CN108958324A - A kind of Temperature-controlled appliance of depressurized system - Google Patents

A kind of Temperature-controlled appliance of depressurized system Download PDF

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Publication number
CN108958324A
CN108958324A CN201810935200.4A CN201810935200A CN108958324A CN 108958324 A CN108958324 A CN 108958324A CN 201810935200 A CN201810935200 A CN 201810935200A CN 108958324 A CN108958324 A CN 108958324A
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China
Prior art keywords
valve
temperature
thermodynamic equilibrium
tie point
medium
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CN201810935200.4A
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CN108958324B (en
Inventor
郑晓东
王建强
杜大喜
韩旭
陈畅
王阳
郑伟
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Beijing Aerospace Propulsion Institute
Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd
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Beijing Aerospace Propulsion Institute
Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd
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Priority to CN201810935200.4A priority Critical patent/CN108958324B/en
Publication of CN108958324A publication Critical patent/CN108958324A/en
Priority to PCT/CN2019/073313 priority patent/WO2020034597A1/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/30Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)

Abstract

The present invention relates to coal chemical industries and petrochemical equipment technical field, specifically disclose a kind of Temperature-controlled appliance of depressurized system, the depressurized system includes main technical module, Machinery Control System, Temperature-controlled appliance and intelligence control system, and the Temperature-controlled appliance includes storage element, switch unit, heating unit, cooling unit, supply unit, thermodynamic equilibrium medium inlet and thermodynamic equilibrium media outlet in one embodiment;The thermodynamic equilibrium medium enters storage element from thermodynamic equilibrium medium inlet, pressure is improved by supply unit from the thermodynamic equilibrium medium exported in storage element to be delivered to from switch unit, and then is conveyed or returned in storage element toward downstream according to the demand of main technical module.Temperature-controlled appliance of the present invention is suitable for the depressurized system under high temperature and high pressure condition, and piping material can be greatly reduced and aoxidize possible, extension pipeline service life.

Description

A kind of Temperature-controlled appliance of depressurized system
Technical field
The invention belongs to coal chemical industries and petrochemical equipment technical field, and in particular to a kind of temperature control of depressurized system Equipment.
Background technique
Depressurized system is for the bad working environments of 300~600 DEG C of high temperature and 10~30MPa pressure in on-fixed bed hydroprocessing device The pressure and flow of lower multiphase flow medium are adjusted, and heat up before depressurized system comes into operation hot standby, are avoided high-temperature medium straight It taps into and causes pipeline or equipment damage into pipeline;After coming into operation, for the ease of Quick overhaul, and need to carry out the drop of reasonable rate Temperature, to save the repair time.
At this stage, due to the harsh conditions of temperature and pressure, hot standby mostly use of pipeline heating is directly carried out in pipeline surface Electrically heated scheme.But electric heating scheme easily causes pipeline external wall localized hyperthermia, accelerates pipeline and equipment and materials oxidation;Electricity adds The inhomogeneities of heat will also result in pipe stress unevenness, cause material it is transgranular/phenomena such as intergranular is precipitated, intergranular crack, and it is final It cracks, accelerates pipeline material failure.Meanwhile electric heating scheme can only use time-consuming method for air-cooling in maintenance, or Additional configuration cooling system increases equipment manufacturing cost.
Pipe is carried out using the hot oil medium of the single temperature between room temperature and working temperature in addition, there are also schemes The temperature of line controls.However when working temperature is higher, the temperature difference between the hot oil medium and pipeline of single temperature can reach 100 It~300 DEG C, can still cause the chilling and shock heating of piping material, the pipeline service life is greatly reduced.
Therefore, it needs to design normal operation of a set of reasonable Temperature-controlled appliance to guarantee depressurized system.
Summary of the invention
The purpose of the present invention is to provide a kind of Temperature-controlled appliances of depressurized system, to guarantee the normal fortune of depressurized system Row.
