CN213132562U

CN213132562U - Air purification economizer system among empty device

Info

Publication number: CN213132562U
Application number: CN202021686706.5U
Authority: CN
Inventors: 李冠雄
Original assignee: Henan Del Liquid Air Technology Co ltd
Current assignee: Kaifeng Dear Air Separation Industrial Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-07
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses an air purification economizer system in air separation plant, comprising a base plate, purification structure and air feed structure, bottom plate upper surface rear side is equipped with the backup pad, the leading flank four corners symmetry of backup pad is equipped with solid fixed ring, the inside solid fixed ring that corresponds from top to bottom in the left and right sides all is equipped with purification bucket, the upper surface front side of bottom plate is equipped with the U-shaped frame, the upper surface of U-shaped frame is equipped with the molecular sieve clarifier, the upper surface front side of bottom plate is equipped with the air pump, the air inlet of air pump leading flank is equipped with the intake pipe, the outlet duct that air pump upper surface air outlet department set up runs through the U-shaped frame and communicates with the air inlet of molecular sieve clarifier bottom surface, the air outlet department of molecular sieve; this air purification economizer system among the empty device can guarantee that heat exchange process efficient goes on to promote the efficiency of purification work, can also make two purification buckets carry out empty purification work of dividing simultaneously, carry out the purpose that raises the efficiency and reach the energy-conservation.

Description

Air purification economizer system among empty device

Technical Field

The utility model relates to an air separation technical field specifically is an air purification economizer system among air separation device.

Background

An air separation plant is a set of industrial equipment for separating component gases in air to produce oxygen and nitrogen, and in brief, the air separation plant refers to a separation plant for separating various air components in a chemical plant, specifically, separating gases such as nitrogen, oxygen and argon and other gases from air, and the specific flow is as follows: compressed air from an air compressor is subjected to molecular sieve to remove impurities such as moisture, carbon dioxide, hydrocarbons and the like, one part of the air is directly sent to an upper tower of a rectifying tower, the other part of the air enters an expander to be subjected to expansion refrigeration and then is sent to a lower tower, ascending steam and falling liquid are subjected to heat exchange in the rectifying tower, nitrogen with high purity can be obtained at the top of the upper tower, oxygen with high purity can be obtained at the bottom of the upper tower, and an air purification energy-saving system in the existing air separation device is high in energy consumption and low in air separation purification efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an air purification economizer system among the empty device, can guarantee that the heat exchange process efficient goes on to promote the efficiency of purification work, can also make two purification buckets carry out empty purification work of dividing simultaneously, carry the purpose that raises the efficiency and reach energy-conservation, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air purification energy-saving system in an air separation device comprises a bottom plate, a purification structure and an air supply structure, wherein a supporting plate is arranged on the rear side of the upper surface of the bottom plate, fixing rings are symmetrically arranged at four corners of the front side surface of the supporting plate, purification barrels are arranged inside the fixing rings which vertically correspond to the left side and the right side, a U-shaped frame is arranged on the front side of the upper surface of the bottom plate, a molecular sieve purifier is arranged on the upper surface of the U-shaped frame, an air pump is arranged on the front side of the upper surface of the bottom plate, an air inlet pipe is arranged at the air inlet of the front side surface of the air pump, an air outlet pipe arranged at the air outlet of the upper surface of the air pump penetrates through the U-shaped frame and is communicated with the air inlet of the bottom surface of the molecular sieve purifier, an air outlet pipe is arranged at the air outlet of the upper surface of the molecular sieve purifier, the purification, wherein still include control switch group, control switch group sets up in the upper surface right front end of bottom plate, and external power source is connected to control switch group's input electricity, and the output of control switch group is connected to the input electricity of air pump, can guarantee that the heat exchange process efficient goes on to promote the efficiency of purification work, can also make two purification buckets carry out the purification work of dividing to divide simultaneously, promote the purpose that raises the efficiency and reach the energy-conservation.

Further, purification structure includes go-between, gas pocket, water storage bucket, overflow pipe, suspension groove and overflow hole, the go-between sets up in the inside upper end of purification bucket that corresponds, and the impartial angle of upper surface edge of go-between is equipped with the gas pocket, and the inner arc wall of go-between all is equipped with the water storage bucket, and the middle part opening part of water storage bucket all is equipped with the overflow pipe, and the extrados bottom of overflow pipe all is equipped with evenly distributed's apopore, the equal fixedly connected with suspension groove in bottom of overflow pipe, and the impartial angle in extrados upper end of suspension groove is equipped with the overflow hole, can guarantee that the heat exchange process efficient goes on to promote.

Further, purification structure still includes leak protection ring, supporting shoe and toper platform, the leak protection ring sets up in the inside bottom surface center department of purification bucket that corresponds, and the equal angle of the upper surface of leak protection ring is equipped with the supporting shoe, and the upper end of supporting shoe all with the bottom surface fixed connection of toper platform, can prevent that liquid air from spilling.

Further, the structure of supplying air includes the pillar, place the board, expander and three-way pipe, the pillar symmetry sets up in the upper surface middle part of bottom plate, the upper end of pillar all with the bottom surface fixed connection who places the board, the upper surface of placing the board is equipped with the expander, the gas outlet of side passes through the pipeline intercommunication with the outer cambered surface lower extreme air inlet of purification bucket that corresponds respectively about the expander, the air inlet department of expander upper surface is equipped with the three-way pipe, the downside body of three-way pipe and the outlet duct intercommunication of molecular sieve clarifier upper surface, the gas outlet of side communicates with the outer cambered surface upper end air inlet of purification bucket that corresponds respectively about the three-way pipe, the output of input electricity connection control switch group of expander, can send into two purification buckets with the nitrogen oxygen mist respectively in, make it carry out the air separation purification work simultaneously, the air separation purification efficiency is improved.

Further, the upper surface gas outlet department of purification bucket all is equipped with the nitrogen gas outlet duct, and the bottom surface gas outlet department of purification bucket all is equipped with the oxygen outlet duct, and the oxygen outlet duct communicates with leak protection ring, and the inside of nitrogen gas outlet duct and oxygen outlet duct all is established ties there is the pipe valve, and the upper surface bilateral symmetry of bottom plate is equipped with the stiffening rib, and the upper end of stiffening rib and the solid fixed ring lateral surface fixed connection who corresponds can further strengthen the supporting role to the purification bucket.

Compared with the prior art, the beneficial effects of the utility model are that: this air purification economizer system among air separation system has following benefit:

1. through the regulation and control of control switch group, the air pump operation sends into in the molecular sieve clarifier with outside air conditioning, and when the air was through the molecular sieve bed, hydrocarbons such as moisture, CO, acetylene were adsorbed, and remaining mixed gas of nitrogen and oxygen is carried to the tee bend intraductally, and partly mixed gas of nitrogen and oxygen is directly sent into the upper portion of purification bucket, and another part mixed gas of nitrogen and oxygen is sent to the expander expansion refrigeration back and then is sent into the lower part of purification bucket, realizes preliminary purification for the process of follow-up thorough purification operation.

2. When gas below the purification barrel passes through the air hole from bottom to top, the gas contacts with the gas above the purification barrel, the heat exchange process is carried out efficiently, low-boiling-point components are evaporated gradually, high-boiling-point components are liquefied gradually and then enter the suspension tank along with the water storage hopper and the overflow pipe to further exchange heat with the rising gas at the bottom of the purification barrel, the oxygen content in the liquefied air is increased, pure nitrogen with low boiling point is obtained at the top of the purification barrel finally, oxygen-enriched liquid air with high boiling point is obtained in the purification barrel, the leakage-proof ring can prevent the liquid air from leaking, the complete separation of oxygen and nitrogen is realized, air purification operation is further carried out, the work burden of personnel is relieved, the purification efficiency of the two structures is high, the heat exchange.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner cross-section structure of the present invention;

fig. 3 is the schematic view of the in-plane cross-section structure of the present invention.

