CN116591972B - Two-stage centrifugal compressor for tail gas treatment - Google Patents

Two-stage centrifugal compressor for tail gas treatment Download PDF

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Publication number
CN116591972B
CN116591972B CN202310879888.XA CN202310879888A CN116591972B CN 116591972 B CN116591972 B CN 116591972B CN 202310879888 A CN202310879888 A CN 202310879888A CN 116591972 B CN116591972 B CN 116591972B
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China
Prior art keywords
air
tail gas
pipe head
gas
ring
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CN202310879888.XA
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CN116591972A (en
Inventor
方祥军
韩鹰
陶智鹏
王斌
杨周锦玮
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Jiangsu Zhangguli Power Technology Co ltd
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Jiangsu Zhangguli Power Technology Co ltd
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Priority to CN202310879888.XA priority Critical patent/CN116591972B/en
Publication of CN116591972A publication Critical patent/CN116591972A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • F04D17/12Multi-stage pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/083Sealings especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/22Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/223Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for pipe joints or seals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/40Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

The application provides a two-stage centrifugal compressor for tail gas treatment, which is applied to the field of compressors, and effectively ensures that the flow change of tail gas of a lithium iron phosphate project after one-stage compression is matched with the two-stage compression, so that the influence on a two-stage fan assembly is not easy to occur, the pressure of the tail gas can be greatly improved, the tail gas treatment efficiency is higher, meanwhile, the arrangement of a pipe connector is matched, when tail gas leaks at a pipeline joint, the air flow sprayed outwards can be generated at a leakage point, the air flow continuously twists along with the air, obvious dynamic change is visually generated, the effect of reminding the leakage of staff is achieved, the influence of the leaked tail gas on the health of the staff and the surrounding environment is effectively reduced, meanwhile, in the twisting process along with the air flow, the LED lamp belt is conducted to emit light, the light along with the twisting phenomenon appears in a flickering state, and the reminding effect is more obvious.

Description

Two-stage centrifugal compressor for tail gas treatment
Technical Field
The application relates to the field of compressors, in particular to a two-stage centrifugal compressor for tail gas treatment.
Background
The centrifugal compressor belongs to a centrifugal compressor (namely a turbine compressor), and has the characteristics of large treatment gas quantity, simple and compact structure, small volume, stable operation, reliable operation, convenient maintenance, no pollution to gas and the like. At present, centrifugal compressors produced at home and abroad are more and more in variety, are more and more widely applied, and are developed to high pressure and large flow. In recent years, new energy industries rapidly develop, wherein the four main sub-fields of the new energy industries are respectively photovoltaic, lithium battery, wind energy and energy storage. The lithium battery industry is now already quite considerable in scale.
The equipment is used for a tail gas recovery section of a lithium iron phosphate project and provides power for tail gas treatment. The medium that its carried is including steam, nitrogen oxide, dilute nitric acid steam, air etc. is the mixed gas that has corrosivity, carries out recovery processing in to tail gas, involves the seal between a plurality of equipment and the pipeline, under great gas pressure, there is the risk that tail gas leaked in interface department, though there is comparatively obvious sound when tail gas leaks, but because the compressor can produce certain noise equally when the during operation, is difficult to in time detect when leading to the tail gas to leak, and the tail gas leaks and all has certain potential safety hazard to air and surrounding staff.
Disclosure of Invention
The application aims to increase the tail gas recovery performance, reduce the tail gas leakage, increase the tail gas pressure, increase the tail gas absorption efficiency, reduce the influence of the tail gas leakage on the human health and the surrounding environment, compared with the prior art, the application provides a double-stage centrifugal compressor for tail gas treatment, which comprises a high-voltage variable frequency motor arranged on a bottom plate and an oil station for providing lubricating oil for a speed-increasing gear box, wherein a primary fan and a secondary fan are respectively arranged at two ends of the speed-increasing gear box, an intercooler base is connected in parallel with the outer end of the bottom plate, an intercooler is arranged on the intercooler base, a gas-water separator is also arranged on the intercooler base, the gas-water separator is positioned under the intercooler, the inlet of the primary fan and the outlet of the secondary fan are fixedly connected with reducer pipes, bellows are connected at the mouths of the reducer pipes, the outlet of the primary fan, the inlet of the intercooler, the outlet of the gas-water separator, the inlet of the gas-water separator and the inlet of the secondary fan are sequentially communicated, and gas transfer pipelines are respectively connected with the primary fan, the intercooler and the secondary fan through pipe connectors.