Technical scheme is as follows:
A kind of Temperature-controlled appliance of depressurized system, the depressurized system are used for high temperature and high pressure condition, including main technique Module, Machinery Control System, Temperature-controlled appliance and intelligence control system;
Processing medium enters main technical module, and under the instruction of intelligence control system, Machinery Control System output torque is main Each valve of technical module carries out step switch and aperture regulation, so that the decompression of processing medium is realized, later from depressurized system Outflow;
Main process pipelines of the main technical module of the depressurized system using two-way to seven tunnels comprising reducer unit, per all the way Main process pipelines are identical, the reducer unit comprising using decompression valve as core, front and back stop valve or switching valve being auxiliary:
In the main technical module of depressurized system successively includes that connecting pipe I, upstream are cut for first per process pipelines main all the way Disconnected valve, connecting pipe II, upstream second stop valve, connecting pipe III, pressure reducing valve, connecting pipe IV, the cutting of downstream second Valve, connecting pipe V, first of downstream stop valve, connecting pipe VI;
Machinery Control System is cut off with first of upstream stop valve, the upstream second per process pipelines main all the way respectively Valve, pressure reducing valve, downstream second stop valve and first of downstream stop valve are connected;
The Temperature-controlled appliance provides different according to the instruction of intelligence control system to the main process pipelines of depressurized system The medium of temperature, pressure, type realizes the functions such as temperature control, pressure control, cleaning, the sealing detection inside depressurized system;
The Temperature-controlled appliance tie point with four sections of connecting pipes on main process pipelines respectively, specially with connection The tie point III's of the tie point II of the tie point I of pipeline II and connecting pipe III and connecting pipe IV and connecting pipe V Tie point IV;
The Temperature-controlled appliance according to the instruction of intelligence control system, by the tie point I, tie point II, Tie point III, tie point IV provide or recycle thermodynamic equilibrium medium to the main technical module of depressurized system;
The thermodynamic equilibrium medium flows in the main process pipelines of depressurized system, realizes to the main technique mould of depressurized system Block carries out including the temperature control such as heating, heat preservation, cooling.
Further, a kind of Temperature-controlled appliance of depressurized system as described above, Temperature-controlled appliance include that storage is single Member, switch unit, heating unit, cooling unit, supply unit, thermodynamic equilibrium medium inlet and thermodynamic equilibrium media outlet;
The storage element is storage tank;
Switch unit includes minimum reflux valve, valve I, valve II, valve III, valve IV and valve V;
Heating unit is heater;
Cooling unit is cooler;
Supply unit is pump group;
The tie point I, tie point II, tie point III, tie point IV are flat with the heating power in Temperature-controlled appliance respectively Weighing apparatus medium inlet or thermodynamic equilibrium media outlet are connected;
The thermodynamic equilibrium medium enters storage tank from thermodynamic equilibrium medium inlet, and the thermodynamic equilibrium exported from storage tank is situated between Matter improves pressure by pump group and is delivered at minimum reflux valve, and then is conveyed according to main technical module demand volume size toward downstream Or it returns in storage tank;
When the medium temperature in storage tank is lower than set temperature, thermodynamic equilibrium medium is delivered to downstream, passes sequentially through valve II, heater after heated device is heated to set temperature, flow through valve III and valve V, are supplied by thermodynamic equilibrium media outlet To main technical module;
When in storage tank medium temperature be higher than set temperature when, thermodynamic equilibrium medium is delivered to downstream, pass sequentially through valve I, Cooler flows through valve IV and valve V after cooler is cooled to set temperature, is supplied and is led by thermodynamic equilibrium media outlet Technical module;
After thermodynamic equilibrium medium comes out from main technical module, one of following movement is executed: recycled in inflow storage tank, It is no longer flow into storage tank.
When the thermodynamic equilibrium medium temperature in storage tank is lower than set temperature, the setting of heater in storage tank is first adjusted, it will Thermodynamic equilibrium medium is heated to set temperature, and thermodynamic equilibrium medium is then delivered to downstream, make it followed by valve II and Valve III supplies main technical module by thermodynamic equilibrium media outlet;
When thermodynamic equilibrium medium temperature is higher than set temperature in storage tank, thermodynamic equilibrium medium is delivered to downstream, is passed through After valve I, it is cooled to set temperature through subcooler, then flows through valve III, main work is supplied by thermodynamic equilibrium media outlet Skill module;
After thermodynamic equilibrium medium comes out from main technical module, one of following movement is executed: recycled in inflow storage tank, It is no longer flow into storage tank.
Further, a kind of Temperature-controlled appliance of depressurized system as described above, selects not equality of temperature according to actual needs The thermodynamic equilibrium medium of degree, pressure and type.
Further, a kind of Temperature-controlled appliance of depressurized system as described above, the thermodynamic equilibrium medium are oil One of product, steam.
Further, a kind of Temperature-controlled appliance of depressurized system as described above, in the tie point I, tie point Pressure gauge is respectively set in II, tie point III, the position tie point IV.
Further, a kind of Temperature-controlled appliance of depressurized system as described above, the cooler are cooling for air One of device, water recirculator;The heater is one of electric heater, oil heater.
Remarkable result of the invention is:
(1) Temperature-controlled appliance of the present invention is suitable for the depressurized system under high temperature and high pressure condition, and tube wire can be greatly reduced Material oxidation is possible, extends pipeline service life.
