CN110397115A - A kind of water resource heat pump water fetching device and control method suitable for seawater backwater effect area - Google Patents
A kind of water resource heat pump water fetching device and control method suitable for seawater backwater effect area Download PDFInfo
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- CN110397115A CN110397115A CN201910740777.4A CN201910740777A CN110397115A CN 110397115 A CN110397115 A CN 110397115A CN 201910740777 A CN201910740777 A CN 201910740777A CN 110397115 A CN110397115 A CN 110397115A
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- water
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- control valve
- heat pump
- intaking
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 316
- 239000013535 sea water Substances 0.000 title claims abstract description 47
- 230000000694 effects Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 238000011001 backwashing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 14
- 239000013505 freshwater Substances 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 8
- 239000000284 extract Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
Abstract
The present invention relates to a kind of water resource heat pump water fetching devices and control method suitable for seawater backwater effect area, including the water pump being sequentially connected, intake pipe and water intaking portion, water intaking portion includes water-fetching head, water-fetching head is connected with N number of water intaking branch pipe, N number of water intaking branch pipe is spaced setting in the height direction, each water intaking branch pipe connects intake through intake control valve, wherein the intake of extreme lower position is also submerged in water body during river lowest ever known water level, the corresponding river horizontal position of each intake is designed with water temperature sensor and salinity sensor, water pump, intake control valve, water temperature sensor and salinity sensor are all connected with water resource heat pump controller；Intake pipe is also connected with water control valve and backwash water intaking control valve, backwash water intaking control valve one end is connected by backwash intake pipe with backwash intake, the output end of water pump is also parallel with the first control valve and backwash circulation pipe, and backwash circulation pipe is connected by the second control valve with intake pipe control.
Description
Technical field
The present invention relates to water source heat pump technology field more particularly to a kind of water resource heat pumps suitable for seawater backwater effect area
Water fetching device and control method.
Background technique
In water resource heat pump field, surface water heat pump system is used the characteristics of cost is relatively low and construction relative ease with it
The high praise energetically at family.But in actual items implementation process of the coastal area close to the mouth of the river, due to by water inlet operating condition
Restriction, the dry point of water source heat pump units water source side needs to meet: 1, dry point will be located at the thermostat layer in water body, 2, water intaking
Point also has to comply with the water intaking requirement such as operating condition and temperature in dry season, the phase of rising, and 3, it is also contemplated that because of seawater pair caused by tide
Change of water quality caused by river backwater effect is influenced caused by water intaking piping and heat pump unit performance.
In these cases, if using the water fetching device in the conventional river water source heat pump for not having anti-seawater corrosion,
Because seawater pours into river from the mouth of the river when sea level fluctuations rise, water fetching device may from the river water that dry point extracts
Seawater can be mixed, seawater is caused to enter in river water source heat pump unit, be easy to cause the water intaking piping in river water source heat pump unit with
And the corrosion of heat pump unit condenser, the stability and safety of water intaking piping and heat pump unit are impacted.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of water source heat suitable for seawater backwater effect area
Water installations and control method are pumped, which can not only meet river and rise phase and dry season with respect to water level
The big water intaking requirement of drop, moreover it is possible to which further satisfaction extracts the water intaking requirement of fresh water in the river under seawater backwater effect, really
Water conservation water source heat pump water-fetching device annual stable can extract fresh water from the river in seawater backwater effect area, it is ensured that river water source heat
Stable operation is pumped, is not easy by seawater corrosion.
To achieve the above object, the invention adopts the following technical scheme:
A kind of water resource heat pump water fetching device suitable for seawater backwater effect area, including be sequentially connected water pump, intake pipe and take
Water portion, the water intaking portion includes water-fetching head, and the water-fetching head is connected with first and fetches water branch pipe to n-th, quantity N >=2, and the
One is spaced setting to n-th water intaking branch pipe in the height direction, and first to n-th water intaking branch pipe is all connected with intake control
The input terminal of valve, the intake control valve is connected with intake again, wherein the intake for being correspondingly connected with the first water intaking branch pipe is set
It is also submerged in water body in extreme lower position, during river lowest ever known water level, packet is equipped with grid on each intake
Filter, the corresponding river horizontal position of each intake are designed with water temperature sensor and salinity sensor, the water pump,
Intake control valve, water temperature sensor and salinity sensor are all connected with water resource heat pump controller.
