CN205424874U - Sintering is steam -water system for exhaust -heat boiler - Google Patents
Sintering is steam -water system for exhaust -heat boiler Download PDFInfo
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- CN205424874U CN205424874U CN201620105603.2U CN201620105603U CN205424874U CN 205424874 U CN205424874 U CN 205424874U CN 201620105603 U CN201620105603 U CN 201620105603U CN 205424874 U CN205424874 U CN 205424874U
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Abstract
The utility model discloses a sintering is steam -water system for exhaust -heat boiler, include and follow the supreme feed water preheater that sets gradually, low pressure evaporimeter, high -pressure economizer, high pressure evaporator and over heater down to and a high -pressure drum and a low pressure pot section of thick bamboo, a low pressure pot section of thick bamboo include the low pressure barrel and the oxygen -eliminating device of low pressure barrel top intercommunication, the high pressure drum includes high -pressure barrel, the over heater cross sectional area on the horizontal cross -section be less than the feed water preheater the low pressure evaporimeter high -pressure economizer with the cross sectional area of high pressure evaporator on the horizontal cross -section, the entrance point intercommunication of oxygen -eliminating device the feed water preheater, the exit end of oxygen -eliminating device divide into two the tunnel, all the way the intercommunication the low pressure evaporimeter communicates in addition all the way high -pressure economizer, the high -pressure economizer intercommunication the high pressure barrel, high pressure barrel intercommunication high pressure evaporator with the over heater, over heater intercommunication desuperrheater, desuperrheater connected set vapour collection case.
Description
Technical field
This utility model relates to a kind of sintering exhaust-heat boiler boiler circuit.
Background technology
Existing sintering waste heat generating system is that sintering flue gas generates electricity by directly producing overheated main steam pushing turbine after residual heat boiler for exchanging heat, is primarily present problems with:
First, waste heat boiler input gas temperature is low, and the superheated steam pressure and temperature that waste heat boiler produces is the most relatively low, and generating efficiency is low；
Second, sintering process changes, and smoke temperature change is frequent, causes Turbo-generator Set frequent starting；
3rd, winter-spring season ambient temperature is low causes sintering flue-gas temperature low, and the superheat steam temperature that waste heat boiler produces does not reaches minimum throttle (steam) temperature that steam turbine requires and by forced-stopping machine, makes sintering waste heat be not fully utilized；
4th, carry out afterburning in exhaust-heat boiler flue gas import and improve flue-gas temperature, although generating capacity can be improved, but a large amount of external energy resource consumption need to be increased.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of sintering exhaust-heat boiler boiler circuit is provided, which constitute the system of a pressurized operation, avoid cold air leaks into the inefficient problem of the waste heat recovery caused, and also ensure that the heat exchanger effectiveness of feed water preheater, low pressure evaporator, high-pressure economizer, high pressure evaporator and superheater simultaneously.
A kind of technical scheme realizing above-mentioned purpose is: a kind of sintering exhaust-heat boiler boiler circuit, including the feed water preheater set gradually from bottom to up, low pressure evaporator, high-pressure economizer, high pressure evaporator and superheater, and high pressure drum and low pressure drum；
Described low pressure drum include low pressure cylinder and described low pressure cylinder top connection oxygen-eliminating device；Described high pressure drum includes high pressure barrel；
Described superheater area of section on horizontal cross-section is less than described feed water preheater, described low pressure evaporator, described high-pressure economizer and described high pressure evaporator area of section on horizontal cross-section；
The entrance point of described oxygen-eliminating device connects described feed water preheater, the port of export of described oxygen-eliminating device is divided into two-way, one tunnel connects described low pressure evaporator, an other road connects described high-pressure economizer, described high-pressure economizer connects described high pressure barrel, described high pressure barrel connects described high pressure evaporator and described superheater, described superheater connection attemperator, described attemperator connected set vapour header.
Further, described low pressure evaporator is provided with two-stage heating surface from top to bottom, and described high pressure evaporator is provided with three grades of heating surfaces from top to bottom；And described feed water preheater, the heating surfaces at different levels of described low pressure evaporator, described high-pressure economizer, the heating surfaces at different levels of described high pressure evaporator and described superheater are all made up of import header, tube bank and described outlet header.
Further, the tube bank of described feed water preheater, described low pressure evaporator, described high-pressure economizer, described high pressure evaporator and described superheater all uses hoop finned tube.
