CN202177091U - Through-flow waste heat steam boiler system - Google Patents

Through-flow waste heat steam boiler system Download PDF

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Publication number
CN202177091U
CN202177091U CN2011202511713U CN201120251171U CN202177091U CN 202177091 U CN202177091 U CN 202177091U CN 2011202511713 U CN2011202511713 U CN 2011202511713U CN 201120251171 U CN201120251171 U CN 201120251171U CN 202177091 U CN202177091 U CN 202177091U
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CN
China
Prior art keywords
boiler
waste heat
energy
superheater
convection
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.)
Expired - Fee Related
Application number
CN2011202511713U
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Chinese (zh)
Inventor
赵建峰
顾大弟
盛天瑜
谢理明
吴行跃
董毓梅
李全利
王瑞霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Shock Boiler Industrial (kunshan) Co Ltd
Original Assignee
Great Shock Boiler Industrial (kunshan) Co Ltd
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Filing date
Publication date
Application filed by Great Shock Boiler Industrial (kunshan) Co Ltd filed Critical Great Shock Boiler Industrial (kunshan) Co Ltd
Priority to CN2011202511713U priority Critical patent/CN202177091U/en
Application granted granted Critical
Publication of CN202177091U publication Critical patent/CN202177091U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a through-flow waste heat steam boiler system. A flue connector, a cooling chamber and a convection tube are arranged in a through-flow boiler, the convection tube is distributed on the periphery of the cooling chamber to form a convection section with flue gas passages in between, the convection section is provided with at least two ranges, an external flue gas supplying tube is communicated with the flue connector which is communicated with the cooling chamber, a last range of the convection section is communicated with a flue gas inlet of an overheater, and a flue gas outlet of the overheater is communicated with a flue gas inlet of an energy saver. An external water supplying tube is communicated with a water inlet of the energy saver, two ends of the convection tube are respectively communicated with an inlet container and an outlet container, and the outlet container is communicated with a steam inlet of the overheater. The through-flow waste heat steam boiler system can perform treble waste heat recovery by combining the through-flow boiler, the overheater and the energy saver, and is capable of efficiently lowering temperature of discharged smoke, fully utilizing waste heat energy, saving energy and reducing emission.

