CN107394964A - A kind of descaling and antiscaling engine cooler and antiscaling method - Google Patents
A kind of descaling and antiscaling engine cooler and antiscaling method Download PDFInfo
- Publication number
- CN107394964A CN107394964A CN201710671656.XA CN201710671656A CN107394964A CN 107394964 A CN107394964 A CN 107394964A CN 201710671656 A CN201710671656 A CN 201710671656A CN 107394964 A CN107394964 A CN 107394964A
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- China
- Prior art keywords
- cooling
- cooler
- antiscaling
- cooling line
- descaling
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- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 88
- 239000007787 solid Substances 0.000 claims abstract description 45
- 239000002245 particle Substances 0.000 claims abstract description 36
- 230000006378 damage Effects 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 16
- 230000001351 cycling effect Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 25
- 239000002826 coolant Substances 0.000 abstract description 5
- 238000013019 agitation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000001257 hydrogen Substances 0.000 description 14
- 229910052739 hydrogen Inorganic materials 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- 238000010248 power generation Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of descaling and antiscaling engine cooler, feed compartment and cooler including inert solid particle can be accommodated, the cooling cavities of cooler is connected with generator by pipeline, inert solid particle is added into the cooling water of cooler by feed compartment, due to destruction of the fluidizing inert solid particle to boundary layer and the agitation to cooling water, prevent solute from forming degree of supersaturation in the solution of boundary layer, extend the induction period of fouling, so as to reach antiscale purpose；In addition, because inert solid particle increases the heat transfer coefficient of cooling water so that the wall temperature of cooling line declines, and is also beneficial to antiscale.The invention also discloses a kind of antiscaling method of engine cooler, by being passed through inert solid particle in the coolant to engine cooler, make coolant that there is the solid contact condition of the stream of fluidized bed type, the solute in coolant is prevented to form degree of supersaturation in the solution of boundary layer, so as to reach the purpose of antiscale.
Description
Technical field
The present invention relates to field of thermal power, more particularly to a kind of descaling and antiscaling engine cooler and antiscale side
Method.
Background technology
Thermal power generation is to be converted into the one of electric energy by generation power device in heat energy caused by burning using combustible
Kind generation mode, Chinese rich coal resources, now thermal power generation still have great potential.Thermal power generation is generally referred to using can
Heat energy caused by combustion things burning heats water, water is become high temperature, high-pressure steam, then again by vapor pushing generator
Come the general name of mode to generate electricity.The flow of thermal power generation is different according to prime mover used, in steam turbine power generation mode, its basic flow
Journey is that fuel first is sent into boiler, while is sent into air, and chemically treated feedwater is passed through in boiler injection, is released using fuel combustion
Heat energy water is become high temperature, high steam, driving steam turbine rotation work done and drive electrical power generators；Cogeneration of heat and power mode is then
It is to industrial production or resident living heat supply in the steam discharge using prime mover；In gas turbine power generation mode, basic procedure is
It will be burnt with compressor behind compressed air press-in combustion chamber, with the fuel mixed aerosol of penetrating, form high-temperature fuel gas
Into gas turbine expansion working, promote the blade of turbine to rotate and drive electrical power generators；In diesel power generation, basic flow
Journey is that fuel oil high pressure is sprayed into cylinder with injection pump and fuel injector, and formation is vaporific, with air mixed combustion, promotes diesel engine rotation
And drive electrical power generators.
Cooler of electric motor is the main heat exchanger components of motor, is the staple product for maintaining motor operation, directly affects motor
Temperature rise, output and life-span, all steam turbine generators, hydrogenerator, AC/DC motor will use cooler of electric motor, should
It is extremely extensive with scope, played an important role in national economy.The fouling of heat transmission equipment, it is that thermal power industry is generally deposited
The problem of, heat transmission equipment fouling, fail to solve for a long time, be restrict production an important bottleneck.Investigation shows, more than 90%
Heat transmission equipment various degrees scale problems, had a strong impact on the normal operation of heat transmission equipment, caused huge
Economic loss and energy waste.
Therefore, how to improve in the prior art, the present situation of the easy fouling of generating machine heat exchanger, be those skilled in the art urgently
The problem of to be solved.
The content of the invention
It is an object of the invention to provide a kind of descaling and antiscaling engine cooler, to solve existing for above-mentioned prior art
Problem, enable the effective antiscale of generating machine heat exchanger, improve energy utilization rate.
To achieve the above object, the invention provides following scheme：The present invention provides a kind of descaling and antiscaling generator cooling
Device, including the dosage unit and cooling unit being sequentially connected；
The dosage unit includes that the feed compartment of inert solid particle can be accommodated；
The cooling unit includes cooler, and the cooler includes cooling line and cooling cavities, the cooling line
Set through the cooling cavities, the cooling line is connected with external water source, and the cooling cavities passes through pipe with generator
Road is connected；
The feed compartment is connected by pipeline with the entrance of the cooling line.
Preferably, descaling and antiscaling engine cooler also includes cycling element, and the cycling element includes separation of solid and liquid
Device, the solid-liquid separator are connected with the outlet of the cooling line.
Preferably, the solid-liquid separator is connected with the feed compartment and external water source respectively.
Preferably, the dosage unit also includes distributor, and the distributor is arranged at the feed compartment and the cooling
Between unit, the distributor is arranged in the porch or the cooler of the cooling line.
Preferably, charge door is also set up on the distributor.
Preferably, low-lift pump is set between the feed compartment and the distributor.
Preferably, circulating pump is set between the entrance of the cooling line and external water source, the feed compartment with it is described cold
But low-lift pump is set between device.
Preferably, check-valves is set between the entrance of the cooling line and external water source.
The present invention also provides a kind of antiscaling method of engine cooler, comprises the steps of：
Step 1: the cooling line of cooler is connected with external water source；
Step 2: inputting inert solid particle into the cooling line of cooler by feed compartment, inert solid particle is made
Even suspension enters in the cooling line of cooler in recirculated water, and inert solid particle can be to the side of recirculated water in cooling line
Interlayer damages, and prevents solute from forming degree of supersaturation in boundary layer, extends induction period of scaling.
The present invention achieves following technique effect relative to prior art：The present invention antiscale generator cooler include according to
Secondary connected dosage unit and cooling unit, wherein, dosage unit includes that the feed compartment of inert solid particle, cooling can be accommodated
Unit includes cooler, and cooler includes cooling line and cooling cavities, and cooling line is set through cooling cavities, cooling line
It is connected with external water source, cooling cavities is connected with generator by pipeline, and feed compartment is entered by pipeline and cooling line
Mouth is connected.Inert solid particle is added into the cooling water of cooler by feed compartment, due to fluidizing inert solid particle pair
The destruction in boundary layer and the agitation to cooling water, prevent solute from forming degree of supersaturation in the solution of boundary layer, extend luring for fouling
The phase is led, so as to reach antiscale purpose；In addition, because inert solid particle increases the heat transfer coefficient of cooling water so that cold
But the wall temperature of pipeline declines, and is also beneficial to antiscale.The invention also discloses a kind of antiscaling method of engine cooler, pass through
Inert solid particle is passed through into the coolant of engine cooler, the appearance features of similar fluid is made it have, makes cooling
Liquid has the solid contact condition of the stream of fluidized bed type, prevents the solute in coolant from forming degree of supersaturation in the solution of boundary layer, from
And reach the purpose of antiscale.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of descaling and antiscaling engine cooler of the present invention；
Wherein, 1 is feed compartment, and 2 be cooler, and 3 be external water source, and 4 be generator, and 5 be solid-liquid separator, and 6 be distribution
Device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of descaling and antiscaling engine cooler, to solve existing for above-mentioned prior art
Problem, enable the effective antiscale of generating machine heat exchanger, improve energy utilization rate.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Fig. 1 is refer to, Fig. 1 is the overall structure diagram of descaling and antiscaling engine cooler of the present invention.
The present invention provides a kind of descaling and antiscaling engine cooler, including the dosage unit being sequentially connected and cooling list
Member；
Dosage unit includes that the feed compartment 1 of inert solid particle can be accommodated；
Cooling is single to include cooler 2, and cooler 2 includes cooling line and cooling cavities, and cooling line passes through cooling cavities
Set, cooling line is connected with external water source 3, and cooling cavities is connected with generator 4 by pipeline；
Feed compartment 1 is connected by pipeline with the entrance of cooling line.
When generator 4 is run, the fan of generator 4 pressurizes hot hydrogen, hot hydrogen is entered the cooling cavities of cooler 2
In cooled down, the hydrogen after cooling is used for the rotor of generator 4 and cooled, and the hot hydrogen for completing heat exchange is returned to cooling
In device 2, recycle, the cooling line of cooler 2 communicates with external water source 3, and the cooling water in cooling line enters with hot hydrogen
Row heat exchange, cool for hot hydrogen.Inert solid particle is added into the cooling water of cooler 2 by feed compartment 1, makes inertia
Solid particle has the appearance features of similar fluid, cooling water is had the solid contact condition of the stream of fluidized bed type, lazy due to fluidizing
Property destruction of the solid particle to the boundary layer and agitation to cooling water, prevent the solute in cooling water from being formed in the solution of boundary layer
Degree of supersaturation, extend the induction period of fouling, so as to reach antiscale purpose；In addition, due to inert solid particle increase it is cold
But the heat transfer coefficient of water so that the wall temperature of cooling line declines, and is also beneficial to antiscale.
