CN112691493A - Novel tail gas recovery device - Google Patents

Novel tail gas recovery device Download PDF

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Publication number
CN112691493A
CN112691493A CN202011496793.2A CN202011496793A CN112691493A CN 112691493 A CN112691493 A CN 112691493A CN 202011496793 A CN202011496793 A CN 202011496793A CN 112691493 A CN112691493 A CN 112691493A
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CN
China
Prior art keywords
pump body
tail gas
recovery device
spiral cooling
gas recovery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011496793.2A
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Chinese (zh)
Inventor
程前
程维俊
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Shanghai Yukang Science Teaching Instr Equipment Co ltd
Original Assignee
Shanghai Yukang Science Teaching Instr Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Yukang Science Teaching Instr Equipment Co ltd filed Critical Shanghai Yukang Science Teaching Instr Equipment Co ltd
Priority to CN202011496793.2A priority Critical patent/CN112691493A/en
Publication of CN112691493A publication Critical patent/CN112691493A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0006—Coils or serpentines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/005—Pulsation and noise damping means with direct action on the fluid flow using absorptive materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The invention provides a novel tail gas recovery device which comprises a vacuum pump, wherein the vacuum pump comprises a discharge end and at least two suction ends, a pipeline of the vacuum pump is connected with a spiral cooling system, the spiral cooling system comprises a spiral cooling pipe, the periphery of the spiral cooling pipe is fixedly connected with an inner pipe wall, the inner pipe wall is fixedly connected with an outer pipe wall, a cooling liquid circulation cavity is formed by the outer pipe wall and the inner pipe wall, and a liquid inlet and a liquid outlet are fixedly arranged in the cooling liquid circulation cavity. The device is provided with a plurality of suction ends, and can simultaneously carry out vacuumized waste gas treatment on a plurality of devices; the inner membrane with the composite PTEE coating is arranged, the noise of the inner membrane can be reduced, and the composite PTEE coating can resist most corrosive gases; the spiral cooling system adopts a spiral pipe to separate tail gas and pure gas; the whole machine has high waste gas treatment efficiency, and is energy-saving and environment-friendly.