Through the two-stage compression mode, be equivalent to disposing two fans of establishing ties, effectively guarantee the flow change and the two-stage compression matching of lithium iron phosphate project's tail gas after the one-stage compression, be difficult for causing the influence to the two-stage fan assembly, and through the two-stage compression, can improve the pressure of tail gas by a wide margin, make the efficiency of tail gas treatment higher, the setting of cooperation pipe connector, when pipeline interface department takes place the tail gas and leaks, leakage point department can produce the air current of outside spraying, make this department follow the pneumatic beam and twist constantly along with the gas, obvious dynamic change is produced in the vision, reach the effect of leaking the warning to the staff, effectively reduce the influence of the tail gas that leaks to the healthy and surrounding environment of staff, simultaneously, can make the LED lamp area by switch on and give out light along with its twist in the pneumatic beam twist, the luminous phenomenon presents the scintillation state, make the warning effect more obvious.
Further, the pipe connector comprises a fixed pipe head fixedly connected with the air inlet or the air outlet opening and a movable pipe head fixedly connected with the air transfer pipeline, the fixed pipe head and the movable pipe head are fixedly connected through a plurality of bolts, a sealing groove is cut on the outward end face of the movable pipe head, a sealing ring is placed in the sealing groove, the end part of the fixed pipe head is mutually matched with the sealing groove, the fixed pipe head is mutually abutted with the sealing ring, the sealing between the fixed pipe head and the movable pipe head is effectively ensured, and when the air transfer pipeline is connected between the adjacent air outlet and the air inlet, the fixed pipe head and the movable pipe head are relatively sealed, and the stable compression acceleration of tail gas is effectively ensured.
Further, the end face that decides the tube head and be close to the movable tube head is excavated and is had the interior ring groove that moves, decides the tube head outer end and is equipped with the gas leakage early warning ring, and the outside that moves back ring groove and gas leakage early warning ring all are located a plurality of bolts, and the ring is used for holding the gas verification ring in the interior, effectively guarantees that the setting of gas verification ring is difficult for forming the abutment between the end face that decides tube head and movable tube head are close to each other, effectively avoids producing the influence to the leakproofness between the two.
Further, the gas leakage early warning ring comprises a transparent wind shield connected with the outer end of the fixed tube head in a clamping mode and a gas checking ring adhered to the inner withdrawal ring groove, the gas checking ring comprises a plurality of follow-up pneumatic beams and a plurality of connecting arc rods which are fixedly connected between two adjacent follow-up pneumatic beams respectively, and the connecting arc rods enable the plurality of follow-up pneumatic beams to be connected into a whole, so that the integral installation difficulty is effectively reduced.
Further, the follow-up pneumatic beam comprises a fixed rod and a plurality of follow-up pneumatic strips fixedly connected to one end of the fixed rod far away from the fixed pipe head, the follow-up pneumatic strips are wrapped with sheet films, the stress area of the follow-up pneumatic strips can be effectively increased, when tail gas leakage occurs, the follow-up pneumatic strips are easier to twist, the twisting amplitude is easier to perceive than that of the line body, the reminding effect is better, the plurality of follow-up pneumatic strips all extend into the transparent wind shield, the follow-up pneumatic strips are of flexible structures, the end parts of the follow-up pneumatic strips are wrapped with iron sheets, the end parts have certain gravity, under normal conditions, the end parts can fall freely, and meanwhile, under the protection of the cover of the transparent wind shield, the end parts are not easy to be influenced by external wind power, and further the indication of the twisting to tail gas leakage is more accurate.
Further, when the gas transfer pipeline is assembled, a magnetic ring is stuck on the outer surface of the transparent windshield, the outer end of the gas checking ring is completely embedded into the transparent windshield, the end part of the gas-following strip is adsorbed on the inner wall of the transparent windshield corresponding to the magnetic ring by magnetic force, the transparent windshield is clamped outside the fixed pipe head, finally the magnetic ring is torn off, the gas-following strip is scattered in the transparent windshield freely, and then the fixed pipe head and the movable pipe head are fastened and fixed through bolts.
Through sticking the magnetic ring, the patch layers at the ends of a plurality of air-following strips can be effectively adsorbed, the ends of the air-following strips are enabled to move towards the transparent windshield in a gathering way parallel to the pipeline and far away from the inner wall of the pipeline, and the patch layers can be stably restrained, so that the difficulty of embedding the air-following strips into the transparent windshield is reduced during installation, and the installation efficiency is improved.
Optionally, the outer end of the transparent windshield is fixedly connected with an LED lamp strip in a revolving state, the left and right inner walls of the transparent windshield are respectively provided with conductive sheets electrically connected with the LED lamp, the two conductive sheets are electrically connected, a micro battery is integrated in the fixed rod, two follow-up strips are arranged and are respectively connected with the positive electrode and the negative electrode of the micro battery, one follow-up strip is fixedly conducted with the conductive sheets, the other follow-up strip is enabled to be conducted and emit light when being contacted with the conductive sheets under the blowing of leaked tail gas, and the follow-up strip is enabled to be in unstable contact with the conductive sheets due to the shaking condition when being subjected to blowing force, so that the LED lamp strip is enabled to be in a flashing state of continuous lighting-extinguishing-lighting, and the reminding effect for workers is better.
Furthermore, the sheet-shaped film is arranged outside the air-following variable strip which is not connected with the conducting strip, the sheet-shaped film is made of insulating materials, and the air-following variable strip which is directly conducted with the conducting strip is not provided with the sheet-shaped film, so that shielding of the other air-following variable strip can be reduced, the other air-following variable strip can be fully blown by tail gas, the end part of the air-following variable strip, which is far away from the fixed rod, extends to the outer part of the sheet-shaped film to be smaller than half of the width of the sheet-shaped film, the protruding parts of the air-following variable strip are relatively fewer, and a plurality of air-following variable strips are not easy to accidentally contact with each other.
Compared with the prior art, the application has the advantages that:
through the two-stage compression mode, effectively guarantee the flow change and the two-stage compression matching of lithium iron phosphate project's tail gas after passing through the one-stage compression, be difficult for causing the influence to the two-stage fan assembly, and through the two-stage compression, can improve the pressure of tail gas by a wide margin, make the efficiency of tail gas treatment higher, cooperate the setting of pipe connector simultaneously, when pipeline interface department takes place the tail gas and leaks, leakage point department can produce the air current of outwards spraying, make this place follow-up pneumatic beam follow-up gas constantly twist, visually produce obvious dynamic variation, reach the effect of leaking the warning to the staff, effectively reduce the influence of the tail gas of leaking to the healthy and surrounding environment of staff, simultaneously, can make the LED lamp area switch on and give out light along with its twist, luminous phenomenon presents the scintillation state, make the warning effect more obvious.
Drawings
FIG. 1 is a left side perspective view of the present application;
FIG. 2 is a front perspective view of the present application;
FIG. 3 is a right side perspective view of the present application;
FIG. 4 is a front view of the present application;
FIG. 5 is a cross-sectional view of a pipe connector of the present application;
FIG. 6 is a schematic diagram of FIG. 5A;
FIG. 7 is a schematic view of the two components of the pipe connector of the present application when not connected;
FIG. 8 is a partial cross-sectional view of a windshield of the present application;
FIG. 9 is a side view of the leak early warning ring of the present application;
FIG. 10 is a front view of the gas-variation strip of the present application
FIG. 11 is a schematic illustration of the variation of the present application with pneumatic beams;
fig. 12 is a partial sectional view of a transparent windshield in embodiment 2 of the present application.
The reference numerals in the figures illustrate:
the device comprises an oil station 1, a primary fan 3, a speed increasing gearbox 4, a secondary fan 5, a high-voltage variable frequency motor 6, an intercooler 7, a gas-water separator 8, an intercooler base 10, a reducer 11, a corrugated pipe 12 and a magnetic ring 13;
the device comprises a fixed tube head 21, a movable tube head 22, a 23 inner backing ring groove, a 24 sealing groove, a 25 sealing ring, a 9 air leakage early warning ring, a 91 transparent windshield, a 921 fixed rod, a 922 variable-length strip along with air, a 93 connecting arc rod, a 94 LED lamp strip and a 95 conducting sheet.
Detailed Description
The embodiments of the present application will be described in detail and fully with reference to the accompanying drawings, and it is intended that all other embodiments of the application, which are apparent to one skilled in the art without the inventive faculty, are included in the scope of the present application.
Example 1:
the application provides a two-stage centrifugal compressor for tail gas treatment, referring to fig. 1-3, solid arrows in the drawings indicate the flowing direction of cooling water on an intercooler 7, the two-stage centrifugal compressor comprises a high-voltage variable frequency motor 6 arranged on a bottom plate and an oil station 1 for providing lubricating oil for a speed-increasing gearbox 4, a primary fan 3 and a secondary fan 5 are respectively arranged at two ends of the speed-increasing gearbox 4, an intercooler base 10 is connected in parallel with the outer end of the bottom plate, the intercooler base 10 is provided with the intercooler 7, the intercooler base 10 is also provided with a gas-water separator 8, and the gas-water separator 8 is positioned right below the intercooler 7.
Referring to fig. 4-5, dashed arrows in the drawing indicate the moving direction of the tail gas, the air inlet of the primary fan 3 and the air outlet of the secondary fan 5 are fixedly connected with reducing pipes 11, the mouth of each reducing pipe 11 is connected with a corrugated pipe 12, the air outlet of the primary fan 3, the air inlet of the intercooler 7, the air outlet of the intercooler 7, the air inlet of the gas-water separator 8, the air outlet of the gas-water separator 8 and the air inlet of the secondary fan 5 are sequentially communicated, and gas transfer pipelines are respectively arranged between adjacent air outlets and air inlets on different components and are respectively connected with the primary fan 3, the intercooler 7, the gas-water separator 8 and the secondary fan 5 through pipe connectors.
Referring to fig. 5 and 7, a shows a bolt, the pipe connector includes a fixed pipe head 21 fixedly connected with an air inlet or an air outlet, and a pipe head 22 fixedly connected with a gas transfer pipe, the fixed pipe head 21 and the pipe head 22 are fixedly connected through a plurality of bolts, an inner ring-withdrawing groove 23 is cut on the end surface of the fixed pipe head 21 close to the movable pipe head 22, an air leakage early warning ring 9 is arranged at the outer end of the fixed pipe head 21, the inner ring-withdrawing groove 23 and the air leakage early warning ring 9 are both positioned at the outer sides of the plurality of bolts, the inner ring-withdrawing groove 23 is used for accommodating an air checking ring, the arrangement of the air checking ring is not easy to form a block between the end surfaces of the fixed pipe head 21 and the pipe head 22 close to each other, and the influence on the tightness between the fixed pipe head 21 and the pipe head 22 is effectively avoided.
The seal groove 24 has been excavated to the terminal surface that moves tube head 22 outwards, has placed sealing washer 25 in the seal groove 24, decides tube head 21 tip and the mutual matching of seal groove 24, and decides tube head 21 and the mutual conflict of sealing washer 25, effectively guarantees to decide the seal between tube head 21 and the tube head 22, when making gas transfer pipeline connect between adjacent gas vent and air inlet, the stable compression of effectively guaranteeing tail gas is accelerated.
Referring to fig. 8-9, the air leakage early warning ring 9 includes a transparent wind shield 91 clamped with the outer end of the fixed tube head 21 and an air checking ring adhered on the inner ring retracting groove 23, the air checking ring includes a plurality of air following bundles and a plurality of connecting arc rods 93 fixedly connected between two adjacent air following bundles respectively, and the connecting arc rods 93 connect the plurality of air following bundles into a whole, thereby effectively reducing the overall installation difficulty.