It should be noted that " water " in cooling water mentioned above is simply generally called, distilled water, many institutes are not represented
It is known, several mineral materials and trace element are contained in water, so strictly speaking external water source is as cooling water, in cooling line
Cooling water is substantially to cool down solution, so solute in the cooling water mentioned not contradiction.
Specifically, descaling and antiscaling engine cooler also includes cycling element, and cycling element includes solid-liquid separator 5,
Solid-liquid separator 5 is connected with the outlet of cooling line.In the cooling water for adding inert solid particle heat is completed with hot hydrogen
After exchange, separation of solid and liquid is carried out into solid-liquid separator 5.Solid-liquid separator 5 also respectively with feed compartment 1 and the phase of external water source 3
Even, water and inert solid particle after separation can recycle again, save the energy.
More specifically, dosage unit also includes distributor 6, distributor 6 is arranged between feed compartment 1 and cooling unit, point
Cloth device 6 is arranged at the porch of cooling line.Distributor 6 can make inert solid particle be evenly distributed in cooling water, strengthen
The antiscaling effect of cooler 2.
Wherein, charge door is also set up on distributor 6, due to the marginal existence dead zone of distributor 6, to ensure distributor
The inert solid particle of 6 edge zones is evenly distributed, and charge door is especially set on distributor 6, for individually to the side of distributor 6
Margin zone conveys inert solid particle.
Further, low-lift pump is set between feed compartment 1 and distributor 6, low pressure is set between feed compartment 1 and cooler 2
Pump, ensure the normal conveying of inert solid particle.
Further, circulating pump is set between the entrance of cooling line and external water source 3, it is ensured that the normal confession of cooling water
Give.
Check-valves is set between the entrance and external water source 3 of cooling line, prevents from cooling down aqueous reflux.
The present invention also provides a kind of antiscaling method of engine cooler, comprises the steps of：
Step 1: the cooling line of cooler is connected with external water source；
Step 2: inputting inert solid particle into the cooling line of cooler by feed compartment, inert solid particle is made
Even suspension enters in the cooling line of cooler in recirculated water, and inert solid particle can be to the side of recirculated water in cooling line
Interlayer damages, and prevents solute from forming degree of supersaturation in boundary layer, extends induction period of scaling.
The descaling and antiscaling engine cooler of the present invention, including feed compartment 1, cooling chamber 2 and the solid-liquid being sequentially connected point
From device 5, the cooling line of cooling chamber 2 is connected with external water source 3, and cooling cavities and the generator 4 of cooling chamber 2 pass through pipeline phase
Even, when generator 4 is run, the fan of generator 4 pressurizes hot hydrogen, makes hot hydrogen enter in the cooling cavities of cooler 2
Row cooling, the hydrogen after cooling are used for cooling for the rotor of generator 4, and the hot hydrogen for completing cooling work comes back to cooling
Cooled down, recycled in device 2, the cooling line of cooler 2 communicates with external water source 3, the cooling water in cooling line with
Hot hydrogen carries out heat exchange, cools for hot hydrogen.Inert solid is added into the cooling water of cooler 2 by feed compartment 1
Grain, make inert solid particle that there are the appearance features of similar fluid, make cooling water that there is the solid contact condition of the stream of fluidized bed type, by
In destruction of the fluidizing inert solid particle to boundary layer and the agitation to cooling water, prevent the solute in cooling water molten in boundary layer
Degree of supersaturation is formed in liquid, extends the induction period of fouling, so as to reach antiscale purpose；In addition, due to inert solid particle
Increase the heat transfer coefficient of cooling water so that the wall temperature of cooling line declines, and is also beneficial to antiscale.Heat is completed with hot hydrogen to hand over
The cooling water containing inert solid particle changed, which enters in solid-liquid separator 5, carries out separation of solid and liquid, the inert solid isolated
Grain, which is reentered in feed compartment 1, to be recycled, and the water isolated is connected with external water source 3, improves energy utilization rate.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content
It should not be construed as limiting the invention.