Further, described feed water preheater, described low pressure evaporator and described superheater are attached separately in a bobbin carriage module, described high pressure evaporator end face two-stage heating surface is positioned at a bobbin carriage module, and described high pressure evaporator bottom surface one-level heating surface and described high pressure evaporator are positioned at another one bobbin carriage module.
Further, the sole arrangement of described feed water preheater and described low pressure evaporator has shock wave soot blower.
Further, it is equipped with, in described high pressure barrel and described low pressure cylinder, primary separator, secondary wave shape plate separator and the even water hole plate set gradually from bottom to up.
Further, between described high pressure drum is by the connection high pressure dosing of high pressure chemical feed pipe, described low pressure drum is connected between described low pressure chemical adding by low pressure chemical adding pipe.
Further, it is connected between described high pressure barrel with described oxygen-eliminating device and has saturated vapor to oxygen-eliminating device pipe.
Further, described attemperator diminishes to described collection vapour header side with the diameter of described collection vapour header connectivity part.
Have employed the technical scheme of a kind of sintering exhaust-heat boiler boiler circuit of the present utility model, including the feed water preheater set gradually from bottom to up, low pressure evaporator, high-pressure economizer, high pressure evaporator and superheater, and high pressure drum and low pressure drum；Described low pressure drum include low pressure cylinder and described low pressure cylinder top connection oxygen-eliminating device；Described high pressure drum includes high pressure barrel；Described superheater area of section on horizontal cross-section is less than described feed water preheater, described low pressure evaporator, described high-pressure economizer and described high pressure evaporator area of section on horizontal cross-section；The entrance point of described oxygen-eliminating device connects described feed water preheater, the port of export of described oxygen-eliminating device is divided into two-way, one tunnel connects described low pressure evaporator, an other road connects described high-pressure economizer, described high-pressure economizer connects described high pressure barrel, described high pressure barrel connects described high pressure evaporator and described superheater, described superheater connection attemperator, described attemperator connected set vapour header.It has the technical effect that, which constitute the system of a pressurized operation, avoid cold air leaks into the inefficient problem of the waste heat recovery caused, and also ensure that the heat exchanger effectiveness of feed water preheater, low pressure evaporator, high-pressure economizer, high pressure evaporator and superheater simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of sintering exhaust-heat boiler.
Fig. 2 is that the C-C of Fig. 1 is to generalized section.
Fig. 3 is the D direction view of Fig. 1.
The top view of Fig. 4 sintering exhaust-heat boiler.
Fig. 5 is the high pressure drum side schematic diagram of a kind of sintering exhaust-heat boiler boiler circuit of the present utility model.
Fig. 6 is the piping diagram of sintering exhaust-heat boiler.
Fig. 7 is that the A of Fig. 6 is to sectional view.
Fig. 8 is the B direction view of Fig. 6.
Fig. 9 is the schematic diagram of the low pressure drum of sintering exhaust-heat boiler.
Detailed description of the invention
Referring to Fig. 1, inventor of the present utility model is in order to enable preferably to understand the technical solution of the utility model, below by specifically embodiment, and combines accompanying drawing and is described in detail:
A kind of sintering exhaust-heat boiler of this utility model is the visual plant reclaiming sintering feed waste heat in sintering machine of steel mill afterheat generating system.
A kind of sintering exhaust-heat boiler of the present utility model includes steelframe 100 and exhaust gases passes 6, is sequentially provided with feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and superheater 5 from bottom to up along steelframe 100.Wherein, the superheater 5 area of section on horizontal cross-section is less than feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3 and the high pressure evaporator 4 area of section on horizontal cross-section.Therefore exhaust gases passes 6 is divided into two-way in import department, one tunnel is the high-temperature flue gas import 61 sequentially passing through superheater 5, high pressure evaporator 4, high-pressure economizer 3, low pressure evaporator 2 and feed water preheater 1, and a road is the low-temperature flue gas import 62 sequentially passing through high pressure evaporator 4, high-pressure economizer 3, low pressure evaporator 2 and feed water preheater 1.Exhaust gases passes 6 is additionally provided with a two-way exhanst gas outlet 63, and two-way exhanst gas outlet 63 is positioned at the lower section of feed water preheater 1, and connects with high-temperature flue gas import 61 and low-temperature flue gas import 62 simultaneously.
