CN207247180U - A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap - Google Patents
A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap Download PDFInfo
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- CN207247180U CN207247180U CN201721130747.4U CN201721130747U CN207247180U CN 207247180 U CN207247180 U CN 207247180U CN 201721130747 U CN201721130747 U CN 201721130747U CN 207247180 U CN207247180 U CN 207247180U
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- hydraulic pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap, belongs to coke dry quenching boiler equipment technical field, for improving work efficiency, reducing operating cost.Its technical solution is：Pure water tank is connected by hydraulic pipeline with secondary economizer, secondary economizer is installed on boiler internal, secondary economizer is connected by hydraulic pipeline with pressure oxygen-removing tower again, superheated steam pipeline is transported in pressure oxygen-removing tower, the hydraulic pipeline of pressure oxygen-removing tower is connected by boiler feed pump with economizer, the hydraulic pipeline of economizer is connected with boiler pot bucket, and boiler pot bucket is connected with evaporator, superheater.The boiler feedwater oxygen content of the utility model can guarantee that the water quality requirement for reaching high-pressure boiler；Deoxygenation steam exhaust recoverable；Built-in secondary economizer takes up little area, mechanism and technique are simple；Improve the overall thermal efficiency of boiler；Feed water heater and boiler feed water oxygen scavenger chemicals dosing plant are eliminated, has saved equipment investment and its production maintenance operation.
Description
Technical field
A kind of dry coke quenching high pressure waste heat boiler is the utility model is related to, belongs to coke dry quenching boiler equipment technical field.
Background technology
In existing dry coke quenching high pressure Waste Heat Boiler Design, due to that must meet boiler export temperature requirements first, at the same time
Ensure that boiler has the higher thermal efficiency, employ external secondary economizer（Heat exchange of heat pipe, tubular heat exchanger）, equipment Pang
Greatly, complex process.And in use, it is difficult to reach high-pressure boiler to stove water oxygen using air suspended type or rotating film type deaerating type of cycles
The requirement of content, it is necessary to largely add oxygen scavenger, cause the increase of construction cost and operating cost, while substantial amounts of deoxygenation steam exhaust
Diffuse the waste for causing the energy and water.Therefore, it is necessary to existing dry coke quenching high pressure waste heat boiler is improved.
Utility model content
It is high that technical problem to be solved in the utility model is to provide a kind of dry coke quenching simple for structure, that operating cost is cheap
Discard heat boiler, this dry coke quenching high pressure waste heat boiler can make boiler feedwater oxygen content reach the water quality requirement of high-pressure boiler,
Deoxygenation steam exhaust can be recycled utilization, while built-in secondary economizer takes up little area, mechanism and technique are simple.
Solving the technical solution of above-mentioned technical problem is：
A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap, it includes pure water tank, except oxygen pump, pair
Economizer, pressure oxygen-removing tower, boiler feed pump, economizer, boiler pot bucket, evaporator, superheater, pure water tank pass through hydraulic pipeline
It is connected with secondary economizer, except oxygen pump is installed in hydraulic pipeline, secondary economizer is installed on boiler internal, and secondary economizer passes through again
Hydraulic pipeline is connected with pressure oxygen-removing tower, and superheated steam pipeline is transported in pressure oxygen-removing tower, the water-supply-pipe of pressure oxygen-removing tower
Road is connected by boiler feed pump with economizer, and the hydraulic pipeline of economizer is connected with boiler pot bucket, and boiler pot bucket is with steaming
Hair device, superheater are connected.
The dry coke quenching high pressure waste heat boiler that said structure is succinct, operating cost is cheap, it also has water-jet exhaust device, steam
Condenser, the steam pipework of superheater are connected with water-jet exhaust device, and water-jet exhaust device passes through pipeline and vapor condenser
It is connected, the outlet pipeline of vapor condenser is connected with pure water tank, and the jet stream water inlet of water-jet exhaust device passes through discharge jet
Road is connected with the hydraulic pipeline except oxygen pump rear.
The beneficial effects of the utility model are：
The equipment of the utility model is succinct, operating cost is cheap, has the following advantages：Boiler feedwater oxygen content, which can guarantee that, to be reached
To the water quality requirement of high-pressure boiler；Deoxygenation steam exhaust recoverable；Built-in secondary economizer takes up little area, mechanism and technique are simple,
Reduce boiler circuit bulk metal usage amount；Improve the overall thermal efficiency of boiler；Eliminate feed water heater and boiler
Feedwater deaeration agent chemicals dosing plant, has saved equipment investment and its production maintenance operation.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Marked in figure as follows：Pure water tank 1, except oxygen pump 2, hydraulic pipeline 3, secondary economizer 4, pressure oxygen-removing tower 5, superheated steam
Pipeline 6, boiler feed pump 7, economizer 8, boiler pot bucket 9, evaporator 10, superheater 11, boiler flue gas outlet 12, steam pipework
13rd, water-jet exhaust device 14, vapor condenser 15, jetting pipeline 16.
