CN101603165B - Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates - Google Patents
Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates Download PDFInfo
- Publication number
- CN101603165B CN101603165B CN200910181668XA CN200910181668A CN101603165B CN 101603165 B CN101603165 B CN 101603165B CN 200910181668X A CN200910181668X A CN 200910181668XA CN 200910181668 A CN200910181668 A CN 200910181668A CN 101603165 B CN101603165 B CN 101603165B
- Authority
- CN
- China
- Prior art keywords
- pipe
- pressure adjusting
- valve
- adjusting device
- process furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a pressure adjusting device for a radiation pipe of a heating furnace in production of hot galvanized plates, and belongs to the technical field of accessories for furnaces. The heating furnace comprises a furnace body and radiation pipes which are arranged in a hearth of the furnace body at intervals; a waste gas exhaust port of an exhaust pipe of the radiation pipe is matched with a connector of the waste gas exhaust pipe and extends into the connector; the pressure adjusting device for the radiation pipe comprises a junction pipe and a pressure adjusting valve; one end of the junction pipe is connected with the exhaust pipe and communicated with the exhaust pipe; the pressure adjusting valve is fixed at the other end of the junction pipe in a suspended state; and the waste gas exhaust port and the connector are sealed by a sealing plate. The pressure adjusting device has the advantages that the device meets the requirement of negative pressure stabilization in the radiation pipes by the on and off change of the pressure adjusting valve under the action of a negative pressure blower of the waste gas exhaust pipe, and has ideal energy-saving effect.
Description
Technical field
The invention belongs to stove and use the attachment technique field, be specifically related to the pressure adjusting device for radiation pipe of the process furnace in a kind of heat zinc coating plate production.
Background technology
As the industry's knowledge of the reason, the radiator tube of process furnace belongs to the indirect heating parts or claims the indirect heating facility, combustion gas and combustion air are in airtight radiator tube internal-combustion, the tube wall of radiator tube is heated up, radiations heat energy simultaneously outwards, thus make in the process furnace of passing through and in the galvanized sheet heating that is between the radiator tube of opposed state up and down.Why adopting the radiator tube radiation heating, is because avoid combustion atmosphere to influence galvanized sheet.
The air feed of above-mentioned radiator tube (burning gas is provided) adopts bulging suction formula usually with exhaust mode, promptly in radiator tube, send into combustion air with gas blower or similar device, and be used for the waste gas in the radiator tube is drawn the induced draft fan of (extraction) or claimed negative-pressure air fan in the configuration of the exit of radiator tube in the ingress of radiator tube.Aforesaid two kinds of devices (gas blower and induced draft fan) act synergistically and make the tube chamber of radiator tube keep negative pressure state, so that extraneous atmosphere can only enter radiator tube, and the atmosphere in the radiator tube can not be let out the burner hearth to process furnace.This be because, be reducing atmosphere in the burner hearth, as nitrogen, hydrogen and oxygen (≤100ppm), then be incendiary atmosphere such as oxygen, carbon monoxide, carbonic acid gas or the like in the radiator tube.The negative pressure value of aforesaid negative pressure necessarily requires to be stabilized in certain numerical range, so-calledly is stabilized in certain numerical range and is meant: do not fluctuate with the variation of combustion air in the radiator tube and gas flow.
At present, known be being used for of widely using of heat zinc coating plate production firm ensure the negative pressure in the radiator tube concrete technical measures as shown in Figure 2, on exhaust pipe 1, receive interface 11, the quantity of interface 11 is to equate with the quantity of radiator tube 2, the Waste gas outlet 211 of the vapor pipe 21 of radiator tube 2 is insinuated in the interface 11, and make the external diameter of the diameter (internal diameter) of interface 11 greater than vapor pipe 21, misunderstand each other so that make to keep between the Waste gas outlet 211 of vapor pipe 21 and the interface 11, satisfied the also requirement of a part of cool ambient air of inspiration in the waste gas that the Waste gas outlet 211 by vapor pipe 21 of negative-pressure air fan in extracting exhaust pipe 1 discharge by the existence in road, crack.More particularly, when effusive exhaust gas flow reduced in the radiator tube 2, then the freezing air that sucks from road, described crack was just some more, thereby got so that the unlikely rising of negative pressure absolute value in the radiator tube 2; Otherwise when effusive exhaust gas flow increased in the radiator tube 2, then the outside air that sucks from the road, crack was just less, so that make the unlikely reduction of negative pressure absolute value in the radiator tube 2.As seen road, aforesaid crack has played the effect of often driving air control valve in fact, and it is stable to use the negative pressure value that ensures in the radiator tube 2.