Such design, based on sintering waste heat EGT variation characteristic, uses segmentation recovery to recycle with step, arranges heating surface and change endless form, boiler operatiopn reliability is greatly improved.
Wherein, high pressure evaporator 4 is divided into the three grades of heating surfaces set gradually from bottom to up, and low pressure evaporator 2 is divided into the two-stage heating surface set gradually from bottom to up.Feed water preheater 1, high-pressure economizer 3 and superheater 5 are all provided only with one-level heating surface.Feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and superheater 5 all have employed the structure of bobbin carriage module, greatly reduce on-site installation work amount.In wherein high pressure evaporator 4 top two-stage heating surface is arranged in a bobbin carriage module, bottom high pressure evaporator 4, one-level heating surface and high-pressure economizer 3 are arranged in same bobbin carriage module.
Superheater 5, the heating surfaces at different levels of high pressure evaporator 4, high-pressure economizer 3, the heating surfaces at different levels of low pressure evaporator 2 and feed water preheater 1 are all by being positioned at the import header of soda pop entrance point, restraining and be positioned at what the outlet header of the soda pop port of export formed.
The bottom of steelframe 100 is provided with between feedwater 104, between the high pressure dosing that the middle part of steelframe 100 is provided with and feed water preheater 1 is contour between 102 and low pressure chemical adding 103, steelframe 100 is additionally provided with staircase 101.
The top of steelframe 100 is provided with the high pressure drum being positioned at high-temperature flue gas import 61 side, and is positioned at the low pressure drum of low-temperature flue gas import 62 side.
Wherein said low pressure drum includes low pressure cylinder 8 and is plugged on the oxygen-eliminating device 9 at low pressure cylinder 8 top.Described high pressure drum includes high pressure barrel 7.The material of low pressure cylinder 8 and high pressure barrel 7 is material Q245R-GB9 rustless steel.
The axially middle part of high pressure barrel 7 bottom surface of high pressure drum is provided with four high pressure common downcomer interfaces, being respectively connected with a high pressure common downcomer 71 on each high pressure common downcomer interface, four high pressure common downcomers 71 all import headers with the heating surfaces at different levels of high pressure evaporator 4 connect.The top of four described high pressure common downcomer interfaces, the high pressure soda pop being provided with on four sidewalls being positioned at high pressure barrel 7 introduces interface tube, each described high pressure soda pop introduces interface tube and is all connected with a high pressure soda pop introducing pipe 72, every high pressure soda pop introduce pipe 72 all with the outlet header of the heating surfaces at different levels of high pressure evaporator 4, and the outlet header of high-pressure economizer 3 connects.The top of the sidewall of high pressure barrel 7 is provided with two high-pressure saturated steam desuperheat interface tubes, and each described high-pressure saturated steam desuperheat interface tube connects a high-pressure saturated steam desuperheat pipe 73, and high-pressure saturated steam desuperheat pipe 73 connects the outlet header of high-pressure economizer 3.Four saturated vapors being positioned at high pressure barrel 7 top it are provided with to superheater tube interface between two high-pressure saturated steam desuperheat pipes 73.Four described box steam to superheater tube interfaces are respectively connected with a saturated vapor and are all connected with the import header of superheater 5 to superheater tube 74, four root saturated vapor to superheater tubes 74.Meanwhile, it is connected between 102 between high pressure barrel 7 with high pressure dosing and has high pressure chemical feed pipe 75.
Meanwhile, four described high pressure soda pop introducing interface tubes and four described saturated vapors are provided with, between superheater tube interface, high pressure primary separator, high pressure secondary wave shape plate separator and the high pressure even water hole plate (not shown) set gradually from bottom to up.Simultaneously, described high pressure primary separator, high pressure secondary wave shape plate separator and high pressure even water hole panel area are provided with a circle dividing plate, high-pressure saturated steam desuperheat interface tube is separated with high-pressure saturated steam desuperheat interface tube, introduce pipe 72 from high pressure soda pop and enter the steam water interface of high pressure barrel 7, saturated vapor is become after high pressure primary separator, high pressure secondary wave shape plate separator water hole even with high pressure plate separate, make saturated vapor draw to superheater tube 74 from saturated vapor, enter superheater 5.
