CN202359640U - Blow-down device for industrial circulation cooling water - Google Patents
Blow-down device for industrial circulation cooling water Download PDFInfo
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- CN202359640U CN202359640U CN2011205075646U CN201120507564U CN202359640U CN 202359640 U CN202359640 U CN 202359640U CN 2011205075646 U CN2011205075646 U CN 2011205075646U CN 201120507564 U CN201120507564 U CN 201120507564U CN 202359640 U CN202359640 U CN 202359640U
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- relay
- suction pump
- water
- cooling water
- pond
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- 239000000498 cooling water Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 230000003134 recirculating effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses a blow-down device for industrial circulation cooling water, and the blow-down device comprises a water suction pump, a first relay and a pool, wherein the water suction pump is connected with an external power supply via the first relay; the water inlet tube of the water suction pump is stretched into the bottom of the pool; the water outlet tube of the water suction pump is arranged at a blow-down place; the water inlet tube is arranged on the pool; the water inlet of the water inlet tube is controlled by a float ball valve; the on-off action of the first relay is controlled by a microcomputer time-controlled switch; the microcomputer time-controlled switch controls the on-off action of the first relay according to a pre-input program, and then controls the operation of the water suction pump; the first relay can be further connected with the external power supply via a second relay; the second relay is controlled by a liquid level sensing controller; the liquid level sensing controller is connected with a liquid level sensor at a safe water level of the pool; and the liquid level sensor can also be connected with an alarm. The blow-down device for industrial circulation cooling water disclosed by the utility model is simple in structure, low in fault rate, stable in operation, low in manufacturing cost, convenient in management and maintenance, and easy in popularization.
Description
Technical field
The utility model relates to the industrial circulating cooling water processing technology field, especially a kind of blowdown apparatus of industrial circulating cooling water.
Background technology
At present, the industrial circulating cooling water system overwhelming majority is the open cycle cooling water system, and cooling water absorbs the heat water temperature and raises from heat exchanger, cools off the release that evaporation of water is realized heat in cooling tower inside through part by channel flow when the cooling tower; Because evaporation loss is pure water and what constantly replenish is the supplementing water that contains mineral matter in the recirculating cooling water system; So along with the operation cooling water of recirculating cooling water system will concentrate gradually; Water quality index such as the hardness in the cooling water, basicity, chlorion will constantly rise, and cause the deterioration of water quality and the fouling of heat exchanger gradually; Therefore; For guaranteeing the normal operation of recirculating cooling water system; The mineral concentration of recirculated cooling water must maintain a zone of reasonableness, when the mineral concentration of recirculated cooling water exceeds zone of reasonableness, must discharge blowdown to recirculated cooling water, makes mineral concentration decline revert to reasonable level through replenishing new water; Above way is referred to as the blowdown management that recirculated cooling water is handled, and it is one of important component part of water treatment.
For the mineral concentration that makes recirculated cooling water maintains in the reasonable range; The multiple blowdown apparatus that is used for industrial circulating cooling water has appearred in the industry; These devices mainly are through the mineral concentration in recirculated cooling water electrical conductivity or the TDS on-line monitoring recirculated water, and CCU sends signal enabling electromagnetism blowoff valve or dredge pump carries out blowdown when exceeding prescribed limit; Though these devices have been realized the automatic management of blowdown to a certain extent, also there are some problems, bigger like the equipment investment expense; The electronic building brick relative complex; Need the special messenger to safeguard, the life-span of sensor probe is short and using the later stage poor sensitivity, and the resultant fault rate is more high.
The utility model content
The technical problem that the utility model will solve provides a kind of blowdown apparatus of industrial circulating cooling water, and is simple in structure, and fault rate is low, operate steadily, and manufacturing cost is lower, and management maintenance is convenient, is easy to promote.
For achieving the above object, the technical scheme of the utility model is: a kind of blowdown apparatus of industrial circulating cooling water comprises the pond of suction pump, first relay, recirculated cooling water; Suction pump is connected with external power through first relay; The water inlet pipe of suction pump stretches into the bottom in pond, and the outlet pipe of suction pump places blowdown place, and the pond is provided with water inlet pipe; Whether water inlet pipe is intake by float valve control; The on-off action of first relay is controlled by a micro computer time switch, and described micro computer time switch is according to the on-off action of programme-control first relay of importing in advance, and then the operation of control suction pump.
Further improve; Described first relay is connected with external power through second relay that is in normally off again; Described second relay is controlled by a level sensing controller; Described level sensing controller is connected with the liquid level sensor of a setting with pond safety level place; The water level that detects the pond when described liquid level sensor sends signal when being lower than safety level and gives the liquid level sensing controler, makes suction pump out of service thereby by the level sensing controller second relay is broken off then, and described second relay can be through hand-reset to normally off; The water level that can prevent the pond also continues to draw water when being lower than safety level, guarantees system safety operation.
Further improve, on described level sensing controller, be connected with alarm, timely notifying operation personnel fix a breakdown through reporting to the police.
Further improve, described micro computer time switch is connected with running LED, conveniently judges whether suction pump moves.
On described and external power connection line, master switch is set, conveniently switches on or off the maintenance of external power and this blowdown apparatus.
Because it is comparatively simple to constitute critical piece suction pump, first relay, the micro computer time switch of the utility model, fault rate is low, operates steadily; Manufacturing cost is also lower; Through importing the program of micro computer time switch in advance, the running time of the convenient suction pump of control automatically and the operation frequency, carry out repeatedly a small amount of blowdown; Management maintenance is convenient, is easy to promote.
Description of drawings
Fig. 1 is the principle schematic of the utility model embodiment one.
Fig. 2 is the principle schematic of the utility model embodiment two.
Fig. 3 is that the utility model circuit connects sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further explain.
Embodiment one, Fig. 1, shown in Figure 3; A kind of blowdown apparatus of industrial circulating cooling water comprises the pond 3 of suction pump 1, first relay 2, recirculated cooling water, and the water inlet pipe 11 of suction pump 1 stretches into the bottom in pond 3; The outlet pipe 12 of suction pump 1 places blowdown place; Pond 3 is provided with water inlet pipe 4, and whether water inlet pipe 4 is intake by float valve 5 controls, and the on-off action of first relay 2 is by 6 controls of micro computer time switch; Described micro computer time switch 6 bases are the on-off action of programme-control first relay 2 of input in advance, and then controls the operation of suction pumps 1 through first relay 2;
Suction pump 1 can directly be connected with external power through first relay 2; Also can be connected with external power through second relay 7 that is in normally off again by first relay 2; When second relay 7 is set; Described second relay 7 is by a level sensing controller 8 controls; Described level sensing controller 8 is connected with the liquid level sensor 9 of a setting with 3 safety level places, pond; The water level that detects pond 3 when described liquid level sensor 9 sends signal and gives liquid level sensing controler 8 when being lower than safety level, make suction pump 1 out of service thereby by level sensing controller 8 second relay 7 is broken off then, and described second relay 7 can be through hand-reset to normally off.
Also can connect alarm 10 on the described level sensing controller 8.
Also can be connected with running LED 13 on the described micro computer time switch 6.
With circuit that external power is connected on be provided with master switch 14.
Embodiment two, shown in Figure 2, what they were different with embodiment one is the pond that professional recirculated cooling water need not be set specially, pond 3 is the tank of cooling tower upper accepting water dish.
The operating principle of the utility model is following: the mineral concentration calculation of parameter of confirming according to the operation condition and the recirculated cooling water processing of recirculating cooling water system earlier draws blowdown flow rate; Refer again to the water retention capacity in pond 3 and the unit interval pump-out of suction pump 1; Blowdown flow rate is transformed the multistage break-make electricity time-program(me) section of being arranged to micro computer time switch 6 and imports micro computer time switch 6; Press master switch 14 and connect external power, running LED 13 shinny blowdown apparatus are in the standby SBR; When the time on the micro computer time switch 6 arrives corresponding time-program(me) section; Micro computer time switch 6 sends the signal of telecommunication to first relay 2; The power circuit that the closing of contact of first relay 2 is connected suction pump 1 starts suction pump 1 work; Suction pump 1 draws water and it is disposed to sewer in 3 bottoms from the pond; The time-program(me) section finishes back micro computer time switch 6 and sends the signal of telecommunication to first relay 2 once more, and the power circuit that the contact of first relay 2 separately cuts off suction pump 1 work quits work it.
Blowdown process middle water level can descend, and the ball float of the float valve 5 on the water inlet pipe 4 descends thereupon, and float valve 5 is opened past pond 3 additional new water gos up liquid level; When the water level abnormality in pond 3, when in a single day blowdown process middle water level was lower than lowest safe waterline, liquid level sensor 9 sent signal to level sensing controller 8; Level sensing controller 8 sends the signal of telecommunication to second relay 7; The contact of second relay 7 is broken off and is cut off the circuit that leads to the micro computer time switch 6 and first relay 2, and suction pump 1 quits work, and alarm 10 promptings are simultaneously reported to the police; Treat that water level hand-reset just often second relay 7 recloses circuit, this device is resumed work.
Micro computer time switch 6 meeting bases input program are in advance controlled the running time of suction pump 1 automatically and are moved the frequency, carry out repeatedly blowdown on a small quantity.
Above specific embodiment for better explanation the utility model, is not the concrete qualification to the utility model just, and the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (5)
1. the blowdown apparatus of an industrial circulating cooling water; Comprise the pond of suction pump, first relay, recirculated cooling water, suction pump is connected with external power through first relay, and the water inlet pipe of suction pump stretches into the bottom in pond; The outlet pipe of suction pump places blowdown place; The pond is provided with water inlet pipe, and water inlet pipe is by float valve control water inlet, and it is characterized in that: the on-off action of first relay is controlled by a micro computer time switch; Described micro computer time switch is according to the on-off action of programme-control first relay of importing in advance, and then the operation of control suction pump.
2. the blowdown apparatus of a kind of industrial circulating cooling water according to claim 1; It is characterized in that: described first relay is connected with external power through second relay that is in normally off again; Described second relay is controlled by a level sensing controller; Described level sensing controller is connected with the liquid level sensor of a setting with pond safety level place; The water level that detects the pond when described liquid level sensor sends signal when being lower than safety level and gives the liquid level sensing controler, makes suction pump out of service thereby by the level sensing controller second relay is broken off then, and described second relay can be through hand-reset to normally off.
3. the blowdown apparatus of a kind of industrial circulating cooling water according to claim 2 is characterized in that: be connected with alarm on the described level sensing controller.
4. according to the blowdown apparatus of each described a kind of industrial circulating cooling water of claim 1 to 3, it is characterized in that: described micro computer time switch is connected with running LED.
5. according to the blowdown apparatus of each described a kind of industrial circulating cooling water of claim 1 to 3, it is characterized in that: the described circuit that is connected with external power is provided with master switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205075646U CN202359640U (en) | 2011-12-08 | 2011-12-08 | Blow-down device for industrial circulation cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205075646U CN202359640U (en) | 2011-12-08 | 2011-12-08 | Blow-down device for industrial circulation cooling water |
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| Publication Number | Publication Date |
|---|---|
| CN202359640U true CN202359640U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205075646U Expired - Fee Related CN202359640U (en) | 2011-12-08 | 2011-12-08 | Blow-down device for industrial circulation cooling water |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692282A (en) * | 2013-12-09 | 2014-04-02 | 苏州市天吴电工材料科技有限公司 | Water pool automatic circulating system |
| CN105223975A (en) * | 2015-08-26 | 2016-01-06 | 江苏科技大学 | A kind of ship model experimental tank automatic Control Systems of Liquids Height and control method thereof |
| CN106224525A (en) * | 2016-08-31 | 2016-12-14 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Motor reduction gearbox cooling water automaton |
| CN108237297A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of cooling water monitoring of leakage device of watercooled reflux brazier |
| CN110092488A (en) * | 2019-04-28 | 2019-08-06 | 导洁(北京)环境科技有限公司 | The method for treating water of heating and ventilating equipment based on Internet of Things intelligent management band refrigeration |
-
2011
- 2011-12-08 CN CN2011205075646U patent/CN202359640U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692282A (en) * | 2013-12-09 | 2014-04-02 | 苏州市天吴电工材料科技有限公司 | Water pool automatic circulating system |
| CN105223975A (en) * | 2015-08-26 | 2016-01-06 | 江苏科技大学 | A kind of ship model experimental tank automatic Control Systems of Liquids Height and control method thereof |
| CN105223975B (en) * | 2015-08-26 | 2018-07-06 | 江苏科技大学 | A kind of ship model experimental tank automatic Control Systems of Liquids Height and its control method |
| CN106224525A (en) * | 2016-08-31 | 2016-12-14 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Motor reduction gearbox cooling water automaton |
| CN108237297A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of cooling water monitoring of leakage device of watercooled reflux brazier |
| CN110092488A (en) * | 2019-04-28 | 2019-08-06 | 导洁(北京)环境科技有限公司 | The method for treating water of heating and ventilating equipment based on Internet of Things intelligent management band refrigeration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20141208 |
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| EXPY | Termination of patent right or utility model |