Because said structure or title measure are very easy, and objectively can satisfy service requirements, thereby nobody proposed any query to it all the time for a long time.But, analyze through the applicant, said structure exists the problem that wastes energy in fact, no matter because the aforesaid road, crack that is formed between Waste gas outlet 211 and the interface 11 is constant under which kind of situation, more particularly often open, therefore under the effect of the negative-pressure air fan on the pipeline of waste gas comb 1, can suck extraneous air all along, the temperature that enters into the used heat air (waste gas) in the exhaust pipe 1 is descended.And as the production firm of heat zinc coating plate, the used heat air that does not almost need exceptionally to come from exhaust pipe 1 is used, for example the used heat air is caused heat exchanger and obtain hot water, again hot water is used for matting of galvanizing board production technology or the like.Yet, because of sucking outside air by the road, crack all the time, cause the used heat air themperature significantly to descend, lost the value that effectively utilizes waste heat, perhaps the used heat air utilization ratio is not high, and this runs counter to saving type, spirit energy-saving and recycling economy that the present whole society advocates.
In view of this, be necessary that the radiator tube pressure to the process furnace in the heat zinc coating plate production in the prior art is adjusted mode to be improved, technical scheme described below produces under aforesaid background.
Summary of the invention
Task of the present invention is to provide a kind of negative regulation that can guarantee in the radiator tube, can ensure that again the used heat air is fully used and uses the pressure adjusting device for radiation pipe of the process furnace of the heat zinc coating plate that embodies save energy in producing.
Task of the present invention is finished like this, the pressure adjusting device for radiation pipe of the process furnace during a kind of heat zinc coating plate is produced, described process furnace comprises body of heater and is disposed on the interior radiator tube of burner hearth of body of heater, the Waste gas outlet of the vapor pipe of radiator tube matches with the interface of exhaust pipe and is insinuated in the interface, described pressure adjusting device for radiation pipe comprises a junction pipe and a pressure regulator valve, one end of junction pipe connects with described vapor pipe and communicates with vapor pipe, pressure regulator valve with the state of suspending be fixed on the other end of junction pipe; Seal by shrouding between described Waste gas outlet and the described interface.
In a specific embodiment of the present invention, described pressure regulator valve comprises valve body, valve gap and valve, valve body and described junction pipe are fixed, valve gap and valve body connect, the valve cover cavity of valve gap communicates with the valve body chamber of valve body, and the valve body chamber communicates with the tube chamber of junction pipe, and the valve pivot is arranged in the valve cover cavity and corresponding to the inlet mouth of valve gap.
In another specific embodiment of the present invention, the shape of described valve body is bell shape.
In another specific embodiment of the present invention, the docked mode that described valve gap and valve body connect is that screw thread connects.
In another specific embodiment of the present invention, the bind mode that described valve body and junction pipe connect is spiral marking connection or welded connection.
Go back in the specific embodiment of the present invention, the global shape of described junction pipe is
Shape.
More of the present invention and in specific embodiment, the diameter of described junction pipe is littler than the diameter of described vapor pipe.
In of the present invention and then specific embodiment, described radiator tube is crooked.
Of the present invention again more and in specific embodiment, describedly be bent into the U-shaped bending.
Technical scheme provided by the present invention is because the junction pipe that continued on the pipeline of vapor pipe, and be provided with pressure regulator valve on the junction pipe and make the Waste gas outlet of vapor pipe and the interface of exhaust pipe between adopt the shrouding sealing, thereby under the effect of the negative-pressure air fan of exhaust pipe, keying by pressure regulator valve changes the requirement of satisfying the negative regulation in the radiator tube, change prior art and easily caused entering into the situation of the waste gas air temperature reduction activation source waste in the exhaust pipe, thereby had the ideal energy-saving effect.
Description of drawings
Fig. 1 is a specific embodiment structure iron of the present invention.
Fig. 2 is the synoptic diagram that the Waste gas outlet of the vapor pipe of the radiator tube in the prior art matches with the interface of exhaust pipe.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Ask for an interview Fig. 1, because those of skill in the art are not strange to the structure and the effect of process furnace in the heat zinc coating plate production and radiator tube, so the applicant only shows the part of process furnace in Fig. 1, and radiator tube also only shows two unit.General knowledge known to the foundation, in the burner hearth 31 of the body of heater 3 of process furnace and along the length direction of burner hearth 31, radiator tube 2 with the U-shaped bending is set at interval preferably, combustion gas is introduced the tube chamber burning that parts 22 are introduced radiator tube 2 by combustion gas, and the vapor pipe 21 that be positioned at burner hearth 31 outside of used heat air through continuing on radiator tube 2 that is produced by burning in the radiator tube 2 drains into exhaust pipe 1, on exhaust pipe 1, receive the interface 11 that quantity equates with the quantity of vapor pipe 21, the Waste gas outlet 211 of delivery pipe 21 is insinuated in the interface 11, for example make vapor pipe 21 successfully the used heat air be introduced exhaust pipe 1 under the effect of negative-pressure air fan at the negative pressure device that is disposed on the exhaust pipe 1, make radiator tube 2 be in described negative pressure state all the time simultaneously.
Please continue to see Fig. 1, as the technical essential of technical scheme of the present invention, the pressure adjusting device for radiation pipe of recommendation comprises junction pipe 4 and pressure regulator valve 5, and the preferred shape of junction pipe 4 is
Shape or claim L shapedly, an end connects with vapor pipe 21 and communicates with vapor pipe 21, and the other end voltage supply force regulating valve 5 of junction pipe 4 connects.The diameter of junction pipe 4 is littler than vapor pipe 21.Preferably but not the structure of the pressure regulator valve 5 that definitely is limited to is as follows, the shape of a valve body 51 is tending towards bell shape, and the top of valve body 51 connects with mode and the junction pipe 4 that screw thread connects; The mode that one valve gap 52 connects with screw thread and the bottom of valve body 51 connect; One valve, 53 usefulness pivots 531 are hinged in the valve cover cavity 521 of valve gap 52, and corresponding with the inlet mouth 522 of valve gap 52.When valve 53 is opened, outside air enters valve cover cavity 521 from inlet mouth 522, and then enter vapor pipe 21 through the valve body chamber 511 of valve body 51 and the tube chamber of junction pipe 4, together enter exhaust pipe 1 with the used heat air that come from radiator tube 2 in the vapor pipe 21 through Waste gas outlet 211.Valve 53 is essentially a movable iron plate, and its deadweight can have various removable specifications.Under normal circumstances, for example the negative pressure in the radiator tube 2 is in just often, and then with inlet mouth 522 sealings, outside air can not enter valve 53 by its deadweight.And when the negative pressure absolute value in the radiator tube 2 is high, that is to say, when the pressure reduction that rises to internal pressure and outside air when negative pressure absolute value in the radiator tube 2 is enough to valve 53 backed down, then valve 53 is opened, outside air is entered exhaust pipe 1, because negative pressure device such as negative-pressure air fan that exhaust pipe 1 is disposed weaken because of the suction force of inspiration outside air to radiator tube 2 inside, thereby guaranteed that the unlikely continuation of negative pressure absolute value raises in the radiator tube 2, vice versa.As seen, under the situation that suction force is constant substantially and external atmospheric pressure is constant of the negative-pressure air fan of exhaust pipe 1, negative pressure absolute value in the radiator tube 2 constitutes proportional relation basically with the weight of valve 53, and the weight of regulated valve 53 is the absolute value of the interior negative pressure of may command radiator tube 2 just.So just can reduce the purpose that the situation that sucks outside air is issued to stable control and adjusts the negative pressure in the radiator tube 2 to greatest extent, the used heat air that enters in the exhaust pipe 1 is not shown blindly to be reduced because of entering of outside air makes temperature, thereby can improve the utilising efficiency of used heat air, embody energy-conservation.Because the radiation heating mode of 2 pairs of heat zinc coating plates of radiator tube belongs to prior art, therefore, the applicant is no longer illustrated.
Claims (9)
1. the pressure adjusting device for radiation pipe of the process furnace during a heat zinc coating plate is produced, described process furnace comprises body of heater (3) and is disposed on the interior radiator tube (2) of burner hearth (31) of body of heater (3), the Waste gas outlet (211) of the vapor pipe (21) of radiator tube (2) matches with the interface (11) of exhaust pipe (1) and is insinuated in the interface (11), it is characterized in that described pressure adjusting device for radiation pipe comprises a junction pipe (4) and a pressure regulator valve (5), one end of junction pipe (4) and described vapor pipe (21) connect and communicate with vapor pipe (21), pressure regulator valve (5) with the state of suspending be fixed on the other end of junction pipe (4); Part between described Waste gas outlet (211) and the described interface (11) is sealed by shrouding (2111).
2. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 1 is produced, it is characterized in that described pressure regulator valve (5) comprises valve body (51), valve gap (52) and valve (53), valve body (51) is fixing with described junction pipe (4), valve gap (52) connects with valve body (51), the valve cover cavity (521) of valve gap (52) communicates with the valve body chamber (511) of valve body (51), and valve body chamber (511) communicate with the tube chamber of junction pipe (4), and valve (53) pivot is arranged in the valve cover cavity (521) and corresponding to the inlet mouth (522) of valve gap (52).
3. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 2 is produced is characterized in that the shape of described valve body (51) is bell shape.
4. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 2 is produced is characterized in that the docked mode that described valve gap (52) and valve body (51) connect is that screw thread connects.
5. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 2 is produced is characterized in that described valve body (51) and the bind mode that junction pipe (4) connects are spiral marking connection or welded connection.
6. according to the pressure adjusting device for radiation pipe of the process furnace in claim 1 or the 2 or 5 described heat zinc coating plates productions, it is characterized in that the global shape of described junction pipe (4) is
Shape.
7. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 1 is produced is characterized in that the diameter of described junction pipe (4) is littler than the diameter of described vapor pipe (21).
8. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 1 is produced is characterized in that described radiator tube (2) is crooked.
9. the pressure adjusting device for radiation pipe of the process furnace during heat zinc coating plate according to claim 8 is produced is characterized in that the described U-shaped bending that is bent into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910181668XA CN101603165B (en) | 2009-07-27 | 2009-07-27 | Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910181668XA CN101603165B (en) | 2009-07-27 | 2009-07-27 | Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101603165A CN101603165A (en) | 2009-12-16 |
| CN101603165B true CN101603165B (en) | 2010-10-06 |
Family
ID=41469064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910181668XA Active CN101603165B (en) | 2009-07-27 | 2009-07-27 | Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101603165B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798668B (en) * | 2010-04-02 | 2012-01-25 | 山西榆次远大线材制品有限公司 | Zinc-plating liquid internal heating device and heating method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88103192A (en) * | 1987-05-26 | 1988-12-14 | 日本锅炉工业株式会社 | Radiant tube burner |
| CN2405115Y (en) * | 1999-12-29 | 2000-11-08 | 上海宝钢集团公司 | Radiation tube indirection heating arrangement |
| CN1583615A (en) * | 2004-06-03 | 2005-02-23 | 赵雁 | Glass sheet heating furnaces |
-
2009
- 2009-07-27 CN CN200910181668XA patent/CN101603165B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88103192A (en) * | 1987-05-26 | 1988-12-14 | 日本锅炉工业株式会社 | Radiant tube burner |
| CN2405115Y (en) * | 1999-12-29 | 2000-11-08 | 上海宝钢集团公司 | Radiation tube indirection heating arrangement |
| CN1583615A (en) * | 2004-06-03 | 2005-02-23 | 赵雁 | Glass sheet heating furnaces |
Non-Patent Citations (2)
| Title |
|---|
| JP昭55-66729A 1980.05.20 |
| JP特开平11-14016A 1999.01.22 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101603165A (en) | 2009-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106152486A (en) | A kind of energy-saving combustion unattended boiler | |
| CN101603165B (en) | Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates | |
| CN201473581U (en) | Radiant tube pressure-adjusting device of heating furnace during manufacturing hot dip galvanized sheet | |
| CN208269677U (en) | A kind of energy saving and environment friendly natural gas smelting furnace | |
| CN107574273A (en) | Blast-furnace hot-air system temperature regulation and control method and apparatus based on plasma heating | |
| CN110860378A (en) | Hot air blowing system for electric dust remover | |
| CN109579280A (en) | A kind of adaptive gas heater | |
| CN209101810U (en) | A kind of ignition furnace using waste heat | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN206219496U (en) | A kind of retort with waste heat recovery | |
| CN203999383U (en) | Low-temperature decomposition and high temperature sintering all-in-one oven | |
| CN209688841U (en) | A kind of resistance to thermal evaporation preheating burner | |
| CN206222306U (en) | Heating furnace coal gas burner device | |
| CN202216394U (en) | Combustion gas heating system | |
| CN216925114U (en) | Tunnel kiln with secondary air temperature-adjusting burner for smoke discharge zone | |
| CN205448271U (en) | Negative pressure is counter burns energy -conserving stove | |
| CN211695356U (en) | Efficient energy-saving gas water heating equipment | |
| CN205919317U (en) | Coal fired boiler coal pulverizer gas recirculation system | |
| CN216244395U (en) | Device for recovering low-pressure steam waste heat | |
| CN210533023U (en) | Smelting pot temperature control device for aluminum alloy production | |
| CN2401552Y (en) | Intermittently producted gas generating furnace | |
| CN218763990U (en) | Temperature-adjustable hot blast stove | |
| CN207176019U (en) | A kind of annealing furnace | |
| CN211587067U (en) | Hot air blowing system for electric dust remover | |
| CN2581900Y (en) | Fan built-in type heat pipe hot-air stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20161010 Granted publication date: 20101006 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170410 Granted publication date: 20101006 |