Further, the intake pipe is connected with valve well, is equipped with water intaking control valve in the valve well and backwash takes
Water control valve, the water intaking control valve are mounted on the intake pipe, and one end of the backwash water intaking control valve passes through recoil
It washes intake pipe to be connected with backwash intake, the other end of the backwash water intaking control valve passes through the defeated of pipeline and the water pump
Enter end to be connected, the output end of the water pump is parallel with the first control valve and backwash circulation pipe, described to backwash the another of circulation pipe
One end is connected to the intake pipe again by the second control valve.
Further, first control valve passes sequentially through hydrocyclone, hydraulic pipeline and fully automatic counter rinser
It is connected to water source heat pump units.
Further, the water intaking portion is externally provided with fender post, is equipped between the fender post and surrounds enclosing for the water intaking portion
Grille, the water intaking portion bottom in the fender post are equipped with silt sedimentation basin.
Further, it fetches water quantity N >=4 of branch pipe, the vertical interval between adjacent water intaking branch pipe is 0.3-1m.
Further, the water-fetching head is the tubular container of vertically disposed sealing.
A kind of control method of the water resource heat pump water fetching device suitable for seawater backwater effect area comprising following steps:
S1, the setting control program in water resource heat pump controller, control and solution salinity critical value A are arranged in program；
S2, when controlling Programmable detection and being greater than zero less than solution salinity critical value A to each salinity sensor measured value, then detect
The measured value of each water temperature sensor selects measured value to supply water for the corresponding intake of water temperature sensor of minimum temperature, that is, opens
It opens the intake control valve of corresponding intake connection, close the intake control valve on other water intaking branch pipes, be then turned on water pump
For water resource heat pump water supply；
S3, when control Programmable detection to some measured value in salinity sensor be greater than solution salinity critical value A when, enter at this time
Seawater jacking stratified pumping operating condition, closes the intake control valve of the corresponding intake connection of the salinity sensor, then detects ratio
The intake is in higher position and measured value is less than other corresponding water temperatures of salinity sensor of solution salinity critical value A
The real-time measurement values of sensor, reselection measured value are that the corresponding intake of water temperature sensor of minimum temperature supplies water, that is, are opened
The intake control valve of corresponding intake connection turns off other intake control valves fetched water on branch pipes, and opening water pump is
Water resource heat pump supplies water；
S4, when control Programmable detection to all salinity sensors measured value be both greater than solution salinity critical value A when, closing institute
The intake control valve of some intake connections, stops water intaking.
It is S5, further, when control Programmable detection to some salinity sensor measured value be zero when, at this time into dry season
Water intaking operating condition, closes the intake control valve of the corresponding intake connection of the salinity sensor, then detects and be in than the intake
More lower position and measured value less than solution salinity critical value A other corresponding water temperature sensors of salinity sensor it is real-time
Measured value, the corresponding intake of salinity sensor for selecting measured value to be not zero for the water temperature sensor and measured value of minimum temperature
It supplies water.
Further, after unit runs a period of time, water resource heat pump controller runs backwashing procedures, closes described the
One control valve and the water intaking control valve open the backwash water intaking control valve and second control valve, are then turned on described
Water pump and intake control valve are drawn water from backwash intake to the water intaking by the water pump by the backwash intake pipe
Pipe and water intaking portion are rinsed.
The invention has the following beneficial effects:
The intake of multiple and different height is set in water resource heat pump water fetching device of the present invention, and each intake can be according to detector bar
Part individually controls, and can not only accurately and reliably fetch water when fluvial facies are big to the height of water, additionally it is possible in seawater backwater effect area
River in accurately extract fresh water, it is ensured that river water source heat pump can stable operation, be not easy by seawater corrosion.
The device that can be backwashed to intake pipe and water intaking portion is set in water resource heat pump water fetching device of the present invention, it can
The sediment in intake pipe and water intaking portion is periodically removed, avoids the silt in river from blocking pipeline, is guaranteeing water source heat pump units just
Often work.
Rationally, the creative water temperature that is arranged in the river in seawater backwater effect area senses for intake setting in the present invention
Device and salinity sensor can be detected accurately and judge that river rises phase, dry season and seawater jacking phase, and control program being capable of root
The open and close of each intake control valve are accurately controlled according to detection data, can never level intake extract it is most suitable
Fresh water watering heat pump use.
Water intaking portion in the present invention is equipped with fender post and goes along with sb. to guard him grid, and intake is equipped with grid filter, can be better
Intake is protected, intake is avoided to be blocked by silt.
In short, water resource heat pump water fetching device of the present invention be not only suitable for river rise the phase and dry season water intaking use, be also suitable for
It extracts fresh water in the river under seawater backwater effect to use, it is ensured that water resource heat pump water fetching device can be annual stable from seawater
Fresh water is extracted in the river in backwater effect area, it can be ensured that the operation of river water source heat pump long time stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water resource heat pump water fetching device of the present invention part；
Fig. 2 is the structural schematic diagram of the water resource heat pump water fetching device equipped with back purge system；
Fig. 3 is the structural schematic diagram that water resource heat pump water fetching device of the present invention connects water source heat pump units；
Fig. 4 is fender post outside water intaking portion of the present invention and go along with sb. to guard him the structural schematic diagram of gate part；
Fig. 5 is the control flow schematic diagram of water fetching device of the present invention.
Description of symbols:
1, water pump；2, intake pipe；3, water intaking portion；31, water-fetching head；32, water intaking branch pipe；33, intake control valve；34, it fetches water
Mouthful；35, grid filter；36, water temperature sensor；37, salinity sensor；4, valve well；5, water intaking control valve；6, backwash takes
Water control valve；7, intake pipe is backwashed；8, intake is backwashed；9, the first control valve；10, circulation pipe is backwashed；11, the second control
Valve processed；12, hydrocyclone；13, hydraulic pipeline；14, fully automatic counter rinser；15, fender post；16, grid are gone along with sb. to guard him.
Specific embodiment
The present invention is described in further details below in conjunction with the drawings and specific embodiments:
It is shown in Figure 1, a kind of water resource heat pump water fetching device suitable for seawater backwater effect area, including the water pump being sequentially connected
1, intake pipe 2 and water intaking portion 3, the water intaking portion 3 include water-fetching head 31, and the water-fetching head 31 is connected with first to n-th
Water intaking branch pipe 32, quantity N >=2, first to n-th water intaking branch pipe 32 is spaced setting in the height direction, and first to n-th fetches water
Branch pipe 32 is all connected with intake control valve 33, and the input terminal of the intake control valve 33 is connected with intake 34 again, wherein
The intake 34 for being correspondingly connected with the first water intaking branch pipe 32 is set to extreme lower position, is also submerged in water during river lowest ever known water level
In body, packet is equipped with grid filter 35, the corresponding river horizontal position of each intake 34 on each intake 34
It sets and is designed with water temperature sensor 36 and salinity sensor 37, the water pump 1, intake control valve 33, water temperature sensor 36 and salt
Degree sensor 37 is all connected with water resource heat pump controller；It is stored with corresponding control program in water resource heat pump controller, controls journey
Sequence can control water resource heat pump water fetching device automatic running, and control hardware system and control program are as known to those skilled in the art
General technology.
Grid filter 35 is formed by welding by stainless sheet steel and stainless (steel) wire panel.
Shown in Figure 2, the intake pipe 2 is connected with valve well 4, and water intaking control valve 5 and anti-is equipped in the valve well 4
Water intaking control valve 6 is rinsed, the water intaking control valve 5 is mounted on the intake pipe 2, and the one of the backwash water intaking control valve 6
End is connected by backwash intake pipe 7 with backwash intake 8, and the other end of the backwash water intaking control valve 6 passes through pipeline
It is connected with the input terminal of the water pump 1, the output end of the water pump 1 is parallel with the first control valve 9 and backwash circulation pipe 10, institute
The other end for stating backwash circulation pipe 10 is connected to the intake pipe 2 again by the second control valve 11.
Shown in Figure 3, first control valve 9 passes sequentially through hydrocyclone 12, hydraulic pipeline 13 and Full-automatic reverse
Flusher 14 is connected to water source heat pump units, supplies water for water source heat pump units, and the water after water source heat pump units heat exchange is flow back to again
In river, fully automatic counter rinser 14 selects existing equipment on the market, for cleaning water source heat pump units.
Shown in Figure 4, the water intaking portion 3 is externally provided with fender post 15, is equipped with described in surrounding and takes between the fender post 15
Grid 16 are gone along with sb. to guard him in water portion 3, and 3 bottom of water intaking portion in the fender post 15 is equipped with silt sedimentation basin, can be to 3 structure of water intaking portion
Protection is gone along with sb. to guard him at solid, the sundries in river is avoided to cause to impact to water intaking portion 3, can also filter out some impurity in water.
When practice of construction, the quantity for branch pipe 32 of fetching water is chosen according to River Hydrology condition, and basis is convenient in usual quantity N >=4
River regime selects optimal intake.The first water intaking branch pipe, the second water intaking branch pipe, third water intaking can be set in the present embodiment
Branch pipe and the 4th water intaking branch pipe totally four water intaking branch pipes, the vertical interval between adjacent branch pipe 32 of fetching water is according to different rivers
Hydrologic condition is configured, and the vertical interval preferentially chosen is 0.3-1m.
The water-fetching head 31 is the tubular container of vertically disposed sealing, and tubular container generallys use the material of stainless steel
It is made, the shape of tubular container includes cylinder, rectangular cylinder or Polygonal barrel；The total height and water intaking branch pipe 32 of water-fetching head 31
Quantity and spacing match；The bottom of water-fetching head 31 is equipped with fixed concrete pedestal, it is ensured that water-fetching head 31 can be stablized
Be fixed in river.
The control method of the above-mentioned water resource heat pump water fetching device suitable for seawater backwater effect area is as follows: it includes following step
It is rapid:
S1, the setting control program in water resource heat pump controller, control and solution salinity critical value A are arranged in program；Solution salinity
The occurrence of critical value A is chosen according to River Hydrology condition, and solution salinity critical value A avoids being arranged excessive or too small, Ji Yaobao
Card, which can be stablized, extracts the low fresh water of salt content, avoids being drawn into the excessively high water of salt content again, solution salinity such as can be set
Critical value A is 3.5 ‰；The fresh water that water resource heat pump can adapt to lower salt content for a long time uses, but the high seawater of salt content can be very fast
Corrode water resource heat pump.
S2, when controlling Programmable detection and being greater than zero less than solution salinity critical value A to each 37 measured value of salinity sensor,
Illustrate then to detect the measured value of each water temperature sensor 36 for normal river water intaking operating condition at this time, compare measured value
Compared with, select measured value for minimum temperature the corresponding intake 34 of water temperature sensor 36 supply water, that is, open corresponding intake 34
The intake control valve 33 of connection closes other intake control valves 33 fetched water on branch pipes 32, and being then turned on water pump 1 is water source heat
Water supplying pump, the water after heat exchange are flow back in river again；
S3, when controlling Programmable detection and being greater than solution salinity critical value A to some or the certain measured values in salinity sensor 37,
Enter seawater jacking stratified pumping operating condition at this time, because of seawater backwater effect caused by tide, sea level fluctuations slowly rise from river
It flows into Haikou to flow backward in river, since seawater salt content is high, density ratio river is big, and since dry point is generally arranged at water
For stream than more gentle place, the seawater of river and jacking at dry point is usually layered obvious seawater backwater effect in river
Seawater should close the salt on upper layer in lower layer, river in order to avoid being drawn into the excessively high seawater of salt content from intake in region
The intake control valve 33 of the corresponding intake 34 of sensor 37 connection is spent, then detects and is in higher position than the intake 34
And measured value less than solution salinity critical value A other the corresponding water temperature sensors 36 of salinity sensor 37 real-time measurement
Value, is compared measured value, and measured value is finally selected to supply water for the corresponding intake 34 of water temperature sensor 36 of minimum temperature,
It opens the intake control valve 33 of the corresponding connection of intake 34, turn off the intake control valve on other water intaking branch pipes 32
33, water pump 1 is opened as water resource heat pump water supply；
S4, when control Programmable detection to all salinity sensors 37 measured value be both greater than solution salinity critical value A when, explanation
It is substantially saturated with the seawater of reverse irrigation in the seawater backwater effect area in river, at this moment should close taking for all connections of intake 34
Mouth of a river control valve 33 temporarily ceases water intaking, after being refilled with fresh water in the seawater backwater effect area in river after waiting seawater to ebb tide
It fetches water again；As needed, can also when the fresh water retention reservoir of a buffering is arranged in river bank, avoids inwelling water source heat
No suitable fresh water is pumped to use.