Such design can make the high-pressure saturated steam saturated vapor from high pressure barrel 7 axially middle part import superheater 5 to superheater tube 74, and condensed water is guided to the axial two ends of high pressure barrel 7, axial two ends from high pressure barrel 7 are guided to the bottom of high pressure barrel 7 again, enter high pressure common downcomer 71.
Additionally, be additionally provided with electric contact point fluviograph 76, two-colour fluviograph 77 and water level balance container 78 in high pressure barrel 7, for monitoring the water level in high pressure barrel 7.
The top of high pressure barrel 7 is provided with the high scale Pressure gauge for measuring pressure in high pressure barrel 7, low scale Pressure gauge and for the venting stop valve being adjusted pressure in high pressure barrel 7, relief valve, pressure pulse stop valve simultaneously.
High pressure emergency adjutage 79 and high pressure blow-off pipe 710 it is additionally provided with, to promote the Steam-water Quality in high pressure barrel 7 on the sidewall of high pressure barrel 7.
The bottom of the sidewall of low pressure cylinder 8 is provided with two low pressure vapors and introduces interface tube, and each low pressure vapor introduces and is all connected with a low pressure vapor introducing pipe 82 on interface tube, and every low pressure vapor introduces the outlet header that pipe 82 is all connected with the heating surfaces at different levels of low pressure evaporator 2.Two described low pressure vapors introduce and are provided with two low pressure common downcomer interfaces being positioned at bottom low pressure cylinder 8 between interface tube, being respectively connected with a low pressure common downcomer 81 on each described low pressure common downcomer interface, two low pressure common downcomers 81 are all connected with the import header of the heating surfaces at different levels of low pressure evaporator 2.The top of low pressure cylinder 8 is provided with the oxygen-eliminating device interface being connected with oxygen-eliminating device 9.Oxygen-eliminating device 9 is provided with two feed water preheaters to oxygen-eliminating device junction block interface, is used for connecting feed water preheater to oxygen-eliminating device junction block 91.Feed water preheater connects the outlet header of feed water preheater 1 to oxygen-eliminating device junction block 91.It also is provided with a saturated vapor between the high pressure barrel 7 of oxygen-eliminating device 9 and high pressure drum to oxygen-eliminating device pipe 92 simultaneously.
Meanwhile, low-pressure first-stage separator, low pressure secondary Shutter separator and the low pressure even water hole plate (not shown) set gradually from bottom to up between two described low pressure vapors introducing interface tubes and described oxygen-eliminating device interface it is additionally provided with in low pressure cylinder 8.Described low-pressure first-stage separator, described low pressure secondary Shutter separator and described low pressure even water hole panel area are provided with a circle dividing plate.Introduce pipe 82 from low pressure vapor and enter the steam water interface of low pressure cylinder 8, draw after described low-pressure first-stage separator, described low pressure secondary Shutter separator water hole even with described low pressure plate separate, make saturated vapor enter oxygen-eliminating device 9.The effect of oxygen-eliminating device 9 is to utilize the saturated vapor in low pressure cylinder 8 that the hot water from feed water preheater 1 is carried out thermal de-aeration.And condensed water is guided to the axial two ends of low pressure cylinder 8, then it is guided to from the axial two ends of low pressure cylinder 8 bottom of low pressure cylinder 8, enter low pressure common downcomer 81.
The top of low pressure cylinder 8 is provided with the high scale Pressure gauge for measuring pressure in low pressure cylinder 8, low scale Pressure gauge and for the venting stop valve being adjusted pressure in low pressure cylinder 8, relief valve, pressure pulse stop valve simultaneously.
The low pressure chemical adding pipe 85 of 103 between low-voltage emergency adjutage 83, low pressure blow-off pipe 84 and connection low pressure chemical adding it is additionally provided with, to improve the Steam-water Quality in low pressure cylinder 8 on the sidewall of low pressure cylinder 8.
It is additionally provided with low-pressure steam fairlead 93 simultaneously between low pressure cylinder 8 and oxygen-eliminating device 9 and low-pressure steam introduces pipe 94.
Described low-pressure first-stage separator, described low pressure secondary Shutter separator and described low pressure even water hole panel area are provided with the effect of a circle dividing plate and are, by low-pressure steam fairlead 93, to introduce pipe 94 with described oxygen-eliminating device interface, low-pressure steam and described low pressure vapor introduces interface tube isolation.