Description

Through-flow waste heat steam boiler system
Technical field
The utility model belongs to field of boilers, relates generally to triple residual neat recovering systems of a kind of through-flow boiler associating superheater and energy-saving appliance.
Background technology
Waste heat boiler is a kind of boiler that utilizes waste heat to produce steam, is used for recovery waste heat, has energy savings, reduces less environmental contamination, is that a kind of country that responds calls the facility that carries out energy-saving and emission-reduction.The waste heat boiler form is a lot, but is mostly traditional chimney flue type, and is as shown in Figure 1; Comprise flue interface A1, upper drum A2, convection tube A3, lower drum A4, coiled pipe energy-saving appliance A5; Its structure can reclaim high-temperature flue gas, but not enough be that metal consumption is big, floor space is big.Or be the fume tube type waste heat boiler; As shown in Figure 2, comprise flue interface B1, drum B2, convection tube B3, coiled pipe energy-saving appliance B4, it is simple in structure, volume is little; But not enough is directly to reclaim high-temperature flue gas; The smoke pipe inlet will install thermal sleeve additional when reclaiming high-temperature residual heat, and it is complicated that boiler is made, and the thermal sleeve easy damage.
The utility model content
In order to overcome above-mentioned defective, the utility model provides a kind of through-flow waste heat steam boiler system, and this through-flow waste heat steam boiler system not only can directly reclaim the high-temperature residual heat flue gas and produce high-grade superheated steam, and compact conformation, occupation of land are little.
The utility model for the technical scheme that solves its technical problem and adopt is:
A kind of through-flow waste heat steam boiler system; Be provided with flue interface, cooling chamber and convection tube in the through-flow boiler; Said convection tube is arranged in around the cooling chamber, and said convection tube and exhaust gases passes therebetween constitute convection section, and said convection section has at least two backhauls; Outside flue gas supply pipe is connected with said flue interface; Said flue interface is connected with said cooling chamber, and last backhaul of said convection section is connected with the gas approach of said superheater, and the exhanst gas outlet of said superheater is connected with the gas approach of said energy-saving appliance; Outside feed pipe is connected with the water inlet of said energy-saving appliance; Be provided with inlet header case and outlet collection case in the through-flow boiler; The delivery port of said energy-saving appliance is connected with said inlet header case; The two ends of said convection tube are connected with said inlet header case and said outlet collection case respectively, and said outlet collection case is connected with the steam inlet of said superheater.
High-temperature flue gas (t>1100 ℃) gets into cooling chamber through the flue interface; Flue gas passes through radiation cooling in cooling chamber; After temperature reduces (about 900 ℃), get into by convection tube and therebetween the convection section that constitutes of exhaust gases passes carry out heat convection, get into superheater then; Waste heat flue gas after the cooling is further lowered the temperature through energy-saving appliance again, discharges when the waste heat flue gas drops to about 160 ℃; Feedwater gets into the inlet header case in the through-flow boiler after energy-saving appliance adds the heat absorption waste heat; In through-flow boiler, further heat the generation saturated vapor and come together in outlet collection case, saturated vapor absorbs waste heat generation superheated steam for using hot equipment through superheater after going out through-flow boiler again.Carry out triple waste heat recoveries through through-flow boiler associating superheater and energy-saving appliance in the through-flow waste heat steam boiler system of the utility model; Reach the purpose of efficiently utilizing waste heat; Can efficiently reduce exhaust gas temperature, make full use of the waste heat energy, reach the purpose of energy-saving and emission-reduction.
The further technical scheme of the utility model is:
It is outside that said superheater and said energy-saving appliance are arranged at said through-flow boiler; Be communicated with through flue between last backhaul of said convection section and the said superheater gas approach; Be communicated with through flue between the exhanst gas outlet of said superheater and the gas approach of said energy-saving appliance; Be connected through water inlet pipe between the delivery port of said energy-saving appliance and the said inlet header case, be communicated with through steam pipe between the steam inlet of said outlet collection case and said superheater.
Said superheater is a multiloop superheater.
Said energy-saving appliance is the coiled pipe energy-saving appliance.
Said inlet header case is an annular.
The vertical placement of said through-flow boiler, said inlet header case is positioned at the bottom of boiler internal, and said outlet collection case is positioned at the top of boiler internal, and said flue interface is positioned at the boiler bottom.The vertical placement of through-flow boiler not only can reduce takes up an area of and the minimizing capital expenditure, and is beneficial to exhaust.
Said energy-saving appliance is positioned at said superheater top.
The beneficial effect of the utility model is: carry out triple waste heat recoveries through through-flow boiler associating superheater and energy-saving appliance in the through-flow waste heat steam boiler system of the utility model; Reach the purpose of efficiently utilizing waste heat; Can efficiently reduce exhaust gas temperature, make full use of the waste heat energy, reach the purpose of energy-saving and emission-reduction; The vertical placement of through-flow boiler not only can reduce takes up an area of and the minimizing capital expenditure, and is beneficial to exhaust; Cooling chamber is arranged in the through-flow boiler, can reclaim the high-temperature residual heat flue gas.
Description of drawings
Fig. 1 is traditional chimney flue type waste heat boiler structural representation;
Fig. 2 is a conventional smoke pipe type exhaust heat boiler structure sketch map;
Fig. 3 is the through-flow waste heat steam boiler system architecture sketch map of the utility model.
The specific embodiment
Embodiment: a kind of through-flow waste heat steam boiler system; Be provided with flue interface 1, cooling chamber 2 and convection tube 3 in the through-flow boiler; Said convection tube 3 is arranged in around the cooling chamber 2, and said convection tube 3 and exhaust gases passes therebetween constitute convection section, and said convection section has at least two backhauls; Outside flue gas supply pipe is connected with said flue interface 1; Said flue interface 1 is connected with said cooling chamber 2, and last backhaul of said convection section is connected with the gas approach of said superheater 4, and the exhanst gas outlet of said superheater 4 is connected with the gas approach of said energy-saving appliance 5; Outside feed pipe is connected with the water inlet of said energy-saving appliance 5; Be provided with inlet header case 6 and outlet collection case 7 in the through-flow boiler; The delivery port of said energy-saving appliance 5 is connected with said inlet header case 6; The two ends of said convection tube are connected with said outlet collection case 7 with said inlet header case 6 respectively, and said outlet collection case 7 is connected with the steam inlet of said superheater 4.
High-temperature flue gas (t>1100 ℃) gets into cooling chamber 2 through flue interface 1; Flue gas passes through radiation cooling in cooling chamber 2; After temperature reduces (about 900 ℃), get into by convection tube 3 and therebetween the convection section that constitutes of exhaust gases passes carry out heat convection, get into superheater 4 then; Waste heat flue gas after the cooling is further lowered the temperature through energy-saving appliance 5 again, discharges when the waste heat flue gas drops to about 160 ℃; Feedwater gets into the inlet header case 6 in the through-flow boiler after energy-saving appliance 5 adds the heat absorption waste heat; In through-flow boiler, further heat the generation saturated vapor and come together in outlet collection case 7, saturated vapor absorbs waste heat generation superheated steam for using hot equipment through superheater 4 after going out through-flow boiler again.Carry out triple waste heat recoveries through through-flow boiler associating superheater and energy-saving appliance in the through-flow waste heat steam boiler system of the utility model; Reach the purpose of efficiently utilizing waste heat; Can efficiently reduce exhaust gas temperature, make full use of the waste heat energy, reach the purpose of energy-saving and emission-reduction.
Said superheater 4 is arranged at said through-flow boiler outside with said energy-saving appliance 5; Be communicated with through flue between last backhaul of said convection section and said superheater 4 gas approach; Be communicated with through flue between the gas approach of the exhanst gas outlet of said superheater 4 and said energy-saving appliance 5; Be connected through water inlet pipe between the delivery port of said energy-saving appliance 5 and the said inlet header case 6, be communicated with through steam pipe between the steam inlet of said outlet collection case 7 and said superheater 4.
Said superheater 4 is a multiloop superheater.
Said energy-saving appliance 5 is the coiled pipe energy-saving appliance.
Said inlet header case 6 is an annular.
The vertical placement of said through-flow boiler, said inlet header case is positioned at the bottom of boiler internal, and said outlet collection case is positioned at the top of boiler internal, and said flue interface 1 is positioned at the boiler bottom.The vertical placement of through-flow boiler not only can reduce takes up an area of and the minimizing capital expenditure, and is beneficial to exhaust.
Said energy-saving appliance 5 is positioned at said superheater 4 tops.