(2) Temperature-controlled appliance of the present invention to depressurized system piping material homogeneous heating, answer by the heat that can effectively reduce material Power.
(3) continuously adjustable temperature control function may be implemented in Temperature-controlled appliance of the present invention, and high reliablity is more advantageous to Protect the safety of line equipment.
Detailed description of the invention
Fig. 1 is a kind of depressurized system example structure schematic diagram;
Fig. 2 is a kind of one schematic diagram of Temperature-controlled appliance scheme of depressurized system;
Fig. 3 is a kind of two schematic diagram of Temperature-controlled appliance scheme of depressurized system.
In figure: 1, main processing line entrance;2, first of upstream stop valve;3, upstream second stop valve;4, decompression is adjusted Valve;5, downstream second stop valve;6, first of downstream stop valve;7, main processing line outlet;8, thermodynamic equilibrium system;9, mechanical Control system;11, thermodynamic equilibrium medium inlet;12, storage tank;13, pump group is conveyed;14, minimum reflux valve;15, valve I;16, cold But device;17, valve II;18, heater;19, valve III;20, valve IV;21, valve V;22, thermodynamic equilibrium media outlet; 23, thermodynamic equilibrium medium inlet;24, storage tank;25, heater;26, pump group is conveyed;27, minimum reflux valve;28, valve I, 29, Cooler;30, valve II;31, connecting pipe I;32, connecting pipe II;33, connecting pipe III;34, connecting pipe IV;35, Connecting pipe V;36, connecting pipe VI;41, valve III;42, thermodynamic equilibrium media outlet;81, tie point I;82, tie point II;83, tie point III;84, tie point IV.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 3, a kind of Temperature-controlled appliance of depressurized system of the present invention, the depressurized system are used for high temperature High pressure operating condition, including main technical module, Machinery Control System 9, Temperature-controlled appliance 8 and intelligence control system;
Processing medium enters main technical module, and under the instruction of intelligence control system, Machinery Control System output torque is main Each valve of technical module carries out step switch and aperture regulation, so that the decompression of processing medium is realized, later from depressurized system Outflow;
Main process pipelines of the main technical module of the depressurized system using two-way to seven tunnels comprising reducer unit, per all the way Main process pipelines are identical, the reducer unit comprising using decompression valve as core, front and back stop valve or switching valve being auxiliary:
In the main technical module of depressurized system successively includes that connecting pipe I, upstream are cut for first per process pipelines main all the way Disconnected valve, connecting pipe II, upstream second stop valve, connecting pipe III, pressure reducing valve, connecting pipe IV, the cutting of downstream second Valve, connecting pipe V, first of downstream stop valve, connecting pipe VI;
Machinery Control System 9 is cut off with first of upstream stop valve, the upstream second per process pipelines main all the way respectively Valve, pressure reducing valve, downstream second stop valve and first of downstream stop valve are connected;
The Temperature-controlled appliance 8 provides not according to the instruction of intelligence control system to the main process pipelines of depressurized system The medium of synthermal, pressure, type realizes the function such as temperature control, pressure control, cleaning, the sealing detection inside depressurized system Energy;
The Temperature-controlled appliance 8 tie point with four sections of connecting pipes on main process pipelines respectively, specially and even The tie point III of the tie point II of the tie point I of adapter tube road II and connecting pipe III and connecting pipe IV and connecting pipe V Tie point IV;
The Temperature-controlled appliance 8 according to the instruction of intelligence control system, by the tie point I, tie point II, Tie point III, tie point IV provide or recycle thermodynamic equilibrium medium to the main technical module of depressurized system;
The thermodynamic equilibrium medium flows in the main process pipelines of depressurized system, realizes to the main technique mould of depressurized system Block carries out including the temperature control such as heating, heat preservation, cooling.
As shown in Fig. 2, in one embodiment, Temperature-controlled appliance 8 include storage element, switch unit, heating unit, Cooling unit, supply unit, thermodynamic equilibrium medium inlet 11 and thermodynamic equilibrium media outlet 22;
The storage element is storage tank 12;
Switch unit includes minimum reflux valve 14, valve I15, valve II17, valve III19, valve IV20 and valve V21;
Heating unit is heater 18;
Cooling unit is cooler 16;
Supply unit is pump group 13;
The tie point I, tie point II, tie point III, tie point IV respectively with the heating power in Temperature-controlled appliance 8 Balance media entrance 11 or thermodynamic equilibrium media outlet 22 are connected;
The thermodynamic equilibrium medium enters storage tank 12, the heating power exported from storage tank 12 from thermodynamic equilibrium medium inlet 11 Balance media improves pressure by pump group 13 and is delivered at minimum reflux valve 14, and then according to main technical module demand volume size It conveys or is returned in storage tank 12 toward downstream;
When the medium temperature in storage tank 12 is lower than set temperature, thermodynamic equilibrium medium is delivered to downstream, passes sequentially through valve Door II17, heater 18 flow through valve III19 and valve V21 after heated device 18 is heated to set temperature, flat by heating power Weighing apparatus media outlet 22 supplies main technical module;
When medium temperature is higher than set temperature in storage tank 12, thermodynamic equilibrium medium is delivered to downstream, passes sequentially through valve I15, cooler 16 flow through valve IV20 and valve V21, are situated between by thermodynamic equilibrium after cooler 16 is cooled to set temperature The 22 main technical module of supply of matter outlet;
After thermodynamic equilibrium medium comes out from main technical module, executes one of following movement: flowing into storage tank 12 and followed Ring is no longer flow into storage tank 12.
When main technical module needs to cool down, Temperature-controlled appliance 8 is required according to intelligence control system, executes following two One of movement provides the medium that continuously reduces of temperature to main technical module:
1. opening one of valve I15, valve II17;
2. opening simultaneously valve I15 and valve II17;
When main technical module needs to heat up and is hot standby, Temperature-controlled appliance 8 is required according to intelligence control system, is executed such as One of lower two movements provide temperature continuously raised medium to main technical module:
1. opening one of valve I15, valve II17;
2. opening simultaneously valve I15 and valve II17.
As shown in figure 3, in another embodiment, Temperature-controlled appliance 8 includes storage element, switch unit, heating list Member, cooling unit, supply unit, thermodynamic equilibrium medium inlet 23 and thermodynamic equilibrium media outlet 42;
The storage element is storage tank 24;
Switch unit includes minimum reflux valve 27, valve I28, valve II30 and valve III41;
Heating unit is heater 25, and cooling unit is cooler 29, supply unit is pump group 26;
Tie point I, tie point II, tie point III, tie point IV and the thermodynamic equilibrium in Temperature-controlled appliance 8 Medium inlet 23 or thermodynamic equilibrium media outlet 42 are connected;
The thermodynamic equilibrium medium enters storage tank 24, the medium exported from storage tank 24 from thermodynamic equilibrium medium inlet 23 It improves pressure by conveying pump group 26 to be delivered at minimum reflux valve 27, and then down according to main technical module demand volume size Trip conveying returns in storage tank 24;
When thermodynamic equilibrium medium temperature in storage tank 24 is lower than set temperature, first adjusts heater 25 in storage tank 24 and set It sets, thermodynamic equilibrium medium is heated to set temperature, thermodynamic equilibrium medium is then delivered to downstream, makes it followed by valve II30 and valve III41 supplies main technical module by thermodynamic equilibrium media outlet 42;
When thermodynamic equilibrium medium temperature is higher than set temperature in storage tank 24, thermodynamic equilibrium medium is delivered to downstream, is led to After crossing valve I28, it is cooled to set temperature through subcooler 29, then flows through valve III41, passes through thermodynamic equilibrium media outlet The 42 main technical modules of supply;
After thermodynamic equilibrium medium comes out from main technical module, executes one of following movement: flowing into storage tank 24 and followed Ring is no longer flow into storage tank 24.
When main technical module needs to cool down, Temperature-controlled appliance 8 is required according to intelligence control system, executes following two One of movement provides the medium that continuously reduces of temperature to main technical module:
1. opening one of valve I28, valve II30;
2. opening simultaneously valve I28 and valve II30;
When main technical module needs to heat up and is hot standby, Temperature-controlled appliance 8 is required according to intelligence control system, is executed such as One of lower two movements provide temperature continuously raised medium to main technical module:
1. opening one of valve I28, valve II30;
2. opening simultaneously valve I28 and valve II30.
The thermodynamic equilibrium medium of different temperatures, pressure and type is selected according to actual needs;
The thermodynamic equilibrium medium is one of oil product, steam;
Pressure gauge is respectively set in the tie point I, tie point II, tie point III, the position tie point IV;
The cooler 16 is one of aerial cooler, water recirculator;The heater 18 is that electricity adds One of hot device, oil heater.
Embodiment 1
A kind of Temperature-controlled appliance of depressurized system, the depressurized system work in high temperature and high pressure condition, can be two Road to seven tunnels include the main process pipelines of reducer unit, this sentences the temperature for illustrating the depressurized system for the main process pipelines of two-way Control device and method.
The main technical module of depressurized system as shown in Figure 1, using the main process pipelines of the two-way comprising reducer unit, the road A and B Road, two-way is identical, it can be achieved that operation, spare all the way or two-way are run simultaneously all the way.
By taking the road A as an example, the main process pipelines in the road A successively include connecting pipe I31, first of upstream stop valve 2, connect Adapter tube road II32, upstream second stop valve 3, connecting pipe III33, pressure reducing valve 4, connecting pipe IV34, downstream second are cut Disconnected valve 5, connecting pipe V35, first of downstream stop valve 6, connecting pipe VI36.
By taking the road B as an example, Machinery Control System 9 respectively with first of the upstream stop valve 2 on the road, upstream second stop valve 3, pressure reducing valve 4, downstream second stop valve 5 and first of downstream stop valve 6 are connected.Machinery Control System 9 provides respectively Torque needed for automatic valve acts, and acted according to intelligence control system instruction, to control each valve switch.
Depressurized system thermodynamic equilibrium system 8 is mentioned according to the instruction of intelligence control system to the main process pipelines of depressurized system For the medium of different temperatures, pressure, type, the temperature control function inside depressurized system is realized;The temperature of the depressurized system Control method is spent, determines function medium injection, drain position and the respective valves action sequence of thermodynamic equilibrium system 8.
The main technical module with four sections on main process pipelines as shown in Figure 1, connect respectively comprising thermodynamic equilibrium system 8 The tie point of pipeline, specially the tie point II82 and connecting tube with the tie point I81 of connecting pipe II and connecting pipe III The tie point III83 of road IV, the tie point IV84 with connecting pipe V, and it is respectively provided with pressure gauge near each tie point, it is each to connect Point can with thermodynamic equilibrium prize block in thermodynamic equilibrium medium inlet 11 or thermodynamic equilibrium media outlet 22 be connected.
As shown in Fig. 2, the Temperature-controlled appliance of the depressurized system, comprising storage element, switch unit, heating unit, Cooling unit, supply unit, thermodynamic equilibrium medium inlet 11 and thermodynamic equilibrium media outlet 22;
The storage element is storage tank 12, switch unit includes minimum reflux valve 14, valve I15, valve II17, valve The valves such as III19, valve IV20 and valve V21, heating unit are heater 18, and cooling unit is cooler 16, supply unit For pump group 13;
Thermodynamic equilibrium in tie point I, tie point II, tie point III or the tie point IV and thermodynamic equilibrium system Medium inlet 11 or thermodynamic equilibrium media outlet 22 are connected;
The medium enters storage tank 12 from thermodynamic equilibrium medium inlet 11, and the medium exported from storage tank 12 passes through pump group 13 raising pressure are delivered at minimum reflux valve 14, and then are conveyed or returned to toward downstream according to main technical module demand volume size In storage tank 12;
When the medium temperature in storage tank 12 is too low, medium is delivered to downstream, passes sequentially through valve II17, heated device 18 After being heated to certain temperature, valve III19 and valve V21 are flowed through, supplies main technique eventually by thermodynamic equilibrium media outlet 22 Module;
When the temperature is excessively high, medium is delivered to downstream to medium in storage tank 12, valve I15, cold through cooler 16 is passed sequentially through But to after certain temperature, valve IV20 and valve V21 is flowed through, supplies main technique mould eventually by thermodynamic equilibrium media outlet 22 Block;
The functional unit realizes corresponding function under the instruction of intelligence control system.The thermodynamic equilibrium medium It is flowed in the main process pipelines of depressurized system, realizes and the temperature such as heated up, keep the temperature, cool down to depressurized system main technical module Control, medium can be oil product or steam.
When main technical module needs to cool down, thermodynamic equilibrium system will be required according to intelligence control system, only open valve I15 or valve II17, or open simultaneously valve I15 and valve II17 provides medium that temperature continuously reduces to main technical module.
When main technical module needs to heat up and is hot standby, thermodynamic equilibrium system will be required according to intelligence control system, only be beaten Valve opening door I15 or valve II17, or open simultaneously valve I15 and valve II17, provide temperature continuously raised medium to main work Skill module.
After thermodynamic equilibrium medium comes out from main technical module, it can choose and recycled in inflow storage tank 12;Also optional It selects and is no longer flow into storage tank 12.
Embodiment 2
A kind of Temperature-controlled appliance of depressurized system, the depressurized system work in high temperature and high pressure condition, can be two Road to seven tunnels include the main process pipelines of reducer unit, this sentences the temperature for illustrating the depressurized system for the main process pipelines of two-way Control device and method.
The main technical module of depressurized system as shown in Figure 1, using the main process pipelines of the two-way comprising reducer unit, the road A and B Road, two-way is identical, it can be achieved that operation, spare all the way or two-way are run simultaneously all the way.
By taking the road A as an example, the main process pipelines in the road A successively include connecting pipe I31, first of upstream stop valve 2, connect Adapter tube road II32, upstream second stop valve 3, connecting pipe III33, pressure reducing valve 4, connecting pipe IV34, downstream second are cut Disconnected valve 5, connecting pipe V35, first of downstream stop valve 6, connecting pipe VI36.
By taking the road B as an example, Machinery Control System 9 respectively with first of the upstream stop valve 2 on the road, upstream second stop valve 3, pressure reducing valve 4, downstream second stop valve 5 and first of downstream stop valve 6 are connected.Machinery Control System 9 provides respectively Torque needed for automatic valve acts, and acted according to intelligence control system instruction, to control each valve switch.
Depressurized system thermodynamic equilibrium system 8 is mentioned according to the instruction of intelligence control system to the main process pipelines of depressurized system For the medium of different temperatures, pressure, type, the temperature control function inside depressurized system is realized;The temperature of the depressurized system Control method is spent, determines function medium injection, drain position and the respective valves action sequence of thermodynamic equilibrium system 8.
The main technical module with four sections on main process pipelines as shown in Figure 1, connect respectively comprising thermodynamic equilibrium system 8 The tie point of pipeline, specially the tie point II82 and connecting tube with the tie point I81 of connecting pipe II and connecting pipe III The tie point III83 of road IV, the tie point IV84 with connecting pipe V, and it is respectively provided with pressure gauge near each tie point, it is each to connect Point can with thermodynamic equilibrium prize block in thermodynamic equilibrium medium inlet 23 or thermodynamic equilibrium media outlet 42 be connected.
The Temperature-controlled appliance of depressurized system as shown in Figure 3 includes storage element, switch unit, heating unit, cooling Unit, supply unit, thermodynamic equilibrium medium inlet 23 and thermodynamic equilibrium media outlet 42;
The storage element is storage tank 24, switch unit includes minimum reflux valve 27, valve I28, valve II30 and valve The valves such as door III41, heating unit are heater 25, and cooling unit is cooler 29, supply unit is pump group 26;
Thermodynamic equilibrium in tie point I, tie point II, tie point III or the tie point IV and thermodynamic equilibrium system Medium inlet 23 or thermodynamic equilibrium media outlet 42 are connected;
The medium enters storage tank 24 from thermodynamic equilibrium medium inlet 23, and the medium exported from storage tank 24 is by conveying Pump group 26 improve pressure be delivered at minimum reflux valve 27, and then according to main technical module demand volume size toward downstream convey or It returns in storage tank 24;
When the medium temperature in storage tank 24 is too low, the setting of heater 25 in storage tank 24 is first adjusted, medium is heated to Then medium is delivered to downstream by certain temperature, make it followed by valve II30 and valve III41 eventually by thermodynamic equilibrium Media outlet 42 supplies main technical module;
When medium when the temperature is excessively high, is delivered to downstream by medium in storage tank 24, after valve I28, through subcooler 29 It is cooled to certain temperature, then flows through valve III41, supplies main technical module eventually by thermodynamic equilibrium media outlet 42;
The functional unit realizes corresponding function under the instruction of intelligence control system.
The thermodynamic equilibrium medium flows in the main process pipelines of depressurized system, realizes to the main technique mould of depressurized system Block such as is heated up, is kept the temperature, being cooled down at the temperature control.Medium can be oil product, steam etc..
When main technical module needs to cool down, thermodynamic equilibrium system will be required according to intelligence control system, only open valve I28 or valve II30, or open simultaneously valve I28 and valve II30 provides medium that temperature continuously reduces to main technical module;
When main technical module needs to heat up and is hot standby, thermodynamic equilibrium system will be required according to intelligence control system, only be beaten Valve opening door I28 or valve II30, or open simultaneously valve I28 and valve II30, provide temperature continuously raised medium to main work Skill module.
After thermodynamic equilibrium medium comes out from main technical module, it can choose and recycled in inflow storage tank 24;Also optional It selects and is no longer flow into storage tank 24.

Claims (10)

1. a kind of Temperature-controlled appliance of depressurized system, the depressurized system is used for high temperature and high pressure condition, including main technique mould Block, Machinery Control System (9), Temperature-controlled appliance (8) and intelligence control system;
Processing medium enters main technical module, under the instruction of intelligence control system, Machinery Control System output torque, and main technique Each valve of module carries out step switch and aperture regulation, to realize the decompression of processing medium, flows out later from depressurized system;
Main process pipelines of the main technical module of the depressurized system using two-way to seven tunnels comprising reducer unit, per work main all the way Pipeline adc is identical, the reducer unit comprising using decompression valve as core, front and back stop valve or switching valve being auxiliary, special Sign is:
In the main technical module of depressurized system per process pipelines main all the way successively include connecting pipe I, first of upstream stop valve, Connecting pipe II, upstream second stop valve, connecting pipe III, pressure reducing valve, connecting pipe IV, downstream second stop valve, connect Adapter tube road V, first of downstream stop valve, connecting pipe VI;
Machinery Control System (9) respectively with per first of the upstream stop valves of process pipelines main all the way, upstream second stop valve, Pressure reducing valve, downstream second stop valve and first of downstream stop valve are connected;
The Temperature-controlled appliance (8) provides different according to the instruction of intelligence control system to the main process pipelines of depressurized system The medium of temperature, pressure, type realizes the functions such as temperature control, pressure control, cleaning, the sealing detection inside depressurized system;
The Temperature-controlled appliance (8) tie point with four sections of connecting pipes on main process pipelines respectively, specially with connection The tie point III's of the tie point II of the tie point I of pipeline II and connecting pipe III and connecting pipe IV and connecting pipe V Tie point IV;
The Temperature-controlled appliance (8) by the tie point I, tie point II, connects according to the instruction of intelligence control system Contact III, tie point IV provide or recycle thermodynamic equilibrium medium to the main technical module of depressurized system;
The thermodynamic equilibrium medium flows in the main process pipelines of depressurized system, realize to the main technical module of depressurized system into Row includes the temperature control such as heating, heat preservation, cooling.
2. a kind of Temperature-controlled appliance of depressurized system as described in claim 1, it is characterised in that: Temperature-controlled appliance (8) Include storage element, switch unit, heating unit, cooling unit, supply unit, thermodynamic equilibrium medium inlet (11) and heating power Balance media exports (22);
The storage element is storage tank (12);
Switch unit include minimum reflux valve (14), valve I (15), valve II (17), valve III (19), valve IV (20) and Valve V (21);
Heating unit is heater (18);
Cooling unit is cooler (16);
Supply unit is pump group (13);
The tie point I, tie point II, tie point III, tie point IV are flat with the heating power in Temperature-controlled appliance (8) respectively It weighs medium inlet (11) or thermodynamic equilibrium media outlet (22) is connected;
The thermodynamic equilibrium medium enters storage tank (12) from thermodynamic equilibrium medium inlet (11), from the heat exported in storage tank (12) Dynamic balance medium improves pressure by pump group (13) and is delivered at minimum reflux valve (14), and then according to the main technical module flow of requirement Amount size is conveyed toward downstream or is returned in storage tank (12);
When the medium temperature in storage tank (12) is lower than set temperature, thermodynamic equilibrium medium is delivered to downstream, passes sequentially through valve II (17), heater (18) flow through valve III (19) and valve V (21) after heated device (18) is heated to set temperature, lead to It crosses thermodynamic equilibrium media outlet (22) and supplies main technical module;
When medium temperature is higher than set temperature in storage tank (12), thermodynamic equilibrium medium is delivered to downstream, passes sequentially through valve I (15), cooler (16) flow through valve IV (20) and valve V (21), pass through heat after cooler (16) is cooled to set temperature Dynamic balance media outlet (22) supplies main technical module;
After thermodynamic equilibrium medium comes out from main technical module, one of following movement is executed: recycled in inflow storage tank (12), It is no longer flow into storage tank (12).
3. a kind of Temperature-controlled appliance of depressurized system as described in claim 1, it is characterised in that: Temperature-controlled appliance (8) Include storage element, switch unit, heating unit, cooling unit, supply unit, thermodynamic equilibrium medium inlet (23) and heating power Balance media exports (42);
The storage element is storage tank (24);
Switch unit includes minimum reflux valve (27), valve I (28), valve II (30) and valve III (41);
Heating unit is heater (25), and cooling unit is cooler (29), supply unit is pump group (26);
Tie point I, tie point II, tie point III, tie point IV and thermodynamic equilibrium Jie in Temperature-controlled appliance (8) Matter entrance (23) or thermodynamic equilibrium media outlet (42) are connected;
The thermodynamic equilibrium medium enters storage tank (24) from thermodynamic equilibrium medium inlet (23), from Jie exported in storage tank (24) Matter improves pressure by conveying pump group (26) and is delivered at minimum reflux valve (27), and then big according to main technical module demand volume It is small to convey or returned in storage tank (24) toward downstream;
When the thermodynamic equilibrium medium temperature in storage tank (24) is lower than set temperature, heater (25) in storage tank (24) is first adjusted Setting, is heated to set temperature for thermodynamic equilibrium medium, thermodynamic equilibrium medium is then delivered to downstream, makes it followed by valve Door II (30) and valve III (41) supplies main technical module by thermodynamic equilibrium media outlet (42);
When thermodynamic equilibrium medium temperature is higher than set temperature in storage tank (24), thermodynamic equilibrium medium is delivered to downstream, is passed through After valve I (28), it is cooled to set temperature through subcooler (29), valve III (41) is then flowed through, passes through thermodynamic equilibrium medium It exports (42) and supplies main technical module;
After thermodynamic equilibrium medium comes out from main technical module, one of following movement is executed: recycled in inflow storage tank (24), It is no longer flow into storage tank (24).
4. a kind of Temperature-controlled appliance of depressurized system as described in claim 2,3, it is characterised in that: select according to actual needs Select the thermodynamic equilibrium medium of different temperatures, pressure and type.
5. a kind of Temperature-controlled appliance of depressurized system as described in claim 2,3, it is characterised in that: the thermodynamic equilibrium Medium is one of oil product, steam.
6. a kind of Temperature-controlled appliance of depressurized system as described in claim 2,3, it is characterised in that: in the tie point I, pressure gauge is respectively set in tie point II, tie point III, the position tie point IV.
7. a kind of Temperature-controlled appliance of depressurized system as described in claim 2,3, it is characterised in that: the cooler It (16) is one of aerial cooler, water recirculator;The heater (18) is electric heater, in oil heater It is a kind of.
8. a kind of Temperature-controlled appliance of depressurized system as described in claim 2,3, it is characterised in that:
The thermodynamic equilibrium medium of different temperatures, pressure and type is selected according to actual needs;
The thermodynamic equilibrium medium is one of oil product, steam;
Pressure gauge is respectively set in the tie point I, tie point II, tie point III, the position tie point IV;
The cooler (16) is one of aerial cooler, water recirculator;The heater (18) is that electricity adds One of hot device, oil heater.
9. a kind of Temperature-controlled appliance of depressurized system as claimed in claim 2, it is characterised in that:
The thermodynamic equilibrium medium of different temperatures, pressure and type is selected according to actual needs;
The thermodynamic equilibrium medium is one of oil product, steam;
Pressure gauge is respectively set in the tie point I, tie point II, tie point III, the position tie point IV;
The cooler (16) is one of aerial cooler, water recirculator;The heater (18) is that electricity adds One of hot device, oil heater;
When main technical module needs to cool down, Temperature-controlled appliance (8) is required according to intelligence control system, is executed following two and is moved One of make to provide the medium that continuously reduces of temperature to main technical module:
1. opening one of valve I (15), valve II (17);
2. opening simultaneously valve I (15) and valve II (17);
When main technical module needs to heat up and is hot standby, Temperature-controlled appliance (8) is required according to intelligence control system, is executed as follows One of two movements provide temperature continuously raised medium to main technical module:
1. opening one of valve I (15), valve II (17);
2. opening simultaneously valve I (15) and valve II (17).
10. a kind of Temperature-controlled appliance of depressurized system as claimed in claim 3, it is characterised in that:
The thermodynamic equilibrium medium of different temperatures, pressure and type is selected according to actual needs;
The thermodynamic equilibrium medium is one of oil product, steam;
Pressure gauge is respectively set in the tie point I, tie point II, tie point III, the position tie point IV;
The cooler (16) is one of aerial cooler, water recirculator;The heater (18) is that electricity adds One of hot device, oil heater;
When main technical module needs to cool down, Temperature-controlled appliance (8) is required according to intelligence control system, is executed following two and is moved One of make to provide the medium that continuously reduces of temperature to main technical module:
1. opening one of valve I (28), valve II (30);
2. opening simultaneously valve I (28) and valve II (30);
When main technical module needs to heat up and is hot standby, Temperature-controlled appliance (8) is required according to intelligence control system, is executed as follows One of two movements provide temperature continuously raised medium to main technical module:
1. opening one of valve I (28), valve II (30);
2. opening simultaneously valve I (28) and valve II (30).
CN201810935200.4A 2018-08-16 2018-08-16 Temperature control equipment of decompression system Active CN108958324B (en)

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