CN106288939B - A kind of full-automatic on-line cleaning device suitable for sewage heat exchanger - Google Patents
A kind of full-automatic on-line cleaning device suitable for sewage heat exchanger Download PDFInfo
- Publication number
- CN106288939B CN106288939B CN201610919553.6A CN201610919553A CN106288939B CN 106288939 B CN106288939 B CN 106288939B CN 201610919553 A CN201610919553 A CN 201610919553A CN 106288939 B CN106288939 B CN 106288939B
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- Prior art keywords
- water
- heat exchanger
- temperature sensor
- sewage
- electronic valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
Abstract
The invention discloses a kind of full-automatic on-line cleaning device suitable for sewage heat exchanger, including water knockout drum, water collector, the first temperature sensor, second temperature sensor, three-temperature sensor and the 4th temperature sensor and flowmeter；Water delivery nozzle is provided with water knockout drum, discharge outlet is provided with water collector, bar shaped spout is provided with water knockout drum and heat exchanger sewage runner upper and lower surface intersection, bar shaped inlet is provided with water collector and heat exchanger sewage runner lower surface intersection；Water delivery nozzle is connected by the first two-way electronic valve and water pump with feed pipe, and automatic dosing apparatus is connected with feed pipe；The second two-way electronic valve is connected with discharge outlet；Automatic dosing apparatus, water pump, the first two-way electronic valve, the second two-way electronic valve, the first temperature sensor, second temperature sensor, three-temperature sensor, the 4th temperature sensor and flowmeter are connected by communication line with controller.The present invention can ensure that sewage heat exchanger continues Effec-tive Function.
Description
Technical field
The present invention relates to energy field, more particularly to a kind of full-automatic on-line cleaning device suitable for sewage heat exchanger.
Background technology
Wide runner sewage heat exchanger obtains in untreated sewage source heat pump project in recent years because its anti-blockage capability is outstanding
Rapid Popularization.Actual heat exchange efficiency during wide runner sewage heat exchanger use exists larger compared with designing heat exchange efficiency
Decay, it is meant that producing identical heat needs bigger heat transfer temperature difference, and then increases the operation energy consumption of sewage source heat pump unit.
The main reason for causing present situation is substantial amounts of solid waste and oil stain in sewage be present, above-mentioned substance table easily in heat exchanger
Face forms dirt and oil film, causes its heat exchange efficiency drastically to decline.Exist to eliminate in existing wide runner sewage heat exchanger equipment
The drawbacks of, it is necessary to propose more excellent solution.
The content of the invention
The present invention provides one kind for technical problem present in solution known technology can ensure wide runner sewage heat change
Device continues the full-automatic on-line cleaning device of Effec-tive Function.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：One kind is applied to sewage
The full-automatic on-line cleaning device of heat exchanger, including be arranged on the water knockout drum of the sewage heat exchanger side, be arranged on the dirt
The water collector of water- to-water heat exchanger opposite side, the first temperature sensor being arranged on the sewage heat exchanger sewage inlet water pipe, set
The second temperature sensor on the sewage heat exchanger intermediary water out water pipe is put, the sewage heat exchanger sewage is arranged on and goes out
Three-temperature sensor on saliva pipe and the 4th temperature being arranged on the sewage heat exchanger intermediary water inlet water pipe pass
Sensor and flowmeter；Water delivery nozzle is provided with the water knockout drum, discharge outlet is provided with the water collector, in the water knockout drum and
The sewage runner upper and lower surface intersection of the sewage heat exchanger is provided with bar shaped spout, in the water collector and the sewage heat change
The sewage runner lower surface intersection of device is provided with bar shaped inlet；The water delivery nozzle of the water knockout drum by the first two-way electronic valve with
The delivery port connection of water pump, the water inlet of the water pump are connected with feed pipe, and being connected with Automatic Dosing on the feed pipe sets
Standby and check-valves, the check-valves are located at the upstream of the automatic dosing apparatus, the water inlet and running water pipe of the check-valves
Connection；The second two-way electronic valve is connected with the discharge outlet of the water collector, the delivery port of the two-way electronic valve passes through row
Water pipe is connected with by-wash；It is the automatic dosing apparatus, the water pump, first two-way electronic valve, described second electronic
Two-way valve, first temperature sensor, the second temperature sensor, the three-temperature sensor, the 4th temperature
Sensor and the flowmeter are connected by communication line with controller respectively, and the controller is based on first TEMP
The monitoring of device, the second temperature sensor, the three-temperature sensor, the 4th temperature sensor and the flowmeter
Data calculate the heat transfer coefficient of the sewage heat exchanger and are contrasted itself and the initial setup parameter of heat transfer coefficient, according to contrast
Automatic medicine adding apparatus described in output control, the water pump, first two-way electronic valve and second two-way electronic valve open
Stop state.