Claims (9)
- A kind of 1. descaling and antiscaling engine cooler, it is characterised in that：Including the dosage unit being sequentially connected and cooling unit；The dosage unit includes that the feed compartment of inert solid particle can be accommodated；The cooling unit includes cooler, and the cooler includes cooling line and cooling cavities, and the cooling line passes through The cooling cavities is set, and the cooling line is connected with external water source, and the cooling cavities passes through pipeline phase with generator Connection；The feed compartment is connected by pipeline with the entrance of the cooling line.
- 2. descaling and antiscaling engine cooler according to claim 1, it is characterised in that：Also include cycling element, institute Stating cycling element includes solid-liquid separator, and the solid-liquid separator is connected with the outlet of the cooling line.
- 3. descaling and antiscaling engine cooler according to claim 2, it is characterised in that：The solid-liquid separator difference It is connected with the feed compartment and external water source.
- 4. descaling and antiscaling engine cooler according to claim 1, it is characterised in that：The dosage unit also includes Distributor, the distributor are arranged between the feed compartment and the cooling unit, and the distributor is arranged at the cooling In the porch of pipeline or the cooler.
- 5. descaling and antiscaling engine cooler according to claim 4, it is characterised in that：Also set up on the distributor Charge door.
- 6. descaling and antiscaling engine cooler according to claim 4, it is characterised in that：The feed compartment with described point Low-lift pump is set between cloth device, low-lift pump is set between the feed compartment and the cooler.
- 7. descaling and antiscaling engine cooler according to claim 1, it is characterised in that：The entrance of the cooling line Circulating pump is set between external water source.
- 8. descaling and antiscaling engine cooler according to claim 1, it is characterised in that：The entrance of the cooling line Check-valves is set between external water source.
- 9. a kind of antiscaling method of engine cooler, it is characterised in that using the scale removal described in claim any one of 1-8 Antiscale engine cooler, and comprise the steps of：Step 1: the cooling line of cooler is connected with external water source；Step 2: inputting inert solid particle into the cooling line of cooler by feed compartment, make inert solid particle uniform It is suspended in recirculated water into the cooling line of cooler, inert solid particle can be to the boundary layer of recirculated water in cooling line Damage, prevent solute from forming degree of supersaturation in boundary layer, extend induction period of scaling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671656.XA CN107394964A (en) | 2017-08-08 | 2017-08-08 | A kind of descaling and antiscaling engine cooler and antiscaling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671656.XA CN107394964A (en) | 2017-08-08 | 2017-08-08 | A kind of descaling and antiscaling engine cooler and antiscaling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394964A true CN107394964A (en) | 2017-11-24 |
Family
ID=60355197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671656.XA Pending CN107394964A (en) | 2017-08-08 | 2017-08-08 | A kind of descaling and antiscaling engine cooler and antiscaling method |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5097669A (en) * | 1991-02-11 | 1992-03-24 | Westinghouse Electric Corp. | Control of hydrogen cooler employed in power generators |
| CN2857319Y (en) * | 2005-12-13 | 2007-01-10 | 中国神华能源股份有限公司 | Generator with whole fins hydrogen cooler |
| CN105781702A (en) * | 2016-04-28 | 2016-07-20 | 浙江大唐国际绍兴江滨热电有限责任公司 | Cooling system of generating unit |
| CN106595351A (en) * | 2015-10-15 | 2017-04-26 | 中国石油化工股份有限公司 | Anti-scaling and de-scaling heat exchanger for fluidized bed |
| CN207053326U (en) * | 2017-08-08 | 2018-02-27 | 北京必可测科技股份有限公司 | A kind of descaling and antiscaling engine cooler |
-
2017
- 2017-08-08 CN CN201710671656.XA patent/CN107394964A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5097669A (en) * | 1991-02-11 | 1992-03-24 | Westinghouse Electric Corp. | Control of hydrogen cooler employed in power generators |
| CN2857319Y (en) * | 2005-12-13 | 2007-01-10 | 中国神华能源股份有限公司 | Generator with whole fins hydrogen cooler |
| CN106595351A (en) * | 2015-10-15 | 2017-04-26 | 中国石油化工股份有限公司 | Anti-scaling and de-scaling heat exchanger for fluidized bed |
| CN105781702A (en) * | 2016-04-28 | 2016-07-20 | 浙江大唐国际绍兴江滨热电有限责任公司 | Cooling system of generating unit |
| CN207053326U (en) * | 2017-08-08 | 2018-02-27 | 北京必可测科技股份有限公司 | A kind of descaling and antiscaling engine cooler |
Non-Patent Citations (1)
| Title |
|---|
| 西安电力高等专科学校等, 中国电力出版社 * |
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Application publication date: 20171124 |
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