CN206755307U - Condensing-type low-vacuum cooling circulating water heating installation - Google Patents
Condensing-type low-vacuum cooling circulating water heating installation Download PDFInfo
- Publication number
- CN206755307U CN206755307U CN201720540272.XU CN201720540272U CN206755307U CN 206755307 U CN206755307 U CN 206755307U CN 201720540272 U CN201720540272 U CN 201720540272U CN 206755307 U CN206755307 U CN 206755307U
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- condensing
- heat exchange
- heat
- 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
Links
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of condensing-type low-vacuum cooling circulating water heating installation, it includes steam boiler and condensing turbine, condensing turbine is connected with backheat absorption plant, backheat absorption plant is connected on steam boiler, condenser is connected with condensing turbine, one branch road of condenser, which leads to, meets heating user, another branch road connects back to heat absorption device, the user that heats connects condenser, heating installation also includes flushing cinder water- to-water heat exchanger and peak regulation vapor-water heat exchanger, flushing cinder water- to-water heat exchanger is provided with heat exchange water inlet pipe and heat exchange outlet pipe and the heat exchange outlet pipe is connected on recirculated water feed pipe, heat exchange water inlet pipe on peak regulation vapor-water heat exchanger, heat exchange outlet pipe is connected with recirculated water feed pipe and recirculated water return pipe respectively.The utility model can be that whole heating system carries out moisturizing and peak regulation, and take full advantage of the heat energy of steam caused by blast furnace slag quenching water and other equipment, avoid energy loss.
Description
Technical field
It the utility model is related to a kind of condensing-type low-vacuum cooling circulating water heating installation.
Background technology
The self-contained thermoelectric plants such as steel plant, steel mill largely use condensing turbine, general condensing-type generating set
Heat of the gross efficiency more than 30% or so, 60% is taken away by the cooling circulating water of condenser, referred to as cold source energy.Now steam turbine
Pressure at expulsion it is very low, generally 4.9kPa, corresponding saturation temperature is 32.51 DEG C, and exhaust steam temperature is relatively low, does not utilize directly
Value, but the heat that it takes away is very big.At present, steel plant provide the recirculated cooling water of condenser power plant for oneself through cooling circulation
After entering cooling tower cooling after pump pressurization, after heat is spilt into air, recycling.The enterprises such as iron-smelter, steel mill in order to
The energy is saved, it heats after being exchanged heat by carbonated drink caused by condensing turbine for plant area or user.
And caused a large amount of low temperature exhaust heats are not fully utilized in the techniques such as blast furnace ironmaking, steel-making and emergency generator,
Such as blast furnace slag quenching water waste heat（Temperature is at 60~80 DEG C）With the condenser low vacuum circulating water afterheat of power plant（Temperature is 60~70
℃）.With the continuous expansion of city size, there is bigger heat demand breach in the northern area of China, if newly-built confession
Heat engine group is likely to result in optimized distributionl and mismatches, increase investment, waste the energy and cause new environmental pollution.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of condensing-type low-vacuum cooling circulating water heating installation, should
It is heating system moisturizing that condensing-type low-vacuum cooling circulating water heating installation, which can make full use of blast furnace slag quenching water waste heat, and profit
Peak regulation is carried out for heating system after being exchanged heat with the heating furnace steam of the enterprises such as iron-smelter, so as to take full advantage of heat energy, is carried
High heat utilization rate.
In order to solve the above technical problems, the condensing-type low-vacuum cooling circulating water heating installation provided includes steam boiler
With the condensing turbine driven by steam boiler steam supply, condensing turbine is connected with backheat absorption plant by pipeline, returns
Heat absorption device is connected on steam boiler by supply line, and condenser is connected with the tail gas pipe road of condensing turbine,
One branch road of condenser is connected on heating user by recirculated water feed pipe, another branch road connects back to heat absorption by pipeline
Device, heating user connect condenser by recirculated water return pipe, and it is structurally characterized in that：The heating installation also includes being connected with
The flushing cinder water- to-water heat exchanger of blast furnace slag flushing water lines and the peak regulation vapor-water heat exchanger for being connected with heating furnace steam pipework, washing slag water heat exchange
Device is provided with heat exchange water inlet pipe and heat exchange outlet pipe and the heat exchange outlet pipe is connected on recirculated water feed pipe, peak regulation steam-water heat exchanging
Heat exchange water inlet pipe, heat exchange outlet pipe on device are connected with recirculated water feed pipe and recirculated water return pipe respectively.
After said structure, make use of blast furnace slag quenching water heat be water heating, by the water after heating by exchange heat into
Water pipe adds to recirculated water feed pipe, so as to carry out moisturizing for whole heating system, and takes full advantage of blast furnace slag quenching water
Heat energy, avoid energy loss；Furthermore it make use of and steamed caused by the equipment such as the heating furnace of the enterprises such as steel mill, iron-smelter, converter
Vapour is that whole heating system carries out peak regulation supplement, has both taken full advantage of its heat, and carried out effective heat for heating system
Measure peak regulation supplement.
As an improvement, being connected with cooling water supply pipe on the recirculated water feed pipe, it is connected with recirculated water return pipe cold
But water return pipe, cooling water supply pipe and CWR are all connected on cooling tower, and recirculated water return pipe is provided with temperature
Meter and pressure gauge, on the recirculated water feed pipe and recirculated water return pipe and cooling water supply pipe and CWR respectively
Provided with adjustment valve.Because condenser water side pressure-bearing is no more than 0.4MPa, temperature is not higher than 45 DEG C, thus by setting thermometer
And pressure gauge, the temperature and pressure of recirculated water return pipe reclaimed water are detected, by adjusting the keying of valve, controls recirculated water backwater
After water in pipe enters the water side in condenser, pressure and temperature are up to standard, effectively prevent the damage of condenser.
As a further improvement, demineralized water water spray dress is connected with pipeline between the condenser and backheat absorption plant
Put, the water overtemperature into backheat absorption plant can be prevented.
Cooling water pump is connected with the CWR.
Heat exchange water inlet pipe on the flushing cinder water- to-water heat exchanger is provided with moisturizing supply-water pump.
In summary, compared with prior art, advantages of the present invention is as follows：
（1）By carrying out central heating, the comprehensive utilization rate of energy source of power plant for self-supply of iron and steel enterprise is improved, has saved combustion
Consumption of coal amount, reduce the discharge of coal contaminants, there is significant energy-conservation, environmental benefit；Have what is generated electricity and heat simultaneously
Dual economy benefit；
（2）Softened water of the moisturizing of the heating system after being exchanged heat with blast furnace slag quenching water, further make use of steel plant
The exhaust heat of slag flushing water resource of iron-smelting process；
（3）System is provided with peak regulation vapor-water heat exchanger, and when freeze-up or unit break down, heating system passes through peak regulation vapour
Water- to-water heat exchanger ensures its stable operation, and the thermal source of peak regulation vapor-water heat exchanger adds converter, heating furnace and sintering workshop section from plant area
Afterheat steam.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of embodiment of the utility model.
Embodiment
As shown in figure 1, the utility model provides a kind of condensing-type low-vacuum cooling circulating water heating installation, the arrow in figure
Head represents the trend of steam and water, and it includes steam boiler 1 and the condensing turbine 2 driven by steam boiler steam supply, condensing
Formula steam turbine 2 is connected with backheat absorption plant 7 by pipeline, and the concrete structure of the backheat absorption plant 7 can be plate-type heat-exchange
Device or tube side formula heat exchanger, it is prior art, and concrete structure is not described in detail, and backheat absorption plant 7 passes through supply line
It is connected on steam boiler 1, condenser 4 is connected with the tail gas pipe road of condensing turbine 2, a branch road of condenser 4 leads to
Cross that recirculated water feed pipe 20 is connected on heating user 14, another branch road connects back to heat absorption device 7 by pipeline, heat user
14 connect condenser 4 by recirculated water return pipe 21, and the concrete structure of condenser 4 is prior art, be will not be repeated here, described
Heating installation also includes being connected with the flushing cinder water- to-water heat exchanger 12 of blast furnace slag flushing water lines 22 and is connected with heating furnace steam pipework 23
Peak regulation vapor-water heat exchanger 10, the water sources of blast furnace slag flushing water lines comes from blast furnace slag quenching water, and the steam of heating furnace steam pipework comes
Plant is smelted iron in self-heating stove, converter etc., and flushing cinder water- to-water heat exchanger 12 is provided with heat exchange water inlet pipe and heat exchange outlet pipe and the heat exchange
Outlet pipe is connected on recirculated water feed pipe, and the heat exchange water inlet pipe on the flushing cinder water- to-water heat exchanger 12 is provided with moisturizing supply-water pump
11, so as to provide supplementing water pressure, heat exchange water inlet pipe, heat exchange outlet pipe on peak regulation vapor-water heat exchanger 10 supply water with recirculated water respectively
Pipe 20 and recirculated water return pipe 21 connect.In use, the steam in condensing turbine enters after the heat exchange of the condensing of condenser 4
Enter in recirculated water feed pipe 20 for heating user 14 heat, heating user 14 backwater returned to by recirculated water return pipe 21 it is solidifying
In vapour device 4, when heat supply in winter peak, the softening after being exchanged heat by blast furnace slag flushing water lines and flushing cinder water- to-water heat exchanger 12
Water is added in recirculated water feed pipe 20, and the heat exchange by the steam and peak regulation vapor-water heat exchanger 10 of heating furnace steam pipework is
Heating system carries out peak heating, had both taken full advantage of above-mentioned heat energy, and had improved the effect of heating system again.Above-mentioned washing slag water changes
Hot device 12 and peak regulation vapor-water heat exchanger 10 can use plate type heat exchanger, can also use the heat exchanger of other structures, herein
Repeat no more.
Referring to the drawings, cooling water supply pipe is connected with the recirculated water feed pipe, is connected with recirculated water return pipe cold
But water return pipe, cooling water pump 9 is connected with the CWR, cooling water supply pipe and CWR are all
It is connected on cooling tower 15, the concrete structure of cooling tower is prior art, and recirculated water return pipe is provided with thermometer 17 and pressure
Table 18, tune is respectively equipped with the recirculated water feed pipe and recirculated water return pipe and cooling water supply pipe and CWR
Whole valve 13, said temperature meter and pressure gauge can be detected by automatic control program, so as to control above-mentioned adjustment valve, when
When adjustment valve on recirculated water feed pipe and recirculated water return pipe normally starts, it can be that heating family is heated, heat
After the completion of, can be by the adjustment valve on above-mentioned cooling water supply pipe and CWR if temperature and hypertonia
Valve is opened, and backwater is passed into cooling tower 15, the water side of condenser is entered back into after being cooled down, so as to preventing because of water temperature or
Hydraulic pressure is too high to be caused to damage to condenser.
Reference picture 1, demineralized water water injector 16 is connected with the pipeline between the condenser and backheat absorption plant, is removed
Salt solution water injector includes holding vessel and the water jet being connected on holding vessel, and said structure is all prior art.
The utility model is not restricted to the described embodiments, for those skilled in the art, based on the utility model
The equivalent variations and part replacement of concrete structure are all in the scope of protection of the utility model.
Claims (5)
1. a kind of condensing-type low-vacuum cooling circulating water heating installation, including steam boiler（1）Driven with by steam boiler steam supply
Condensing turbine（2）, condensing turbine（2）Backheat absorption plant is connected with by pipeline（7）, backheat absorption plant
（7）Steam boiler is connected to by supply line（1）On, condensing turbine（2）Tail gas pipe road on be connected with condenser
（4）, condenser（4）A branch road by recirculated water feed pipe be connected to heating user（14）Upper, another branch road passes through pipeline
Connect back to heat absorption device（7）, heat user（14）Condenser is connected by recirculated water return pipe（4）, it is characterized in that：The confession
Heater device also includes the flushing cinder water- to-water heat exchanger for being connected with blast furnace slag flushing water lines（12）With the tune for being connected with heating furnace steam pipework
Peak vapor-water heat exchanger（10）, flushing cinder water- to-water heat exchanger（12）It is provided with heat exchange water inlet pipe and heat exchange outlet pipe and the heat exchange outlet pipe connects
It is connected on recirculated water feed pipe, peak regulation vapor-water heat exchanger（10）On heat exchange water inlet pipe, heat exchange outlet pipe respectively with recirculated water supply
Water pipe connects with recirculated water return pipe.
2. condensing-type low-vacuum cooling circulating water heating installation according to claim 1, it is characterized in that：The recirculated water supplies
Cooling water supply pipe is connected with water pipe, CWR, cooling water supply pipe and cooling are connected with recirculated water return pipe
Water return pipe is all connected to cooling tower（15）On, recirculated water return pipe is provided with thermometer and pressure gauge, and the recirculated water supplies water
Adjustment valve is respectively equipped with pipe and recirculated water return pipe and cooling water supply pipe and CWR.
