fixedly installed on tapping.
7. blast furnace header tank according to claim 6, it is characterised in that sealing outlet component is located at water outlet short tube (4)
It is interior, it is arranged on the center of base plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314132.2U CN206188830U (en) | 2016-12-02 | 2016-12-02 | Header tank for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314132.2U CN206188830U (en) | 2016-12-02 | 2016-12-02 | Header tank for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206188830U true CN206188830U (en) | 2017-05-24 |
Family
ID=58723408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621314132.2U Active CN206188830U (en) | 2016-12-02 | 2016-12-02 | Header tank for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206188830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155473A (en) * | 2019-12-27 | 2020-05-15 | 长沙普罗科环境装备有限责任公司 | Motor sweeper and water tank system thereof |
-
2016
- 2016-12-02 CN CN201621314132.2U patent/CN206188830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155473A (en) * | 2019-12-27 | 2020-05-15 | 长沙普罗科环境装备有限责任公司 | Motor sweeper and water tank system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 014010 45 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee after: Alex Hua Tian Baotou design and Research Institute Co., Ltd. Address before: 014010 45 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee before: MCC Dongfang Holding Co Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 014010 45 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee after: Zhongye Northwest Engineering Technology Co., Ltd. Address before: 014010 45 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee before: Alex Hua Tian Baotou design and Research Institute Co., Ltd. |