CN105822577B - A kind of pendular ring pump/compressor system and the method for preventing overload - Google Patents
A kind of pendular ring pump/compressor system and the method for preventing overload Download PDFInfo
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- CN105822577B CN105822577B CN201510005179.4A CN201510005179A CN105822577B CN 105822577 B CN105822577 B CN 105822577B CN 201510005179 A CN201510005179 A CN 201510005179A CN 105822577 B CN105822577 B CN 105822577B
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Abstract
The invention discloses a kind of pendular ring pump/compressor system and the method for preventing overload.System includes:Pendular ring pump/compressor and gas-liquid separator, gas-liquid separator are horizontal, set baffle plate to be separated into the space of two top connections, space A and space B inside gas-liquid separator inside gas-liquid separator;Balanced line, balanced line connection space A bottoms are provided between pendular ring pump/compressor and gas-liquid separator;Liquid rotary pump/compressor outlet connection gas-liquid separator space A top;Gas-liquid separator space A outlet at bottoms connection working solution circular route, working solution circular route and working solution make up line and are connected connection pendular ring pump/compressor fluid inlet after working solution cooler after merging;Gas-liquid separator space B outlet at bottom connected drainage line;Gas-liquid separator space B top exit pipeline is divided into two, and out-of-bounds, another merges with pendular ring/compressor pump gas feed pipeline for a connection.The present invention can prevent unit from overloading and improving operational efficiency and stability.
Description
Technical field
The present invention relates to liquid rotary pump/compressor field, further say, be related to a kind of pendular ring pump/compressor system and
Prevent the stabilization of overload, efficient, method for safe operation.
Background technology
Current liquid rotary pump/compressor design field existing both at home and abroad, be all substantially using vertical gas-liquid separator come
Gas-liquid separation is carried out, and have interior panelling, causes level control unstable, starts shooting and during normal operation, easily causes for the first time
Overload and damage unit;And the light component separated after being dissolved in working solution can not be effectively removed, causes light component to be returned
Pendular ring pump intake is returned, reduces liquid rotary pump/compressor capacity.And most flow settings are excessively simple, without the low stream of working solution
Amount is caused preferably protect unit and is ensured the efficient, safe and stable of unit with safeguard measures such as high high level interlockings
Operation.
The content of the invention
To solve produced problem in the prior art, the invention provides a kind of pendular ring pump/compressor system and prevented
The method of load.It can prevent unit from overloading and improving operational efficiency, reliability and stability.
An object of the present invention is to provide a kind of pendular ring pump/compressor system.
Including pendular ring pump/compressor and gas-liquid separator;
The gas-liquid separator is horizontal, sets baffle plate to be separated into two inside gas-liquid separator inside gas-liquid separator
The space of top connection, the space close to pendular ring pump/compressor is space A, and another space is space B;
Balanced line, balanced line connection space A bottoms are provided between pendular ring pump/compressor and gas-liquid separator;
Liquid rotary pump/compressor outlet connection gas-liquid separator space A top;Gas-liquid separator space A outlet at bottoms connect
Connect working solution circular route, working solution circular route and working solution make up line be connected working solution cooler after merging after connect pendular ring
Pump/compressor fluid inlet;
Gas-liquid separator space B outlet at bottom connected drainage line;Gas-liquid separator space B top exit pipeline is divided into two
Branch, out-of-bounds, another merges with liquid rotary pump/compressor gas inlet line for a connection.
The upper edge of the baffle plate is between center line -200~+300mm of pendular ring pump/compressor;
The space A of gas-liquid separator sets liquid level monitoring instrument and alarmed with detecting live liquid level and DCS, and space B sets liquid
Position monitoring device is to detect live liquid level and alarm, and the Concatenate shut-down in high high level
Working solution manual modulation valve is provided with pipeline between working solution cooler and pendular ring pump/compressor fluid inlet
With working solution flow monitoring device, Concatenate shut-down is provided with working solution flow monitoring device, can when flow is too low or too high
Autostop.
The second object of the present invention is to provide a kind of method for preventing overload.
Including:
(1) gas enters pendular ring pump/compressor, and the space A of gas-liquid separator is entered after being pressurized together with hydraulic fluid;
(2) gas-liquid separation is carried out in the space A of gas-liquid separator, after gas-liquid separation, light component overflows to baffle plate
Opposite side space B, redundance are discharged out-of-bounds by Liquid level;
(3) liquid in the A of gas-liquid separator space is returned by working solution circular route after merging cooling with the working solution of supplement
Return liquid rotary pump/compressor operating liquid entrance;
(4) liquid level in pendular ring pump/compressor is adjusted by balanced line.
Wherein,
In step (2), the space A of gas-liquid separator and the liquid level of space B are controlled by liquid level monitoring instrument.
In step (3), working solution, using traffic monitoring instrument, carries out traffic monitoring alarm after supercooling.
The present invention can use following technical scheme:
Liquid rotary pump/compressor outlet connection gas-liquid separator entrance, gas-liquid separator gaseous phase outlet connection return valve and gas
Mutually outlet is gone out-of-bounds, separator liquid outlet connection heat exchanger entrance, pendular ring pump/compressor is returned to after cooling;
The pendular ring system includes the separator of interior panelling, the height of baffle plate adjusts within the specific limits;Baffle plate two
Side liquid Space is independent, respectively has liquid level monitoring alone to indicate, the liquid level monitoring in A spaces is mainly that scene instruction and DCS refer to
Show and alarm, for detecting whether interior panelling leaks;The liquid level monitoring in B spaces mainly scene is indicated, DCS instructions are alarmed,
Tapping valve controls, and high high level Concatenate shut-down.
Baffle plate left area (space A) in the liquid rotary pump/compressor outlet connection gas-liquid separator, carries out gas-liquid point
From gas is discharged by top nozzle, the another side (space B) of liquid flooding to baffle plate.
The working solution of the pendular ring pump/compressor system is by the fluid infusion of pendular ring pump/compressor, into liquid rotary pump/pressure
Contracting machine is filled, and is balanced by balanced line (utilizing takeoff line UNICOM) and gas-liquid separator, and unnecessary working solution overflow is extremely
The right side (space B) of the baffle plate of separator.
The pendular ring system is included containing the independent low alarm of working solution flow and Concatenate shut-down, and can be according to work work
Make the manual adjustment work flow quantity of burden requirement to the manually-operated gate of lowest power exhaustion point, when flow is too high or too low, connection
Locking machine can autostop, to prevent equipment dry then damage.
The pendular ring system includes, containing the working solution come out from separator, it is another entering baffle plate by interior panelling
Side, in the fluid space of this baffle plate independence, liquid level monitoring instrument is set, for the instruction of live liquid level, the control of blowoff valve and
High liquid level warning and high high level Concatenate shut-down, so that protection equipment overloads and damages.
The effect of the present invention:
Using the device and method of the present invention, when first filler working solution is driven, due to having substantially and pump
The overflow for the baffle plate that center line flushes acts on, and the hydraulic fluid filled in liquid rotary pump is not above the baffle plate of separator, so as to protect
Card liquid rotary pump will not be full of working solution entirely, and overload starts and damages motor.In normal operation, due to having overflow baffle and baffle plate
Double liquid level instruction and alarm and control, the interlocking of both sides, will not be out of control because of Liquid level in gas-liquid separator, and causes pendular ring
Pump overloads and damages motor, and this baffle plate can ensure that pendular ring unit runs on high-efficiency point always with steady operation flow quantity.This
Baffle plate can ensure the light component that effective overflow discharge working solution compression dissolving is then isolated in the separator, ensure working solution
In do not bring light component into, so as to which the suction vacuum and inlet capacity of pump will not be reduced, ensure the Effec-tive Function of liquid rotary pump.
On working solution circular route set flow alarm function and interlocking and gas-liquid separator B spatially set liquid level gauge and solely
Vertical fluid level transmitter is used for the high alarm of liquid level and the high Concatenate shut-down of liquid level, can greatly improve the stable of system
Property and reliability, improve the system operation life-span.And can be according to plant running load, manual adjustment work flow quantity is to most preferably
Load point, to obtain minimal power consumption.
Brief description of the drawings
Fig. 1 is liquid rotary pump/Compressor Process flow chart of prior art;
Description of reference numerals:
1- liquid rotary pump inlet lines;2- liquid rotary pumps;3- outlet lines;4- gas-liquid separators;5- baffle plates;6- monitoring devices;
7- drainage threads;8- working solution circular routes;9- working solution coolers;10- balanced lines;11- exhaust lines;The 12- gas phase lines of return;13-
Working solution flow traffic monitoring instrument;14- working solution manual modulation valves;15- working solutions supplement;16- Concatenate shut-downs.
Embodiment
With reference to embodiment, the present invention is further illustrated.
Embodiment:
A kind of as shown in Fig. 2 pendular ring pumping system.
Including liquid rotary pump 2 and gas-liquid separator 4,
The gas-liquid separator 4 is horizontal, and the inside of gas-liquid separator 4 sets baffle plate 5 to be separated into inside gas-liquid separator
The space of two top connections, the space close to liquid rotary pump is space A, and another space is space B;
Balanced line 10, the connection space A bottoms of balanced line 10 are provided between liquid rotary pump 2 and gas-liquid separator 4;
The outlet of liquid rotary pump 2 connection gas-liquid separator space A top;The A outlet at bottoms connection work of gas-liquid separator space
Liquid circular route 8, working solution circular route 8 and working solution make up line and be connecteds the connection liquid of liquid rotary pump 2 after working solution cooler 9 after merging
Phase import;
Gas-liquid separator space B outlet at bottom connected drainage line 11;Gas-liquid separator space B top exit pipeline is divided into two
Branch, out-of-bounds, another merges with liquid rotary pump gas feed pipeline for a connection.In the overhead height and liquid rotary pump of the baffle plate 5
Heart line flushes.
The space A and space B of gas-liquid separator set liquid level monitoring instrument 6 respectively.
Working solution manual modulation valve 14 and work are provided with pipeline between working solution cooler and liquid rotary pump fluid inlet
Make flow quantity monitoring device 13, Concatenate shut-down 16 is provided with working solution flow monitoring device.
The process gas enters liquid rotary pump or liquid rotary compressor system 2 by suction line 1, is pressurized by liquid rotary pump
Afterwards, after outlet line 3, gas-liquid separator 4 is drained into.
Liquid rotary pump or the liquid rotary compressor pump housing 2 is connected to working solution entrance, and this working solution and process gas pressurize together
Afterwards, gas-liquid separator 4 is drained into, carries out gas-liquid separation.
The working solution passes through liquid rotary pump or liquid rotary compressor outlet line 3, into the interior panelling 5 of gas-liquid separator 4
Side (space A), after gas-liquid separation, overflow to the opposite side (space B) of baffle plate, redundance by liquid level monitoring 6 and
Draining valve and pipeline 7, are automatically drained out out-of-bounds.
The working solution from space A bottom by working solution circular route 8, into working solution heat exchanger 9, through supercooling
Afterwards, by traffic monitoring instrument 13, pendular ring pump fluid entrance is returned.It can be adjusted by the manually-operated gate 14 on working solution
Working solution flow is to high efficiency point.
It is described to overflow to space B from middle baffle plate 5 with the light component for bringing dissolving into from process upstream gas, pass through discharge opeing
Valve and pipeline 7, are automatically drained out system.
The working solution after subcooler 9, using traffic monitoring instrument 13, carries out traffic monitoring report from pipeloop 8
It is alert, as working solution flow is low, alarm, operation live intervention processing, up to enabling can be sent;As working flow after
It is continuous to reduce, pass through DCS system even safety instrumented systems, when reaching low low discharge preset value, automatic power failure machine.Such as work
Flow continues to raise, can also automatic power failure machine when reaching high high flow capacity preset value.
The working solution from gas-liquid separator 4 the overflow of interior panelling 5 to space B, utilize the monitoring of liquid level monitoring instrument
Liquid level, if liquid level is high or bottom is handled using manual intervention mode, when liquid level continues to be raised to high predetermined set value, pass through DCS
System even safety instrumented systems, when reaching low low discharge preset value, automatic power failure machine.Liquid level continues to be reduced to low pre-
When determining setting value, control valve is closed by DCS system automatically.
Claims (7)
1. a kind of pendular ring pump/compressor system, including pendular ring pump/compressor and gas-liquid separator, it is characterised in that:
The gas-liquid separator is horizontal, sets baffle plate to be separated into two tops inside gas-liquid separator inside gas-liquid separator
The space of connection, the space close to liquid rotary pump is space A, and another space is space B;
Balanced line, balanced line connection space A bottoms are provided between pendular ring pump/compressor and gas-liquid separator;
Liquid rotary pump/compressor outlet connection gas-liquid separator space A top;Gas-liquid separator space A outlet at bottoms connection work
Make liquid circular route, working solution circular route and working solution make up line and be connected connection liquid rotary pump/pressure after working solution cooler after merging
Contracting machine fluid inlet;
Gas-liquid separator space B outlet at bottom connected drainage line;Gas-liquid separator space B top exit pipeline is divided into two, and one
Out-of-bounds, another merges Zhi Liantong with liquid rotary pump/compressor gas inlet line.
2. pendular ring pump/compressor system as claimed in claim 1, it is characterised in that:
The upper edge of the baffle plate is between center line -200~+300mm of pendular ring pump/compressor.
3. pendular ring pump/compressor system as claimed in claim 1, it is characterised in that:
The space A and space B of gas-liquid separator set liquid level monitoring instrument respectively.
4. pendular ring pump/compressor system as claimed in claim 1, it is characterised in that:
Working solution manual modulation valve and work are provided with pipeline between working solution cooler and pendular ring pump/compressor fluid inlet
Make flow quantity monitoring device, Concatenate shut-down is provided with working solution flow monitoring device.
5. a kind of method for preventing overload of pendular ring pump/compressor system using as described in one of Claims 1 to 4, it is special
Sign is that methods described includes:
(1) gas enters pendular ring pump/compressor, and the space A of gas-liquid separator is entered after being pressurized together with hydraulic fluid;
(2) gas-liquid separation is carried out in the space A of gas-liquid separator, after gas-liquid separation, light component overflows to the another of baffle plate
Side space B, redundance are discharged out-of-bounds by Liquid level;
(3) liquid in the A of gas-liquid separator space merges rework solution after cooling with the working solution of supplement by working solution circular route
Ring pump/compressor working solution entrance;
(4) liquid level in pendular ring pump/compressor is adjusted by balanced line.
6. the method as claimed in claim 5 for preventing overload, it is characterised in that:
In step (2), the space A of gas-liquid separator and the liquid level of space B are measured by liquid level monitoring instrument, controlled.
7. the method as claimed in claim 5 for preventing overload, it is characterised in that:
In step (3), working solution, using traffic monitoring instrument, carries out traffic monitoring alarm after supercooling.
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CN201510005179.4A CN105822577B (en) | 2015-01-06 | 2015-01-06 | A kind of pendular ring pump/compressor system and the method for preventing overload |
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KR101701806B1 (en) * | 2016-12-30 | 2017-02-02 | 정세라 | Automatic water seal type suction device for dental unit chair |
CN106804546A (en) * | 2017-03-11 | 2017-06-09 | 中国海洋大学 | A kind of frequency conversion type fishpump and its application method based on four-way valve |
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EP0486726A1 (en) * | 1990-11-23 | 1992-05-27 | Siemens Aktiengesellschaft | Liquid ring pump |
CN202646038U (en) * | 2012-04-28 | 2013-01-02 | 四川科伦药业股份有限公司 | Liquid ring vacuum pump circulating system |
CN202954970U (en) * | 2012-11-01 | 2013-05-29 | 淄博水环真空泵厂有限公司 | Efficient water ring vacuum pump complete device with oversized sucking rate |
CN203308731U (en) * | 2013-05-23 | 2013-11-27 | 河南中烟工业有限责任公司 | Equalizing pipeline of water ring vacuum set |
CN203627261U (en) * | 2013-10-28 | 2014-06-04 | 上海长翊科技股份有限公司 | Vacuum pump system for generating gallium ion exchange resin particles |
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2015
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0486726A1 (en) * | 1990-11-23 | 1992-05-27 | Siemens Aktiengesellschaft | Liquid ring pump |
CN202646038U (en) * | 2012-04-28 | 2013-01-02 | 四川科伦药业股份有限公司 | Liquid ring vacuum pump circulating system |
CN202954970U (en) * | 2012-11-01 | 2013-05-29 | 淄博水环真空泵厂有限公司 | Efficient water ring vacuum pump complete device with oversized sucking rate |
CN203308731U (en) * | 2013-05-23 | 2013-11-27 | 河南中烟工业有限责任公司 | Equalizing pipeline of water ring vacuum set |
CN203627261U (en) * | 2013-10-28 | 2014-06-04 | 上海长翊科技股份有限公司 | Vacuum pump system for generating gallium ion exchange resin particles |
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