CN202246725U - Pressure balancing device applicable to warm air pipe end part of blast furnace hot blast stove - Google Patents
Pressure balancing device applicable to warm air pipe end part of blast furnace hot blast stove Download PDFInfo
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- CN202246725U CN202246725U CN2011203426116U CN201120342611U CN202246725U CN 202246725 U CN202246725 U CN 202246725U CN 2011203426116 U CN2011203426116 U CN 2011203426116U CN 201120342611 U CN201120342611 U CN 201120342611U CN 202246725 U CN202246725 U CN 202246725U
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- hot air
- pressure
- pipe
- air duct
- balancing
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Abstract
The utility model discloses a pressure balancing device applicable to a warm air pipe end part of a blast furnace hot blast stove, and the key point is that the pressure balancing device includes a pressure guiding pipe (2) with one end connected behind a mixed air cutoff valve (1) of a mixed air pipe, wherein the other end of the pressure guiding pipe (2) is connected with a balance tank (3) with a corrugated pipe (7) arranged at the middle, the center line of the balance tank (3) coincides with that of a hot air pipeline (8), and a pressure balancing pull rod (6) is arranged between the hot air pipeline (8) and the balance tank (3). The pressure balancing device with a simple structure requires no refractory building for the balancing tank, the balancing tank has low and stable temperature, no hole is required to be formed at the end part of the hot air pipeline connected with the balancing tank or a mixed air chamber, and the high-temperature pipe system has stronger structural strength and is safer and more reliable. The balancing device can be applied to the end part of the hot air pipeline as well as between the mixed air chamber and the hot air main pipe for balancing pressure.
Description
Technical field
The utility model relates to a kind of blast funnace hot blast stove, relates in particular to the pressure equalization means of blast funnace hot blast stove pipeline afterbody.
Background technology
The hot air furnace hot air pipeline is because the effect of blind plate power; The hot air duct pull bar need be set; Pull bar can produce destructiveness for guaranteeing that it extends to relevant device and stationary bearing because variation of ambient temperature and recoverable deformation are extended on pipeline, at the pull bar privileged site afterbody corrugated tube need be set and absorb this extension; For guaranteeing pull bar two ends stress equalization, need increase that pressure equalization means is set.Conventional design adopts hot air duct directly all to press; Need in pressure equaliser, build anti-material by laying bricks or stones; Particularly the pressure equaliser of wind mixed chamber back also need be in wind mixed chamber perforate so that realize and the pressure equalization of hot air duct that perforate weakens bigger to the structure of wind mixed chamber.The corrugated tube that balance is used will bear the threat of high wind-warm syndrome, possibly cause corrugated tube string wind, temperature to raise and lost efficacy, and existing generation corrugated tube lost efficacy to disintegrate and causes the instance of heavy losses in the engineering practice.
The utility model content
The purpose of the utility model provides a kind of safe and reliable, the blast funnace hot blast stove hot air duct afterbody pressure equalization means that is applicable to simple in structure.
A kind of blast funnace hot blast stove hot air duct afterbody pressure equalization means that is applicable to; It is characterized in that: said device comprises that an end is connected the pressure guiding pipe after mixing wind tube mixes the wind trip valve; In the middle of being connected to, the other end of pressure guiding pipe is provided with the surge tank of corrugated tube; The medullary ray of surge tank and hot air duct central lines are provided with pull bar between hot air duct and the surge tank.
For the ease of fixing, said surge tank is fixed on the end or wind mixed chamber of hot air duct through the pipe connecting that has ventilation hole.
The utility model anti-material that need not carry out surge tank simple in structure is built by laying bricks or stones, and the temperature of surge tank is low, stable, and the hot air duct end or the wind mixed chamber that are attached thereto do not need perforate, and the structural strength of high temperature piping is higher, more safe and reliable.This equilibrator can be used for the end of hot air duct, and the pressure equilibrium between the wind mixed chamber and the hot blast person in charge.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done and to be further described.
