CN107787162A - Using the cooling back installation and its application method of pure water medium - Google Patents
Using the cooling back installation and its application method of pure water medium Download PDFInfo
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- CN107787162A CN107787162A CN201610787777.6A CN201610787777A CN107787162A CN 107787162 A CN107787162 A CN 107787162A CN 201610787777 A CN201610787777 A CN 201610787777A CN 107787162 A CN107787162 A CN 107787162A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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Abstract
The present invention relates to general heat exchange or heat-transfer equipment field, specially a kind of cooling back installation and its application method using pure water medium.A kind of cooling back installation using pure water medium, including centrifugal pump (11), cooling water inlet pipe (21), cooling water outlet pipe (22) and external cooling device (31), it is characterized in that：Also include raw water pump (12), small pump (13), first filter (41), the second filter (42), the 3rd filter (43), raw water tank (51), surge tank (52), degassing tank (53), air accumulator (54), ion-exchanger (6) and heater (7).A kind of application method of cooling back installation using pure water medium, it is characterized in that：Including following rate-determining steps：Centrifugal pump (11) operation control；II. Three-way butterfly valve (86) controls；III. heater controls；IV. small pump controls.Cooling effectiveness of the present invention is high, strong adaptability.
Description
Technical field
The present invention relates to general heat exchange or heat-transfer equipment field, specially a kind of circulating cooling using pure water medium fills
Put and its application method.
Background technology
Cooling device using pure water as cooling medium is just obtaining increasingly extensive application, and this cooling device is driven by water pump
After dynamic water circulation, and cooled electronic component radiator heat exchange absorption heat, then pass through outer heat-exchanger and environment generation heat
Exchange, to play a part of cooling.But also there is bulky, hydraulic loss is big, ring for current water circulation cooling device
The defects of border bad adaptability, reduce operating efficiency.
The content of the invention
The defects of in order to overcome prior art, there is provided a kind of cooling effectiveness is high, it is easy to use, be swift in response, strong adaptability
Heat-exchange apparatus, the invention discloses a kind of cooling back installation and its application method using pure water medium.
The present invention reaches goal of the invention by following technical solution：
A kind of cooling back installation using pure water medium, including centrifugal pump, cooling water inlet pipe, cooling water outlet pipe and outer cooling dress
Put, cool down external cooling device of being connected between the water inlet of water inlet pipe and the delivery port of cooling water outlet pipe, cool down the water outlet of water inlet pipe
Mouthful connected valve chamber to be cooled between the water inlet of cooling water outlet pipe, centrifugal pump is connected on cooling water outlet pipe, centrifugal pump
Water inlet connects the water inlet of cooling water outlet pipe, the delivery port of the delivery port connection cooling water outlet pipe of centrifugal pump, in centrifugal pump
Under driving, cooling water is pumped into valve chamber from cooling water inlet pipe, is pumped into outside through cold water outlet pipe after heat exchange heating occurs in valve chamber
Cooling device, reentered after heat exchange cooling occurs for external cooling device as cooled down water inlet pipe,
It is characterized in that：Also include raw water pump, small pump, first filter, the second filter, the 3rd filter, raw water tank, buffering
Tank, degassing tank, air accumulator, ion-exchanger and heater,
The water inlet of raw water pump connects pure water source by normally opened ball valve, and the delivery port of raw water pump is by being sequentially connected in series the first filtering
Device connects the water inlet of raw water tank with the water pipe of normally opened ball valve, and the delivery port of raw water tank connects entering for small pump by normally opened ball valve
The mouth of a river, the delivery port of small pump is by being sequentially connected in series check valve, normally opened ball valve, ion-exchanger, normally opened ball valve, the second filtering
Device connects the water inlet of surge tank with the water pipe of normally opened ball valve, and the delivery port of surge tank is by being sequentially connected in series normally opened butterfly valve, having taken off
Gas tank connects the water inlet of centrifugal pump with the water pipe of normally opened butterfly valve, and heater is provided with degassing tank, and the top of surge tank is provided with row
Air valve, the gas outlet of air accumulator is by being sequentially connected in series normally opened butterfly valve, magnetic valve connects surge tank with the appendix of normally opened ball valve
The air inlet at top；
The delivery port for cooling down water inlet pipe connects the water inlet of valve chamber by normally opened butterfly valve, and the water inlet of cooling water outlet pipe passes through normally opened
Butterfly valve connects the delivery port of valve chamber；
3rd filter is connected on cooling water inlet pipe, and the water inlet of the 3rd filter connects cooling water inlet pipe by normally opened butterfly valve
Water inlet, the delivery port of the 3rd filter connects the delivery port of cooling water inlet pipe by normally opened butterfly valve, and the 3rd filter goes out
The mouth of a river connects the water inlet of ion-exchanger by check valve, and the delivery port of the 3rd filter is also connected by normally opened ball valve to be cooled down
The water inlet of outlet pipe；
Three-way butterfly valve is provided with a water inlet and two delivery ports, the delivery port of the water inlet connection centrifugal pump of Three-way butterfly valve, and three
Two delivery ports of logical butterfly valve connect the water inlet of the 3rd filter and the water inlet of external cooling device respectively, and Three-way butterfly valve passes through
Internal valve rod adjusts the water outlet proportion of two delivery ports.