The following pneumatic beam comprises a fixed rod 921 and a plurality of following pneumatic strips 922 fixedly connected to one end of the fixed rod 921 far away from the fixed tube head 21, as shown in fig. 10, a sheet-shaped film is wrapped outside the following pneumatic strips 922, the stress area of the following pneumatic strips 922 can be effectively increased, when tail gas leakage occurs, the following pneumatic strips are easier to twist, the twisting amplitude is easier to perceive compared with the following pneumatic strips 922 of a wire body, the reminding effect is better, the plurality of following pneumatic strips 922 all extend into the transparent wind shield 91, the following pneumatic strips 922 are of flexible structures, the end parts of the following pneumatic strips 922 are wrapped with iron sheets, the end parts have certain gravity, under normal conditions, the following pneumatic strips can freely drop, and meanwhile under the protection of the shielding of the transparent wind shield 91, the following pneumatic strips are not easy to be influenced by external wind force, and the indication of the twisting of the tail gas leakage is more accurate.
When the gas transfer pipeline is assembled, firstly, the magnetic ring 13 is stuck on the outer surface of the transparent windshield 91, then the outer end of the gas checking ring is completely embedded into the transparent windshield 91, as shown in fig. 11, the end part of the gas following strip 922 is magnetically adsorbed on the inner wall of the transparent windshield 91 corresponding to the magnetic ring 13, then the transparent windshield 91 is clamped outside the fixed pipe head 21, finally, the magnetic ring 13 is torn off, the gas following strip 922 is freely scattered in the transparent windshield 91, then the fixed pipe head 21 and the pipe head 22 are fastened and fixed through bolts, and the adhesive layers at the end parts of the gas following strips 922 can be effectively adsorbed by sticking the magnetic ring 13, so that the end parts of the gas following strips 922 are parallel to the pipeline towards the transparent windshield 91 and are far away from the inner wall of the pipeline, and can be stably restrained, the difficulty of embedding the gas following strips 922 into the transparent windshield 91 is reduced, and the installation efficiency is improved.
Through two independent fans, the flow change of the tail gas of lithium iron phosphate project after effectively guaranteeing to pass through the one-level compression matches with the second grade compression, be difficult for causing the influence to the second grade fan 5 subassembly, and through the two-level compression, can improve the pressure of tail gas by a wide margin, make the efficiency of tail gas treatment higher, cooperate the setting of pipe connection ware simultaneously, when pipeline interface department takes place the tail gas and leaks, leakage point department can produce the air current of outside spraying, make this department follow-up pneumatic bundle and twist constantly along with the gas, obvious dynamic change is produced in the vision, reach the effect of leaking the warning to the staff, effectively reduce the influence of the tail gas of leaking to the healthy and surrounding environment of staff.
Example 2:
the present embodiment is based on embodiment 1 by adding the following:
referring to fig. 12, the outer end of the transparent windshield 91 is fixedly connected with an LED lamp strip 94 that is in a rotary shape, the left and right inner walls of the transparent windshield 91 are respectively provided with conductive sheets 95 that are electrically connected with the LED lamp strip 94, and the two conductive sheets 95 are electrically connected, a micro battery is integrated in the fixed rod 921, two follow-up strips 922 are provided, and the two follow-up strips 922 are respectively connected with the positive and negative poles of the micro battery, one follow-up strip 922 is fixedly conducted with the conductive sheets 95, so that when the other follow-up strip 922 is contacted with the conductive sheets 95 under the blowing of leaked tail gas, the LED lamp strip 94 is conducted and emits light, and the follow-up strip 922 is not contacted with the conductive sheets 95 stably due to the shaking condition when the follow-up strip 922 is subjected to the blowing force, so that the LED lamp strip 94 is in a continuously on-off-on flashing state, and the reminding effect to the staff is better.
In addition, unlike embodiment 1, only the air-following strip 922 which is not connected with the conductive sheet 95 is provided with the sheet-like thin film, and the sheet-like thin film is made of an insulating material, and the air-following strip 922 which is directly connected with the conductive sheet 95 is not provided with the sheet-like thin film, so that shielding of another air-following strip 922 can be reduced, the other air-following strip 922 can be fully blown by tail gas, the end part of the air-following strip 922 away from the fixed rod 921 extends to the outer part of the sheet-like thin film to be less than half of the width of the sheet-like thin film, the protruding parts of the air-following strip 922 are relatively less, and the air-following strips 922 are not easy to accidentally contact with each other.
The foregoing is merely illustrative of the best modes of carrying out the application in connection with the actual requirements, and the scope of the application is not limited thereto.

Claims (4)

1. The utility model provides a doublestage centrifugal compressor for tail gas treatment, includes high-pressure inverter motor (6) and oil station (1) that provides lubricating oil for step-up gearbox (4) of installing on the bottom plate, a serial communication port, one-level fan (3) and two-stage fan (5) are installed respectively at the both ends of step-up gearbox (4), bottom plate outer end parallel connection has intercooler base (10), install intercooler (7) on intercooler base (10), still install gas-water separator (8) on intercooler base (10), gas-water separator (8) are located intercooler (7) directly under, the air inlet of one-level fan (3) and the air outlet of two-stage fan (5) all fixedly connected with reducer pipe (11), reducer pipe (11) oral area is connected with bellows (12), the air outlet of one-level fan (3), intercooler (7) air inlet, the air outlet of intercooler (7), the air inlet of gas-water separator (8), air outlet of gas-water separator (8), two-stage fan (5) are located intercooler (7) in proper order, and the air inlet and are equipped with between the air inlet and the equal pipeline of air inlet and the equal air inlet of two-stage fan (5), and the air inlet is connected with the equal pipe (3 respectively The gas-water separator (8) is connected with the secondary fan (5);
the pipe connector comprises a fixed pipe head (21) fixedly connected with the opening part of the air inlet or the air outlet and a pipe head (22) fixedly connected with the air transfer pipeline, the fixed pipe head (21) and the pipe head (22) are fixedly connected through a plurality of bolts, a sealing groove (24) is cut on the outward end face of the pipe head (22), a sealing ring (25) is placed in the sealing groove (24), the end part of the fixed pipe head (21) is matched with the sealing groove (24), and the fixed pipe head (21) is mutually abutted against the sealing ring (25);
the fixed pipe head (21) is provided with an inner withdrawal ring groove (23) near the end face of the movable pipe head (22), the outer end of the fixed pipe head (21) is provided with an air leakage early warning ring (9), the inner withdrawal ring groove (23) and the air leakage early warning ring (9) are both positioned at the outer sides of a plurality of bolts, the air leakage early warning ring (9) comprises a transparent windshield (91) clamped with the outer end of the fixed pipe head (21) and an air checking ring adhered to the inner withdrawal ring groove (23), and the air checking ring comprises a plurality of follow-up pneumatic beams and a plurality of connecting beam arc rods (93) which are respectively and fixedly connected between two adjacent follow-up pneumatic beams;
the air-following beam comprises a fixed rod (921) and a plurality of air-following strips (922) fixedly connected to one end, far away from the fixed tube head (21), of the fixed rod (921), sheet films are wrapped outside the air-following strips (922), the air-following strips (922) extend into the transparent windshield (91), the air-following strips (922) are of flexible structures, and iron sheet layers are wrapped at the ends of the air-following strips (922);
when the gas transfer pipeline is assembled, firstly, a magnetic ring (13) is stuck on the outer surface of the transparent windshield (91), then the outer end of the gas checking ring is completely embedded into the transparent windshield (91), the end part of the gas following strip (922) is adsorbed on the inner wall of the transparent windshield (91) corresponding to the magnetic ring (13) by magnetic force, then the transparent windshield (91) is clamped outside the fixed pipe head (21), finally, the magnetic ring (13) is torn off, the gas following strip (922) is scattered in the transparent windshield (91) freely, and then the fixed pipe head (21) and the pipe head (22) are fastened and fixed through bolts.