In the figure: the device comprises a base plate 1, a support plate 2, a fixing ring 3, a purification barrel 4, a purification structure 5, a connecting ring 51, air holes 52, a water storage hopper 53, an overflow pipe 54, a suspension groove 55, an overflow hole 56, a leakproof ring 57, a support block 58, a conical table 59, a U-shaped frame 6, an air pump 7, a molecular sieve purifier 8, an air feeding structure 9, a support 91, a placing plate 92, an expander 93, a tee pipe 94, a control switch group 10, a nitrogen gas outlet pipe 11, an oxygen gas outlet pipe 12 and reinforcing ribs 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an air purification energy-saving system in an air separation device comprises a bottom plate 1, a purification structure 5 and an air supply structure 9, wherein a supporting plate 2 is arranged on the rear side of the upper surface of the bottom plate 1, fixing rings 3 are symmetrically arranged at four corners of the front side surface of the supporting plate 2, purification barrels 4 are arranged inside the fixing rings 3 which are vertically corresponding to the left side and the right side, a U-shaped frame 6 is arranged on the front side of the upper surface of the bottom plate 1, a molecular sieve purifier 8 is arranged on the upper surface of the U-shaped frame 6, an air pump 7 is arranged on the front side of the upper surface of the bottom plate 1, an air inlet pipe is arranged at an air inlet on the front side surface of the air pump 7, an air outlet pipe arranged at an air outlet on the upper surface of the air pump 7 penetrates through the U-shaped frame 6 and is communicated with an air inlet on the bottom surface of the molecular sieve purifier 8, an air outlet pipe is arranged at, moisture, CO2, hydrocarbons such as acetylene are adsorbed, residual nitrogen-oxygen mixed gas is conveyed into a three-way pipe 94, the purification structure 5 is arranged inside a purification barrel 4, the purification structure 5 comprises a connecting ring 51, air holes 52, water storage hoppers 53, overflow pipes 54, suspension grooves 55 and overflow holes 56, the connecting ring 51 is arranged at the upper end inside the corresponding purification barrel 4, the air holes 52 are arranged at equal angles at the edge of the upper surface of the connecting ring 51, the water storage hoppers 53 are arranged on the inner arc walls of the connecting ring 51, the overflow pipes 54 are arranged at the middle openings of the water storage hoppers 53, water outlet holes are uniformly distributed at the bottom ends of the outer arc surfaces of the overflow pipes 54, the suspension grooves 55 are fixedly connected at the bottom ends of the overflow pipes 54, the overflow holes 56 are arranged at equal angles at the upper ends of the outer arc surfaces of the suspension grooves 55, the purification structure 5 further comprises anti-leakage rings 57, supporting blocks 58 and a conical table 59, the, the upper surface of the leak-proof ring 57 is provided with supporting blocks 58 at equal angles, the upper ends of the supporting blocks 58 are fixedly connected with the bottom surface of the conical table 59, when the gas below the purifying barrel 4 passes through the air hole 52 from bottom to top, the gas contacts with the gas above, so that the heat exchange process is efficiently carried out, the low-boiling-point components are gradually evaporated, the high-boiling-point components are gradually liquefied, then enter the suspension groove 55 along with the water storage hopper 53 and the overflow pipe 54 to further carry out heat exchange with the gas rising from the bottom of the purifying barrel 4, the oxygen content in the liquefied air is increased, finally, the pure nitrogen with low boiling point is obtained from the top of the purifying barrel 4, the purifying barrel 4 obtains the oxygen-enriched liquid air with high boiling point, the leak-proof ring 57 can prevent the liquid air from leaking, the air supply structure 9 is arranged in the middle part of the upper surface of the bottom plate 1, the air supply structure 9 is communicated with, the air supply structure 9 comprises a support column 91, a placing plate 92, an expander 93 and a three-way pipe 94, wherein the support column 91 is symmetrically arranged in the middle of the upper surface of the bottom plate 1, the upper end of the support column 91 is fixedly connected with the bottom surface of the placing plate 92, the expander 93 is arranged on the upper surface of the placing plate 92, the air outlets on the left side and the right side of the expander 93 are respectively communicated with the air inlets at the lower ends of the outer cambered surfaces of the corresponding purification barrels 4 through pipelines, the three-way pipe 94 is arranged at the air inlet on the upper surface of the expander 93, the lower side pipe body of the three-way pipe 94 is communicated with the air outlet pipe on the upper surface of the molecular sieve purifier 8, the air outlets on the left side and the right side of the three-way pipe 94 are respectively communicated with the air inlets at the upper ends of the outer cambered surfaces of the corresponding purification barrels 4, the input end of the expander 93 is electrically connected with the output end of the control switch group 10, the purification device also comprises a control switch group 10, the control switch group 10 is arranged at the right front end of the upper surface of the bottom plate 1, the input end of the control switch group 10 is electrically connected with an external power supply, the input end of the air pump 7 is electrically connected with the output end of the control switch group 10, the upper surface air outlets of the purification barrel 4 are respectively provided with a nitrogen outlet pipe 11, the bottom surface air outlets of the purification barrel 4 are respectively provided with an oxygen outlet pipe 12, the oxygen outlet pipes 12 are communicated with the leakage-proof rings 57, the insides of the nitrogen outlet pipes 11 and the oxygen outlet pipes 12 are respectively connected in series with a pipe valve, the upper surface of the bottom plate 1 is symmetrically provided with reinforcing ribs 13, the upper ends of the reinforcing ribs 13 are fixedly connected with the outer side faces of the corresponding fixing rings 3, after purification and separation are completed, the pipe valves connected in series inside the nitrogen outlet pipes 11 and the oxygen outlet pipes, the reinforcing ribs 13 can further enhance the supporting function of the purification tank 4.