The described cooling back installation using pure water medium, it is characterized in that：Centrifugal pump, small pump, the second filter,
Three filters, surge tank, ion-exchanger and Three-way butterfly valve all respectively have two, centrifugal pump, small pump, the second filter, the 3rd
Filter, ion-exchanger and Three-way butterfly valve are connected in parallel respectively, and surge tank is connected in series；
Cooling water inlet pipe is connected with cooling water outlet pipe by the water pipe for normally closed butterfly valve of having connected；The water inlet and delivery port of degassing tank
Connected by the water pipe for normally closed butterfly valve of having connected；The water pipe that the water inlet and delivery port of Three-way butterfly valve pass through normally closed butterfly valve of having connected
Connection.
The described cooling back installation using pure water medium, it is characterized in that：Also include flow sensor, TEMP
Device, differential pressure pickup, liquid level sensor, conductivity sensor and controller,
The delivery port series connection flow sensor of centrifugal pump；The delivery port series connection flow sensor of small pump；Cool down water inlet pipe and cold
But all connected on both outlet pipes flow sensor and temperature sensor；Temperature sensor is provided with valve chamber；Differential pressure pickup
Both ends respectively pass through normally opened ball valve connect first filter water inlet and delivery port；The water inlet of second filter and water outlet
Mouth is connected flow sensor respectively；The both ends of differential pressure pickup respectively by normally opened ball valve connect the 3rd filter water inlet and
Delivery port；Liquid level sensor is designed with both raw water tank and surge tank；Conductivity sensor is provided with ion-exchanger；
Centrifugal pump, raw water pump, small pump, magnetic valve, Three-way butterfly valve, flow sensor, temperature sensor, differential pressure pickup, liquid
Level sensor all connects controller with conductivity sensor by signal wire, and controller selects programmable controller.
The application method of the described cooling back installation using pure water medium, it is characterized in that：Including following rate-determining steps：
I. pump operation control is centrifuged：
Two centrifugal pumps one are in backup status in another of running status, when monitoring control devices are expired to following a~e conditions
When sufficient any one, controller switches two respective states of centrifugal pump：
A. a centrifugal pump continuously runs 168hour
B. the flow sensor for being connected on centrifugal pump delivery port monitors that Centrifugal Pump is less than setting value,
C. centrifugal pump overload or overheat；
D. centrifugal pump leak；
E. the power failure of centrifugal pump is driven；
After the state that controller switches two centrifugal pumps, such as the centrifugal pump in running status still suffers from above-mentioned ii or iii and showed
As controller switches two respective states of centrifugal pump again；
When monitoring control devices meet any one to following i and ii conditions, controller sends trip protection instruction and cut off the electricity supply：
I. the flow for cooling down at least one both water inlet pipe and cooling water outlet pipe is low less than the flow of warning value and small pump
In warning value；
Ii. when there is any one in above-mentioned b~e in two centrifugal pumps simultaneously；
II. Three-way butterfly valve controls：
When cooling water inlet pipe is higher than 28 DEG C to the supply water temperature of valve chamber, Three-way butterfly valve is shown in a fully open operation, from cooling water outlet pipe stream
The cooling water for entering the completion heat exchange of Three-way butterfly valve flows into external cooling device, corresponding cooling with maximum ratio through a delivery port
Water with minimum scale through another delivery port by the 3rd filter flow reversal to cooling down water inlet pipe；
When cooling water inlet pipe is less than 25 DEG C to the supply water temperature of valve chamber, Three-way butterfly valve is in full-shut position, from cooling water outlet pipe stream
The cooling water for entering the completion heat exchange of Three-way butterfly valve flows into external cooling device, corresponding cooling with minimum scale through a delivery port
Water with maximum ratio through another delivery port by the 3rd filter flow reversal to cooling down water inlet pipe；
Water inlet pipe is cooled down to the supply water temperature of valve chamber at 25 DEG C~28 DEG C, the state of Three-way butterfly valve between standard-sized sheet and it is fully closed it
Between, the open degree of controller control Three-way butterfly valve valve rod makes cooling water inlet pipe maintain 25 DEG C~28 DEG C to the supply water temperature of valve chamber
Between；
III. heater controls：
When cooling water inlet pipe is not higher than 10 DEG C to the supply water temperature of valve chamber, controller control heater starting；Cool down water inlet pipe pair
When the supply water temperature of valve chamber is not less than 13 DEG C, controller control heater stops；
Water inlet pipe is cooled down to the supply water temperature of valve chamber close to valve chamber dew point（Generally supply water temperature is not more than less than the difference of dew point
2℃）When, controller control heater starting；Cool down water inlet pipe to the supply water temperature of valve chamber higher than 4 DEG C of valve chamber dew point when, control
Device control heater stops；
When centrifugal pump is out of service or be connected on centrifugal pump delivery port flow sensor monitor Centrifugal Pump less than warning
Heater stops during value；
IV. small pump controls：
When the water level in monitoring control devices to surge tank is less than setting value, controller control moisturizing pump operation；
When the water level in monitoring control devices to surge tank is less than warning value, controller sends trip protection instruction and cut off the electricity supply；
When the water level in monitoring control devices to surge tank reaches setting value, controller control small pump stops；
When monitoring control devices to the water level in raw water tank are less than warning value, controller control small pump stops.
For the present invention in use, under the driving of centrifugal pump, cooling water is cold by heat exchange from cooling water inlet pipe input valve chamber
But each part in valve chamber, cooling water after heating input external cooling device through cooling water outlet pipe, after cooling again input cool down into
Water pipe recycles；Pure water is pumped into raw water tank and stored by raw water pump, and when cooling water flow declines, small pump is by raw water tank
Pure water pump out, through ion-exchanger and the second filter filtering and buffered tank voltage stabilizing and degassing tank degasification after inject cooling
Outlet pipe, then it is pumped into cooling of the cooling water inlet pipe participation to valve chamber through centrifugal pump；Each sensor is in real time by flow, temperature, pressure
The parameters such as difference, liquid level and electrical conductivity are transmitted to controller, controller and send various instructions by foundation of parameter, it is ensured that valve chamber obtains
Cooling promptly and accurately, and ensure the normal operation of each part.
The beneficial effects of the invention are as follows：Cooling effectiveness is high, easy to use, is swift in response, strong adaptability.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 be centrifugal pump in the present invention, raw water pump, small pump, magnetic valve, Three-way butterfly valve, flow sensor, temperature sensor,
Differential pressure pickup, liquid level sensor, the connection diagram of conductivity sensor and controller.
Embodiment
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of cooling back installation using pure water medium, including centrifugal pump 11, raw water pump 12, small pump 13, cooling water inlet pipe
21st, cooling water outlet pipe 22, external cooling device 31, first filter 41, the second filter 42, the 3rd filter 43, raw water tank 51,
Surge tank 52, degassing tank 53, air accumulator 54, ion-exchanger 6, heater 7, flow sensor 91, temperature sensor 92, pressure difference
Sensor 93, liquid level sensor 94, conductivity sensor 95 and with controller 100, as depicted in figs. 1 and 2, concrete structure is：
External cooling device 31 of being connected between the water inlet of water inlet pipe 21 and the delivery port of cooling water outlet pipe 22 is cooled down, cools down water inlet pipe
The valve chamber 32 for connecting to be cooled between 21 delivery port and the water inlet of cooling water outlet pipe 22, centrifugal pump 11 are connected on cooling water outlet
On pipe 22, the water inlet of the water inlet connection cooling water outlet pipe 22 of centrifugal pump 11, the delivery port connection cooling water outlet of centrifugal pump 11
The delivery port of pipe 22, under the driving of centrifugal pump 11, cooling water is pumped into valve chamber 32 from cooling water inlet pipe 21, occurs in valve chamber 32
External cooling device 31 is pumped into through cold water outlet pipe 22 after heat exchange heating, is reentered after heat exchange cooling occurs for external cooling device 31
Such as cool down water inlet pipe 21；
The water inlet of raw water pump 12 connects pure water source by normally opened ball valve 81, and the delivery port of raw water pump 12 is by being sequentially connected in series the
One filter 41 connects the water inlet of raw water tank 51 with the water pipe of normally opened ball valve 81, and the delivery port of raw water tank 51 passes through normally opened ball valve
The water inlet of 81 connection small pumps 13, the delivery port of small pump 13 is by being sequentially connected in series check valve 82, normally opened ball valve 81, ion
Exchanger 6, normally opened ball valve 81, the second filter 42 connect the water inlet of surge tank 52, surge tank with the water pipe of normally opened ball valve 81
52 delivery port is by being sequentially connected in series normally opened butterfly valve 83, degassing tank 53 connects entering for centrifugal pump 11 with the water pipe of normally opened butterfly valve 83
The mouth of a river, degassing tank 52 is interior to be provided with heater 7, and the top of surge tank 52 is provided with air bleeding valve 84, generally laid in air accumulator 54 high-purity
Nitrogen, the gas outlet of air accumulator 54 are connected by being sequentially connected in series the appendix of normally opened butterfly valve 83, magnetic valve 85 and normally opened ball valve 81
Connect the air inlet at the top of surge tank 52；
The delivery port for cooling down water inlet pipe 21 connects the water inlet of valve chamber 32, the water inlet of cooling water outlet pipe 22 by normally opened butterfly valve 83
The delivery port of valve chamber 32 is connected by normally opened butterfly valve 83；
3rd filter 43 is connected on cooling water inlet pipe 21, and the water inlet of the 3rd filter 43 is connected cold by normally opened butterfly valve 83
But the water inlet of water inlet pipe 21, the delivery port of the 3rd filter 43 connect the water outlet of cooling water inlet pipe 21 by normally opened butterfly valve 83
Mouthful, the delivery port of the 3rd filter 43 connects the water inlet of ion-exchanger 6, the water outlet of the 3rd filter 43 by check valve 82
Mouth also connects the water inlet of cooling water outlet pipe 22 by normally opened ball valve 81；
Three-way butterfly valve 86 is provided with a water inlet and two delivery ports, the water outlet of the water inlet connection centrifugal pump 11 of Three-way butterfly valve 86
Mouthful, two delivery ports of Three-way butterfly valve 86 connect the water inlet of the 3rd filter 43 and the water inlet of external cooling device 31 respectively,
Three-way butterfly valve 86 adjusts the water outlet proportion of two delivery ports by the valve rod of inside.
In the present embodiment：Centrifugal pump 11, small pump 13, the second filter 42, the 3rd filter 43, surge tank 52, ion
Exchanger 6 and Three-way butterfly valve 86 all respectively have two, centrifugal pump 11, small pump 13, the second filter 42, the 3rd filter 43, from
Sub- exchanger 6 and Three-way butterfly valve 86 are connected in parallel respectively, and surge tank 52 is connected in series；
Cooling water inlet pipe 21 is connected with cooling water outlet pipe 22 by the water pipe for normally closed butterfly valve 87 of having connected；The water inlet of degassing tank 53
Connected with delivery port by the water pipe for normally closed butterfly valve 87 of having connected；The water inlet and delivery port of Three-way butterfly valve 86 are by having connected often
Close the water pipe connection of butterfly valve 87；
The delivery port series connection flow sensor 91 of centrifugal pump 11；The delivery port series connection flow sensor 91 of small pump 13；Cool down into
All connected on both water pipe 21 and cooling water outlet pipe 22 flow sensor 91 and temperature sensor 92；Temperature is provided with valve chamber 32
Sensor 92；The both ends of differential pressure pickup 93 connect water inlet and the water outlet of first filter 41 by normally opened ball valve 81 respectively
Mouthful；The water inlet and delivery port of second filter 42 are connected flow sensor 91 respectively；The both ends of differential pressure pickup 93 lead to respectively
Cross water inlet and delivery port that normally opened ball valve 81 connects the 3rd filter 43；It is designed with both raw water tank 51 and surge tank 52
Liquid level sensor 94；Conductivity sensor 95 is provided with ion-exchanger 6；
Centrifugal pump 11, raw water pump 12, small pump 13, magnetic valve 85, Three-way butterfly valve 86, flow sensor 91, temperature sensor 92,
Differential pressure pickup 93, liquid level sensor 94 and conductivity sensor 95 all connect controller 100, controller 100 by signal wire
From programmable controller.
The present embodiment is in use, including following rate-determining steps：
I. the operation of centrifugal pump 11 control：
Two centrifugal pumps 11 1 are in backup status in another of running status, when controller 100 monitors following a~e
When condition meets any one, controller 100 switches two 11 respective states of centrifugal pump：
A. a centrifugal pump 11 continuously runs 168hour
B. the flow sensor 91 for being connected on the delivery port of centrifugal pump 11 monitors that the flow of centrifugal pump 11 is less than setting value,
C. centrifugal pump 11 overloads or overheated；
D. the leak of centrifugal pump 11；
E. the power failure of centrifugal pump 11 is driven；
Controller 11 switch two centrifugal pumps 11 state after, such as in running status centrifugal pump 11 still suffer from above-mentioned ii or
Iii phenomenons, controller 100 switch two 11 respective states of centrifugal pump again；
When controller 100 monitors that following i and ii conditions meet any one, controller 100 sends trip protection instruction and cut
Power-off source：
I. the flow of at least one both water inlet pipe 21 and cooling water outlet pipe 22 is cooled down less than warning value and small pump 13
Flow is less than warning value；
Ii. when there is any one in above-mentioned b~e in two centrifugal pumps 11 simultaneously；
II. Three-way butterfly valve 86 controls：
When cooling down water inlet pipe 21 and being higher than 28 DEG C to the supply water temperature of valve chamber 32, Three-way butterfly valve 21 is shown in a fully open operation, from cooling down out
The cooling water that water pipe 22 flows into the completion heat exchange of Three-way butterfly valve 86 flows into external cooling device with maximum ratio through a delivery port
31, corresponding cooling water is back to cooling water inlet pipe 21 through another delivery port with minimum scale by the 3rd filter 43；
When cooling down water inlet pipe 21 and being less than 25 DEG C to the supply water temperature of valve chamber 32, Three-way butterfly valve 21 is in full-shut position, from cooling down out
The cooling water that water pipe 22 flows into the completion heat exchange of Three-way butterfly valve 86 flows into external cooling device with minimum scale through a delivery port
31, corresponding cooling water is back to cooling water inlet pipe 21 through another delivery port with maximum ratio by the 3rd filter 43；
Water inlet pipe 21 is cooled down to the supply water temperature of valve chamber 32 at 25 DEG C~28 DEG C, the state of Three-way butterfly valve 21 is between standard-sized sheet and complete
Between closing, controller 100 controls the open degree of the valve rod of Three-way butterfly valve 21 cooling water inlet pipe 21 is tieed up the supply water temperature of valve chamber 32
Hold between 25 DEG C~28 DEG C；
III. heater controls：
When cooling water inlet pipe 21 is not higher than 10 DEG C to the supply water temperature of valve chamber 32, controller 100 controls heater 7 to start；Cooling
When water inlet pipe 21 is not less than 13 DEG C to the supply water temperature of valve chamber 32, controller 100 controls heater 7 to stop；
Water inlet pipe 21 is cooled down to the supply water temperature of valve chamber 32 close to the dew point of valve chamber 32（Generally supply water temperature is less than the difference of dew point
No more than 2 DEG C）When, controller 100 controls heater 7 to start；Cooling water inlet pipe 21 is higher than valve chamber to the supply water temperature of valve chamber 32
During 32 4 DEG C of dew point, controller 100 controls heater 7 to stop；
The flow of centrifugal pump 11 is monitored when centrifugal pump 11 is out of service or is connected on the flow sensor 91 of the delivery port of centrifugal pump 11
Heater 7 stops during less than warning value；
IV. small pump controls：
When the water level that controller 100 is monitored in surge tank 52 is less than setting value, controller 100 controls small pump 13 to run；
When the water level that controller 100 is monitored in surge tank 52 is less than warning value, controller 100 sends trip protection instruction and cut
Power-off source；
When the water level that controller 100 is monitored in surge tank 52 reaches setting value, controller 100 controls small pump 13 to stop；
When the water level that controller 100 is monitored in raw water tank 51 is less than warning value, controller 100 controls small pump 13 to stop.
For the present embodiment in use, under the driving of centrifugal pump 11, cooling water inputs valve chamber 32 from cooling water inlet pipe 21, passes through
Each part in heat exchange cooling valve chamber 32, the cooling water after heating inputs external cooling device 31 through cooling water outlet pipe 22, after cooling
Input cooling water inlet pipe 21 recycles again；Pure water is pumped into raw water tank 51 and stored by raw water pump 12, when under cooling water flow
During drop, small pump 13 pumps out the pure water in raw water tank 51, is filtered through the filter 42 of ion-exchanger 6 and second and buffered
Cooling water outlet pipe 22 is injected after the voltage stabilizing of tank 52 and the degasification of degassing tank 53, then is pumped into cooling water inlet pipe 21 through centrifugal pump 11 and participates in valve
The cooling of room 32；Each sensor in real time transmits the parameters such as flow, temperature, pressure difference, liquid level and electrical conductivity to controller 100,
Controller 100 sends various instructions by foundation of parameter, it is ensured that valve chamber 32 obtains cooling promptly and accurately, and ensures each part
Normal operation.
