CN213171474U - Middle pressure-equalizing gas flow divider of nitrogen making machine - Google Patents

Middle pressure-equalizing gas flow divider of nitrogen making machine Download PDF

Info

Publication number
CN213171474U
CN213171474U CN202022107103.1U CN202022107103U CN213171474U CN 213171474 U CN213171474 U CN 213171474U CN 202022107103 U CN202022107103 U CN 202022107103U CN 213171474 U CN213171474 U CN 213171474U
Authority
CN
China
Prior art keywords
pipe
tube
horizontal
plate
vertical
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.)
Active
Application number
CN202022107103.1U
Other languages
Chinese (zh)
Inventor
罗剑峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hang Zhou Juke Air Separator Installation Manufacture Co ltd
Original Assignee
Hang Zhou Juke Air Separator Installation Manufacture 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 Hang Zhou Juke Air Separator Installation Manufacture Co ltd filed Critical Hang Zhou Juke Air Separator Installation Manufacture Co ltd
Priority to CN202022107103.1U priority Critical patent/CN213171474U/en
Application granted granted Critical
Publication of CN213171474U publication Critical patent/CN213171474U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to the technical field of nitrogen making machine equipment, and aims to provide a middle pressure-equalizing gas flow divider of a nitrogen making machine, which comprises an inner pipe and an outer pipe, wherein the inner pipe is partially positioned in the outer pipe; the inner pipe is provided with a horizontal inner air inlet and a vertical inner air outlet, and the outer pipe is provided with a horizontal outer air inlet and a vertical outer air outlet; the inner tube is characterized in that a sealed short end plate is arranged at the top end inside the inner tube, a tube pass is formed inside the inner tube, sealed long end plates are arranged at two ends inside the outer tube, and a shell pass is formed inside the outer tube. The utility model has the characteristics of simple structure, voltage-sharing are efficient, with low costs, can extensively be applicable to the middle voltage-sharing technical field of nitrogen generator.