Description

Novel tail gas recovery device
Technical Field
The invention relates to the technical field of tail gas recovery devices, in particular to a novel tail gas recovery device.
Background
The gas pump, also called an air compressor, is a main body of a gas source device, is a device for converting mechanical energy of a motor into gas pressure energy, is an air pressure generating device for compressing air, and can pump out gas from a device containing gas.
When corrosive waste gas is treated, a bipolar pump taking gas as a medium is generally used, and generally, one gas pump is only connected with one device, so that the vacuum pumping efficiency is low; in general, corrosive exhaust gas has a high liquefaction point, and is usually passed through a cooling liquid to be liquefied, thereby separating the exhaust gas from a pure gas.
Disclosure of Invention
In view of the problems pointed out in the background art, the invention provides a novel tail gas recovery device.
The technical scheme of the invention is realized as follows:
the utility model provides a novel tail gas recovery device which characterized in that: the vacuum pump comprises a vacuum pump body, the vacuum pump body comprises a discharge end and at least two suction ends, a pipeline of the vacuum pump body is connected with a spiral cooling system, the spiral cooling system comprises a spiral cooling pipe, the periphery of the spiral cooling pipe is fixedly connected with an inner pipe wall, the inner pipe wall is fixedly connected with an outer pipe wall, the outer pipe wall and the inner pipe wall form a cooling liquid circulation cavity, and a liquid inlet and a liquid outlet are fixedly arranged in the cooling liquid circulation cavity.
The invention is further configured to: the spiral cooling pipe is characterized in that an air inlet is formed in the side wall of the bottom of the spiral cooling pipe, an air outlet is formed in the top of the spiral cooling pipe, the air inlet is connected with the discharge end pipeline, a connector is arranged at the bottom end of the spiral cooling pipe, and the connector is sleeved into a matched liquid collecting bottle through a rubber gasket.
The invention is further configured to: the liquid inlet is arranged at the bottom of the cooling liquid circulation cavity, and the liquid outlet is arranged at the top of the cooling liquid circulation cavity.
The invention is further configured to: the spiral cooling pipe is fixedly connected with the inner pipe wall through a plurality of connecting and fixing points.
The invention is further configured to: the vacuum pump comprises a power source main body, wherein a first working pump body and a second working pump body are arranged on the power source main body, the first working pump body is fixedly connected with the second working pump body through a connecting pipeline, the discharge end is fixedly connected with the second working pump body, the first working pump body is provided with a multi-port vacuum valve, and the multi-port vacuum valve comprises at least two suction ends.
The invention is further configured to: the multi-port vacuum valve is provided with a vacuum meter.
The invention is further configured to: the multi-port vacuum valve is provided with an adjusting disc.
The invention is further configured to: each suction end is provided with a switch knob.
The invention is further configured to: and two ends of the connecting pipeline are respectively connected with the first working pump body and the second working pump body through the arranged elbow joints.
The invention is further configured to: the first working pump body and the second working pump body are both provided with gas pipelines, the elbow joints and the connecting pipelines are both provided with inner membranes, and the surfaces of the inner membranes are provided with composite PTEE coatings.
In conclusion, the beneficial effects of the invention are as follows: the novel tail gas recovery device provided by the invention is provided with a plurality of suction ends, and can be used for simultaneously carrying out vacuumized waste gas treatment on a plurality of devices; the inner membrane with the composite PTEE coating is arranged, the noise of the inner membrane can be reduced, and the composite PTEE coating can resist most corrosive gases; the spiral cooling system adopts a spiral pipe to separate tail gas and pure gas; the whole machine has high waste gas treatment efficiency, and is energy-saving and environment-friendly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the spiral cooling system of the present invention;
fig. 3 is a schematic view of the structure of the vacuum pump of the present invention.
Reference numerals: 1. a vacuum pump; 2. a discharge end; 3. a suction end; 4. a spiral cooling tube; 5. an inner pipe wall; 6. an outer tube wall; 7. a coolant circulation chamber; 8. a liquid inlet; 9. a liquid outlet; 10. an air inlet; 11. an air outlet; 12. a connecting port; 13. a rubber gasket; 14. a liquid collecting bottle; 15. connecting a fixed point; 16. a power source main body; 17. a first working pump body; 18. a second working pump body; 19. connecting a pipeline; 20. a multi-port vacuum valve; 21. a vacuum gauge; 22. an adjusting disk; 23. and (6) switching a knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is illustrated below with reference to fig. 1-3:
the utility model provides a novel tail gas recovery device, includes the vacuum pump, and the vacuum pump includes exhaust end and two at least suction ends, and vacuum pump tube coupling spiral cooling system. The vacuum pump can carry out the evacuation processing of a plurality of devices through a plurality of suction ends, tail gas, waste gas in the extraction device, the corrosive waste gas back of taking out in the vacuum pump with the device is sent into spiral cooling system and is cooled off the liquefaction and handle, and the rethread water tank carries out water filtration after, separates out tail gas and pure gas, and pure gas is in the exhaust atmosphere or collect.
As a preferable structure, the spiral cooling system comprises a spiral cooling pipe, the periphery of the spiral cooling pipe is fixedly connected with an inner pipe wall, the inner pipe wall is fixedly connected with an outer pipe wall, the outer pipe wall and the inner pipe wall form a cooling liquid circulation cavity, the cooling liquid circulation cavity is fixedly provided with a liquid inlet and a liquid outlet, the liquid inlet is arranged at the bottom of the cooling liquid circulation cavity, and the liquid outlet is arranged at the top of the cooling liquid circulation cavity to form cooling circulation liquid which circulates from bottom to top.
The side wall of the bottom of the spiral cooling pipe is provided with an air inlet, the air inlet is connected with a discharge end pipeline in the vacuum pump, the top of the spiral cooling pipe is provided with an air outlet, the air outlet is sleeved and matched with the top of the cooling liquid circulation cavity, the bottom of the spiral cooling pipe is provided with a connector, and the connector is sleeved and matched with the liquid collection bottle through a rubber gasket.
Further, the spiral cooling pipe is fixedly connected with the inner pipe wall through a plurality of connecting and fixing points.
As preferred structure, the vacuum pump includes the power supply main part, and the power supply main part adopts motor direct drive formula power transmission, does not have intermediate drive spare, has the overheat protection switch of temperature. The power source main body is provided with a first working pump body and a second working pump body, and the power source main body supplies power to the first working pump body and the second working pump body to enable the first working pump body and the second working pump body to work. The first working pump body and the second working pump body are fixedly connected through a connecting pipeline, and two ends of the connecting pipeline are respectively connected with the first working pump body and the second working pump body through elbow joints.
The second working pump body is provided with a discharge end, the first working pump body is provided with a multi-port vacuum valve, the multi-port vacuum valve comprises at least two suction ends, each suction end is provided with a switch knob, the suction ends are sleeved with matched dust covers, the suction ends are connected with a corrosive gas device, and the discharge ends are connected with a gas treatment device. Furthermore, the multi-port vacuum valve is provided with a vacuum meter, so that the vacuum degree of the multi-port vacuum valve can be monitored in real time; the multi-port vacuum valve is provided with an adjusting disc, the vacuum degree of the multi-port vacuum valve can be adjusted, the vacuum degree is atmospheric pressure-absolute pressure, the absolute pressure is atmospheric pressure + gauge pressure, or the absolute pressure is atmospheric pressure-vacuum degree, and the adjusting disc changes the stress area of gas through screwing in or screwing out, so that the vacuum degree is changed.
The first working pump body and the second working pump body are respectively provided with a gas pipeline, the elbow joint and the connecting pipeline are respectively provided with an inner diaphragm, the inner diaphragms have the characteristics of low stroke and low noise, the purpose of noise reduction is achieved, the surface of each inner diaphragm is provided with a composite PTEE coating, and the composite PTEE coating can resist most corrosive gases.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a novel tail gas recovery device which characterized in that: the vacuum pump comprises a vacuum pump body, the vacuum pump body comprises a discharge end and at least two suction ends, a pipeline of the vacuum pump body is connected with a spiral cooling system, the spiral cooling system comprises a spiral cooling pipe, the periphery of the spiral cooling pipe is fixedly connected with an inner pipe wall, the inner pipe wall is fixedly connected with an outer pipe wall, the outer pipe wall and the inner pipe wall form a cooling liquid circulation cavity, and a liquid inlet and a liquid outlet are fixedly arranged in the cooling liquid circulation cavity.
2. The novel tail gas recovery device according to claim 1, characterized in that: the spiral cooling pipe is characterized in that an air inlet is formed in the side wall of the bottom of the spiral cooling pipe, an air outlet is formed in the top of the spiral cooling pipe, the air inlet is connected with the discharge end pipeline, a connector is arranged at the bottom end of the spiral cooling pipe, and the connector is sleeved into a matched liquid collecting bottle through a rubber gasket.
3. The novel tail gas recovery device according to claim 1, characterized in that: the liquid inlet is arranged at the bottom of the cooling liquid circulation cavity, and the liquid outlet is arranged at the top of the cooling liquid circulation cavity.
4. The novel tail gas recovery device according to claim 1, characterized in that: the spiral cooling pipe is fixedly connected with the inner pipe wall through a plurality of connecting and fixing points.
5. The novel tail gas recovery device according to claim 1, characterized in that: the vacuum pump comprises a power source main body, wherein a first working pump body and a second working pump body are arranged on the power source main body, the first working pump body is fixedly connected with the second working pump body through a connecting pipeline, the discharge end is fixedly connected with the second working pump body, the first working pump body is provided with a multi-port vacuum valve, and the multi-port vacuum valve comprises at least two suction ends.
6. The novel tail gas recovery device according to claim 5, characterized in that: the multi-port vacuum valve is provided with a vacuum meter.
7. The novel tail gas recovery device according to claim 5, characterized in that: the multi-port vacuum valve is provided with an adjusting disc.
8. The novel tail gas recovery device according to claim 5, characterized in that: each suction end is provided with a switch knob.
9. The novel tail gas recovery device according to claim 5, characterized in that: and two ends of the connecting pipeline are respectively connected with the first working pump body and the second working pump body through the arranged elbow joints.
10. The novel tail gas recovery device according to claim 9, characterized in that: the first working pump body and the second working pump body are both provided with gas pipelines, the elbow joints and the connecting pipelines are both provided with inner membranes, and the surfaces of the inner membranes are provided with composite PTEE coatings.
CN202011496793.2A 2020-12-17 2020-12-17 Novel tail gas recovery device Pending CN112691493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011496793.2A CN112691493A (en) 2020-12-17 2020-12-17 Novel tail gas recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011496793.2A CN112691493A (en) 2020-12-17 2020-12-17 Novel tail gas recovery device

Publications (1)

Publication Number Publication Date
CN112691493A true CN112691493A (en) 2021-04-23

Family

ID=75508834

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011496793.2A Pending CN112691493A (en) 2020-12-17 2020-12-17 Novel tail gas recovery device

Country Status (1)

Country Link
CN (1) CN112691493A (en)

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