CN106288849B - A kind of condenser vaccum-pumping equipment - Google Patents
A kind of condenser vaccum-pumping equipment Download PDFInfo
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- CN106288849B CN106288849B CN201610618654.XA CN201610618654A CN106288849B CN 106288849 B CN106288849 B CN 106288849B CN 201610618654 A CN201610618654 A CN 201610618654A CN 106288849 B CN106288849 B CN 106288849B
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- water
- vacuum pump
- cooler
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- pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B11/00—Controlling arrangements with features specially adapted for condensers
Abstract
Invention describes a kind of condenser vaccum-pumping equipment and control methods, the first pipeline and the second pipeline that the bleeding point connection of the condenser is in parallel are connected with the first vacuum pump, the second vacuum pump respectively, and the control device of control piper on-off is respectively equipped on the first pipeline and the second pipeline；The power of first vacuum pump is greater than the second vacuum pump, and the second pipeline is equipped with the supercharging device for increasing and flowing into pressure medium in the second vacuum pump, and the supercharging device is set to the upstream of the second vacuum pump.Pass through above-mentioned setting, so that condenser vaccum-pumping equipment have two-way difference power consumption vacuumize branch, so that vaccum-pumping equipment separately or concurrently can carry out vacuumize process to condenser inside using two branches, avoid the damage of one of vacuum pump, machine can not working condition generation；Meanwhile above equipment, it could be applicable under different operating conditions that corresponding branch is selected to carry out vacuumize process, further reduced the whole power consumption of condenser vaccum-pumping equipment.
Description
Technical field
The present invention relates to a kind of condenser vaccum-pumping equipments of power industry, and it is true to further relate to a kind of above-mentioned condenser pumping of application
The condenser vacuum pumping method of null device.
Background technique
Condenser is equipped in the thermal power generation system of steam power plant, the atmospheric pressure value inside condenser has strict demand, therefore
It needs to be equipped with vaccum-pumping equipment for condenser.Existing condenser vaccum-pumping equipment be using powerful water-ring vacuum pump come
Unit vacuum is maintained, will cause the occurrence of station service power consumption rate increases.
And from protecting equipment not by cavitation, improve unit economy, reduce the comprehensive aspect in the side such as station service power consumption rate, it is right
Existing vaccum-pumping equipment unit carries out technological improvement, is necessary to improve equipment dependability, reduce factory's power consumption.
Based on needing and disadvantage above, the present invention is specifically proposed.
Summary of the invention
The purpose of the invention is to provide a kind of condenser vaccum-pumping equipment, condenser inside take out very to reach
The purpose of vacancy reason；Another object is, provides at least two branches and carries out vacuumize process to condenser inside, is taken out with improving
The reliability of vacuum process；A further object is, the purpose reduced to condenser vaccum-pumping equipment power consumption.
The technical scheme is that
A kind of condenser vaccum-pumping equipment, the first pipeline and the second pipeline difference that the bleeding point connection of condenser is in parallel
It is connected with the first vacuum pump, the second vacuum pump, the control of control piper on-off is respectively equipped on the first pipeline and the second pipeline
Device；The power of first vacuum pump is greater than the second vacuum pump, and the second pipeline, which is equipped with to increase, flows into medium pressure in the second vacuum pump
The supercharging device of power, the supercharging device are set to the upstream of the second vacuum pump.
Further, the supercharging device is lobe pump, and the lobe pump is set to the second pipeline of the second vacuum pump upstream
On.
Further, the first pipeline is equipped with the first manual control valve and the first Electronic control of the first pipeline on-off of control
Valve, first manual control valve are set to upstream with respect to the first motor-operated control valve；It is logical that second pipeline is equipped with the second pipeline of control
Disconnected the second hand control valve and the second motor-operated control valve, the second hand control valve are set to upstream tube with respect to the second motor-operated control valve
Road；The lobe pump is set on the second pipeline between the second motor-operated control valve and the second vacuum pump.
Further, the first vacuum pump mutually contacts with the first steam-water separator, the first cooler and constitutes circulation canal, enables first
The condensed water that the high temperature steam water interface of vacuum pump extraction flows into the first steam-water separator, the first steam-water separator is isolated enters
The cryogenic condensation water that cooler cooling, cooler generate flows into the first vacuum pump and cools down to the high temperature steam water interface of extraction
Separating treatment, to form water circulation；
Second vacuum pump mutually contacts with the second steam-water separator, the second cooler and constitutes circulation canal, enables the second vacuum pump
The condensed water that the high temperature steam water interface of extraction flows into the second steam-water separator, the second steam-water separator is isolated enters cooler
The cryogenic condensation water that cooling, cooler generate flows into the second vacuum pump and carries out at cooling separation to the high temperature steam water interface of extraction
Reason, to form water circulation.
Further, first vacuum pump and the second vacuum pump are water-ring vacuum pump, the first vacuum pump and second
The work water inlet of vacuum pump is respectively the low-temperature cooling water that self-corresponding first cooler or the second cooler flow into, sub-cooled
Water is in contact with the high temperature steam-water mixing medium extracted out from condenser and carries out heat exchange, to generate the water after cryogenic separation and gas
Body, and the gas after separation is flowed into the first steam-water separator or the second steam-water separator with water and carries out static separate.
Further, the first steam-water separator includes the first shell for constituting accommodating chamber, the middle part of first shell be equipped with
The first import that first vacuum pump outlet is connected, bottom are equipped with the first liquid outlet being connected with the first cooler inlet, the
One case top is equipped with the first gas outlet flowed out for air-flow；The top of first shell, which is equipped with, to be connected with condensed water water source tube
The lower part of water supply pipe and/or first shell is equipped with the lower water supply pipe of first to be connected with condensed water water source tube on first, with to the
One steam-water separator flows into water flow, realizes and provides moisturizing to the first steam-water separator and/or reduce the temperature lowering water of bulk temperature；
Second steam-water separator includes the second shell for constituting accommodating chamber, and the middle part of second shell is equipped with and the second vacuum
The second import that pump discharge is connected, bottom are equipped with the second liquid outlet being connected with the second cooler inlet, second shell top
Portion is equipped with the second gas outlet flowed out for air-flow；The top of second shell is equipped on second to be connected with condensed water water source tube and mends
The lower part of water pipe and/or second shell is equipped with the lower water supply pipe of second to be connected with condensed water water source tube, to divide to the second carbonated drink
Water flow is flowed into from device, is realized and is provided moisturizing to the second steam-water separator and/or reduce the temperature lowering water of bulk temperature.
Further, first cooler includes the first cooler casing for constituting chamber, the both ends of the first cooler
Be respectively equipped with the first cooler inlet and the first cooler outlet, the first cooler inlet by the road with the first steam-water separator
First liquid outlet is connected, and the first cooler outlet is connected with the import of the first vacuum pump by the road, the first cooler casing
The first cooling heat transferring pipe is equipped in the chamber surrounded, the both ends of the first cooling heat transferring pipe are connected with condensed water water supply line respectively
It is logical, it is circulated with Cooling Water；
Second cooler includes the second cooler casing for constituting chamber, and the both ends of the second cooler are respectively equipped with
Second cooler inlet and the second cooler outlet, the second cooler inlet go out liquid with the second of the second steam-water separator by the road
Mouth is connected, and the second cooler outlet is connected with the import of the second vacuum pump by the road, the chamber that the second cooler casing surrounds
Interior is equipped with the second cooling heat transferring pipe, and the both ends of the second cooling heat transferring pipe are connected with condensed water water supply line respectively, with cooling supply
But water circulates.
Further, the first steam-water separator is equipped with detection and flows into first shell internal chamber medium temperature from the first vacuum pump
First temperature sensor of degree, the second steam-water separator are equipped with detection and flow into second shell internal chamber Jie from the second vacuum pump
The second temperature sensor of matter temperature；
First steam-water separator is equipped with detection and flows into condensed water under first shell internal chamber is retained from the first vacuum pump
First liquid level sensor of liquid level, the second steam-water separator are equipped with detection and flow into inside second shell from the second vacuum pump
Chamber retains the second liquid level sensor of lower condensed water liquid level.
Further, water supply pipe on first, the first lower water supply pipe, be respectively equipped on water supply pipe and the second lower water supply pipe on second
The control valve of control piper on-off；
The both ends of first cooling heat transferring pipe and the second cooling heat transferring pipe are respectively equipped with control heat exchange circulation water flowing on-off
Control valve and/or check valve, one end of the first cooling heat transferring pipe and the second cooling heat transferring pipe is respectively equipped with to be provided for recirculated water
The kinetic pump of flow dynamic.
Further, the bleeding point of condenser is connected through third pipeline with third vacuum pump, third vacuum pump and third vapour
Separator is mutually connected by circulation with third cooler, the setting equal with the power of the first vacuum pump of third vacuum pump.
The present invention also provides a kind of vacuum pumping methods using any of the above-described condenser vaccum-pumping equipment, specific
Process is as follows: when just having started to carry out vacuumize process to condenser, the first pipeline connection, the second pipeline are disconnected, and powerful the
One vacuum pump work；After a certain period of time to gas trap vacuumize process, the disconnection of the first pipeline, the second pipeline connection, it is low power
Second vacuum pump and supercharging device work.
The invention has the following advantages over the prior art:
1, by above-mentioned setting so that condenser vaccum-pumping equipment have two-way difference power consumption vacuumize branch,
So that vaccum-pumping equipment separately or concurrently can carry out vacuumize process to condenser inside using two branches, wherein one is avoided
The damage of a vacuum pump, machine can not working condition generation；Meanwhile above equipment, it could be applicable to selection pair under different operating conditions
The branch answered carries out vacuumize process, further reduced the whole power consumption of condenser vaccum-pumping equipment.
2, by the way that autocontrol valve is respectively set on pipeline, to realize that the first vacuum pump and the second vacuum pump are mutual
Quickly, the purpose accurately, intelligently switched；Meanwhile setting hand control valve is respectively corresponded in the upstream of autocontrol valve,
The generation for leading to not operational circumstances to avoid autocontrol valve failure improves the reliability and safety of entire vaccum-pumping equipment
Property.
3, by mutually finishing up and connecting vacuum pump with steam-water separator, cooler, to constitute waterway circulating, so that drawing up
Condensed water be converted to the work aqueous medium of vacuum pump, reduce the water loss of vacuum pump, realize water circulation secondary and utilize, is big
The loss of complete machine is reduced greatly.
4, by the way that the third pipeline being in parallel with the first pipeline and the second pipeline is arranged, and third is set on third pipeline
Vacuum pump, with for condenser vaccum-pumping equipment provide it is spare vacuumize branch, to further increase the stability of complete machine, avoid
The occurrence of one vacuum pump and the damage of the second vacuum pump can not open machine；Meanwhile vacuumize power needed for initial stage it is larger when, can
First vacuum pump and third vacuum pump are started simultaneously, to accelerate the evacuation rate of condenser.
Meanwhile the utility model structure is simple, significant effect, is suitable for promoting the use of.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of another embodiment of the present invention.
Attachment explanation: 1-condenser, the 2-the first vacuum pump, the 3-the second vacuum pump, 4-lobe pumps, the 5-the first carbonated drink
Separator, the 6-the second steam-water separator, 7-condensed water water supply lines, the 8-the first cooler, the 9-the second cooler, 10-
First motor-operated control valve, 11-first manual control valves, the 12-the second motor-operated control valve, the 13-the second hand control valve, 14-
First control valve, the 15-the second control valve, 16-third control valves, the 17-the four control valve, the 18-the first kinetic pump, 19-the
Two kinetic pumps, the 20-the five control valve, the 21-the six control valve, the 22-the seven control valve, the 23-the eight control valve, 31-the
Three vacuum pumps, 32-third steam-water separators, 33-third coolers, 34-third motor-operated control valves, 35-thirds are controlled manually
Valve processed, the 36-the nine control valve, the 37-the ten control valve, 38-third kinetic pumps, the 39-the ten one control valve, 310-the ten
Two control valves.
Specific embodiment
Embodiment one
As shown in Figure 1, describing a kind of condenser vaccum-pumping equipment in the present embodiment, the bleeding point of condenser 1 connects phase
First pipeline and the second pipeline in parallel is connected with the first vacuum pump 2, the second vacuum pump 3 respectively, the first pipeline and the second pipe
Road is respectively equipped with the control device of control piper on-off；The power of first vacuum pump 2 is greater than the second vacuum pump 3, the second pipeline
It is equipped with the supercharging device for increasing and flowing into pressure medium in the second vacuum pump 3, the supercharging device is set to the upper of the second vacuum pump 3
Play pipe road.
In the present embodiment, the supercharging device is lobe pump 4, and the lobe pump 4 is set to the of 3 upstream of the second vacuum pump
On two pipelines.The lobe pump 4 carries out pressurized treatment to the gas-liquid mixed media flowed through, enables Jie for flowing into the second vacuum pump 3
Matter pressure increases, and to improve the separative efficiency of the second vacuum pump, realization vacuumizes condenser using small-power vacuum pump
The purpose of processing, and then achieve the effect that reduce condenser vaccum-pumping equipment whole power consumption.
In the present embodiment, the control method of above-mentioned condenser vaccum-pumping equipment is as follows:
State one: when just having started to carry out vacuumize process, vaccum-pumping equipment to condenser just to start, the first pipeline connection,
Second pipeline disconnects, powerful first vacuum pump work, to realize that initial stage high-power carries out vacuumize process to condenser
Purpose；
State two: when being in plateau to gas trap vacuumize process certain time, vacuum, the first pipeline
It disconnects, the second pipeline connection, low power second vacuum pump and supercharging device work.
By above-mentioned apparatus and method, so that condenser vaccum-pumping equipment utilizes powerful first vacuum in initial start stage
Pump carries out vacuumize process, to realize the fast and efficiently starting at the initial stage that vacuumizes；And the second vacuum pumping is used in the stage of stable development
It is vacuum-treated, greatly reduces the complete machine power consumption of vaccum-pumping equipment.
In the present embodiment, the first pipeline is equipped with first manual control valve and the first electronic control of the first pipeline on-off of control
Valve processed, first manual control valve are set to upstream with respect to the first motor-operated control valve；Second pipeline is equipped with the second pipeline of control
The second hand control valve and the second motor-operated control valve of on-off, the second hand control valve are set to upstream with respect to the second motor-operated control valve
Pipeline；The lobe pump is set on the second pipeline between the second motor-operated control valve and the second vacuum pump.
By the way that autocontrol valve is respectively set on pipeline, to realize that the first vacuum pump and the second vacuum pump are fast between each other
Purpose that is fast, accurate, intelligently switching；Meanwhile setting hand control valve is respectively corresponded in the upstream of autocontrol valve, with
It avoids autocontrol valve failure from leading to not the generation of operational circumstances, improves the reliability and safety of entire vaccum-pumping equipment.
In the present embodiment, the first vacuum pump 2 constitutes circulation with the first steam-water separator 5,8 phase of the first cooler series winding and leads to
Road, the high temperature steam water interface for enabling the first vacuum pump 2 extract out flow into the first steam-water separator 5, the separation of the first steam-water separator 5
The cryogenic condensation water that condensed water out enters the cooling of the first cooler 8, the first cooler 8 generates flows into 2 pairs of the first vacuum pump pumpings
High temperature steam water interface out carries out cooling separating treatment, to form water circulation.
In the present embodiment, the second vacuum pump 3 constitutes circulation with the second steam-water separator 6,9 phase of the second cooler series winding and leads to
Road, the high temperature steam water interface for enabling the second vacuum pump 3 extract out flow into the second steam-water separator 6, the separation of the second steam-water separator 6
The cryogenic condensation water that condensed water out enters the cooling of the second cooler 9, the second cooler 9 generates flows into 3 pairs of the second vacuum pump pumpings
High temperature steam water interface out carries out cooling separating treatment, to form water circulation.
By mutually finishing up and connecting vacuum pump with steam-water separator, cooler, to constitute waterway circulating, so that draw up
Condensed water is converted to the work aqueous medium of vacuum pump, reduces the water loss of vacuum pump, realizes water circulation secondary and utilize, significantly
Reduce the loss of complete machine.
In the present embodiment, first vacuum pump 2 and the second vacuum pump 3 are water-ring vacuum pump, the first vacuum pump
2 and second the work water inlet of vacuum pump 3 be respectively sub-cooled that self-corresponding first cooler 8 or the second cooler 9 flow into
Water, low-temperature cooling water is in contact with the high temperature steam-water mixing medium extracted out from condenser 1 and carries out heat exchange, to generate low temperature point
Water and gas from after, and will be carried out in the gas and water the first steam-water separator of inflow or the second steam-water separator after separation quiet
Only separate.
In the present embodiment, the first steam-water separator 5 includes the first shell for constituting accommodating chamber, is set in the middle part of first shell
There are the first import being connected with the outlet of the first vacuum pump 2, bottom to be equipped with first to be connected with 8 import of the first cooler and goes out liquid
Mouthful, the first gas outlet flowed out for air-flow is equipped at the top of first shell；The top of first shell is equipped with and 7 phase of condensed water water source tube
The lower part of water supply pipe and/or first shell is equipped with the lower moisturizing of first to be connected with condensed water water source tube 7 on the first of connection
Pipe is realized to flow into water flow to the first steam-water separator 5 and provides moisturizing to the first steam-water separator and/or reduce bulk temperature
Temperature lowering water.
In the present embodiment, the second steam-water separator 6 includes the second shell for constituting accommodating chamber, is set in the middle part of second shell
There are the second import being connected with the outlet of the second vacuum pump 3, bottom to be equipped with second to be connected with 9 import of the second cooler and goes out liquid
Mouthful, the second gas outlet flowed out for air-flow is equipped at the top of second shell；The top of second shell is equipped with and 7 phase of condensed water water source tube
The lower part of water supply pipe and/or second shell is equipped with the lower moisturizing of second to be connected with condensed water water source tube 7 on the second of connection
Pipe is realized to flow into water flow to the second steam-water separator 6 and provides moisturizing to the second steam-water separator and/or reduce bulk temperature
Temperature lowering water.
In the present embodiment, first cooler 8 includes the first cooler casing for constituting chamber, the first cooler 8
Both ends be respectively equipped with the first cooler inlet and the first cooler outlet, the first cooler inlet by the road with the first carbonated drink point
The first liquid outlet from 5 bottom of device is connected, and the first cooler outlet is connected with the import of the first vacuum pump 2 by the road, the
Be equipped with the first cooling heat transferring pipe in chamber that one cooler casing surrounds, the both ends of the first cooling heat transferring pipe respectively with condensed water water
Source capsule road 7 is connected, and is circulated with Cooling Water.
In the present embodiment, second cooler 9 includes the second cooler casing for constituting chamber, the second cooler 9
Both ends be respectively equipped with the second cooler inlet and the second cooler outlet, the second cooler inlet by the road with the second carbonated drink point
The second liquid outlet from device 6 is connected, and the second cooler outlet is connected with the import of the second vacuum pump 3 by the road, and second is cold
But be equipped with the second cooling heat transferring pipe in device shell surrounds chamber, the both ends of the second cooling heat transferring pipe respectively with condensed water water source tube
Road 7 is connected, and is circulated with Cooling Water.
In the present embodiment, the first steam-water separator 5 is equipped with detection and pumps inflow first shell internal chamber from the first vacuum 2
First temperature sensor of medium temperature, the second steam-water separator 6 are equipped with detection and flow into second shell from the second vacuum pump 3
The second temperature sensor of portion's chamber medium temperature.
By carrying out monitoring temperature respectively to the first steam-water separator and the second steam-water separator, with excessively high in the two temperature
When, by condensed water water supply line through water supply pipe, the second lower moisturizing on water supply pipe on corresponding first, the first lower water supply pipe or second
Pipe internally flows into cooling water flow, to realize the first steam-water separator and the second steam-water separator internal reservoir condensate temperature drop
Low purpose.
In the present embodiment, the first steam-water separator 5 is equipped with detection and flows into first shell internal chamber from the first vacuum pump 2
The first liquid level sensor of lower condensed water liquid level is retained, the second steam-water separator 6 is equipped with detection from the second vacuum pump 3
Flow into the second liquid level sensor that second shell internal chamber retains lower condensed water liquid level.
By being monitored to the liquid level inside the first steam-water separator and the second steam-water separator, in the two liquid
When position is too low, by condensed water water supply line through water supply pipe, second on water supply pipe on corresponding first, the first lower water supply pipe or second
Lower water supply pipe internally flows into moisturizing water flow, to realize the first steam-water separator and the second steam-water separator internal reservoir condensed water
Liquid level adjustment meets the purpose of water circulating pressure, and then is reached for first pressure pump and the enough cooling waters of second pressure pump offer
The effect in source.
In the present embodiment, water supply pipe on first, the first lower water supply pipe, on second on water supply pipe and the second lower water supply pipe respectively
The 5th control valve 20, the 6th control valve 21, the 7th control valve 22, the 8th control valve 23 equipped with the corresponding pipeline on-off of control, with
Realize the purpose controlled corresponding pipeline on-off.
In the present embodiment, the both ends of the first cooling heat transferring pipe are respectively equipped with the first of control heat exchange circulation water flowing on-off
Control valve 14 and the second control valve 15；The both ends of second cooling tube are respectively equipped with the third of control heat exchange circulation water flowing on-off
Control valve 16 and the 4th control valve 17；One end of first cooling heat transferring pipe is respectively equipped with provide flow dynamic for recirculated water first
Kinetic pump 18, one end of the second cooling heat transferring pipe, which is respectively equipped with, provides the second kinetic pump 19 of flow dynamic for recirculated water.
Embodiment two
The difference of the present embodiment and above-described embodiment one is: the bleeding point of condenser 1 is through third pipeline and third vacuum
Pump 31 is connected, and third vacuum pump 31 is connected by circulation with third steam-water separator 32 and 33 phase of third cooler, third vacuum pump
31 settings equal with the power of the first vacuum pump 2.
By the way that the third pipeline being in parallel with the first pipeline and the second pipeline is arranged, and on third pipeline, setting third is true
Sky pump, with for condenser vaccum-pumping equipment provide it is spare vacuumize branch, to further increase the stability of complete machine, avoid first
The occurrence of vacuum pump and the damage of the second vacuum pump can not open machine；Meanwhile vacuumize power needed for initial stage it is larger when, can will
First vacuum pump and third vacuum pump start simultaneously, to accelerate the evacuation rate of condenser.
In the present embodiment, third vacuum pump 31 constitutes circulation with third steam-water separator 32,33 phase of third cooler series winding
Channel, the high temperature steam water interface for enabling third vacuum pump 31 extract out flow into third steam-water separator 32, third steam-water separator 32
The cryogenic condensation water that the condensed water isolated enters the cooling of third cooler 33, third cooler 33 generates flows into third vacuum pump
The high temperature steam water interface of 31 pairs of extractions carries out cooling separating treatment, to form water circulation.
In the present embodiment, the third vacuum pump 31 is water-ring vacuum pump, third vacuum pump 31 and the first vacuum pump
The identical setting of 1 operating power；The water inlet of third vacuum pump 31 is the low-temperature cooling water that self-corresponding third cooler 33 flows into,
Low-temperature cooling water is in contact with the high temperature steam-water mixing medium extracted out from condenser 1 and carries out heat exchange, to generate cryogenic separation
Water and gas afterwards, and the gas after separation is flowed into third steam-water separator with water and carries out static separate.
In the present embodiment, third steam-water separator 32 includes the third shell for constituting accommodating chamber, the middle part of third shell
Equipped with export the third import being connected with third vacuum pump 32, bottom is equipped with the third that is connected with 33 import of third cooler
Liquid outlet, third case top are equipped with the third gas outlet flowed out for air-flow；The top of third shell is equipped with and condensed water water source
The lower part of water supply pipe and/or third shell is equipped under the third being connected with condensed water water source tube 7 in the third that pipe 7 is connected
Water supply pipe is realized to flow into water flow to third steam-water separator 32 and provides moisturizing to third steam-water separator and/or reduce whole
The temperature lowering water of temperature.
In the present embodiment, the third cooler 33 includes the first cooler casing for constituting chamber, third cooler
33 both ends are respectively equipped with third cooler inlet and third cooler outlet, third cooler inlet by the road with third carbonated drink
The third liquid outlet of separator bottom is connected, and third cooler outlet is connected with the import of third vacuum pump 31 by the road,
Be equipped with third cooling heat transferring pipe in chamber that third cooler casing surrounds, the both ends of third cooling heat transferring pipe respectively with condensed water
Water supply line 7 is connected, and is circulated with Cooling Water.
In the present embodiment, water supply pipe under third is respectively equipped on water supply pipe in third and controls the tenth of corresponding pipeline on-off
One control valve 39, the 12nd control valve 310, to realize the purpose controlled corresponding pipeline on-off.
In the present embodiment, the both ends of third cooling heat transferring pipe are respectively equipped with the 9th of control heat exchange circulation water flowing on-off
Control valve 36 and the tenth control valve 37；One end of third cooling heat transferring pipe, which is respectively equipped with, provides the third of flow dynamic for recirculated water
Kinetic pump 38.
In the present embodiment, third steam-water separator 32 is equipped with detection and flows into third enclosure interior chamber from third vacuum pump 31
The third temperature sensor of room medium temperature.It is flowed into addition, third steam-water separator 32 is equipped with detection from third vacuum pump 31
Third enclosure interior chamber retains the third liquid level sensor of lower condensed water liquid level.
Embodiment three
The difference of the present embodiment and above-described embodiment is: the supercharging device set on the second pipeline is set on the second vacuum pump
Multiple lobe pumps 4 of 3 upstreams.
In the present embodiment, each lobe pump 4 is successively contacted on the second pipeline of 3 upstream of the second vacuum pump.Sieve
Thatch pumps 4 pairs of gas-liquid mixed medias flowed through and successively carries out pressurized treatment, and the pressure medium for flowing into the second vacuum pump 3 is enabled further to increase
Greatly, to improve the separative efficiency of the second vacuum pump, the mesh for carrying out vacuumize process to condenser using small-power vacuum pump is realized
, and then achieve the effect that reduce condenser vaccum-pumping equipment whole power consumption.Meanwhile it can be in pressurization, according to second
The working condition of vacuum pump, the one or more or whole lobe pumps of control correspond to opening and closing, adjust the second vacuum to further realize
The purpose of pressure medium at pump.
It is also possible that each lobe pump to be respectively arranged on to the branch road of at least two-way parallel connection, with true according in pressurization second
The working state control of sky pump corresponds to road Roots's pump work or whole Roots's pump works, equally can reach and further adjusts second
The purpose of pressure medium at vacuum pump.
It should be noted that above-mentioned specific embodiment is only exemplary, and under above-mentioned introduction of the invention, this field
Technical staff can carry out various improvement and deformations on the basis of the above embodiments, and these are improved or deformation falls in this hair
In bright protection scope.
It will be understood by those skilled in the art that specific descriptions above are intended merely to explain the purpose of the present invention, not use
In the limitation present invention.Protection scope of the present invention is defined by the claims and their equivalents.
Claims (8)
1. a kind of condenser vaccum-pumping equipment, it is characterised in that: the first pipeline that the connection of the bleeding point of condenser is in parallel and the
Two pipelines are connected with the first vacuum pump, the second vacuum pump respectively, are respectively equipped with control piper on the first pipeline and the second pipeline
The control device of on-off；The power of first vacuum pump is greater than the second vacuum pump, and the second pipeline, which is equipped with to increase, flows into the second vacuum
The supercharging device of pressure medium in pump, the supercharging device are set to the upstream of the second vacuum pump, the increasing set on the second pipeline
Press fitting is set to multiple lobe pumps set on the second vacuum pump upstream, and each lobe pump is sequentially connected in series set on the second vacuum pump upstream
The second pipeline on, the first vacuum pump mutually contacts with the first steam-water separator, the first cooler and constitutes circulation canal, enables first true
The condensed water that the high temperature steam water interface that empty pumping goes out flows into the first steam-water separator, the first steam-water separator is isolated enters cold
But the cryogenic condensation water that device cooling, cooler generate flows into the first vacuum pump and carries out cooling point to the high temperature steam water interface of extraction
From processing, to form water circulation；First steam-water separator includes the first shell for constituting accommodating chamber, is set in the middle part of first shell
There are the first import being connected with the first vacuum pump outlet, bottom to be equipped with first to be connected with the first cooler inlet and goes out liquid
Mouthful, the first gas outlet flowed out for air-flow is equipped at the top of first shell；The top of first shell is equipped with and condensed water water source tube phase
The lower part of water supply pipe and/or first shell is equipped with the lower water supply pipe of first to be connected with condensed water water source tube on the first of connection,
To flow into water flow to the first steam-water separator, the first gas outlet is set to the top at the top of first shell, the first vacuum pump and first
Cooler is respectively arranged below the first steam-water separator, and the first vacuum pump is set to below the first cooler, and condenser vacuumizes
The control method of equipment includes: when just starting to carry out vacuumize process to condenser, and the first pipeline connection, the second pipeline disconnect,
Powerful first vacuum pump work；After a certain period of time to gas trap vacuumize process, the first pipeline disconnects, the second pipeline connects
Logical, low power second vacuum pump and supercharging device work, the first pipeline are equipped with the first manual of the first pipeline on-off of control
Control valve and the first motor-operated control valve, first manual control valve are set to upstream with respect to the first motor-operated control valve, and described the
One cooler include constitute chamber the first cooler casing, the both ends of the first cooler be respectively equipped with the first cooler inlet and
First cooler outlet, the first cooler inlet are connected with the first liquid outlet of the first steam-water separator by the road, and first is cold
But device outlet is connected with the import of the first vacuum pump by the road, and it is cooling that first is equipped in the chamber that the first cooler casing surrounds
The both ends of heat exchanger tube, the first cooling heat transferring pipe are connected with condensed water water supply line respectively, are circulated with Cooling Water, first
Steam-water separator is equipped with the first temperature sensor that detection flows into first shell internal chamber medium temperature from the first vacuum pump.
2. a kind of condenser vaccum-pumping equipment according to claim 1, it is characterised in that: the first pipeline is equipped with control the
The first manual control valve and the first motor-operated control valve of one pipeline on-off, first manual control valve are set with respect to the first motor-operated control valve
In upstream；Second pipeline is equipped with the second hand control valve and the second motor-operated control valve of the second pipeline on-off of control, the
Two hand control valves are set to upstream with respect to the second motor-operated control valve；The lobe pump is set to the second motor-operated control valve and the
On the second pipeline between two vacuum pumps.
3. a kind of condenser vaccum-pumping equipment according to any one of claims 1 to 2, it is characterised in that: the second vacuum pump with
Second steam-water separator, the second cooler mutually contact and constitute circulation canal, the high temperature steam water interface for enabling the second vacuum pump extract out
Flow into the second steam-water separator, the condensed water that the second steam-water separator is isolated enter cooler cooling, cooler generate it is low
Warm condensed water flows into the second vacuum pump and carries out cooling separating treatment to the high temperature steam water interface of extraction, to form water circulation.
4. a kind of condenser vaccum-pumping equipment according to claim 3, it is characterised in that: first vacuum pump and
Two vacuum pumps are water-ring vacuum pump, and the work water inlet of the first vacuum pump and the second vacuum pump is respectively self-corresponding first cold
But the low-temperature cooling water that device or the second cooler flow into, low-temperature cooling water and the high temperature steam-water mixing medium phase extracted out from condenser
It contacts and carries out heat exchange.
5. a kind of condenser vaccum-pumping equipment according to claim 3, it is characterised in that: the second steam-water separator includes structure
At the second shell of accommodating chamber, the middle part of second shell is equipped with the second import being connected with the second vacuum pump outlet, bottom
Equipped with the second liquid outlet being connected with the second cooler inlet, the second outlet flowed out for air-flow is equipped at the top of second shell
Mouthful；The top of second shell is equipped with the lower part of water supply pipe and/or second shell on second to be connected with condensed water water source tube and sets
There is water supply pipe under second to be connected with condensed water water source tube, to flow into water flow to the second steam-water separator.
6. a kind of condenser vaccum-pumping equipment according to claim 5, it is characterised in that: second cooler includes
The second cooler casing of chamber is constituted, the both ends of the second cooler are respectively equipped with the second cooler inlet and the second cooler goes out
Mouthful, the second cooler inlet is connected with the second liquid outlet of the second steam-water separator by the road, and the second cooler outlet is through pipe
Road is connected with the import of the second vacuum pump, is equipped with the second cooling heat transferring pipe in the chamber that the second cooler casing surrounds, and second
The both ends of cooling heat transferring pipe are connected with condensed water water supply line respectively, are circulated with Cooling Water.
7. a kind of condenser vaccum-pumping equipment according to claim 5, it is characterised in that: the second steam-water separator is equipped with
Detect the second temperature sensor that second shell internal chamber medium temperature is flowed into from the second vacuum pump；On first steam-water separator
The first liquid level sensor that first shell internal chamber retains lower condensed water liquid level is flowed into from the first vacuum pump equipped with detection,
Second steam-water separator is equipped with detection and flows into condensed water liquid level under second shell internal chamber is retained from the second vacuum pump
The second liquid level sensor；Water supply pipe on first, the first lower water supply pipe are set on water supply pipe and the second lower water supply pipe respectively on second
There is the control valve of control piper on-off；The both ends of first cooling heat transferring pipe and the second cooling heat transferring pipe are respectively equipped with control heat exchange
One end of the control valve and/or check valve of recirculated water flowing on-off, the first cooling heat transferring pipe and the second cooling heat transferring pipe is set respectively
Promising recirculated water provides the kinetic pump of flow dynamic.
8. a kind of condenser vaccum-pumping equipment according to claim 1, it is characterised in that: the bleeding point of condenser is through third
Pipeline is connected with third vacuum pump, and third vacuum pump is mutually connected by circulation with third steam-water separator and third cooler, third
Vacuum pump setting equal with the power of the first vacuum pump.
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| CN201610618654.XA CN106288849B (en) | 2016-08-01 | 2016-08-01 | A kind of condenser vaccum-pumping equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610618654.XA CN106288849B (en) | 2016-08-01 | 2016-08-01 | A kind of condenser vaccum-pumping equipment |
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| CN106288849B true CN106288849B (en) | 2019-08-20 |
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| CN107062935A (en) * | 2017-05-18 | 2017-08-18 | 华电电力科学研究院 | Small steam turbine rough vacuum automatic regulating system and its operating method |
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| CN106288849A (en) | 2017-01-04 |
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