2. The two-stage centrifugal compressor for tail gas treatment according to claim 1, wherein the outer end of the transparent windshield (91) is fixedly connected with an LED lamp strip (94) in a rotary shape, and conductive sheets (95) electrically connected with the LED lamp strip (94) are respectively arranged on the left and right inner walls of the transparent windshield (91).
3. The two-stage centrifugal compressor for tail gas treatment according to claim 2, wherein the fixed rod (921) is internally integrated with a micro battery, two air-following variable strips (922) are arranged, the two air-following variable strips (922) are respectively connected with the anode and the cathode of the micro battery, and one air-following variable strip (922) is fixedly conducted with the conducting plate (95).
4. A twin-stage centrifugal compressor for exhaust gas treatment according to claim 3, wherein a sheet-like film is arranged outside the air-following strip (922) which is not fixedly connected with the conductive sheet (95), and the sheet-like film is made of an insulating material, and the end of the air-following strip (922) far from the fixed rod (921) extends to the outer part of the sheet-like film less than half the width of the sheet-like film.
CN202310879888.XA 2023-07-18 2023-07-18 Two-stage centrifugal compressor for tail gas treatment Active CN116591972B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310879888.XA CN116591972B (en) 2023-07-18 2023-07-18 Two-stage centrifugal compressor for tail gas treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310879888.XA CN116591972B (en) 2023-07-18 2023-07-18 Two-stage centrifugal compressor for tail gas treatment

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CN115411318A (en) * 2022-09-01 2022-11-29 蜂巢蔚领动力科技(江苏)有限公司 System for improving recovery efficiency of fuel cell system and control method thereof
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CN218408929U (en) * 2022-07-12 2023-01-31 江苏智海新材料研发有限公司 Non-metal high-pressure hydrogen delivery pipeline
CN218546057U (en) * 2022-09-19 2023-02-28 王云华 Petroleum pipeline is with preventing leaking detection device
CN116067171A (en) * 2023-02-01 2023-05-05 安徽碳华新材料科技有限公司 High-conductivity film horizontal graphitizing equipment

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DE2239314A1 (en) * 1972-08-10 1974-02-21 Hartmut Soehle SAFETY FLANGE
CN205908465U (en) * 2016-07-06 2017-01-25 宁波欣达螺杆压缩机有限公司 Air compressor machine with comdenstion water is collected and discharging equipment
CN207112074U (en) * 2017-07-27 2018-03-16 天津贝尔自动化仪表技术股份公司 Valve gas leakage monitoring device and valve
CN109387335A (en) * 2018-11-30 2019-02-26 铜陵康达铝合金制品有限责任公司 A kind of three-way valve body convenient for detecting air-tightness
CN211450375U (en) * 2020-01-07 2020-09-08 杨明越 Natural gas line connects department leak detection device
CN216950909U (en) * 2021-12-16 2022-07-12 浙江宸轩透平机制造有限公司 Chloromethane and chloroethylene high-speed centrifugal turbine compressor
CN216743290U (en) * 2021-12-29 2022-06-14 浙江大地检测科技股份有限公司 VOCs pollutant monitoring devices
CN218408929U (en) * 2022-07-12 2023-01-31 江苏智海新材料研发有限公司 Non-metal high-pressure hydrogen delivery pipeline
CN218208299U (en) * 2022-08-26 2023-01-03 红云红河烟草(集团)有限责任公司 Humidifying pipeline of vacuum damping machine
CN115411318A (en) * 2022-09-01 2022-11-29 蜂巢蔚领动力科技(江苏)有限公司 System for improving recovery efficiency of fuel cell system and control method thereof
CN218546057U (en) * 2022-09-19 2023-02-28 王云华 Petroleum pipeline is with preventing leaking detection device
CN116067171A (en) * 2023-02-01 2023-05-05 安徽碳华新材料科技有限公司 High-conductivity film horizontal graphitizing equipment

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