Description

Middle pressure-equalizing gas flow divider of nitrogen making machine
Technical Field
The utility model belongs to the technical field of nitrogen generator equipment, specifically speaking is a middle voltage-sharing gas shunt of nitrogen generator.
Background
The nitrogen making machine is equipment which takes air as a raw material and obtains nitrogen by separating oxygen and nitrogen in the air by a physical method; according to different classification methods, nitrogen making machines can be classified into a cryogenic air separation method, a molecular sieve air separation method (PSA), a membrane air separation method and the like. The PSA nitrogen making machine has the characteristics of simple process flow, high automation degree, high gas production speed (15-30 minutes), low energy consumption, high product purity and the like, and is widely applied to the large and medium-sized industrial nitrogen making field.
At present, most of the existing nitrogen making machines adopt a pressure equalizing mode to realize the purpose of continuously providing a clean air source. The pressure equalization can be generally divided into upper pressure equalization, middle pressure equalization and lower pressure equalization. The middle pressure equalizing pipe in existence often links together with the air inlet pipeline to need set up total pneumatic valve and branch pneumatic valve that admits air on the pipeline, accomplish smoothly in order to guarantee the pressure equalizing process, like this with greatly increased cost, the pipeline also can become more complicated simultaneously, influences the work efficiency of middle pressure equalizing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a pressure-equalizing gas shunt in the middle of nitrogen generator, have simple structure, voltage-equalizing efficient, characteristics such as with low costs, can extensively be applicable to the middle pressure-equalizing technical field of nitrogen generator.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an intermediate pressure equalizing gas splitter of a nitrogen making machine comprises an inner pipe and an outer pipe, wherein the inner pipe is partially positioned in the outer pipe; the inner pipe is provided with a horizontal inner air inlet and a vertical inner air outlet, and the outer pipe is provided with a horizontal outer air inlet and a vertical outer air outlet; the inner tube is characterized in that a sealed short end plate is arranged at the top end inside the inner tube, a tube pass is formed inside the inner tube, sealed long end plates are arranged at two ends inside the outer tube, and a shell pass is formed inside the outer tube.
As an improvement, the inner hole diameter of the inner pipe is 1/2-3/4 of the inner hole diameter of the outer pipe.
As an improvement, the horizontal inner air inlet and the horizontal outer air inlet are positioned on the same horizontal plane, and the diameters of the air inlets are the same; the end surfaces of the vertical inner air outlet and the vertical outer air outlet are equal in height, and the diameters of the air outlets are the same.
As an improvement, the short sealing end plate and the long sealing end plate are made of high-strength steel plates and are sealed at the top end of the inner pipe or the outer pipe through welding.
As an improvement, the thickness of the short end plate and the long end plate is 10-14 mm.
As an improvement, the inner tube and the outer tube are made of seamless steel tubes, and the thickness of each steel tube is 4-8 mm.
The utility model discloses the beneficial effect who gains does: the middle pressure-equalizing gas flow divider of the nitrogen making machine has the characteristics of simple structure, high pressure-equalizing efficiency, low cost and the like, and can reduce the pneumatic valve of total air inlet, improve the pressure-equalizing efficiency and save the production cost by separating the middle pressure-equalizing pipe from the air inlet pipeline without a common pipeline; by utilizing the principle of the heat exchanger, a fluid enters from a horizontal inner air inlet of an inner pipe, flows in the pipe and flows out from a vertical inner air outlet at the other end of the inner pipe, which is called a pipe pass; the other fluid enters from a horizontal inner air inlet of the outer pipe and flows out from another vertical outer air outlet on the outer pipe, which is called as a shell pass, so that the two fluids exchange heat fully, the heat efficiency utilization rate is improved, and the energy consumption is saved.
Drawings
Fig. 1 is a schematic structural view of the middle pressure-equalizing gas splitter of the nitrogen making machine of the present invention.
In the figure: 1. an inner tube; 2. an outer tube; 3. a horizontal inner air inlet; 4. a vertical inner air outlet; 5. a horizontal outer air inlet; 6. a vertical outer air outlet; 7. sealing the short end plate; 8. a tube pass; 9. sealing the long end plate; 10. shell side.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and embodiments: as shown in fig. 1, the intermediate pressure-equalizing gas splitter of the nitrogen generator of the present invention comprises an inner tube 1 and an outer tube 2, wherein the inner tube 1 is partially located inside the outer tube 2; the inner pipe 1 is provided with a horizontal inner air inlet 3 and a vertical inner air outlet 4, and the outer pipe 2 is provided with a horizontal outer air inlet 5 and a vertical outer air outlet 6; the top end of the inner part of the inner pipe 1 is provided with a sealed short end plate 7, a pipe pass 8 is formed in the inner part of the inner pipe 1, two ends of the inner part of the outer pipe 2 are provided with sealed long end plates 9, and a shell pass 10 is formed in the outer pipe 2; during operation, one fluid flows in the tube pass 8 and flows out of the vertical inner air outlet 4, the other fluid flows in the shell pass 10 and flows out of the vertical outer air outlet 6, heat exchange is realized, heat utilization efficiency is improved, and meanwhile, a total air inlet pneumatic valve in a pipeline is saved.
Further, the inner hole diameter of the inner pipe 1 is 1/2-3/4, preferably 1/2, of the inner hole diameter of the outer pipe 2, so that the inner pipe 1 and the outer pipe 2 can be conveniently installed and connected.
Further, the horizontal inner air inlet 3 and the horizontal outer air inlet 5 are positioned on the same horizontal plane, and the diameters of the air inlets are the same; the end surfaces of the vertical inner air outlet 4 and the vertical outer air outlet 6 are equal in height, the diameters of the air outlets are the same, the flow velocity of fluid is close, and heat exchange is more sufficient.
Further, sealed short end plate 7 and sealed long end plate 9 are the high strength steel sheet material, through welded seal in the top of inner tube 1 or outer tube 2, specifically, the thickness of sealed short end plate 7 and sealed long end plate 7 is 10~14mm, preferred 12mm to guarantee to have good leakproofness in the pipe.
Further, inner tube 1 and outer tube 2 adopt seamless steel pipe material, and steel pipe thickness is 4~8mm, and preferred 6mm guarantees that inner tube and outward appearance have better use intensity and atmospheric pressure resistance ability, can not leak gas in the use.
Finally, it should be noted that the above-mentioned embodiments illustrate only specific embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims (6)

1. An intermediate pressure equalizing gas splitter of a nitrogen making machine comprises an inner pipe (1) and an outer pipe (2), and is characterized in that the inner pipe (1) is partially positioned in the outer pipe (2); the inner pipe (1) is provided with a horizontal inner air inlet (3) and a vertical inner air outlet (4), and the outer pipe (2) is provided with a horizontal outer air inlet (5) and a vertical outer air outlet (6); the inner tube (1) is provided with a sealed short end plate (7) at the top end inside, a tube side (8) is formed inside the inner tube (1), sealed long end plates (9) are arranged at two ends inside the outer tube (2), and a shell side (10) is formed inside the outer tube (2).
2. The intermediate pressure equalizing gas splitter of nitrogen generator according to claim 1, wherein the inner bore diameter of the inner tube (1) is 1/2-3/4 of the inner bore diameter of the outer tube (2).
3. Intermediate pressure equalizing gas splitter according to claim 1, characterized in that said horizontal inner inlet (3) and horizontal outer inlet (5) are located on the same horizontal plane and have the same diameter; the end surfaces of the vertical inner air outlet (4) and the vertical outer air outlet (6) are equal in height, and the diameters of the air outlets are the same.
4. The intermediate pressure equalizing gas splitter of the nitrogen generator according to claim 1, wherein the short sealing end plate (7) and the long sealing end plate (9) are made of high-strength steel plate and are sealed at the top end of the inner pipe or the outer pipe by welding.
5. The intermediate pressure equalizing gas splitter of the nitrogen generator according to claim 4, wherein the thickness of the short sealing end plate (7) and the long sealing end plate (9) is 10-14 mm.
6. The intermediate pressure equalizing gas flow divider of the nitrogen generator according to claim 1, wherein the inner tube (1) and the outer tube (2) are made of seamless steel tubes, and the thickness of the steel tubes is 4-8 mm.
CN202022107103.1U 2020-09-23 2020-09-23 Middle pressure-equalizing gas flow divider of nitrogen making machine Active CN213171474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022107103.1U CN213171474U (en) 2020-09-23 2020-09-23 Middle pressure-equalizing gas flow divider of nitrogen making machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022107103.1U CN213171474U (en) 2020-09-23 2020-09-23 Middle pressure-equalizing gas flow divider of nitrogen making machine

Publications (1)

Publication Number Publication Date
CN213171474U true CN213171474U (en) 2021-05-11

Family

ID=75776068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022107103.1U Active CN213171474U (en) 2020-09-23 2020-09-23 Middle pressure-equalizing gas flow divider of nitrogen making machine

Country Status (1)

Country Link
CN (1) CN213171474U (en)

Similar Documents

Publication Publication Date Title
CN103486880A (en) Header thermal fluid flow passage tube cavity water-storage and pressure-bearing heat exchanger and manufacture process thereof
CN213171474U (en) Middle pressure-equalizing gas flow divider of nitrogen making machine
CN100467931C (en) Method for making arrangement type rustless steel water separator
CN106865499A (en) A kind of purifier
CN201529477U (en) Variable-frequency and variable-voltage absorbed gas separating device
CN104827654B (en) Welding machine of toothpaste tuber
CN206018959U (en) A kind of multisection type deafener
CN201404801Y (en) PVC polymerization reactor equipped with reactor top condenser
CN210424466U (en) High-pressure explosion-proof nitrogen making machine
CN204345875U (en) A kind of cartridge type efficient air distributor
CN211120808U (en) High-efficient pressure device for heat exchanger
CN207183304U (en) A kind of solar panels process turning device
CN202648896U (en) Two-position five-way pneumatic valve checking platform
CN202735035U (en) Metal compound blank quick leakage test device
CN206037811U (en) Anti -water hammer type steam coil pipe
CN212292785U (en) Automatic exhaust device for hydrochloric acid loading
CN213957099U (en) PSA oxygen generation molecular sieve capability test device
CN214147434U (en) Liquid supply type gas compression equipment
CN202700612U (en) Thermosetting powder coating production device
CN210313534U (en) Oxygen making equipment with improved VPSA (vacuum pressure equalization) control process
CN204345876U (en) A kind of cube efficient air distributor
CN203500736U (en) Gas-cooker pipe connecting structure
CN202609934U (en) Oxygen preparation equipment with device where oxygen is evenly pressed from top of one tower to bottom of the other tower
CN203034112U (en) Reaction acceleration device for aluminum electrolysis flue gas purification pipeline
CN211114175U (en) Vacuum sealing machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant