CN108302518A - Boiler system - Google Patents
Boiler system Download PDFInfo
- Publication number
- CN108302518A CN108302518A CN201810001959.5A CN201810001959A CN108302518A CN 108302518 A CN108302518 A CN 108302518A CN 201810001959 A CN201810001959 A CN 201810001959A CN 108302518 A CN108302518 A CN 108302518A
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- CN
- China
- Prior art keywords
- inlet
- boiler
- pipeline section
- fluid
- water
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/003—Feed-water heater systems
Abstract
The disclosure provides a kind of boiler system, to solve the problems, such as that boiler energy utilization rate is relatively low in the related technology.The system comprises：Boiler (100) is connected to the inlet pipeline (200) of the boiler (100), is connected to the discharge pipe line (300) and heat exchanger (400) of the boiler (100)；The heat exchanger (400) is arranged on the inlet pipeline (200) and the discharge pipe line (300)；The heat exchanger (400) is used for, by the fluid in the heat transfer of fluid in the discharge pipe line (300) to the inlet pipeline (200).
Description
Technical field
This disclosure relates to boiler technology field, and in particular, to a kind of boiler system.
Background technology
In boiler plant produces steam course, with the cumulative rises of evaporation capacity, the water quality in boiler changes, water
In contained basicity and chlorion gradually increase, after the content that basicity and chlorion reach certain, the peace of boiler will be directly affected
The waste of row and the energy for the national games.To ensure that the continuous safe operation of boiler, boiler water quality must control within limits.Phase
In the technology of pass, by the way of opening continuous blowdown and periodical blowdown, to exhaust the stove containing high alkalinity and chlorion in boiler
Water, and new soft water is supplemented in due course, so that water quality is maintained within claimed range in boiler, so that it is guaranteed that boiler safety was stablized
Operation.
What periodical blowdown and continuous blowdown were discharged is high temperature, and for steam pressure in 0.5MPa, temperature reaches 158 DEG C.By
It is high in the steam water interface temperature given off, to ensure the people of subsequent sewage sampling equipment normal operation and staff
Body safety, needs the sewage that additionally boiler is discharged to cool down, causes technique power consumption excessively high, energy utilization rate is relatively low.
Invention content
The disclosure provides a kind of boiler system, to solve the problems, such as that boiler energy utilization rate is relatively low in the related technology.
To achieve the goals above, the embodiment of the present disclosure in a first aspect, provide a kind of boiler system, the system packet
It includes：
Boiler (100) is connected to the inlet pipeline (200) of the boiler (100), is connected to the drainpipe of the boiler (100)
Road (300) and heat exchanger (400)；
The heat exchanger (400) is arranged on the inlet pipeline (200) and the discharge pipe line (300)；
The heat exchanger (400) is used for, by the heat transfer of fluid in the discharge pipe line (300) to the inlet pipeline
(200) fluid in.
Optionally, the discharge pipe line (300) includes continuous blowdown pipeline section (310), periodical blowdown pipeline section (320), and
Share blowdown pipeline section (330)；
First end of the continuous blowdown pipeline section (310) is connected to the boiler (100), the continuous blowdown pipeline section (310)
The second end be connected to the first end of the shared blowdown pipeline section (330)；
First end of the periodical blowdown pipeline section (320) is connected to the boiler (100), the periodical blowdown pipeline section (320)
The second end be connected to the first end of the shared blowdown pipeline section (330)；
Shared blow-off pipe of heat exchanger (400) setting in the inlet pipeline (200) and the discharge pipe line (300)
In section (330)；
The heat exchanger (400) is used for, by the heat transfer of fluid in the shared blowdown pipeline section (330) to the water inlet
Fluid in pipeline (200).
Optionally, the system also includes：
The pressure sensor (500) being placed on the shared blowdown pipeline section (330), with the pressure sensor (500)
Connected drain valve control module (600)；
The drain valve control module (600) is used for, and the shared blow-off pipe is detected by the pressure sensor (500)
Pressure value in section (330)；When the pressure value is in preset pressure value range, the continuous blowdown pipeline section (310) is controlled
Valve (311) close.
Optionally, it is additionally provided with Check valve (312) on the continuous blowdown pipeline section (320).
Optionally, the system also includes：It is connected to the bypass inlet pipeline (700) of the boiler (100).
Optionally, the system also includes：
Inlet valve control module (800), the water inflow monitoring device (900) being connected with the inlet valve control module (800)；
The water inflow monitoring device (900) is used for, and samples respectively in the inlet pipeline (200) through the heat exchanger
(400) fluid after being heated through the heat exchanger (400) in the fluid and the inlet pipeline (200) before heating, and
Analyze to obtain the fluid in the inlet pipeline (200) through the front and back parameter of the heat exchanger (400) heating according to sampled result
Result of variations；
The inlet valve control module (800) is used for, and is not inconsistent with parameter preset variation range in the Parameters variation result
When, valve (201) shutdown of the inlet pipeline (200) is controlled, and control the valve of the bypass inlet pipeline (700)
(202) it opens.
Optionally, the water inflow monitoring device (900) includes：
Flow monitoring module, water quality monitoring module.
Optionally, the inlet pipeline (200) includes spare water inlet sewage draining exit (210)；
The inlet valve control module (800) is used for, and is not inconsistent with parameter preset variation range in the Parameters variation result
When, the valve (203) of the control spare water inlet sewage draining exit (210) is opened, the stream in the inlet pipeline (200) is discharged
Body.
Optionally, the system also includes：
Pumping monitoring device, the parameter for monitoring fluid in the discharge pipe line (300).
Optionally, the system also includes：
Be connected to the water inlet water pump (220) of the inlet pipeline (200), and be connected with the water inlet water pump (220) into
Water testing pump converter plant.
Above-mentioned technical proposal can at least reach following effect：
Heat-exchanger rig is set on the inlet pipeline and discharge pipe line of boiler, which can will flow in discharge pipe line
Fluid in the heat transfer of body to the inlet pipeline.In this way, pot can be improved while reducing the temperature of discharging of boiler
The temperature of stove water inlet, is conducive to the recycling of boiler heat-energy, improves the energy utilization rate of boiler.Also, improve boiler feed water
Water temperature can reduce the pressure oscillation of boiler internal, promote the stability of boiler operating.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is a kind of configuration diagram of boiler system shown in one exemplary embodiment of the disclosure.
Fig. 2 is the configuration diagram of another boiler system shown in one exemplary embodiment of the disclosure.
Fig. 3 is the configuration diagram of another boiler system shown in one exemplary embodiment of the disclosure.
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Fig. 1 is a kind of configuration diagram of boiler system shown in one exemplary embodiment of the disclosure.As shown in Figure 1, institute
The system of stating includes：
Boiler 100 is connected to the inlet pipeline 200 of the boiler, is connected to the discharge pipe line 300 of the boiler, and heat exchange
Device 400；
The heat exchanger 400 is arranged on the inlet pipeline 200 and the discharge pipe line 300；
The heat exchanger 400 is used for, by the heat transfer of fluid in the discharge pipe line 300 to the inlet pipeline 200
In fluid.
Boiler feed water is soft water, and at 20 DEG C or so, which is delivered to after oxygen-eliminating device is handled by water inlet water pump temperature
Boiler feed water mouth.After soft water enters boiler, rising, generation high-temperature water and hot steam are heated through boiler heating.The row of boiler
Water is high temperature gas-liquid mixture, and temperature is at 158 DEG C or so.In the related technology, discharging of boiler is expelled directly out into drainage sunk well
Device.Detection is sampled to discharging of boiler for ease of staff, needs to carry out draining additional cooling treatment, cooling water
Consumption is larger and process energy consumption is higher.
And in the scheme of the embodiment of the present disclosure, by being set on the inlet pipeline 200 of boiler 100 and discharge pipe line 300
Thermal 400 is replaced, which can be by the heat transfer of fluid in discharge pipe line 300 to the inlet pipeline 200
In fluid, to reduce boiler 100 draining temperature, reduce row water cooling equipment power consumption.Meanwhile boiler can be improved
The temperature of 100 water inlets, is conducive to the recycling of 100 thermal energy of boiler, improves the energy utilization rate of boiler 100.Also, improve boiler
The water temperature of 100 water inlets can reduce the pressure oscillation inside boiler 100, promote the stability that boiler 100 operates.
On the basis of Fig. 1, the embodiment of the present disclosure also provides another boiler system, as shown in Fig. 2, the discharge pipe line
300 include continuous blowdown pipeline section 310, periodical blowdown pipeline section 320 and shared blowdown pipeline section 330；
First end of the continuous blowdown pipeline section 310 is connected to the boiler 100, and the second of the continuous blowdown pipeline section 310
It is terminated at the first end of the shared blowdown pipeline section 330；
First end of the periodical blowdown pipeline section 320 is connected to the boiler 100, and the second of the periodical blowdown pipeline section 320
It is terminated at the first end of the shared blowdown pipeline section 330；
The shared blowdown pipeline section 330 in the inlet pipeline 200 and the discharge pipe line 300 is arranged in the heat exchanger 400
On；
The heat exchanger 400 is used for, by the heat transfer of fluid in the shared blowdown pipeline section 330 to the inlet pipeline
Fluid in 200.
The draining converged in blowdown pipeline section 330 in continuous blowdown pipeline section 310 and periodical blowdown pipeline section 320 is shared, in this way
Can make high warm water discharge it is lasting flow through thermoconverter 400, so that the fluid in inlet pipeline 200 is persistently received the heat of high warm water discharge
Amount, reduces the temperature fluctuation of water inlet, to reduce the variation of pressure in boiler 100, the operating of boiler 100 is made more to stablize.
Optionally, as shown in Fig. 2, the system also includes：
The pressure sensor 500 being placed on the shared blowdown pipeline section 330, is connected with the pressure sensor 500
Drain valve control module 600；
The drain valve control module 600 is used for, and the shared blowdown pipeline section is detected by the pressure sensor 500
Pressure value in 330；When the pressure value is in preset pressure value range, the valve of the continuous blowdown pipeline section 310 is controlled
311 close.
It is worth noting that with 100 inside evaporation of boiler, need that the high alkalinity inside boiler 100 is periodically discharged
A large amount of impurity in water and water.The periodical blowdown pipeline section 320 is generally connected to the discharge outlet of lower portion thereof, in this way, by boiler
The influence of elevation hydraulic pressure, the fluid in periodical blowdown pipeline section 320 has elevated pressures, to avoid impurity from being deposited on pipe-line equipment
In.And continuous blowdown pipeline section 310 is mainly used for that boiler internal upper part gas-liquid mixture is continuously discharged, in the continuous blowdown pipeline section 310
Fluid pressure it is relatively low.If not turning off the valve of continuous blowdown pipeline section 310 in time when opening periodical blowdown 320 valve of pipeline section,
Since the Fluid pressure between two pipeline sections is different, sewage in pipeline section can be caused to flow back through continuous blowdown pipeline section 310.
Therefore, the pressure value shared in blowdown pipeline section 330 can be monitored by the way that pressure sensor 500 is arranged, and in pressure
When value is in preset pressure value range, the valve 311 for controlling the continuous blowdown pipeline section 310 is closed, to avoid sewage through continuous
Blowdown pipeline section 310 flows back.
Further, it is also possible to whether determine the periodical blowdown pipeline section 320 by the flow of each pipeline section in discharge pipe line 300
Just in blowdown, to turn off continuous blowdown pipeline section 310 in time.
Further, as shown in Fig. 2, being additionally provided with Check valve 312 on the continuous blowdown pipeline section 310.The backflow
Valve 312 has one-way conduction performance, can further avoid sewage and flow back through continuous blowdown pipeline section 310, to ensure boiler
Normal operation.