Embodiment
The utility model by pure water tank 1, except the secondary economizer 4 of oxygen pump 2, pressure oxygen-removing tower 5, boiler feed pump 7, economizer 8,
Boiler pot bucket 9, evaporator 10, superheater 11, water-jet exhaust device 14, vapor condenser 15, hydraulic pipeline 3, overheated steam pipe
Road 6, steam pipework 13, jetting pipeline 16 form.
Shown in figure, pure water tank 1 is connected by hydraulic pipeline 3 with secondary economizer 4, except oxygen pump 2 is installed on hydraulic pipeline 3
In, the pure water in pure water tank 1 is passed through except oxygen pump 2 is pumped to boiler pair economizer 4 by hydraulic pipeline 3.
Shown in figure, secondary economizer 4 is installed on boiler internal, and secondary economizer 4 passes through hydraulic pipeline 3 and pressure oxygen-removing tower again
5 are connected, and superheated steam pipeline 6 is transported in pressure oxygen-removing tower 5.Send to the pure water of pressure oxygen-removing tower 5 and through overheated steam pipe
The superheated steam heat exchange that road 6 is sent into carries out deoxygenation.
Shown in figure, the hydraulic pipeline 3 of pressure oxygen-removing tower 5 is connected by boiler feed pump 7 with economizer 8, economizer
Hydraulic pipeline 3 be connected with boiler pot bucket 9, boiler pot bucket 9 is connected with evaporator 10, superheater 11.Pure water after deoxygenation
Economizer 8 is pumped to through boiler feed pump 7, and then enters boiler pot bucket 9, evaporator 10, superheater are entered by boiler pot bucket 9
11 grade boiler tube bundles, the final steam that produces are sent out by steam pipework 13,12 temperature of boiler flue gas outlet through heat exchange be down to 130 DEG C with
On.
Shown in figure, the steam pipework 13 of superheater 11 is connected with water-jet exhaust device 14, and water-jet exhaust device 14 is logical
Cross pipeline with vapor condenser 15 to be connected, the outlet pipeline of vapor condenser 15 is connected with pure water tank 1, the steam exhaust after deoxygenation
Extract to send to vapor condenser 15, part steam exhaust through water-jet exhaust device 14 and diffuse, condensation water is back to pure water tank 1 and recycles.
The jet stream water inlet of water-jet exhaust device 14 is connected by jetting pipeline 16 with the hydraulic pipeline 3 except 2 rear of oxygen pump, and jetting is taken out
The water jets of device of air 14 except oxygen pump 2 by supplying through jetting pipeline 16.
The course of work of the utility model is as follows：
Boiler pure water is sent to boiler internal pair economizer 4 by pure water tank 1 through removing oxygen pump 2, is sent after heating to pressure deoxygenation
Tower 5, at 0.55MPa, 160 DEG C, except to oxygen content below 7 μ g/L；Sent through boiler feed pump 7 to boiler economizer 8, and then
Tube bundle system is circulated into boiler internal, the final superheated steam that produces is sent outside.The steam exhaust that deoxygenation produces is through water-jet exhaust device 14
Extraction is sent to vapor condenser 15, part steam exhaust and is diffused, and condensation water is back to pure water tank 1 and recycles.
Claims (2)
- A kind of 1. dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap, it is characterised in that：It includes pure water tank （1）, except oxygen pump（2）, secondary economizer（4）, pressure oxygen-removing tower（5）, boiler feed pump（7）, economizer（8）, boiler pot bucket（9）、 Evaporator（10）, superheater（11）, pure water tank（1）Pass through hydraulic pipeline（3）With secondary economizer（4）It is connected, except oxygen pump（2）Peace Mounted in hydraulic pipeline（3）In, secondary economizer（4）Installed in boiler internal, secondary economizer（4）Pass through hydraulic pipeline again（3）With pressure Power oxygen-removing tower（5）It is connected, superheated steam pipeline（6）It is transported to pressure oxygen-removing tower（5）In, pressure oxygen-removing tower（5）Water-supply-pipe Road（3）By boiler feed pump（7）With economizer（8）It is connected, economizer（8）Hydraulic pipeline（3）With boiler pot bucket（9）Phase Connection, boiler pot bucket（9）With evaporator（10）, superheater（11）It is connected.
- 2. dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap according to claim 1, its feature exist In：It also has water-jet exhaust device（14）, vapor condenser（15）, superheater（11）Steam pipework（13）It is evacuated and fills with jetting Put（14）It is connected, water-jet exhaust device（14）Pass through pipeline and vapor condenser（15）It is connected, vapor condenser（15）'s Outlet pipeline and pure water tank（1）It is connected, water-jet exhaust device（14）Jet stream water inlet pass through jetting pipeline（16）With deoxygenation Pump（2）The hydraulic pipeline at rear（3）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130747.4U CN207247180U (en) | 2017-09-05 | 2017-09-05 | A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130747.4U CN207247180U (en) | 2017-09-05 | 2017-09-05 | A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207247180U true CN207247180U (en) | 2018-04-17 |
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ID=61884315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721130747.4U Active CN207247180U (en) | 2017-09-05 | 2017-09-05 | A kind of dry coke quenching high pressure waste heat boiler simple for structure, operating cost is cheap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207247180U (en) |
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2017
- 2017-09-05 CN CN201721130747.4U patent/CN207247180U/en active Active
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