Claims (5)
1. a kind of cooling back installation using pure water medium, including centrifugal pump (11), cooling water inlet pipe (21), cooling water outlet pipe
(22) and external cooling device (31), connected between the water inlet of cooling water inlet pipe (21) and the delivery port of cooling water outlet pipe (22) outer
Cooling device (31), valve to be cooled of being connected between the delivery port of cooling water inlet pipe (21) and the water inlet of cooling water outlet pipe (22)
Room (32), centrifugal pump (11) are connected on cooling water outlet pipe (22), the water inlet connection cooling water outlet pipe (22) of centrifugal pump (11)
Water inlet, centrifugal pump (11) delivery port connection cooling water outlet pipe (22) delivery port, it is cold under the driving of centrifugal pump (11)
But water is pumped into valve chamber (32) from cooling water inlet pipe (21), occurs in valve chamber (32) after heat exchange heats up through cold water outlet pipe (22)
External cooling device (31) is pumped into, is reentered after heat exchange cooling occurs for external cooling device (31) as cooled down water inlet pipe (21),
It is characterized in that：Also include raw water pump (12), small pump (13), first filter (41), the second filter (42), the 3rd mistake
Filter (43), raw water tank (51), surge tank (52), degassing tank (53), air accumulator (54), ion-exchanger (6) and heater
(7),
The water inlet of raw water pump (12) connects pure water source by normally opened ball valve (81), and the delivery port of raw water pump (12) by going here and there successively
The water inlet that first filter (41) connects raw water tank (51) with the water pipe of normally opened ball valve (81), the water outlet of raw water tank (51) are joined
Mouth connects the water inlet of small pump (13) by normally opened ball valve (81), and the delivery port of small pump (13) is unidirectional by being sequentially connected in series
Valve (82), normally opened ball valve (81), ion-exchanger (6), normally opened ball valve (81), the second filter (42) and normally opened ball valve (81)
The water inlet of water pipe connection surge tank (52), the delivery port of surge tank (52) is by being sequentially connected in series normally opened butterfly valve (83), degassing
Tank (53) connects the water inlet of centrifugal pump (11) with the water pipe of normally opened butterfly valve (83), and heater (7) is provided with degassing tank (52), delays
The top for rushing tank (52) is provided with air bleeding valve (84), and the gas outlet of air accumulator (54) is by being sequentially connected in series normally opened butterfly valve (83), electricity
Magnet valve (85) connects the air inlet at the top of surge tank (52) with the appendix of normally opened ball valve (81)；
The delivery port for cooling down water inlet pipe (21) connects the water inlet of valve chamber (32), cooling water outlet pipe (22) by normally opened butterfly valve (83)
Water inlet pass through normally opened butterfly valve (83) connect valve chamber (32) delivery port；
3rd filter (43) is connected on cooling water inlet pipe (21), and the water inlet of the 3rd filter (43) passes through normally opened butterfly valve
(83) water inlet of connection cooling water inlet pipe (21), the delivery port of the 3rd filter (43) is connected by normally opened butterfly valve (83) to be cooled down
The delivery port of water inlet pipe (21), the delivery port of the 3rd filter (43) connect entering for ion-exchanger (6) by check valve (82)
The mouth of a river, the delivery port of the 3rd filter (43) also connect the water inlet of cooling water outlet pipe (22) by normally opened ball valve (81)；
Three-way butterfly valve (86) is provided with a water inlet and two delivery ports, the water inlet connection centrifugal pump (11) of Three-way butterfly valve (86)
Delivery port, two delivery ports of Three-way butterfly valve (86) connect the water inlet and external cooling device of the 3rd filter (43) respectively
(31) water inlet, Three-way butterfly valve (86) adjust the water outlet proportion of two delivery ports by the valve rod of inside.
2. the cooling back installation of pure water medium is used as claimed in claim 1, it is characterized in that：Centrifugal pump (11), small pump
(13), the second filter (42), the 3rd filter (43), surge tank (52), ion-exchanger (6) and Three-way butterfly valve (86) are all each
There are two, centrifugal pump (11), small pump (13), the second filter (42), the 3rd filter (43), ion-exchanger (6) and three
Logical butterfly valve (86) is connected in parallel respectively, and surge tank (52) is connected in series；
Cooling water inlet pipe (21) is connected with cooling water outlet pipe (22) by the water pipe for normally closed butterfly valve (87) of having connected；Degassing tank (53)
Water inlet connected with delivery port by the water pipe for normally closed butterfly valve (87) of having connected；The water inlet and delivery port of Three-way butterfly valve (86)
Connected by the water pipe for normally closed butterfly valve (87) of having connected.
3. the cooling back installation of pure water medium is used as claimed in claim 1 or 2, it is characterized in that：Also include flow sensing
Device (91), temperature sensor (92), differential pressure pickup (93), liquid level sensor (94), conductivity sensor (95) and controller
(100),
The delivery port series connection flow sensor (91) of centrifugal pump (11)；The delivery port series connection flow sensor of small pump (13)
(91)；Cool down all connected on both water inlet pipe (21) and cooling water outlet pipe (22) flow sensor (91) and temperature sensor
(92)；Temperature sensor (92) is provided with valve chamber (32)；The both ends of differential pressure pickup (93) are connected by normally opened ball valve (81) respectively
Connect the water inlet and delivery port of first filter (41)；The water inlet and delivery port of second filter (42) connect respectively flow biography
Sensor (91)；The both ends of differential pressure pickup (93) respectively by normally opened ball valve (81) connect the 3rd filter (43) water inlet and
Delivery port；Liquid level sensor (94) is designed with both raw water tank (51) and surge tank (52)；It is provided with ion-exchanger (6)
Conductivity sensor (95)；
Centrifugal pump (11), raw water pump (12), small pump (13), magnetic valve (85), Three-way butterfly valve (86), flow sensor (91),
Temperature sensor (92), differential pressure pickup (93), liquid level sensor (94) and conductivity sensor (95) are all connected by signal wire
Connect controller (100).