Claims (7)

1. through-flow waste heat steam boiler system; Be provided with flue interface (1), cooling chamber (2) and convection tube (3) in the through-flow boiler; Said convection tube (3) is arranged in cooling chamber (2) all around, and said convection tube (3) and exhaust gases passes therebetween constitute convection section, and said convection section has at least two backhauls; It is characterized in that: outside flue gas supply pipe is connected with said flue interface (1); Said flue interface (1) is connected with said cooling chamber (2), and last backhaul of said convection section is connected with the gas approach of said superheater (4), and the exhanst gas outlet of said superheater (4) is connected with the gas approach of said energy-saving appliance (5); Outside feed pipe is connected with the water inlet of said energy-saving appliance (5); Be provided with inlet header case (6) and outlet collection case (7) in the through-flow boiler; The delivery port of said energy-saving appliance (5) is connected with said inlet header case (6); The two ends of said convection tube are connected with said inlet header case (6) and said outlet collection case (7) respectively, and said outlet collection case (7) is connected with the steam inlet of said superheater (4).
2. through-flow waste heat steam boiler according to claim 1 system; It is characterized in that: it is outside that said superheater (4) and said energy-saving appliance (5) are arranged at said through-flow boiler; Be communicated with through flue between last backhaul of said convection section and said superheater (4) gas approach; Be communicated with through flue between the exhanst gas outlet of said superheater (4) and the gas approach of said energy-saving appliance (5); Be connected through water inlet pipe between the delivery port of said energy-saving appliance (5) and the said inlet header case (6), be communicated with through steam pipe between the steam inlet of said outlet collection case (7) and said superheater (4).
3. through-flow waste heat steam boiler according to claim 1 system, it is characterized in that: said superheater (4) is a multiloop superheater.
4. through-flow waste heat steam boiler according to claim 1 system, it is characterized in that: said energy-saving appliance (5) is the coiled pipe energy-saving appliance.
5. through-flow waste heat steam boiler according to claim 1 system is characterized in that: said inlet header case (6) is annular.
6. through-flow waste heat steam boiler according to claim 1 system; It is characterized in that: the vertical placement of said through-flow boiler; Said inlet header case is positioned at the bottom of boiler internal, and said outlet collection case is positioned at the top of boiler internal, and said flue interface (1) is positioned at the boiler bottom.
7. through-flow waste heat steam boiler according to claim 6 system is characterized in that: said energy-saving appliance (5) is positioned at said superheater (4) top.
CN2011202511713U 2011-07-15 2011-07-15 Through-flow waste heat steam boiler system Expired - Fee Related CN202177091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202511713U CN202177091U (en) 2011-07-15 2011-07-15 Through-flow waste heat steam boiler system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202511713U CN202177091U (en) 2011-07-15 2011-07-15 Through-flow waste heat steam boiler system

Publications (1)

Publication Number Publication Date
CN202177091U true CN202177091U (en) 2012-03-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202511713U Expired - Fee Related CN202177091U (en) 2011-07-15 2011-07-15 Through-flow waste heat steam boiler system

Country Status (1)

Country Link
CN (1) CN202177091U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878543A (en) * 2011-07-15 2013-01-16 大震锅炉工业(昆山)有限公司 Once-through waste heat steam boiler system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878543A (en) * 2011-07-15 2013-01-16 大震锅炉工业(昆山)有限公司 Once-through waste heat steam boiler system

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120328

Termination date: 20170715

CF01 Termination of patent right due to non-payment of annual fee