The water delivery nozzle of multiple water knockout drums being arranged in line is provided with the bottom of the water knockout drum.
The water collector is arranged on institute in rear portion bottom of slope using domatic bottom and top of the slope in front portion, the discharge outlet of the water collector
State the front portion at the domatic bottom of water collector.
The present invention has the advantages and positive effects of：
One) continue efficiently, the dirt and oil stain of sewage heat exchanger sewage water passage surface can be carried out timely and effectively clear
Reason, ensure that sewage heat exchanger continues Effec-tive Function.
Two) scavenging period is short, is cleaned using bar shaped spout heat exchanging device, and spout water velocity is high, spout coverage rate
Product is big, and scavenging period is short.
Three) control is simple, and controller is automatically performed the cleaning of sewage heat exchanger based on Monitoring Data.
Four) energy is saved, sewage heat exchanger Effec-tive Function is the basis of source pump Effec-tive Function, and source pump is efficiently transported
Row means the reduction of source pump operation energy consumption.
It is in summary, of the invention by carrying out automatic on-line cleaning to the dirt in wide runner sewage heat exchanger and oil stain,
It can ensure that wide runner sewage heat exchanger continues Effec-tive Function, reduce energy resource consumption, there is preferable economic benefit and environment
Benefit, a kind of new thinking is provided for the improvement upgrading and popularization of conventional wide runner sewage heat exchanger.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram that the water knockout drum of the present invention and water collector are arranged on sewage heat exchanger both sides；
The facade that Fig. 3 is Fig. 2 cuts open schematic diagram；
Fig. 4 is Fig. 2 floor map.
In figure：1st, automatic dosing apparatus, 2, check-valves, 3, water pump, the 4, first two-way electronic valve, the 5, first TEMP
Device, 6, second temperature sensor, 7, three-temperature sensor, the 8, the 4th temperature sensor, 9, flowmeter, 10, sewage heat exchanger,
11st, the second two-way electronic valve, 12, controller, 13, water knockout drum, 14, bar shaped spout, 15, feed pipe, 16, sewage runner, 17, bar
Shape inlet, 18, water collector, 19, water delivery nozzle, 20, discharge outlet.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Fig. 1~Fig. 4, a kind of full-automatic on-line cleaning device suitable for sewage heat exchanger are referred to, including is arranged on institute
The water knockout drum 13 of the side of sewage heat exchanger 10 is stated, the water collector 18 of the opposite side of sewage heat exchanger 10 is arranged on, is arranged on institute
The first temperature sensor 5 on the sewage inlet water pipe of sewage heat exchanger 10 is stated, the intermediary's water of sewage heat exchanger 10 is arranged on and goes out
Second temperature sensor 6 on saliva pipe, the three-temperature sensor 7 being arranged on the sewage heat exchanger outlet of sewer water pipe
And it is arranged on the 4th temperature sensor 8 and flowmeter 9 on the sewage heat exchanger intermediary water inlet water pipe.
Water delivery nozzle 19 is provided with the water knockout drum 13, discharge outlet 20 is provided with the water collector 18, divides water described
The upper and lower surface intersection of sewage runner 16 of device 13 and the sewage heat exchanger 10 is provided with bar shaped spout 14, in the water collector 18
Bar shaped inlet 17 is provided with the lower surface intersection of sewage runner 16 of the sewage heat exchanger, is easy to collect quilt in time from bottom
The running water and spot utilized, the running water utilized and spot are finally collected in the water collector 18.
The water delivery nozzle 19 of the water knockout drum 13 is connected by the first two-way electronic valve 4 with the delivery port of water pump 3, the water pump
3 water inlet is connected with feed pipe 15, and automatic dosing apparatus 1 and check-valves 2, the non-return are connected with the feed pipe 15
Valve 2 is located at the upstream of the automatic dosing apparatus 1, and the water inlet of the check-valves 2 is connected with running water pipe；In the water collector
The second two-way electronic valve 11 is connected with 18 discharge outlet 20, the delivery port of the two-way electronic valve 11 passes through drainpipe and draining
Pipe trench is connected.