S5, when control Programmable detection to some or 37 measured value of certain salinity sensors be zero when, at this time into dry season
It fetches water operating condition, represents the corresponding intake 34 of salinity sensor 37 when because of 37 measured value of salinity sensor being zero and exposed water
Face is not immersed in river, cannot be fetched water from the intake 34, so the corresponding water intaking of salinity sensor 37 need to be closed
The intake control valves 33 of 34 connection of mouth；Then detect again be in more lower position than the intake 34 and measured value be less than it is molten
The real-time measurement values of other the corresponding water temperature sensors 36 of salinity sensor 37 of salt solution degree critical value A, compare measured value
Compared with the salinity sensor 37 for finally selecting measured value to be not zero for the water temperature sensor 36 and measured value of minimum temperature is corresponding to be taken
The mouth of a river 34 is supplied water, that is, is opened the intake control valve 33 of the corresponding connection of intake 34, closed taking on other water intaking branch pipes 32
Mouth of a river control valve 33 is then turned on water pump 1 as water resource heat pump water supply.When actual installation, it need to guarantee to be arranged in the first of extreme lower position
The intake (34) of water intaking branch pipe (32) is also submerged in water body during river lowest ever known water level, is avoided the occurrence of anhydrous desirable
Situation.
The control flow schematic diagram of water resource heat pump water fetching device suitable for seawater backwater effect area is shown in Figure 5.
Due to being fetched water in the river of natural environment, the silt in river can inevitably be brought into during water intaking, therefore
After unit runs a period of time, water resource heat pump controller runs backwashing procedures, closes first control valve 9 and described takes
Water control valve 5 opens the backwash water intaking control valve 6 and second control valve 11, is then turned on the water pump 1 and intake
Control valve 33 is drawn water to the intake pipe 2 and is taken from backwash intake 8 by the backwash intake pipe 7 by the water pump 1
Water portion 3 is rinsed；When backwash, is drawn water, taken out from backwash intake 8 by the backwash intake pipe 7 by the water pump 1
The water taken is by backwash circulation pipe 10 and the second control valve 11 is recycled to the intake pipe 2 and water intaking portion 3 is rinsed, punching
Wash water is flow back in river again after being rinsed to water-fetching head 31, water intaking branch pipe 32, intake control valve 33 and intake 34.It is logical
The regular sediment removed in intake pipe and water intaking portion of backwash is crossed, the silt in river is avoided to block pipeline, guarantees water source heat
Pump assembly works normally.Backwash interval time can be according to being adjusted situations such as silt impurity in river.
The foregoing is merely a specific embodiment of the invention, are not intended to limit the scope of the invention, all benefits
The equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (9)
1. a kind of water resource heat pump water fetching device suitable for seawater backwater effect area, it is characterised in that: including the water being sequentially connected
Pumping (1), intake pipe (2) and water intaking portion (3), the water intaking portion (3) includes water-fetching head (31), water-fetching head (31) connection
There is first to fetch water branch pipe (32) to n-th, quantity N >=2, first to n-th fetches water, and branch pipe (32) interval is set in the height direction
It sets, first to n-th water intaking branch pipe (32) is all connected with intake control valve (33), the input of the intake control valve (33)
End is connected with intake (34) again, wherein the intake (34) for being correspondingly connected with the first water intaking branch pipe (32) is set to extreme lower position, In
It is also submerged in water body during river lowest ever known water level, packet is equipped with grid filter on each intake (34)
(35), the corresponding river horizontal position of each intake (34) is designed with water temperature sensor (36) and salinity sensor
(37), the water pump (1), intake control valve (33), water temperature sensor (36) and salinity sensor (37) all with water resource heat pump
Controller is connected.
