CN206338194U - A kind of cooling device for cooling water ring vacuum pumps - Google Patents
A kind of cooling device for cooling water ring vacuum pumps Download PDFInfo
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- CN206338194U CN206338194U CN201621313658.9U CN201621313658U CN206338194U CN 206338194 U CN206338194 U CN 206338194U CN 201621313658 U CN201621313658 U CN 201621313658U CN 206338194 U CN206338194 U CN 206338194U
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Abstract
The utility model is related to a kind of cooling device for cooling water ring vacuum pumps, including 3 groups of handpiece Water Chilling Units, water knockout drum, water collector, chilled water pump groups；The outlet of 3 groups of handpiece Water Chilling Units is connected by pipeline with the entrance of water knockout drum, the outlet of water knockout drum is connected by pipeline with the entrance of water-ring vacuum pump, the outlet of water-ring vacuum pump is connected by pipeline with the entrance of water collector, the outlet of water collector is connected by pipeline with the entrance of chilled water pump group, and the outlet of chilled water pump group is connected by pipeline with the entrance of 3 groups of handpiece Water Chilling Units.The working water that the utility model can guarantee that into water-ring vacuum pump keeps lower temperature, belongs to the technical field in power plant.
Description
Technical field
The utility model is related to the related technical field in power plant, more particularly to a kind of for cooling water ring vacuum pumps
Cooling device.
Background technology
Water-ring vacuum pump has that rate of air sucked in required is big, energy consumption is small, water quality loss less, safe and reliable, automaticity it is high etc. excellent
Point, therefore be used widely in power plant.In the pump housing of water-ring vacuum pump working water, water ring are used as equipped with appropriate water
Formula vavuum pump realizes the function of air-breathing, compression and exhaust by the change of pump chamber.The exhaust capacity of water-ring vacuum pump is direct
The aggregation extent of air in condenser is influenceed, and the exhaust capacity of water-ring vacuum pump is mainly influenceed by work coolant-temperature gage.
More using main frame recirculated cooling water come the working water in cooling water ring vacuum pumps in generation current factory.Main frame is circulated
Coolant-temperature gage is had nothing in common with each other according to the difference of area, the type of cooling.But in summer, most area circulating water temperature can reach 25 DEG C
More than.Therefore in summer condition, the running situation of vavuum pump is more severe.In addition, if main frame recirculated cooling water uses seawater,
The heat exchanger tube of vavuum pump also needs to use titanium tube.
When the unit in power plant is run in summer condition, because summer environment temperature is high, the main frame recirculated water in power plant
Inlet temperature can reach 33 DEG C, and still generally very poor using the method effect of main frame circulating water, the temperature of working water generally surpasses
Height, causes the exhaust capacity degradation of water-ring vacuum pump, air is accumulated in condenser, causes the vacuum of condenser
Decline, so as to have a strong impact on the heat-economy of power plant unit.
Utility model content
For technical problem present in prior art, the purpose of this utility model is：There is provided a kind of for cooling water ring
The cooling device of formula vavuum pump, the working water that can guarantee that into water-ring vacuum pump keeps lower temperature.
In order to achieve the above object, the utility model is adopted the following technical scheme that：
A kind of cooling device for cooling water ring vacuum pumps, including 3 groups of handpiece Water Chilling Units, water knockout drum, water collector, freezings
Water pump group；The outlet of 3 groups of handpiece Water Chilling Units is connected by pipeline with the entrance of water knockout drum, and the outlet of water knockout drum passes through pipeline and water
The entrance of ring vacuum pumps connects, the outlet of water-ring vacuum pump is connected by pipeline with the entrance of water collector, and water collector goes out
Mouth is connected by pipeline with the entrance of chilled water pump group, and the outlet of chilled water pump group passes through pipeline and the entrance of 3 groups of handpiece Water Chilling Units
Connect.The cooling device can make the working water of water-ring vacuum pump keep lower temperature, and improve the warp of handpiece Water Chilling Units simultaneously
Ji benefit.
It is further：The quantity of described chilled water pump group has 4 groups, and every group of chilled water pump group includes what is be connected in series
Chilled water pump and differential pressure type filter-type descaler, 4 groups of chilled water pump groups are connected in the pipe between handpiece Water Chilling Units and water collector in parallel
On road.
It is further：Described handpiece Water Chilling Units are air-conditioner host.
It is further：Expansion tank is provided with pipeline between water collector and chilled water pump group.Expansion tank is played
The effect of voltage stabilizing, by water collector flow through Lai water pressure it is unstable, expansion tank can play pressure stabilization function.
It is further：Described handpiece Water Chilling Units include condenser and evaporator.
Generally speaking, the utility model has the following advantages that：
1. the minimum suction of vavuum pump is greatly reduced as vavuum pump cooling water using the air conditioning water of lower temperature
Vacuum, that is, improve the suction capactity of vavuum pump.
2. the power consumption of vavuum pump is reduced, factory is reduced as vavuum pump cooling water with the air conditioning water of lower temperature
Power consumption rate, improves the economical of power plant's operation.
3. air conditioning water water quality is good, the heat exchanger of vavuum pump need not be using your materials such as titanium tubes.
4. during conditioning in Transition Season and winter air-conditioning the system shorter cooling phase, it can fully make up the low operating mode of air-conditioner host or stop
Deficiency during machine operating mode, allows handpiece Water Chilling Units whole year to reach oepration at full load, handpiece Water Chilling Units utilization rate is higher.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model.
Wherein, 1 is handpiece Water Chilling Units, and 2 be water knockout drum, and 3 be water-ring vacuum pump, and 4 be water collector, and 5 be chilled water pump, and 6 are
Differential pressure type filter-type descaler, 7 be expansion tank.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
With reference to shown in Fig. 1, a kind of cooling device for cooling water ring vacuum pumps, including 3 groups of handpiece Water Chilling Units, Fen Shui
Device, water collector, chilled water pump group；Handpiece Water Chilling Units, water knockout drum, water collector, chilled water pump group belong to existing mature technology, point
Hydrophone and water collector have multiple entrances and multiple outlets, and water knockout drum is used to supply water to each equipment, and water collector is used to collect each
The water of individual equipment.The quantity of handpiece Water Chilling Units has 3 groups in the utility model, and the outlet of 3 groups of handpiece Water Chilling Units passes through pipeline and Fen Shui
The entrance of device connects, and the pipeline in the exit of 3 groups of handpiece Water Chilling Units is converged on same pipeline, i.e., 3 pipelines converge in same
On root pipeline.The outlet of water knockout drum is connected by pipeline with the entrance of water-ring vacuum pump, and the outlet of water-ring vacuum pump passes through
Pipeline connects with the entrance of water collector, and the outlet of water collector is connected by pipeline with the entrance of chilled water pump group, chilled water pump group
Outlet connected by pipeline with the entrance of 3 groups of handpiece Water Chilling Units.
The quantity of described chilled water pump group has 4 groups, every group of chilled water pump group include the chilled water pump being connected in series and
Differential pressure type filter-type descaler, 4 groups of chilled water pump groups are connected in parallel on the pipeline between handpiece Water Chilling Units and water collector.I.e. one group
In chilled water pump group, chilled water pump and differential pressure type filter-type descaler are connected in series；It is in parallel connect between 4 groups of chilled water pump groups
Connect, 4 groups of chilled water pump groups are arranged on the pipeline between handpiece Water Chilling Units and water collector after being connected in parallel.Chilled water pump is used to be lifted
Hydraulic pressure, to overcome the crushing in system pipeline.1 group of handpiece Water Chilling Units 1 group of chilled water pump group of correspondence, remaining 1 group of chilled water pump group
In stand-by state.
Described handpiece Water Chilling Units are air-conditioner host.
Expansion tank is provided with pipeline between water collector and chilled water pump group.Expansion tank plays a part of voltage stabilizing,
By water collector flow through Lai water pressure it is unstable, expansion tank can play pressure stabilization function.
Described handpiece Water Chilling Units include condenser and evaporator.
During using the utility model, cooling water flows out from handpiece Water Chilling Units, then flows to water knockout drum, water knockout drum will cool down moisture
Water-ring vacuum pump is flowed to, so that play a part of cooling to water-ring vacuum pump, after cooling, flow direction water collector, then
Chilled water pump group is flowed to again, finally flows back to handpiece Water Chilling Units.
The utility model is using cooling water of the air conditioning water as water-ring vacuum pump, due to general generating factory owner factory
Room, collection control block domain are respectively provided with central air-conditioning chilled water system, and air-conditioner host uses water cooled chiller, and cooling medium is air-conditioning cold
Freeze water (temperature is 7~12 DEG C), and the parameter cooling water can just meet the requirement of cooling water ring vacuum pumps, and the air-conditioning cold
Freeze water water quality preferably, the heat exchanger of water-ring vacuum pump uses ordinary carbon steel material.Utilize existing central air-conditioning freezing
Water is as the cooling water of water-ring vacuum pump, and water-ring vacuum pump is taken as a common air-conditioning system end, therefore to whole
Individual air-conditioning system has no effect, and sets up the capacity that water-ring vacuum pump cooling end only increases cold water main unit, allows on the contrary
Handpiece Water Chilling Units operation is more energy-efficient, and during conditioning in Transition Season and winter air-conditioning the system shorter cooling phase, also can fully more
Deficiency when mending the low operating mode of air-conditioner host or shutting down operating mode, allows handpiece Water Chilling Units whole year to reach oepration at full load, handpiece Water Chilling Units profit
It is higher with rate.
Because air conditioning water temperature is relatively low, minimum suction vacuum (the i.e. limit aspiration vacuum of correspondence water-ring vacuum pump
Pressure), about 2.1kPa (a) greatly reduces the minimum suction vacuum of water-ring vacuum pump, correspondingly reduces condenser
Vacuum, improves the heat-economy of unit.Using the air conditioning water of lower temperature as vavuum pump cooling water, greatly reduction
The minimum suction vacuum of vavuum pump, that is, improve the suction capactity of vavuum pump.With the air conditioning water of lower temperature as true
Empty pump cooling water, reduces the power consumption of vavuum pump, reduces station service power consumption rate, improves the economical of power plant's operation.Air conditioning water
Water quality is good, and the heat exchanger of vavuum pump need not be using your materials such as titanium tubes.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (5)
1. a kind of cooling device for cooling water ring vacuum pumps, it is characterised in that：Including 3 groups of handpiece Water Chilling Units, water knockout drum, collection
Hydrophone, chilled water pump group；The outlet of 3 groups of handpiece Water Chilling Units is connected by pipeline with the entrance of water knockout drum, and the outlet of water knockout drum leads to
Piping connects with the entrance of water-ring vacuum pump, and the outlet of water-ring vacuum pump is connected by pipeline with the entrance of water collector,
The outlet of water collector is connected by pipeline with the entrance of chilled water pump group, and the outlet of chilled water pump group passes through pipeline and 3 groups of cold water
The entrance of unit connects.
2. according to a kind of cooling device for cooling water ring vacuum pumps described in claim 1, it is characterised in that：Described
The quantity of chilled water pump group has 4 groups, and the chilled water pump and differential pressure type filter-type that every group of chilled water pump group includes being connected in series are removed
Dirty device, 4 groups of chilled water pump groups are connected in parallel on the pipeline between handpiece Water Chilling Units and water collector.
3. according to a kind of cooling device for cooling water ring vacuum pumps described in claim 1, it is characterised in that：Described
Handpiece Water Chilling Units are air-conditioner host.
4. according to a kind of cooling device for cooling water ring vacuum pumps described in claim 2, it is characterised in that：Catchmenting
Pipeline between device and chilled water pump group is provided with expansion tank.
5. according to a kind of cooling device for cooling water ring vacuum pumps described in claim 1, it is characterised in that：Described
Handpiece Water Chilling Units include condenser and evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313658.9U CN206338194U (en) | 2016-12-01 | 2016-12-01 | A kind of cooling device for cooling water ring vacuum pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313658.9U CN206338194U (en) | 2016-12-01 | 2016-12-01 | A kind of cooling device for cooling water ring vacuum pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338194U true CN206338194U (en) | 2017-07-18 |
Family
ID=59308071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621313658.9U Active CN206338194U (en) | 2016-12-01 | 2016-12-01 | A kind of cooling device for cooling water ring vacuum pumps |
Country Status (1)
| Country | Link |
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| CN (1) | CN206338194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828321A (en) * | 2020-06-16 | 2020-10-27 | 华电电力科学研究院有限公司 | Working liquid cooling method for effectively improving working efficiency of vacuum pump |
-
2016
- 2016-12-01 CN CN201621313658.9U patent/CN206338194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828321A (en) * | 2020-06-16 | 2020-10-27 | 华电电力科学研究院有限公司 | Working liquid cooling method for effectively improving working efficiency of vacuum pump |
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