The automatic dosing apparatus 1, the water pump 3, first two-way electronic valve 4, second two-way electronic valve 11,
First temperature sensor 5, the second temperature sensor 6, the three-temperature sensor 7, the 4th TEMP
Device 8 and the flowmeter 9 are connected by communication line with controller 12 respectively, and the controller 12 is passed based on first temperature
Sensor 5, the second temperature sensor 6, the three-temperature sensor 7, the 4th temperature sensor 8 and the flowmeter
9 Monitoring Data calculates the heat transfer coefficient of the sewage heat exchanger 10 and carried out it with the initial setup parameter of heat transfer coefficient pair
Than controlling the automatic medicine adding apparatus 1, the water pump 3, first two-way electronic valve 4 and described second according to comparing result
The start and stop state of two-way electronic valve 11.
The theoretical foundation that analysis calculates Monitoring Data is that the heat transfer coefficient of sewage heat exchanger 10 is with its inner surface spot
Increase and decline, the heat transfer coefficient calculation formula of sewage heat exchanger 10 is as follows:
In formula:
K:The heat transfer coefficient for improving molded breadth runner sewage heat exchanger 10, W/ (㎡ DEG C)；
c：Sewage specific heat capacity, kJ/ (kg. DEG C)；
v：Intermediary's water-carrying capacity that the flowmeter 9 monitors, kg/h；
ρ：The density of sewage, kg/m3；
t1：The monitor value of 4th temperature sensor 6, DEG C；
t2：The monitor value of 4th temperature sensor 8, DEG C；
t3：The monitor value of 4th temperature sensor 6, DEG C；
t4：The monitor value of 4th temperature sensor 7, DEG C；
F：The heat exchange area for improving molded breadth runner sewage heat exchanger 10, ㎡.
In the running of sewage heat exchanger 10, controller 12 heat transfer coefficient of sewage heat exchanger 10 is carried out by when
Calculate.And contrasted result of calculation and the initial setup parameter of heat transfer coefficient, if the heat transfer coefficient of sewage heat exchanger 10 is small
In the initial setup parameter of heat transfer coefficient, it is necessary to be cleaned to the dirt in sewage heat exchanger and oil stain, the controller 12 is controlled
The automatic dosing apparatus 1, the water pump 3, first two-way electronic valve 4, second two-way electronic valve 11 is made to open, from
Pressurizeed after medicament mixing in water and the automatic dosing apparatus 1 into the water pump 3, the mixed solution after pressurization is by described
Water pump 3 is delivered to the water delivery nozzle 19 of the water knockout drum 13, subsequently into the water knockout drum 13, and will by the bar shaped spout 14
Mixed solution is sprayed onto the surface of the sewage runner 16 of the sewage heat exchanger 10, completes the mixed solution after cleaning and is catchmented through bar shaped
Mouth 17 enters the water collector 18, the by-wash then drained into through the discharge outlet 20 in computer room.If sewage heat exchanger 10
Heat transfer coefficient be more than the initial setup parameter of heat transfer coefficient, it is not necessary to the dirt in sewage heat exchanger and oil stain are cleaned,
The controller 12 controls the automatic dosing apparatus 1, water pump 3, first two-way electronic valve 4, described second electronic
Two-way valve 11 is closed.
In the present embodiment, multiple water knockout drums 13 being arranged in line are provided with the bottom of the water knockout drum 13 send water
Mouth 19.The a fairly large number of purpose of water delivery nozzle is to reduce the water velocity in water knockout drum 13, to increase the vertically upper bar shaped of water knockout drum 13
The stable water outlet of spout 14.The water collector 18 is using domatic bottom and top of the slope in rear portion bottom of slope in front portion, the water collector 18
Discharge outlet 20 be arranged on the front portion at the domatic bottom of the water collector, in order to the running water being utilized in the water collector 18 and dirt
The timely discharge of stain.
Although the preferred embodiments of the present invention are described above in conjunction with accompanying drawing, the invention is not limited in upper
The embodiment stated, above-mentioned embodiment is only schematical, be not it is restricted, this area it is common
Technical staff in the case of present inventive concept and scope of the claimed protection is not departed from, may be used also under the enlightenment of the present invention
By make it is many in the form of, these are belonged within protection scope of the present invention.