As shown in Figure 1; A kind of blast funnace hot blast stove hot air duct afterbody pressure equalization means that is applicable to; Through pressure guiding pipe 2 cold wind pressure is introduced surge tank 3 from mixing wind trip valve 1 back; Surge tank 3 welds with wind mixed chamber 5 through the pipe connecting 4 of being with ventilation hole but is not communicated with hot air duct 8 central lines after the medullary ray of surge tank 3 and the wind mixed chamber 5.Certainly; Surge tank fixed mode can have a variety of, and such as through modes such as support directly fix on the ground, adopting the fixed form in the present embodiment is optimized scheme; Fixed sturcture is simple, convenient on the one hand; Through the pipe connecting 4 and wind mixed chamber's 5 welding of band ventilation hole, directly do not contact with wind mixed chamber 5 on the other hand, the temperature that has reduced wind mixed chamber influences surge tank.
According to law of connected vessels, though superchargings or reduce pressure in the hot air duct 8, always the pressure in surge tank and the hot air duct 8 is in equal situation.Because pressure equilibrium, pull bar 6 two ends blind plate power are identical, can absorb pull bar through corrugated tube 7 and extend, and the temperature of surge tank 3 is low simultaneously need not build anti-material by laying bricks or stones.
This device adopts the cold wind behind the mixed wind trip valve of introducing mixing wind tube all to press; Cold air duct and hot air duct behind low owing to the cold wind temperature, the mixed wind trip valve are in UNICOM's state forever, so this pressure equaliser is safe and reliable, can reduce construction link simultaneously; Save construction investment; And reduce the pressure equalization means temperature, and improved the safe reliability of equilibrator, prolonged the work-ing life of hot blast piping.
The utility model not only is confined to the pressure equilibrium after the hotblast stove wind mixed chamber, can also be used in hot air duct terminal pressure balance.As shown in Figure 2, what embodiment 2 and embodiment 1 were different is that surge tank 3 links to each other with hot air duct 8 through the pipe connecting that has ventilation hole.
Claims (2)
1. one kind is applicable to blast funnace hot blast stove hot air duct afterbody pressure equalization means; It is characterized in that: said device comprises that an end is connected the pressure guiding pipe (2) after mixing wind tube mixes wind trip valve (1); In the middle of being connected to, the other end of pressure guiding pipe (2) is provided with the surge tank (3) of corrugated tube (7); The medullary ray of surge tank (3) and hot air duct (8) central lines are provided with pressure equilibrium pull bar (6) between hot air duct (8) and the surge tank (3).
2. the blast funnace hot blast stove hot air duct afterbody pressure equalization means that is applicable to as claimed in claim 1 is characterized in that: said surge tank (3) is connected with hot air duct (8) or wind mixed chamber (3) through the pipe connecting that has ventilation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203426116U CN202246725U (en) | 2011-09-14 | 2011-09-14 | Pressure balancing device applicable to warm air pipe end part of blast furnace hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203426116U CN202246725U (en) | 2011-09-14 | 2011-09-14 | Pressure balancing device applicable to warm air pipe end part of blast furnace hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246725U true CN202246725U (en) | 2012-05-30 |
Family
ID=46107996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203426116U Expired - Lifetime CN202246725U (en) | 2011-09-14 | 2011-09-14 | Pressure balancing device applicable to warm air pipe end part of blast furnace hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086273A (en) * | 2016-08-24 | 2016-11-09 | 安徽马钢重型机械制造有限公司 | Blast furnace single-column type air stove detection hot-blast outlet answers power apparatus and application system thereof and method |
| CN106676218A (en) * | 2016-08-24 | 2017-05-17 | 安徽马钢重型机械制造有限公司 | Hot air pipeline displacement control system of blast furnace single-row hot blast stove |
-
2011
- 2011-09-14 CN CN2011203426116U patent/CN202246725U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086273A (en) * | 2016-08-24 | 2016-11-09 | 安徽马钢重型机械制造有限公司 | Blast furnace single-column type air stove detection hot-blast outlet answers power apparatus and application system thereof and method |
| CN106676218A (en) * | 2016-08-24 | 2017-05-17 | 安徽马钢重型机械制造有限公司 | Hot air pipeline displacement control system of blast furnace single-row hot blast stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |