CN204299810U - Liquid booster pump injection system - Google Patents

Liquid booster pump injection system Download PDF

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Publication number
CN204299810U
CN204299810U CN201420697978.3U CN201420697978U CN204299810U CN 204299810 U CN204299810 U CN 204299810U CN 201420697978 U CN201420697978 U CN 201420697978U CN 204299810 U CN204299810 U CN 204299810U
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liquid
pressure
turbine
pump
injection system
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林辉
姜广申
吴真林
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Jereh Oil and Gas Engineering Corp
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Jereh Oil and Gas Engineering Corp
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Abstract

This application provides a kind of liquid booster pump injection system, comprise: liquid charging stock storage tank, note pump and the first high-pressure bottle, described note pump is connected with the first high-pressure bottle with liquid charging stock storage tank, for being delivered in the first high-pressure bottle by the fluid pressurization in liquid charging stock storage tank; For saving the second high-pressure bottle of highly pressurised liquid; The turbine be connected with described second high-pressure bottle, described turbine is connected with note pump by shaft coupling, flows through the highly pressurised liquid of described turbine for driving note pump; The low pressure vessel be connected with described turbine, for saving the post-decompression low pressure liquid of described highly pressurised liquid.Highly pressurised liquid flows out from the second high-pressure bottle, through turbine and to turbine acting, make its pressure reduce to the pressure of technological requirement; The running of note pump is driven to turbine work, the liquid in raw material storage tank is inhaled in the note pump of running, boosts and carry.The application reclaims the energy of decompression process, and utilizes these energy drives to note pump, can ensure different process requirement, improve capacity usage ratio.

Description

Liquid booster pump injection system
Technical field
The application belongs to fluid pressurization technical field, is specifically related to a kind of liquid booster pump injection system.
Background technology
In the production technology of oil and natural gas industry, usually relate to process high-pressure fluid being decompressed to the low-pressure fluid meeting technological requirement, this decompression process is normally direct realizes its technological requirement by decompressor; Also be like this in refinery and chemical engineering industry field.
But prior art does not make full use of the power surplus produced in this process, causes energy dissipation.
Utility model content
In view of this, the application provides a kind of liquid booster pump injection system, and the liquid booster pump injection system that the application provides, based on the recycling of depressurization energy, can improve capacity usage ratio, to reach the object of energy-saving and emission-reduction.
The application provides a kind of liquid booster pump injection system, comprising:
Liquid charging stock storage tank, note pump and the first high-pressure bottle, described note pump is connected with the first high-pressure bottle with described liquid charging stock storage tank, for being delivered in the first high-pressure bottle by the fluid pressurization in described liquid charging stock storage tank;
Second high-pressure bottle, for saving highly pressurised liquid;
The turbine be connected with described second high-pressure bottle, described turbine is connected with described note pump by shaft coupling, flows through the highly pressurised liquid of described turbine for driving described note pump;
The low pressure vessel be connected with described turbine, for saving the post-decompression low pressure liquid of described highly pressurised liquid.
Preferably, described shaft coupling is accompanied with speed detector.
Preferably, described note pump comprises centrifugal pump, reciprocating pump or screw pump.
Preferably, the porch of described note pump is provided with control valve.
Preferably, described note delivery side of pump place is provided with the first pressure detector.
Preferably, the front and back of described turbine are provided with the bypass of band pressure-reducing valve.
Preferably, the porch of described turbine is provided with control valve.
Preferably, the exit of described turbine is provided with the second pressure detector.
Preferably, also comprise Programmable Logic Controller, for according to pressure feedback signal adjust flux;
The input of described Programmable Logic Controller is connected with the second pressure detector with the first pressure detector, and the output of described Programmable Logic Controller is connected with the first high-pressure bottle by magnetic valve.
Compared with prior art, the liquid booster pump injection system that the application provides comprises: the boosting part that liquid charging stock storage tank, note pump and the first high-pressure bottle are formed, and the decompression part that second high-pressure bottle, turbine and low pressure vessel are formed, described turbine is connected with described note pump by shaft coupling; Flow through the highly pressurised liquid of described turbine for driving described note pump, the low pressure liquid obtained that reduces pressure enters described low pressure vessel; Described note pump is connected with the first high-pressure bottle with described liquid charging stock storage tank, for being delivered in the first high-pressure bottle by the fluid pressurization in described liquid charging stock storage tank.Described in the application during system works, highly pressurised liquid flows out from the second high-pressure bottle, and through turbine and to turbine acting, the pressure its pressure being reduced to meet technological requirement and become low pressure liquid, enters low pressure vessel; Meanwhile, turbine work is driven by the shaft coupling be connected with turbine and notes pump and operate, the liquid in liquid charging stock storage tank is inhaled in the note pump of running, boosts to the pressure met certain requirements, and be delivered to the first high-pressure bottle.The energy of decompression process of system recoveries described in the application, and make full use of these energy drives note pump, can ensure the requirement of different process, improve capacity usage ratio, decrease environmental pollution, achieve energy-saving and emission-reduction, also reduce financial cost simultaneously, be with a wide range of applications.In addition, described in the application, system has easy operation control, the large and security high of flexibility.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only the embodiment of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the liquid booster pump injection system that Fig. 1 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
This application provides a kind of liquid booster pump injection system, comprising:
Liquid charging stock storage tank, note pump and the first high-pressure bottle, described note pump is connected with the first high-pressure bottle with described liquid charging stock storage tank, for being delivered in the first high-pressure bottle by the fluid pressurization in described liquid charging stock storage tank;
Second high-pressure bottle, for saving highly pressurised liquid;
The turbine be connected with described second high-pressure bottle, described turbine is connected with described note pump by shaft coupling, flows through the highly pressurised liquid of described turbine for driving described note pump;
The low pressure vessel be connected with described turbine, for saving the post-decompression low pressure liquid of described highly pressurised liquid.
The infusion system that the application provides is based on the recycling of depressurization energy, can be drive the mechanical energy noted pump and rotate by the Conversion of Energy discharged in the decompression process of the industrial circles such as oil, natural gas purification and liquefaction, general chemical, refinery, boosting conveying is carried out to liquid, thus raising capacity usage ratio, to reach the object of energy-saving and emission-reduction.
See the structural representation of the liquid booster pump injection system that Fig. 1, Fig. 1 provide for the embodiment of the present application.In Fig. 1,1 is the second high-pressure bottle, and 2 is control valve, 3 is turbine, and 4 is pressure-reducing valve, and 5 is PLC device, 6 is the second pressure detector, and 7 is low pressure vessel, and 8 is liquid charging stock storage tank, 9 is control valve, and 10 is note pump, and 11 is the first pressure detector, 12 is the first high-pressure bottle, 13 is shaft coupling, and 14 is speed probe, and 15 is magnetic valve.
The liquid booster pump injection system that the application provides comprises the second high-pressure bottle 1, for saving highly pressurised liquid.The application is not particularly limited the appearance pressure energy power of described second high-pressure bottle, capacity, material and shape etc., adopts the conventional container of this area savings highly pressurised liquid.The highly pressurised liquid of the application to described second high-pressure bottle savings is not particularly limited, and is the liquid of the needs decompression that the fields such as oil, gas industry and chemical industry are commonly used.
Described fluid pressurization system comprises turbine 3, and it is connected with the second high-pressure bottle 1; Highly pressurised liquid flows out from the second high-pressure bottle 1, flows through turbine 3, and to its acting, described highly pressurised liquid is reduced pressure and becomes the low pressure liquid meeting technological requirement.Turbine is the device power conversion be accumulated with in fluid media (medium) being become mechanical power, and also known as turbine, the application does not have special restriction to the type of described turbine, size and material etc.
In this application, the porch of described turbine is preferably provided with control valve 2, the convenient outflow controlling highly pressurised liquid.As preferably, the front and back of described turbine are provided with the bypass of band pressure-reducing valve 4, are beneficial to the pressure of regulates liquid, to meet technological requirement.The exit of described turbine is preferably provided with the second pressure detector 6, can detect the pressure of the liquid flowing through turbine.The application is not particularly limited described control valve and pressure-reducing valve, adopts the respective valves that this area is conventional; Described second pressure detector is pressure-detecting device well known to those skilled in the art.
The liquid booster pump injection system that the application provides comprises low pressure vessel 7, for saving the post-decompression low pressure liquid of described highly pressurised liquid.The application is not particularly limited the appearance pressure energy power of described low pressure vessel, capacity, material and shape etc., adopts the conventional container of this area savings low pressure liquid.
Described liquid booster pump injection system comprises liquid charging stock storage tank 8, for saving liquid charging stock.The application is not particularly limited the appearance pressure energy power of described liquid charging stock storage tank, capacity, material and shape etc., adopts the conventional container of this area savings liquid charging stock.The application is not particularly limited the liquid that described liquid charging stock storage tank is saved, and is the liquid needing supercharging that the fields such as oil, gas industry and chemical industry are commonly used.
Described liquid booster pump injection system comprises note pump 10, and it is connected with liquid charging stock storage tank 8, and is connected with turbine 3 by shaft coupling 13.Described highly pressurised liquid to be driven by the shaft coupling 13 be connected with turbine 3 turbine 3 work and notes pump 10 and operate, and the liquid in liquid charging stock storage tank 8 is inhaled in the note pump of running, boosts to and meet certain requirements, and carry.
In this application, described note pump is conveying liquid, makes the device of fluid pressurization.The application is not particularly limited described note pump, adopts the pump that this area is conventional, preferably includes centrifugal pump, reciprocating pump or screw pump.As preferably, the porch of described note pump is provided with control valve 9, the convenient suction regulating raw material liq.Described note delivery side of pump place is preferably provided with the first pressure detector 11, can detect the pressure of the liquid after supercharging.The application is not particularly limited described control valve, adopts the respective valves that this area is conventional; Described first pressure detector is pressure-detecting device well known to those skilled in the art.
Turbine 3, by shaft coupling 13, connects with note pump 10 by the application.Described shaft coupling is used to two axles connected in different institutions to be made it jointly to rotate with the machine assembly of transmitting torque, and the application is not particularly limited it.As preferably, described shaft coupling is accompanied with speed detector.In an embodiment of the application, shaft coupling 13 is provided with speed probe 14.
The liquid booster pump injection system that the application provides comprises the first high-pressure bottle 12, for saving the liquid after supercharging.The application is not particularly limited the appearance pressure energy power of described first high-pressure bottle, capacity, material and shape etc., adopts the conventional container of this area savings highly pressurised liquid.
As preferably, described in the application, infusion system also comprises Programmable Logic Controller, PLC device 5 as shown in Figure 1; The input of described Programmable Logic Controller is connected with the second pressure detector 6 with the first pressure detector 11, and the output of described Programmable Logic Controller is connected with the first high-pressure bottle 12 by magnetic valve 15.The application regulates related operating variable by PLC control system, with satisfied different duty requirements.In the embodiment of the present application, PLC device 5 according to the feedback signal adjusting control valve 2 of the first pressure detector 11 and the second pressure detector 6, can regulate the flow of highly pressurised liquid, to meet operating mode needs.Such as, when technique has specified pressure demand to the low pressure liquid that turbine 3 exports, the pressure signal that PLC device 5 can be fed back according to the first pressure detector 11 and the second pressure detector 6, is regulated the flow of low pressure liquid, realizes the authorized pressure requirement of low pressure liquid by magnetic valve 15.Further, described Programmable Logic Controller can switch control object back and forth according to different operating mode, with satisfied decompression part and boosting needs partly.
During the work of liquid booster pump injection system that the application provides, highly pressurised liquid flows out from the second high-pressure bottle 1, and through turbine 3 and to turbine acting, the pressure its pressure being reduced to meet technological requirement and become low pressure liquid, enters low pressure vessel 7; Meanwhile, turbine 3 work is driven by the shaft coupling 13 be connected with turbine 3 and notes pump 10 and operate, the liquid in liquid charging stock storage tank 8 is inhaled in the note pump 10 of running, boosts to the pressure met certain requirements, and be delivered to the first high-pressure bottle 12.The application is not particularly limited the pressure limit of highly pressurised liquid, low pressure liquid and range of flow, can require according to different process and determine.
In sum, the liquid booster pump injection system that the application provides comprises: the boosting part that liquid charging stock storage tank, note pump and the first high-pressure bottle are formed, and the decompression part that second high-pressure bottle, turbine and low pressure vessel are formed, described turbine is connected with described note pump by shaft coupling; Flow through the highly pressurised liquid of described turbine for driving described note pump, the low pressure liquid obtained that reduces pressure enters described low pressure vessel; Described note pump is connected with the first high-pressure bottle with described liquid charging stock storage tank, for being delivered in the first high-pressure bottle by the fluid pressurization in described liquid charging stock storage tank.The energy of decompression process of system recoveries described in the application, and make full use of these energy drives note pump, the requirement of different process in the chemical engineering industry fields such as oil, natural gas purification and liquefaction can be ensured, improve capacity usage ratio, decrease environmental pollution, achieve energy-saving and emission-reduction, also reduce financial cost simultaneously, add the economic benefit of enterprise, be with a wide range of applications.
In addition, described in the application, liquid booster pump injection system has easy operation control, the large and security high of flexibility.
In order to further illustrate the application, below in conjunction with embodiment, a kind of liquid booster pump injection system that the application provides is described particularly, but they can not be interpreted as the restriction to the application's protection domain.
Embodiment 1
The infusion system shown in Fig. 1 of employing carries out supercharging to liquid, detailed process is: the highly pressurised liquid that mass flow is 12850kg/h, pressure is 5.5MPa flows out from the second high-pressure bottle 1, do work to turbine 3 through turbine 3, its decompression enters low pressure vessel 7 for the low pressure liquid that the pressure meeting technological requirement is 0.4MPa; Turbine 3 work is driven by the shaft coupling 13 connected with it and notes pump 10 and operate, the pressure in liquid charging stock storage tank 8 is made to be that the liquid of 0.125MPa is inhaled in note pump 10, boost to the 5.5MPa meeting technological requirement, the pressure signal that PLC device 5 is fed back according to the first pressure detector 11 and the second pressure detector 6, the flow of low pressure liquid is regulated by control valve 15, realize the requirement that low pressure liquid boosts to 5.5MPa, and be delivered to the first high-pressure bottle 12.
The embodiment of the present application consumed energy 3.03kW, and saves 12.5% completely compared with extra energy.
Embodiment 2
The infusion system shown in Fig. 1 of employing carries out supercharging to liquid, detailed process is: the highly pressurised liquid that mass flow is 12850kg/h, pressure is 11MPa flows out from the second high-pressure bottle 1, do work to turbine 3 through turbine 3, its decompression enters low pressure vessel 7 for the low pressure liquid that the pressure meeting technological requirement is 0.4MPa; Turbine 3 work is driven by the shaft coupling 13 connected with it and notes pump 10 and operate, the liquid being 0.125MPa with the mass flow such as high-pressure fluid, pressure in liquid charging stock storage tank 8 is inhaled into be noted in pump 10, boost to the 5.5MPa meeting technological requirement, the pressure signal that PLC device 5 is fed back according to the first pressure detector 11 and the second pressure detector 6, the flow of low pressure liquid is regulated by control valve 15, realize the requirement that low pressure liquid boosts to 5.5MPa, and be delivered to the first high-pressure bottle 12.
The embodiment of the present application consumed energy 5.91kW, and saves 24.4% completely compared with extra energy.
As seen from the above embodiment, the liquid booster pump injection system that the application provides has recycled the energy of highly pressurised liquid decompression, note pump is driven to carry out pressure-increasing unit to liquid, the requirement of different process can be ensured, reach the object of energy-saving and emission-reduction, financial cost is lower, and Business Economic Benefit is higher, and application prospect is extensive.

Claims (9)

1. a liquid booster pump injection system, comprising:
Liquid charging stock storage tank, note pump and the first high-pressure bottle, described note pump is connected with the first high-pressure bottle with described liquid charging stock storage tank, for being delivered in the first high-pressure bottle by the fluid pressurization in described liquid charging stock storage tank;
Second high-pressure bottle, for saving highly pressurised liquid;
The turbine be connected with described second high-pressure bottle, described turbine is connected with described note pump by shaft coupling, flows through the highly pressurised liquid of described turbine for driving described note pump;
The low pressure vessel be connected with described turbine, for saving the post-decompression low pressure liquid of described highly pressurised liquid.
2. liquid booster pump injection system according to claim 1, is characterized in that, described shaft coupling is accompanied with speed detector.
3. liquid booster pump injection system according to claim 1, its special increasing is, described note pump comprises centrifugal pump, reciprocating pump or screw pump.
4. liquid booster pump injection system according to claim 1, is characterized in that, the porch of described note pump is provided with control valve.
5. liquid booster pump injection system according to claim 4, is characterized in that, described note delivery side of pump place is provided with the first pressure detector.
6. liquid booster pump injection system according to claim 1, is characterized in that, the front and back of described turbine are provided with the bypass of band pressure-reducing valve.
7. liquid booster pump injection system according to claim 6, is characterized in that, the porch of described turbine is provided with control valve.
8. liquid booster pump injection system according to claim 7, is characterized in that, the exit of described turbine is provided with the second pressure detector.
9. the liquid booster pump injection system according to any one of claim 1 to 8, is characterized in that, also comprise Programmable Logic Controller, according to pressure feedback signal adjust flux; The input of described Programmable Logic Controller is connected with the second pressure detector with the first pressure detector, and the output of described Programmable Logic Controller is connected with the first high-pressure bottle by magnetic valve.
CN201420697978.3U 2014-11-19 2014-11-19 Liquid booster pump injection system Active CN204299810U (en)

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