CN202988713U - Oxygenerator scavenging exhaust gas through injection of air - Google Patents

Oxygenerator scavenging exhaust gas through injection of air Download PDF

Info

Publication number
CN202988713U
CN202988713U CN 201220661349 CN201220661349U CN202988713U CN 202988713 U CN202988713 U CN 202988713U CN 201220661349 CN201220661349 CN 201220661349 CN 201220661349 U CN201220661349 U CN 201220661349U CN 202988713 U CN202988713 U CN 202988713U
Authority
CN
China
Prior art keywords
valve
gas
oxygenerator
oxygen
air
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.)
Expired - Lifetime
Application number
CN 201220661349
Other languages
Chinese (zh)
Inventor
梁桂秋
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.)
SHENZHEN GLORY MEDICAL CO Ltd
Original Assignee
SHENZHEN GLORY MEDICAL 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 SHENZHEN GLORY MEDICAL CO Ltd filed Critical SHENZHEN GLORY MEDICAL CO Ltd
Priority to CN 201220661349 priority Critical patent/CN202988713U/en
Application granted granted Critical
Publication of CN202988713U publication Critical patent/CN202988713U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Separation Of Gases By Adsorption (AREA)

Abstract

The utility model relate to the technical field of oxygen generating plants, in particular to an oxygenerator scavenging exhaust gas through injection of air. The oxygenerator scavenging the exhaust gas through the injection of the air solves the existing technical problems in the scavenging process of exhaust gas desorbed out of an absorption tank. A gas inlet valve and a gas extraction valve are respectively connected with the upper end of the absorption tank, and a gas outlet valve is connected with the lower end of the absorption tank. A gas inlet pipe is connected with a gas inlet end of the gas inlet valve, a gas exhaust end of the gas extraction valve is connected with a vacuum pump, and the gas outlet end of the gas outlet valve is connected with a gas outlet header pipe. The oxygenerator scavenging the exhaust gas through the injection of the air is characterized in that a back-flushing gas-guide pipe is connected between the air inlet pipe and the lower end of the absorption tank, and a throttle valve is arranged on the back-flushing gas-guide pipe. Air after compressed, cooled and purified before the air inlet valve is guided into the absorption tank, the exhaust gas which is already desorbed in the absorption tank is scavenged in a back-flushing mode, the back flushing does not need to be carried out with oxygen prepared through absorption tanks under other working conditions, self consumption of oxygen produced by the oxygenerator can be reduced, the stability of oxygen production is promoted and the oxygen output is promoted.

Description

A kind of oxygenerator that utilizes input air to blow down waste gas
Technical field
The utility model relates to the oxygen generating plant technical field, refers more particularly to medical oxygen generator and realizes texture improvement aspect to the blowing that has desorbed waste gas in adsorption tanks.
Background technology
Pressure swing adsorption oxygen, generally use two oxygen Adsorbed molecular tanks at present, and in the time of an adsorption tanks job, another carries out desorb or inflation.To have desorbed waste gas in adsorption tanks in order blowing down, to be that employing is connected by communicating pipe in the air outlet of the bottom of two tanks at present, and to be provided with throttling valve on pipe connecting.To import a certain amount of high-concentration oxygen by throttling valve by another tank in oxygen just during a tank desorb, with the desorb that strengthens tank and to desorbing the blowing of waste gas.
Existing this mode has been wasted the oxygen that adsorption tanks are made in the blowback process, affect normal air feed, and the oxygen of the house steward that gives vent to anger supply is stable poor, affects oxygen yield.
Summary of the invention
In sum, the purpose of this utility model is to solve the technical deficiency in the blowing process that has desorbed waste gas in existing adsorption tanks, and proposes a kind of oxygenerator that utilizes input air to blow down waste gas.
Be to solve the technical problem that the utility model proposes, the technical scheme of employing is: a kind of oxygenerator that utilizes input air to blow down waste gas comprises the oxygen unit; The oxygen unit includes adsorption tanks, is connected with respectively intake valve and extraction valve in the upper end of adsorption tanks, is connected with air outlet valve in the lower end of adsorption tanks; The inlet end of described intake valve is connected with inlet pipe; The exhaust side of described extraction valve is connected with vacuum pump; The outlet side of described air outlet valve is connected with the house steward that gives vent to anger; It is characterized in that: be connected with the blowback airway between the lower end of described inlet pipe and adsorption tanks, be provided with throttling valve on the blowback airway.
Described oxygenerator includes the oxygen unit of two groups of above same structures, and each oxygen unit all is connected with the house steward that is connected with same vacuum pump.
Include as the technical scheme that the utility model is further improved:
Described oxygenerator also includes be used to the pilot circuit of controlling described each valve, and is connected with described pilot circuit respectively, for detection of the pressure transmitter of adsorption tanks tank internal pressure, and for detection of the oxygen concentration sensor of air outlet valve output oxygen concn.
The beneficial effects of the utility model are: the utility model adopts the air with the compression cooling and purifying before intake valve to import in adsorption tanks, in the mode of blowback to blowing down desorbing waste gas in adsorption tanks, do not need to utilize the oxygen that the adsorption tanks of all the other working ordeies are made to come blowback, can reduce oxygenerator self to the consumption of the oxygen made, improve the stability of oxygen, improve oxygen-producing amount.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and the preferred specific embodiment of the utility model, structure of the present utility model is further described.
Shown in Fig. 1, the utility model comprises the oxygen unit of two same structures; Wherein the first oxygen unit includes adsorption tanks A, is connected with respectively intake valve VA1 and extraction valve VA2 in the upper end of adsorption tanks A, is connected with air outlet valve VA3 in the lower end of adsorption tanks A; The inlet end of described intake valve VA1 is connected with inlet pipe A2; The exhaust side of described extraction valve VA2 is connected with vacuum pump C1; The outlet side of described air outlet valve VA3 is connected with the house steward C2 that gives vent to anger; Be connected with blowback airway A1 between the lower end of described inlet pipe and adsorption tanks A, be provided with throttle valve A 3 on blowback airway A1.
The second oxygen unit is identical with the first oxygen gas modular construction, includes equally adsorption tanks B, intake valve VB1, extraction valve VB2, air outlet valve VB3, inlet pipe B2, blowback airway B1 and throttling valve B3.Two same vacuum pump C1 of oxygen units shared, two oxygen unit are connected to the same house steward of giving vent to anger C2.
In order to make the utility model possess intelligent control, described oxygenerator also includes be used to the pilot circuit of controlling described each valve, and be connected with described pilot circuit respectively, for detection of the pressure transmitter of adsorption tanks tank internal pressure, and for detection of the oxygen concentration sensor of air outlet valve output oxygen concn.According to the heat transfer agent of pressure transmitter and oxygen concentration sensor monitoring, the unlatching of above-mentioned each valve of intelligent control or close.
Principle of the present utility model is as follows:
Two adsorption tanks A, the equal desorb of B, inflation, three kinds of states of work, under each state, corresponding each valve state is as follows:
A B VA 1 VB 1 VA 2 VB 2 VA 3 VB 3 A 3 B 3
Desorb Work Close Open Open Close Close Open Open Close
Inflation Work Open Open Close Close Close Open Close Close
Work Desorb Open Close Close Open Open Close Close Open
Work Inflation Open Open Close Close Open Close Close Close
When 1. adsorption tanks B is in running order, the air system of entering by intake valve VB1 through the overdraft cooling and purifying includes in the adsorption tanks A of oxygen molecular sieve, wherein nitrogen is adsorbed by the molecular sieve in adsorption tanks A, and high-concentration oxygen process air outlet valve VB3 is to the house steward C2 that gives vent to anger.Tank A is in desorption state simultaneously, and the high pressure nitrogen of absorption passes through extraction valve VA2 discharges, and imports the air of a certain amount of compression cooling and purifyings through throttle valve A 3, reaches desorbing the blowing of gas with the desorb that strengthens adsorption tanks A with the air that compresses cooling and purifying.
2. after the desorption process of adsorption tanks A had been completed, this moment, extraction valve VA2 and throttle valve A 3 were closed, and intake valve VA1 is opened air inlet, enter inflated condition, make the pressure in adsorption tanks A increase gradually near the pressure of outside atmosphere, adsorption tanks B continues to keep working order, externally continues output oxygen.
3. adsorption tanks A is after completing inflation, open air outlet valve VA3 and enter working order, adsorption tanks B working order finishes, and opens extraction valve VB2 this moment, adsorption tanks B is carried out desorb, and the air of a certain amount of compression cooling and purifying that is imported by throttling valve B3 carries out blowback to adsorption tanks B.
4. adsorption tanks A keeps working order, and adsorption tanks B enters inflated condition, after inflation is completed, gets back to again 1. state, again circulates next time, thereby completes the function of continuous wave output oxygen.

Claims (3)

1. oxygenerator that utilizes input air to blow down waste gas comprises the oxygen unit; The oxygen unit includes adsorption tanks, is connected with respectively intake valve and extraction valve in the upper end of adsorption tanks, is connected with air outlet valve in the lower end of adsorption tanks; The inlet end of described intake valve is connected with inlet pipe; The exhaust side of described extraction valve is connected with vacuum pump; The outlet side of described air outlet valve is connected with the house steward that gives vent to anger; It is characterized in that: be connected with the blowback airway between the lower end of described inlet pipe and adsorption tanks, be provided with throttling valve on the blowback airway.
2. a kind of oxygenerator that utilizes input air to blow down waste gas according to claim 1, it is characterized in that: described oxygenerator includes the oxygen unit of two groups of above same structures, and each oxygen unit all is connected with the house steward that is connected with same vacuum pump.
3. a kind of oxygenerator that utilizes input air to blow down waste gas according to claim 2, it is characterized in that: described oxygenerator also includes be used to the pilot circuit of controlling described each valve, and be connected with described pilot circuit respectively, for detection of the pressure transmitter of adsorption tanks tank internal pressure, and for detection of the oxygen concentration sensor of air outlet valve output oxygen concn.
CN 201220661349 2012-12-05 2012-12-05 Oxygenerator scavenging exhaust gas through injection of air Expired - Lifetime CN202988713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220661349 CN202988713U (en) 2012-12-05 2012-12-05 Oxygenerator scavenging exhaust gas through injection of air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220661349 CN202988713U (en) 2012-12-05 2012-12-05 Oxygenerator scavenging exhaust gas through injection of air

Publications (1)

Publication Number Publication Date
CN202988713U true CN202988713U (en) 2013-06-12

Family

ID=48559912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220661349 Expired - Lifetime CN202988713U (en) 2012-12-05 2012-12-05 Oxygenerator scavenging exhaust gas through injection of air

Country Status (1)

Country Link
CN (1) CN202988713U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111659228A (en) * 2020-06-30 2020-09-15 浙江勤策空分设备有限公司 Working method of pressure swing adsorption oxygen equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111659228A (en) * 2020-06-30 2020-09-15 浙江勤策空分设备有限公司 Working method of pressure swing adsorption oxygen equipment
CN111659228B (en) * 2020-06-30 2022-05-06 佛山市美客医疗科技有限公司 Working method of pressure swing adsorption oxygen equipment

Similar Documents

Publication Publication Date Title
CN201049886Y (en) Oxygen preparing machine with nitrogen discharging function and split oxygen supplying instrument
CN109596302B (en) Flow control injection system for low-speed wind tunnel experiment of aircraft model
CN103407976B (en) Nitrogen making machine
CN202988713U (en) Oxygenerator scavenging exhaust gas through injection of air
CN2612444Y (en) Air conditioner for removing carbon dioxide and replenishing oxygen using pressure changeable adsorption method
CN209065415U (en) A kind of oxygen rapid regeneration device
CN207478259U (en) A kind of small-scale biogas Pressure Swing Adsorption device
CN205917028U (en) Two medical molecular sieve oxygen generation systems of effect of single lobe pump
CN205933223U (en) Low energy consumption multitower VPSA system oxygen system
CN209306950U (en) A kind of novel energy-saving high-efficiency type PSA equipment of making nitrogen
CN201132098Y (en) Air separating and adsorbing system
CN206778141U (en) A kind of pressure swing adsorption system
CN219942316U (en) Three-tower vacuum pressure swing adsorption system
CN206126840U (en) Energy -saving vacuum swing adsorption oxygenerator
CN201825725U (en) Vacuum pressure swing adsorption system for oxygen production
CN215403093U (en) VPSA oxygen generation system for efficiently utilizing adsorbent
CN201183750Y (en) Two-stage adsorption type oxygen generating system
CN210313544U (en) Special nitrogen making machine for solid waste treatment
CN205173102U (en) Dual -purpose type valve island of aqueous vapor
CN202983463U (en) Pressure-equalizing structure of double-tower type gas separation equipment
CN213171475U (en) High-purity high-efficiency energy-saving nitrogen making machine
CN212091594U (en) Modular adsorption type dryer
CN210356582U (en) PSA nitrogen production evacuation oxygen-enriched gas recovery unit
CN202924732U (en) Novel nitrogen blowback device of nitrogen making machine
CN203545680U (en) Nitrogen making machine

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: An oxygen generator using input air to blow off waste gas

Effective date of registration: 20201027

Granted publication date: 20130612

Pledgee: Shenzhen hi tech investment small loan Co.,Ltd.

Pledgor: SHENZHEN GLORY MEDICAL Co.,Ltd.

Registration number: Y2020980007208

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20211126

Granted publication date: 20130612

Pledgee: Shenzhen hi tech investment small loan Co.,Ltd.

Pledgor: SHENZHEN GLORY MEDICAL Co.,Ltd.

Registration number: Y2020980007208

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130612