When in use: by controlling the switch group, the air pump 7 is operated to send external cold air into the molecular sieve purifier 8, when the air passes through the molecular sieve bed layer, the moisture, CO2, acetylene and other hydrocarbons are adsorbed, the residual mixed gas of nitrogen and oxygen is conveyed into the three-way pipe 94, one part of the mixed gas of nitrogen and oxygen is directly conveyed into the upper part of the purifying barrel 4, the other part of the mixed gas of nitrogen and oxygen is conveyed into the expander 93 for expansion and refrigeration and then conveyed into the lower part of the purifying barrel 4, when the gas below the purifying barrel 4 passes through the air hole 52 from bottom to top, the gas contacts with the gas above, the heat exchange process is carried out efficiently, the low boiling point component is gradually evaporated, the high boiling point component is gradually liquefied and then enters the suspension groove 55 along with the water storage hopper 53 and the overflow pipe 54 to further carry out heat exchange with the gas rising at the bottom of the purifying barrel 4, the oxygen content in the liquefied air is increased, finally, the pure nitrogen with low, the purification barrel 4 can obtain oxygen-enriched liquid air with high boiling point, the leakage-proof ring 57 can prevent the liquid air from leaking, after purification and separation are completed, the pipe valves connected in series inside the nitrogen gas outlet pipe 11 and the oxygen gas outlet pipe 12 are opened, pure nitrogen is discharged through the nitrogen gas outlet pipe 11, pure oxygen enters the oxygen gas outlet pipe 12 through the gap between the conical table 59 and the leakage-proof ring 57 and then is discharged, and the reinforcing rib 13 can further strengthen the supporting effect on the purification barrel 4.