Fig. 3 is the configuration diagram of another boiler system shown in one exemplary embodiment of the disclosure.As shown in figure 3,
The system also includes：It is connected to the bypass inlet pipeline 700 of the boiler 100, inlet valve control module 800, with the water inlet
The connected water inflow monitoring device 900 of valve control module 800；
The water inflow monitoring device 900 is used for, and is sampled in the inlet pipeline 200 and is heated through the heat exchanger 400 respectively
Fluid after being heated through the heat exchanger 400 in fluid and the inlet pipeline 200 before, and according to sampled result
Analysis obtains the fluid in the inlet pipeline 200 and heats front and back Parameters variation result through the heat exchanger 400；
The inlet valve control module 800 is used for, when the Parameters variation result and parameter preset variation range are not inconsistent,
The valve 201 for controlling the inlet pipeline 200 turns off, and the valve 202 for controlling the bypass inlet pipeline 700 is opened.
Optionally, the water inflow monitoring device 900 includes：Flow monitoring module, water quality monitoring module.
It is worth noting that the failures such as tube wall breakage are likely to occur inside heat exchanger 400, the sewage in discharge pipe line 300
It leaks in inlet pipeline 200, causes to be contaminated into water.It therefore, can be by fluid in monitoring inlet pipeline 200 through changing
Hot device 400 heats front and back Parameters variation, to judge whether heat exchanger 400 exception occurs.For example, in monitoring inlet pipeline 200
Fluid is heating front and back changes in flow rate amount through heat exchanger 400, if changes in flow rate is more than preset flow change threshold, it is determined that
Inlet pipeline 200 leaks.For another example, can also monitor fluid in inlet pipeline 200 heated through heat exchanger 400 it is front and back
Change of water quality amount, for example, basicity variable quantity, impurity variable quantity, when determining that change of water quality amount is more than default basicity change threshold,
Determine that the fluid in inlet pipeline 200 is contaminated.
Further, the inlet pipeline 200 includes spare water inlet sewage draining exit 210；The inlet valve control module 800 is used
In, when the Parameters variation result and parameter preset variation range are not inconsistent, the valve of the control spare water inlet sewage draining exit 210
203 open, the fluid in the inlet pipeline 200 is discharged.
Optionally, the system also includes：Be connected to the water inlet water pump 220 of the inlet pipeline 200, and with the water inlet
The connected water inlet testing pump converter plant of water pump 220.
In addition, the system also includes：Pumping monitoring device, the parameter for monitoring fluid in the discharge pipe line.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of boiler system, which is characterized in that the system comprises：
Boiler (100) is connected to the inlet pipeline (200) of the boiler (100), is connected to the discharge pipe line of the boiler (100)
(300) and heat exchanger (400)；
The heat exchanger (400) is arranged on the inlet pipeline (200) and the discharge pipe line (300)；
The heat exchanger (400) is used for, by the heat transfer of fluid in the discharge pipe line (300) to the inlet pipeline
(200) fluid in.
2. system according to claim 1, which is characterized in that the discharge pipe line (300) includes continuous blowdown pipeline section
(310), periodical blowdown pipeline section (320) and shared blowdown pipeline section (330)；
First end of the continuous blowdown pipeline section (310) is connected to the boiler (100), and the of the continuous blowdown pipeline section (310)
Two ends are connected to the first end of the shared blowdown pipeline section (330)；
First end of the periodical blowdown pipeline section (320) is connected to the boiler (100), and the of the periodical blowdown pipeline section (320)
Two ends are connected to the first end of the shared blowdown pipeline section (330)；
Shared blowdown pipeline section of heat exchanger (400) setting in the inlet pipeline (200) and the discharge pipe line (300)
(330) on；
The heat exchanger (400) is used for, by the heat transfer of fluid in the shared blowdown pipeline section (330) to the inlet pipeline
(200) fluid in.