Claims (3)
1. a kind of full-automatic on-line cleaning device suitable for sewage heat exchanger, it is characterised in that including being arranged on the sewage
The water knockout drum of heat exchanger side, the water collector for being arranged on the sewage heat exchanger opposite side, it is arranged on the sewage heat exchanger dirt
The first temperature sensor on water inlet water pipe, the second temperature being arranged on the sewage heat exchanger intermediary water out water pipe pass
Sensor, the three-temperature sensor being arranged on the sewage heat exchanger outlet of sewer water pipe and it is arranged on the sewage heat change
The 4th temperature sensor and flowmeter on device intermediary water inlet water pipe；
Water delivery nozzle is provided with the water knockout drum, discharge outlet is provided with the water collector, in the water knockout drum and the sewage
The sewage runner upper and lower surface intersection of heat exchanger is provided with bar shaped spout, in the water collector and the sewage of the sewage heat exchanger
Runner lower surface intersection is provided with bar shaped inlet；
The water delivery nozzle of the water knockout drum by the delivery port of the first two-way electronic valve and water pump connect, the water inlet of the water pump with
Feed pipe is connected, and automatic dosing apparatus and check-valves are connected with the feed pipe, and the check-valves adds automatically positioned at described
The upstream of medicine equipment, the water inlet of the check-valves are connected with running water pipe；Is connected with the discharge outlet of the water collector
Two two-way electronic valves, the delivery port of the two-way electronic valve are connected by drainpipe with by-wash；
The automatic dosing apparatus, the water pump, first two-way electronic valve, second two-way electronic valve, described first
Temperature sensor, the second temperature sensor, the three-temperature sensor, the 4th temperature sensor and the flow
Meter is connected by communication line with controller respectively, and the controller is based on first temperature sensor, the second temperature
Sensor, the three-temperature sensor, the Monitoring Data of the 4th temperature sensor and the flowmeter calculate the dirt
The heat transfer coefficient of water- to-water heat exchanger is simultaneously contrasted itself and the initial setup parameter of heat transfer coefficient, according to comparing result control certainly
Move the start and stop state of chemicals dosing plant, the water pump, first two-way electronic valve and second two-way electronic valve.
2. the full-automatic on-line cleaning device according to claim 1 suitable for sewage heat exchanger, it is characterised in that in institute
The bottom for stating water knockout drum is provided with the water delivery nozzle of multiple water knockout drums being arranged in line.
3. the full-automatic on-line cleaning device according to claim 1 suitable for sewage heat exchanger, it is characterised in that described
Water collector using domatic bottom and top of the slope in rear portion bottom of slope in front portion, it is domatic that the discharge outlet of the water collector is arranged on the water collector
The front portion at bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919553.6A CN106288939B (en) | 2016-10-21 | 2016-10-21 | A kind of full-automatic on-line cleaning device suitable for sewage heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919553.6A CN106288939B (en) | 2016-10-21 | 2016-10-21 | A kind of full-automatic on-line cleaning device suitable for sewage heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106288939A CN106288939A (en) | 2017-01-04 |
| CN106288939B true CN106288939B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610919553.6A Active CN106288939B (en) | 2016-10-21 | 2016-10-21 | A kind of full-automatic on-line cleaning device suitable for sewage heat exchanger |
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| CN (1) | CN106288939B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107643015B (en) * | 2017-09-07 | 2019-04-12 | 西安交通大学 | A kind of micro-channel heat exchanger Fouling Monitoring processing system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2841159B2 (en) * | 1994-01-26 | 1998-12-24 | リンナイ株式会社 | Heat exchange equipment |
| CN201653254U (en) * | 2010-01-29 | 2010-11-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Scale cleaning machine of heat exchanger |
| CN105091661A (en) * | 2015-08-06 | 2015-11-25 | 中国石油化工股份有限公司 | Cleaning method of waste water heat exchanger and waste water heat exchange system |
| CN105605965A (en) * | 2016-01-22 | 2016-05-25 | 武汉金惠科技有限公司 | Automatic online cleaning system and method for self-adapting circulating cooling water heat exchanger |
| CN206160806U (en) * | 2016-10-21 | 2017-05-10 | 天津大学建筑设计研究院 | Full automatic on -line belt cleaning device suitable for sewage heat exchanger |
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2016
- 2016-10-21 CN CN201610919553.6A patent/CN106288939B/en active Active
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| CN106288939A (en) | 2017-01-04 |
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Address after: 300072 Tianda architectural creative building (Science and Technology Park), No.192, Anshan West Road, Nankai District, Tianjin Patentee after: Tianjin University architectural design and Planning Research Institute Co.,Ltd. Address before: No.192 Anshan West Road, Nankai District, Tianjin 300073 Patentee before: TIANJIN University RESEARCH INSTITUTE OF ARCHITECTRUAL DESIGN & URBAN PLANNING |