3. condensing-type low-vacuum cooling circulating water heating installation according to claim 1, it is characterized in that：The condenser with
Demineralized water water injector is connected with pipeline between backheat absorption plant.
4. the condensing-type low-vacuum cooling circulating water heating installation according to any one of claim 1-3, it is characterized in that：Institute
State and cooling water pump is connected with CWR（9）.
5. the condensing-type low-vacuum cooling circulating water heating installation according to any one of claim 1-3, it is characterized in that：Institute
State flushing cinder water- to-water heat exchanger（12）On heat exchange water inlet pipe be provided with moisturizing supply-water pump（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540272.XU CN206755307U (en) | 2017-05-16 | 2017-05-16 | Condensing-type low-vacuum cooling circulating water heating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540272.XU CN206755307U (en) | 2017-05-16 | 2017-05-16 | Condensing-type low-vacuum cooling circulating water heating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206755307U true CN206755307U (en) | 2017-12-15 |
Family
ID=60617038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720540272.XU Expired - Fee Related CN206755307U (en) | 2017-05-16 | 2017-05-16 | Condensing-type low-vacuum cooling circulating water heating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206755307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437850A (en) * | 2019-08-23 | 2019-11-12 | 西安华江环保科技股份有限公司 | A kind of double super generating electricity circulating water cooling systems of Dry Quenching |
| CN110455088A (en) * | 2019-08-14 | 2019-11-15 | 西安华江环保科技股份有限公司 | A kind of solidifying gas formula generating set residual heat heating device and method of dry coke quenching superhigh temperature super-pressure |
-
2017
- 2017-05-16 CN CN201720540272.XU patent/CN206755307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455088A (en) * | 2019-08-14 | 2019-11-15 | 西安华江环保科技股份有限公司 | A kind of solidifying gas formula generating set residual heat heating device and method of dry coke quenching superhigh temperature super-pressure |
| CN110437850A (en) * | 2019-08-23 | 2019-11-12 | 西安华江环保科技股份有限公司 | A kind of double super generating electricity circulating water cooling systems of Dry Quenching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507375C (en) | Large temperature-difference central heating system | |
| KR100975276B1 (en) | Local heating water feeding system using absorbing type heat pump | |
| CN202007693U (en) | Recovery device for low-temperature waste heat in power plant | |
| CN202768090U (en) | Recovery system of dead steam waste heat | |
| CN201181044Y (en) | Large-temperature difference central heating unit | |
| CN109579112A (en) | A kind of thermal power plant unit thermoelectricity decoupled system and its operation method | |
| CN202532586U (en) | System for improving waste heat efficiency of heat pump recovery plant cooling tower | |
| CN110455088A (en) | A kind of solidifying gas formula generating set residual heat heating device and method of dry coke quenching superhigh temperature super-pressure | |
| CN208184801U (en) | A kind of co-generation unit of deep exploitation heating steam overbottom pressure waste heat | |
| CN202647718U (en) | Supercritical clamminess heating machine set heat supply net drainage treating system | |
| CN206755307U (en) | Condensing-type low-vacuum cooling circulating water heating installation | |
| CN106322427A (en) | Deslagging waste heat utilization system and deslagging waste heat utilization method for circulating fluidized bed boiler | |
| CN103968444A (en) | Energy saving device for directly recycling waste heat from condenser of power plant to supply heat and energy saving method | |
| CN105626171A (en) | Waste heat utilization system for indirect air-cooling unit | |
| CN205664467U (en) | Directly retrieve economizer that power plant's condenser waste heat is used for municipal heat supply | |
| CN202648227U (en) | Waste heat recovery system for process cooling water | |
| CN209540991U (en) | A kind of thermal power plant unit thermoelectricity decoupled system | |
| CN204665244U (en) | A kind of association system of phase-change heat-exchanger band heat exchangers for district heating | |
| CN208907657U (en) | A kind of big temperature-difference central heating system using residual heat of electric power plant | |
| CN206683029U (en) | A kind of two-stage based on heat supply network progressive solution takes out solidifying heating system | |
| CN104832908A (en) | Combination system and combination method for phase-change heat exchanger with heating network heater | |
| CN213980964U (en) | Cold and heat quantity optimal utilization system between coal press of low-heat-value combined cycle unit | |
| CN205014337U (en) | A water supply equipment for improving waste heat power generation system heat exchange efficiency | |
| CN208269248U (en) | A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system | |
| CN204062990U (en) | A kind of boiler steam-water circulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210516 |