The above-mentioned design of low pressure drum, by for steam water interface in low pressure cylinder 8 and the improvement of oxygen-eliminating device 9 flow field, improve the Steam-water Quality in described low pressure drum, the beneficially deoxygenation of hot water in oxygen-eliminating device 9, create the environment of a pressure-fired simultaneously for whole boiler circuit, decrease the loss of heat.
Water from feedwater between 104 the most afterwards enter feed water preheater 1 preheat, in oxygen-eliminating device 9, carried out thermal de-aeration by the saturated vapor in low pressure cylinder 8 from feed water preheater 1 water out.Water out in oxygen-eliminating device 9, one tunnel enters high pressure barrel 7 after high-pressure economizer 3 is heated further, is entered high pressure evaporator 4 by high pressure barrel 7 again and produce saturated vapor, returns after high pressure barrel 7 again through superheater 5, is heated to 1.6Mpa, 320 DEG C, it is sent to steamer owner's steam ports work done.Another road is entered low pressure evaporator and is produced the saturated vapor 11t/h of 0.6MPa for steam turbine filling mouth work done.
The soda pop outlet attemperator 51 of superheater 5, attemperator 51 connects with collection vapour header 52, and the diameter of attemperator 51 and connectivity part is to taper into collection vapour header 52 side.Attemperator 51 is to be concentrated in together by superheated steam with the function of collection vapour header 52, and collection vapour header 52 is provided with the necessary interfaces such as Pressure gauge, relief valve, air vent, backwash mouth.
Therefore, superheater 5, high pressure evaporator 4, high-pressure economizer 3, low pressure evaporator 2, feed water preheater 1, described high pressure drum and described low pressure drum, and connect pipeline, constitute the boiler circuit of a kind of sintering exhaust-heat boiler of the present utility model.Which constitute the system of a pressurized operation, it is to avoid cold air leak into the inefficient problem of the waste heat recovery caused.Described high pressure drum and described low pressure drum and connect superheater 5, high pressure evaporator 4, high-pressure economizer 3, low pressure evaporator 2, the pipeline of feed water preheater 5 are all incubated.
The cold high temperature sintering material of ring is cooled after bottom cold wind is advertised, and cold wind is heated simultaneously, by upper entrance low-temperature flue gas import 62 and high-temperature flue gas import 61, carries out heat exchange in sintering exhaust-heat boiler, produces steam for steam turbine power generation.This utility model one sintering exhaust-heat boiler is the dual pathways, dual temperature, double pressure Natural Circulation pattern.High-temp waste gas is introduced into high-temperature flue gas import 61.Waste gas flows through superheater 5, high pressure evaporator 4, high-pressure economizer 3, low pressure evaporator 2 and feed water preheater 1, produces superheated steam in making superheater 5.Low temperature waste gas is introduced into low pressure gas approach 62, waste gas and the exhaust gas merger flowed out in high pressure gas approach 61, is entered air through blower fan by two-way exhanst gas outlet 63.
In the present embodiment: the tube bank of feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and superheater 5 all uses hoop finned tube.So purpose of design is, low pressure gas approach 62 and high-temperature flue gas import 61 is made to form effective exhaust flowfield, strengthen heat exchange, and feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and the abrasion of superheater 5 can be alleviated largely, extend the time between overhauls(TBO), it is ensured that boiler has longer service life.The heating surface of feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and superheater 5 uses and is staggered in arrangement form, and the spacing between the tube bank of the heating surface of arranged rational feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and superheater 5, thus ensure the flowing velocity having enough waste gas, reach required heat transfer effect, i.e. based on smoke detecting, heat transfer enhancement technology, improve heating surface heat transfer effectiveness, stability and heat transfer efficiency, improve the corrosion resistance of heating surface simultaneously.
Low pressure evaporator 2 and the bottom of feed water preheater 1, be disposed with shock wave soot blower, to clean heating surface, it is ensured that boiler output.
It is additionally provided with sampler on steelframe 100 simultaneously, including the low-pressure saturated steam sampler 111 and the low pressure cooker water-sampling device 112 that connect low pressure cylinder 8, connect the pressure cooker water-sampling device 114 to water-sampling device 113, connecting high pressure barrel 7 and the high-pressure saturated steam sampler 115 of oxygen-eliminating device 9, and connect the superheated steam sampler 116 of superheater 5.