It should be noted that in the embodiment, the air pump 7 is a VAY8828 vacuum pump produced by sincere technologies ltd, the expansion machine 93 is a PLPK-6/6-0.42 air separation turbo expansion machine produced by Jiangxi oxygen generator ltd, and the control switch group 10 controls the air pump 7 and the expansion machine 93 to work by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air purification economizer system among air separation device which characterized in that: comprises a bottom plate (1), a purification structure (5) and an air supply structure (9), wherein a supporting plate (2) is arranged on the rear side of the upper surface of the bottom plate (1), fixing rings (3) are symmetrically arranged at four corners of the front side surface of the supporting plate (2), purification barrels (4) are arranged inside the fixing rings (3) which are vertically corresponding to the left side and the right side, a U-shaped frame (6) is arranged on the front side of the upper surface of the bottom plate (1), a molecular sieve purifier (8) is arranged on the upper surface of the U-shaped frame (6), an air pump (7) is arranged on the front side of the upper surface of the bottom plate (1), an air inlet pipe is arranged at the front side of the air pump (7), an air outlet pipe arranged at the upper surface of the air pump (7) penetrates through the U-shaped frame (6) and is communicated with an air inlet at the bottom surface of the molecular sieve purifier (8), an air outlet pipe is, air feed structure (9) set up in the upper surface middle part of bottom plate (1), and air feed structure (9) and the outlet duct intercommunication of molecular sieve clarifier (8) upper surface, the gas outlet of air feed structure (9) and the air inlet intercommunication of purification bucket (4), wherein still include control switch group (10), control switch group (10) set up in the upper surface right front end of bottom plate (1), and external power source is connected to the input electricity of control switch group (10), and the output of control switch group (10) is connected to the input electricity of air pump (7).

2. The air purification energy-saving system in the air separation device according to claim 1, wherein: purification structure (5) are including go-between (51), gas pocket (52), hold water bucket (53), overflow pipe (54), suspension groove (55) and overflow hole (56), go-between (51) set up in the inside upper end of purification bucket (4) that corresponds, the impartial angle of upper surface edge of go-between (51) is equipped with gas pocket (52), the inner arc wall of go-between (51) all is equipped with holds water bucket (53), the middle part opening part of holding water bucket (53) all is equipped with overflow pipe (54), the extrados bottom of overflow pipe (54) all is equipped with evenly distributed's apopore, the equal fixedly connected with suspension groove (55) in bottom of overflow pipe (54), the impartial angle in extrados upper end of suspension groove (55) is equipped with overflow hole (56).

3. The air purification energy-saving system in the air separation device according to claim 1, wherein: purification structure (5) still include leak protection ring (57), supporting shoe (58) and toper platform (59), leak protection ring (57) set up in the inside bottom surface center department of purification bucket (4) that corresponds, and the equal angle of the upper surface of leak protection ring (57) is equipped with supporting shoe (58), and the upper end of supporting shoe (58) all is connected with the bottom surface fixed connection of toper platform (59).

4. The air purification energy-saving system in the air separation device according to claim 1, wherein: the air supply structure (9) comprises a support column (91), a placing plate (92), an expansion machine (93) and a three-way pipe (94), the support column (91) is symmetrically arranged in the middle of the upper surface of the bottom plate (1), the upper end of the support column (91) is fixedly connected with the bottom surface of the placing plate (92), the upper surface of the placing plate (92) is provided with an expansion machine (93), the air outlets of the left side surface and the right side surface of the expansion machine (93) are respectively communicated with the air inlets at the lower ends of the outer arc surfaces of the corresponding purification barrels (4) through pipelines, a three-way pipe (94) is arranged at the air inlet of the upper surface of the expansion machine (93), the lower side pipe body of the three-way pipe (94) is communicated with the air outlet pipe at the upper surface of the molecular sieve purifier (8), the air outlets of the left side surface and the right side surface of the three-way pipe (94) are respectively communicated with the air inlets at the upper ends of.

5. The air purification energy-saving system in the air separation device according to claim 3, wherein: the upper surface gas outlet department of purification bucket (4) all is equipped with nitrogen gas outlet duct (11), and the bottom surface gas outlet department of purification bucket (4) all is equipped with oxygen outlet duct (12), and oxygen outlet duct (12) and leak protection ring (57) intercommunication, the inside of nitrogen gas outlet duct (11) and oxygen outlet duct (12) all is established ties there is the pipe valve, and the upper surface bilateral symmetry of bottom plate (1) is equipped with stiffening rib (13), the upper end of stiffening rib (13) and the solid fixed ring (3) lateral surface fixed connection who corresponds.