2. a kind of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 1, feature exist
In: the intake pipe (2) is connected with valve well (4), and water intaking control valve (5) and backwash water intaking are equipped in the valve well (4)
Control valve (6), the water intaking control valve (5) are mounted on the intake pipe (2), and the one of backwash water intaking control valve (6)
End is connected by backwash intake pipe (7) with backwash intake (8), and the other end of backwash water intaking control valve (6) is logical
Piping is connected with the input terminal of the water pump (1), and the output end of the water pump (1) is parallel with the first control valve (9) and recoil
Wash circulation pipe (10), it is described backwash circulation pipe (10) the other end by the second control valve (11) again with the intake pipe (2)
Connection.
3. a kind of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 2, feature exist
In: first control valve (9) passes sequentially through hydrocyclone (12), hydraulic pipeline (13) and fully automatic counter rinser (14)
It is connected to water source heat pump units.
4. a kind of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 1, feature exist
In: the water intaking portion (3) is externally provided with fender post (15), is equipped between the fender post (15) and surrounds enclosing for water intaking portion (3)
Grille (16), water intaking portion (3) bottom in the fender post (15) are equipped with silt sedimentation basin.
5. a kind of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 1, feature exist
In: quantity N >=4 of water intaking branch pipe (32), the vertical interval between adjacent water intaking branch pipe (32) they are 0.3-1m.
6. a kind of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 1, feature exist
In: the water-fetching head (31) is the tubular container of vertically disposed sealing.
7. a kind of control of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 1 or 2
Method, characterized by the following steps:
S1, the setting control program in water resource heat pump controller, control and solution salinity critical value A are arranged in program；
S2, when controlling Programmable detection and being greater than zero less than solution salinity critical value A to each salinity sensor (37) measured value, then
The measured value for detecting each water temperature sensor (36) selects measured value for the corresponding water intaking of water temperature sensor (36) of minimum temperature
Mouth (34) supplies water, that is, opens the intake control valve (33) of corresponding intake (34) connection, closes other water intakings branch pipe (32)
On intake control valve (33), be then turned on water pump (1) for water resource heat pump water supply；
S3, when control Programmable detection to some or the certain measured values in salinity sensor (37) greater than solution salinity critical value A
When, enter seawater jacking stratified pumping operating condition at this time, closes taking for corresponding intake (34) connection of the salinity sensor (37)
Mouth of a river control valve (33), then detect be in higher position than the intake (34) and measured value and be less than solution salinity critical value A
Salinity sensor (37) other corresponding water temperature sensors (36) real-time measurement values, reselection measured value is minimum temperature
The corresponding intake (34) of water temperature sensor (36) is supplied water, that is, opens the intake control valve of corresponding intake (34) connection
(33), the intake control valve (33) in other water intakings branch pipe (32) is turned off, opens water pump (1) as water resource heat pump water supply；
S4, when control Programmable detection to all salinity sensors (37) measured value be both greater than solution salinity critical value A when, pass
The intake control valve (33) of all intakes (34) connection is closed, water intaking is stopped.
8. a kind of controlling party of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 7
Method, it is characterised in that: when control Programmable detection to some or certain salinity sensors (37) measured value be zero when, at this time into withered
Water phase water intaking operating condition, closes the intake control valve (33) of corresponding intake (34) connection of the salinity sensor (37), then examines
Survey be in more lower position than the intake (34) and measured value be less than solution salinity critical value A salinity sensor (37) it is right
The real-time measurement values for other water temperature sensors (36) answered select measured value as the water temperature sensor (36) of minimum temperature and measure
The corresponding intake (34) of the salinity sensor (37) that value is not zero is supplied water.
9. a kind of controlling party of water resource heat pump water fetching device suitable for seawater backwater effect area according to claim 7
Method, it is characterised in that: after unit runs a period of time, water resource heat pump controller runs backwashing procedures, closes described first
Control valve (9) and the water intaking control valve (5) open backwash water intaking control valve (6) and second control valve (11),
Be then turned on the water pump (1) and intake control valve (33), by the water pump (1) by the backwash intake pipe (7) from anti-
Flushing intake (8), which is drawn water, is rinsed the intake pipe (2) and water intaking portion (3).
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| CN112393461A (en) * | 2020-11-13 | 2021-02-23 | 江西汇恒盛世能源科技有限责任公司 | Water source heat pump water taking control method |
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