3. system according to claim 2, which is characterized in that the system also includes：
The pressure sensor (500) being placed on the shared blowdown pipeline section (330), is connected with the pressure sensor (500)
Drain valve control module (600)；
The drain valve control module (600) is used for, and the shared blowdown pipeline section is detected by the pressure sensor (500)
(330) pressure value in；When the pressure value is in preset pressure value range, the continuous blowdown pipeline section (310) is controlled
Valve (311) is closed.
4. system according to claim 2, which is characterized in that be additionally provided with non-return on the continuous blowdown pipeline section (320)
Flow valve (312).
5. system according to claim 1, which is characterized in that the system also includes：It is connected to the side of the boiler (100)
Logical inlet pipeline (700).
6. system according to claim 5, which is characterized in that the system also includes：
Inlet valve control module (800), the water inflow monitoring device (900) being connected with the inlet valve control module (800)；
The water inflow monitoring device (900) is used for, and samples in the inlet pipeline (200) and adds through the heat exchanger (400) respectively
Fluid after being heated through the heat exchanger (400) in fluid and the inlet pipeline (200) before heat, and according to adopting
Sample interpretation of result obtains the fluid in the inlet pipeline (200) through the front and back Parameters variation knot of the heat exchanger (400) heating
Fruit；
The inlet valve control module (800) is used for, when the Parameters variation result and parameter preset variation range are not inconsistent, control
Valve (201) shutdown of the inlet pipeline (200) is made, and the valve (202) for controlling the bypass inlet pipeline (700) is opened
It opens.
7. system according to claim 6, which is characterized in that the water inflow monitoring device (900) includes：
Flow monitoring module, water quality monitoring module.
8. system according to claim 6, which is characterized in that the inlet pipeline (200) includes spare water inlet sewage draining exit
(210)；
The inlet valve control module (800) is used for, when the Parameters variation result and parameter preset variation range are not inconsistent, control
The valve (203) for making the spare water inlet sewage draining exit (210) is opened, the fluid in the inlet pipeline (200) is discharged.
9. according to claim 1-7 any one of them systems, which is characterized in that the system also includes：
Pumping monitoring device, the parameter for monitoring fluid in the discharge pipe line (300).
10. according to claim 1-7 any one of them systems, which is characterized in that the system also includes：
It is connected to the water inlet water pump (220) of the inlet pipeline (200), and the water inlet water being connected with the water inlet water pump (220)
Pump adjusts converter plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001959.5A CN108302518A (en) | 2018-01-02 | 2018-01-02 | Boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001959.5A CN108302518A (en) | 2018-01-02 | 2018-01-02 | Boiler system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302518A true CN108302518A (en) | 2018-07-20 |
Family
ID=62868180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810001959.5A Pending CN108302518A (en) | 2018-01-02 | 2018-01-02 | Boiler system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302518A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307591A (en) * | 2013-05-24 | 2013-09-18 | 北京石油化工工程有限公司 | Boiler blow down system |
| RU2580852C1 (en) * | 2015-03-17 | 2016-04-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Boiler plant |
| CN206073046U (en) * | 2016-09-29 | 2017-04-05 | 北京首都机场动力能源有限公司 | A kind of boiler blow-off waste heat using device |
| CN206739262U (en) * | 2017-04-26 | 2017-12-12 | 佛山市顺德金纺集团有限公司 | Boiler blow-off waste heat recovery device |
-
2018
- 2018-01-02 CN CN201810001959.5A patent/CN108302518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307591A (en) * | 2013-05-24 | 2013-09-18 | 北京石油化工工程有限公司 | Boiler blow down system |
| RU2580852C1 (en) * | 2015-03-17 | 2016-04-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Boiler plant |
| CN206073046U (en) * | 2016-09-29 | 2017-04-05 | 北京首都机场动力能源有限公司 | A kind of boiler blow-off waste heat using device |
| CN206739262U (en) * | 2017-04-26 | 2017-12-12 | 佛山市顺德金纺集团有限公司 | Boiler blow-off waste heat recovery device |
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Application publication date: 20180720 |