Feed water preheater 1, low pressure evaporator 2, high-pressure economizer 3, high pressure evaporator 4 and superheater 5 are externally provided with boiler setting, described boiler setting uses light-duty backplate furnace wall, described light-duty backplate furnace wall is by structural steel frame, it is positioned at described structural steel frame tow sides laminating steel plate, and is filled with aluminosilicate refractory fiber layer or rock cotton board between two blocks of described laminating steel plates.When described backplate furnace wall is installed should full weld, have air leakage phenomena to produce stopping the seam crossing between backplate furnace wall.For reducing backplate furnace wall air leakage coefficient, furnace wall manhole, tube sheet, backplate furnace wall seam, insulation etc. have all carried out well-designed.
Those of ordinary skill in the art will be appreciated that, above embodiment is intended merely to this utility model is described, and it is not used as to restriction of the present utility model, as long as in spirit of the present utility model, change, the modification of embodiment described above all will be fallen in Claims scope of the present utility model.
Claims (9)
1. a sintering exhaust-heat boiler boiler circuit, including the feed water preheater set gradually from bottom to up, low pressure evaporator, high-pressure economizer, high pressure evaporator and superheater, it is characterised in that:
Its also include high pressure drum and low pressure drum, described low pressure drum include low pressure cylinder and described low pressure cylinder top connection oxygen-eliminating device；Described high pressure drum includes high pressure barrel；
Described superheater area of section on horizontal cross-section is less than described feed water preheater, described low pressure evaporator, described high-pressure economizer and described high pressure evaporator area of section on horizontal cross-section；
The entrance point of described oxygen-eliminating device connects described feed water preheater, the port of export of described oxygen-eliminating device is divided into two-way, one tunnel connects described low pressure evaporator, an other road connects described high-pressure economizer, described high-pressure economizer connects described high pressure barrel, described high pressure barrel connects described high pressure evaporator and described superheater, described superheater connection attemperator, described attemperator connected set vapour header.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 1, it is characterised in that: described low pressure evaporator is provided with two-stage heating surface from top to bottom, and described high pressure evaporator is provided with three grades of heating surfaces from top to bottom；And described feed water preheater, the heating surfaces at different levels of described low pressure evaporator, described high-pressure economizer, the heating surfaces at different levels of described high pressure evaporator and described superheater are all made up of import header, tube bank and described outlet header.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterised in that: the tube bank of described feed water preheater, described low pressure evaporator, described high-pressure economizer, described high pressure evaporator and described superheater all uses hoop finned tube.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterized in that: described feed water preheater, described low pressure evaporator and described superheater are attached separately in a bobbin carriage module, described high pressure evaporator end face two-stage heating surface is positioned at a bobbin carriage module, and described high pressure evaporator bottom surface one-level heating surface and described high pressure evaporator are positioned at another one bobbin carriage module.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterised in that: the sole arrangement of described feed water preheater and described low pressure evaporator has shock wave soot blower.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterised in that: it is equipped with primary separator, secondary wave shape plate separator and the even water hole plate set gradually from bottom to up in described high pressure barrel and described low pressure cylinder.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterised in that: between described high pressure drum is by the connection high pressure dosing of high pressure chemical feed pipe, the low pressure cylinder of described low pressure drum is connected between described low pressure chemical adding by low pressure chemical adding pipe.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterised in that: it is connected between described high pressure barrel with described oxygen-eliminating device and has saturated vapor to oxygen-eliminating device pipe.
A kind of sintering exhaust-heat boiler boiler circuit the most according to claim 2, it is characterised in that: described attemperator diminishes to described collection vapour header side with the diameter of described collection vapour header connectivity part.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287630A (en) * | 2016-08-16 | 2017-01-04 | 南通万达锅炉有限公司 | Sectional disposed upright formula differential pressure sintering circular-cooler waste heat boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287630A (en) * | 2016-08-16 | 2017-01-04 | 南通万达锅炉有限公司 | Sectional disposed upright formula differential pressure sintering circular-cooler waste heat boiler |
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Address after: 201114 Room 101 and 201, 4 building, 138 new Chun Ring Road, Minhang District, Shanghai. Patentee after: SHANGHAI INDUSTRIAL BOILER RESEARCH INSTITUTE Co.,Ltd. Address before: 200071 Shanghai city Zhabei District Baochang Road No. 297 Patentee before: SHANGHAI INDUSTRIAL BOILER Research Institute |