4. the application method of the cooling back installation of pure water medium is used as claimed in claim 1 or 2, it is characterized in that：Including
Following rate-determining steps：
I. centrifugal pump (11) operation control：
Two centrifugal pumps (11) one are in backup status in another of running status, when controller (100) monitors following a
When~e conditions meet any one, controller (100) switches two respective states of centrifugal pump (11)：
A. a centrifugal pump (11) continuously runs 168hour
B. the flow sensor (91) for being connected on centrifugal pump (11) delivery port monitors that centrifugal pump (11) flow is less than setting value,
C. centrifugal pump (11) overload or overheat；
D. centrifugal pump (11) leak；
E. the power failure of centrifugal pump (11) is driven；
After the state that controller (11) switches two centrifugal pumps (11), such as the centrifugal pump (11) in running status still suffers from
Ii or iii phenomenons are stated, controller (100) switches two respective states of centrifugal pump (11) again；
When controller (100) monitors that following i and ii conditions meet any one, controller (100) sends trip protection and referred to
Order is cut off the electricity supply：
I. the flow for cooling down at least one both water inlet pipe (21) and cooling water outlet pipe (22) is less than warning value and small pump
(13) flow is less than warning value；
Ii. two centrifugal pumps (11) while when any one in above-mentioned b~e be present；
II. Three-way butterfly valve (86) controls：
When cooling water inlet pipe (21) is higher than 28 DEG C to the supply water temperature of valve chamber (32), Three-way butterfly valve (21) is shown in a fully open operation, from
The cooling water that cooling water outlet pipe (22) flows into the completion heat exchange of Three-way butterfly valve (86) is flowed into maximum ratio through a delivery port
External cooling device (31), corresponding cooling water are back to cold with minimum scale through another delivery port by the 3rd filter (43)
But water inlet pipe (21)；
When cooling water inlet pipe (21) is less than 25 DEG C to the supply water temperature of valve chamber (32), Three-way butterfly valve (21) is in full-shut position, from
The cooling water that cooling water outlet pipe (22) flows into the completion heat exchange of Three-way butterfly valve (86) is flowed into minimum scale through a delivery port
External cooling device (31), corresponding cooling water are back to cold with maximum ratio through another delivery port by the 3rd filter (43)
But water inlet pipe (21)；
Water inlet pipe (21) is cooled down to the supply water temperature of valve chamber (32) at 25 DEG C~28 DEG C, the state of Three-way butterfly valve (21) is between complete
Between opening and being fully closed, the open degree of controller (100) control Three-way butterfly valve (21) valve rod makes cooling water inlet pipe (21) to valve chamber
(32) supply water temperature is maintained between 25 DEG C~28 DEG C；
III. heater controls：
When cooling water inlet pipe (21) is not higher than 10 DEG C to the supply water temperature of valve chamber (32), controller (100) control heater (7) opens
It is dynamic；When cooling water inlet pipe (21) is not less than 13 DEG C to the supply water temperature of valve chamber (32), controller (100) control heater (7) stops
Only；
Cool down water inlet pipe (21) to the supply water temperature of valve chamber (32) close to valve chamber (32) dew point when, controller (100) control heating
Device (7) starts；Cool down water inlet pipe (21) to the supply water temperature of valve chamber (32) higher than 4 DEG C of valve chamber (32) dew point when, controller (100)
Heater (7) is controlled to stop；
Centrifugal pump is monitored when centrifugal pump (11) is out of service or is connected on the flow sensor (91) of centrifugal pump (11) delivery port
(11) heater (7) stops when flow is less than warning value；
IV. small pump controls：
When the water level that controller (100) is monitored in surge tank (52) is less than setting value, controller (100) control small pump
(13) run；
When the water level that controller (100) is monitored in surge tank (52) is less than warning value, controller (100) sends trip protection
Instruction is cut off the electricity supply；
When the water level that controller (100) is monitored in surge tank (52) reaches setting value, controller (100) control small pump
(13) stop；
When the water level that controller (100) is monitored in raw water tank (51) is less than warning value, controller (100) control small pump
(13) stop.
5. the application method of the cooling back installation of pure water medium is used as claimed in claim 3, it is characterized in that：Including as follows
Rate-determining steps：
I. centrifugal pump (11) operation control：
Two centrifugal pumps (11) one are in backup status in another of running status, when controller (100) monitors following a
When~e conditions meet any one, controller (100) switches two respective states of centrifugal pump (11)：
A. a centrifugal pump (11) continuously runs 168hour
B. the flow sensor (91) for being connected on centrifugal pump (11) delivery port monitors that centrifugal pump (11) flow is less than setting value,
C. centrifugal pump (11) overload or overheat；
D. centrifugal pump (11) leak；
E. the power failure of centrifugal pump (11) is driven；
After the state that controller (11) switches two centrifugal pumps (11), such as the centrifugal pump (11) in running status still suffers from
Ii or iii phenomenons are stated, controller (100) switches two respective states of centrifugal pump (11) again；
When controller (100) monitors that following i and ii conditions meet any one, controller (100) sends trip protection and referred to
Order is cut off the electricity supply：
I. the flow for cooling down at least one both water inlet pipe (21) and cooling water outlet pipe (22) is less than warning value and small pump
(13) flow is less than warning value；
Ii. two centrifugal pumps (11) while when any one in above-mentioned b~e be present；
II. Three-way butterfly valve (86) controls：
When cooling water inlet pipe (21) is higher than 28 DEG C to the supply water temperature of valve chamber (32), Three-way butterfly valve (21) is shown in a fully open operation, from
The cooling water that cooling water outlet pipe (22) flows into the completion heat exchange of Three-way butterfly valve (86) is flowed into maximum ratio through a delivery port
External cooling device (31), corresponding cooling water are back to cold with minimum scale through another delivery port by the 3rd filter (43)
But water inlet pipe (21)；
When cooling water inlet pipe (21) is less than 25 DEG C to the supply water temperature of valve chamber (32), Three-way butterfly valve (21) is in full-shut position, from
The cooling water that cooling water outlet pipe (22) flows into the completion heat exchange of Three-way butterfly valve (86) is flowed into minimum scale through a delivery port
External cooling device (31), corresponding cooling water are back to cold with maximum ratio through another delivery port by the 3rd filter (43)
But water inlet pipe (21)；
Water inlet pipe (21) is cooled down to the supply water temperature of valve chamber (32) at 25 DEG C~28 DEG C, the state of Three-way butterfly valve (21) is between complete
Between opening and being fully closed, the open degree of controller (100) control Three-way butterfly valve (21) valve rod makes cooling water inlet pipe (21) to valve chamber
(32) supply water temperature is maintained between 25 DEG C~28 DEG C；
III. heater controls：
When cooling water inlet pipe (21) is not higher than 10 DEG C to the supply water temperature of valve chamber (32), controller (100) control heater (7) opens
It is dynamic；When cooling water inlet pipe (21) is not less than 13 DEG C to the supply water temperature of valve chamber (32), controller (100) control heater (7) stops
Only；
Cool down water inlet pipe (21) to the supply water temperature of valve chamber (32) close to valve chamber (32) dew point when, controller (100) control heating
Device (7) starts；Cool down water inlet pipe (21) to the supply water temperature of valve chamber (32) higher than 4 DEG C of valve chamber (32) dew point when, controller (100)
Heater (7) is controlled to stop；
Centrifugal pump is monitored when centrifugal pump (11) is out of service or is connected on the flow sensor (91) of centrifugal pump (11) delivery port
(11) heater (7) stops when flow is less than warning value；
IV. small pump controls：
When the water level that controller (100) is monitored in surge tank (52) is less than setting value, controller (100) control small pump
(13) run；
When the water level that controller (100) is monitored in surge tank (52) is less than warning value, controller (100) sends trip protection
Instruction is cut off the electricity supply；
When the water level that controller (100) is monitored in surge tank (52) reaches setting value, controller (100) control small pump
(13) stop；
When the water level that controller (100) is monitored in raw water tank (51) is less than warning value, controller (100) control small pump
(13) stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787777.6A CN107787162B (en) | 2016-08-31 | 2016-08-31 | Circulation cooling device adopting pure water medium and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787777.6A CN107787162B (en) | 2016-08-31 | 2016-08-31 | Circulation cooling device adopting pure water medium and application method thereof |
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| CN107787162B CN107787162B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610787777.6A Active CN107787162B (en) | 2016-08-31 | 2016-08-31 | Circulation cooling device adopting pure water medium and application method thereof |
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Cited By (1)
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| CN109203421A (en) * | 2018-11-05 | 2019-01-15 | 开封龙宇化工有限公司 | A kind of extruder barrel cooling system |
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| Publication number | Publication date |
|---|---|
| CN107787162B (en) | 2023-09-12 |
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