CN200986672Y - Device for adjusting gas pressure, flow quantity, component using instrument combined system - Google Patents

Device for adjusting gas pressure, flow quantity, component using instrument combined system Download PDF

Info

Publication number
CN200986672Y
CN200986672Y CN 200620049291 CN200620049291U CN200986672Y CN 200986672 Y CN200986672 Y CN 200986672Y CN 200620049291 CN200620049291 CN 200620049291 CN 200620049291 U CN200620049291 U CN 200620049291U CN 200986672 Y CN200986672 Y CN 200986672Y
Authority
CN
China
Prior art keywords
gas
flow
ficq
fcv
fiq
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 200620049291
Other languages
Chinese (zh)
Inventor
曹智龙
郑国平
李彩云
彭伟红
蔡立
陈艳
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.)
WUJING CHEMICAL CO Ltd SHANGHAI
Original Assignee
WUJING CHEMICAL CO Ltd SHANGHAI
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 WUJING CHEMICAL CO Ltd SHANGHAI filed Critical WUJING CHEMICAL CO Ltd SHANGHAI
Priority to CN 200620049291 priority Critical patent/CN200986672Y/en
Application granted granted Critical
Publication of CN200986672Y publication Critical patent/CN200986672Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Flow Control (AREA)
  • Accessories For Mixers (AREA)

Abstract

An air pressure, flow and component adjusting device with a meter combination system comprises a buffering mixing tank, an adjusting valve PCV-A, an adjusting valve FCV-B, a manometer PIC-A, a flow meter FIQ-A, a flow meter FICQ-B and a ratio adjusting device RC-AB. An inlet of the buffering mixing tank is connected to one side of the adjusting valve PCV-A and the adjusting valve FCV-B respectively via a mixed pipeline. The other side of the adjusting valve PCV-A and the adjusting valve FCV-B is connected to an input pipe of Gas A and an input pipe of Gas B. A mixed gas outlet C of the buffering mixing tank is connected to the application system. The manometer PIC-A, the flow meter FIQ-A and the flow meter FICQ-B are connected to the mixing pipeline, the input pipe of Gas A and the input pipe of Gas B respectively. The ratio adjusting device RC-AB is connected to the flow meter FIQ-A, the flow meter FICQ-B and the adjusting valve FCV-B via a circuit, while the manometer PIC-A is connected to the adjusting valve PCV-A via the circuit. The meter combination system settles the problem that stability of the air pressure, flow and component is affected due to frequent changing of the pressure, flow and gas concentration, etc in the application system during the production course.

Description

A kind of regulating device that adopts the instrument combine system to carry out gaseous tension, flow, component
Technical field
The utility model relates to the regulating device of gaseous tension, flow, component in a kind of production run, particularly a kind of regulating device that adopts the instrument combine system to carry out gaseous tension, flow, component.
Background technology
In producing (or test) process, often there is the gas of a lot of arts demand control A and two kinds of different pressures of B, different flow to enter " using system " simultaneously, needs to adapt to the frequent variation that pressure, flow and the gas composition etc. that enter " using system " back mixed gas C are regulated control again.For pressure, flow and the gas composition etc. that make " using system " reach the requirement of imagination, need set up " blind controller system " that meets technological requirement.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of pressure adjusting, ratio to regulate the regulating device that the employing instrument combine system that makes up with flow regulation carries out gaseous tension, flow, component, promptly, the gas of two kinds of different pressures of A and B, different component through excess pressure adjusting and ratio regulate, after the flow regulation, form one and meet the mixed gas C that imagination requires, and can set the constant voltage scope, adjustments of gas C flow enters " using system ", under the condition of gas C fluctuations in discharge, can not change the constant voltage scope of gas C component ratio and setting.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
Adopt the instrument combine system to carry out the regulating device of gaseous tension, flow, component, comprise buffering mixing tank, variable valve PCV-A, a FCV-B, pressure gauge PIC-A, flowmeter FIQ-A, FICQ-B, than value adjusting device RC-AB, the import of described buffering mixing tank connects variable valve PCV-A, FCV-B one side respectively by mixed pipe line, variable valve PCV-A, FCV-B opposite side connect gas A intake line and gas B intake line respectively, and the mixed gas outlet C of buffering mixing tank connects using system; Pressure gauge PIC-A, flowmeter FIQ-A, FICQ-B are connected on respectively on mixed pipe line, gas A intake line, the gas B intake line, by circuit connection traffic meter FIQ-A, FICQ-B and variable valve FCV-B, pressure gauge PIC-A connects variable valve PCV-A by circuit than value adjusting device RC-AB.
The principle of work of this device is behind the ratio of the artificial setting buffering required pressure of mixing tank and gas A and gas B, variable valve PCV-A action, produce the flow of gas A, making flowmeter FIQ-A that flow take place shows and output signal, simultaneously, by circuit the flow signal of FIQ-A is fed back to ratio and regulate RC-AB, by predefined gas A and gas B ratio, make flowmeter FICQ-B obtain the automatic setting signal than value adjusting device RC-AB, and the signal of flowmeter FICQ-B is acted on variable valve FCV-B at once by circuit, produce the flow of gas B, flow demonstration and signal take place in flowmeter FICQ-B simultaneously; The mixed gas C that the outlet of buffering blend tank is sent advances using system.
Because the required pressure of artificial setting buffering blend tank is constant, therefore the mixed gas C flow that using system is advanced in the outlet that cushions mixing tank is regulated at will on demand, the PIC-A of constant pressure is if there is small variation, and whole blind controller system is adapted to artificial setting value at once automatically.The instrument combine system that the utility model adopts pressure to regulate with ratio and regulates, the flow regulation combination utilizes, be mainly used in: the gas of two kinds of different pressures of A and B, different component is after mixing, obtain brand-new component gas C by the imagination requirement, constant voltage enters " using system ", and can adapt to the variation of " using system " gas C flow, obtain stable gas C component and pressure.
This instrument combine system is " tandem control ", makes full use of the characteristic after each variable valve group and control instrument carry out combination, carries out ingenious reasonably applied in any combination, forms " blind controller system ".Solved often have in production (test) process because the frequent variation of pressure, flow and each gas concentration etc. of " using system ", and the pressure, flow and each gas group that influence " using system " the stable control problem of grading.
Description of drawings
Accompanying drawing is the structural representation of instrument combine of the present utility model system.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
The signal that function mode in the accompanying drawing is made up of pressure signal, flow signal, ratio conditioning signal transmits mutually, adjusting, control forms.
Referring to accompanying drawing, adopt the instrument combine system to carry out the employed device of control method of gaseous tension, flow, component, comprise buffering mixing tank 1, variable valve PCV-A, a FCV-B, pressure gauge PIC-A, flowmeter FIQ-A, FICQ-B, than value adjusting device RC-AB, the import of buffering mixing tank 1 connects variable valve PCV-A, FCV-B one side respectively by mixed pipe line 2, variable valve PCV-A, FCV-B opposite side connect gas A intake line 3 and gas B intake line 4 respectively, and the mixed gas C outlet 5 of buffering mixing tank 1 connects using system; Pressure gauge PIC-A, flowmeter FIQ-A, FICQ-B are connected on respectively on mixed pipe line 2, gas A intake line 3, the gas B intake line 4, by circuit connection traffic meter FIQ-A, FICQ-B and variable valve FCV-B, pressure gauge PIC-A connects variable valve PCV-A by circuit than value adjusting device RC-AB.
Above-mentioned buffering mixing tank 1, variable valve PCV-A, FCV-B, pressure gauge FIC-A, flowmeter FIQ-A, FICQ-B, be existing equipment, be not described in detail at this than value adjusting device RC-AB.
Behind the ratio of artificial setting buffering mixing tank 1 required pressure and gas A and gas B, variable valve PCV-A action, produce the flow of gas A, making flowmeter FIQ-A that flow take place shows and output signal, simultaneously, by circuit the flow signal of FIQ-A is fed back to ratio and regulate RC-AB, by predefined gas A and gas B ratio, make flowmeter FICQ-B obtain the automatic setting signal than value adjusting device RC-AB, and the signal of flowmeter FICQ-B is acted on variable valve FCV-B at once by circuit, produce the flow of gas B, flow demonstration and signal take place in flowmeter FICQ-B simultaneously; The mixed gas C that the outlet of buffering blend tank is sent advances using system.
Because artificial setting buffering mixing tank 1 required pressure P IC-A is constant, the gas flow that using system is advanced in the mixed gas C outlet 5 of buffering blend tank 1 is regulated at will on demand, the PIC-A of constant pressure is if there is small variation, and whole blind controller system is adapted to artificial setting value at once automatically.
In the whole operation process, artificial setting value has two:
A. press arts demand, set the pressure P IC-A value of using system.
B. press arts demand, can set the ratio (i.e. the component separately of two kinds of gases) that ratio is regulated A and two kinds of gases of B according to analyzing data.At this moment, whole technology is operated automatically according to blind controller system.
Can be when practical operation by arts demand, arbitrarily change the working condition requirements such as constant pressure scope, flow and each gas concentration of " using system ", and blind controller system also can be regulated all variations of control automatically, and whole technology is normally moved according to required working condition requirement.
Further specify the utility model by the following examples.
Embodiment 1
In test, there are two kinds of gases in the heating reduction stage of catalyzer, and 99% hydrogen 0.2Mpa (gas A) and 99% nitrogen 0.7Mpa (gas B) enter using system through device of the present utility model, needs control H 2The variation of component from 0 to 99%; Control N 2The variation of component from 99% to 0; The total flow of gas is at 5~70Nm 3/ h, but regulated at will as required; Constant pressure is in 8~18KPa scope, but regulated at will is set as required.
The utility model device main operational steps is:
1). cut manually than value adjusting device RC-AB, aperture is a complete shut-down;
2). the pressure of set pressure meter PIC-A, by the action of variable valve PCV-A, realize that the FIQ-A flow of gas A shows;
3). at this moment, can increase gradually, when treating, cut automatically, can adjust or change setting value at any time on demand than value adjusting device RC-AB near the ratio that needs than the aperture of value adjusting device RC-AB;
4). simultaneously, flowmeter FIQ-A produces the flow signal of gas A, and feed back to than value adjusting device RC-AB, according to the ratio of setting, make flowmeter FICQ-B obtain the automatic setting signal than value adjusting device RC-AB, act on variable valve FCV-B at once, flowmeter FICQ-B demonstrates flow and the signal of gas B;
5). the automatic adjustment through this cover blind controller system, all can reach steady operational status than value adjusting device RC-AB, flowmeter FICQ-B, variable valve FCV-B at pressure gauge PIC-A, flowmeter FIQ-A, variable valve PCV-A.
Embodiment 2
In test, switching the adding stage carbon monoxide has two kinds of gases with normal experimental stage, and 99% hydrogen 0.2MPa (gas A) and 98% carbon monoxide 2.8MPa (gas B) enter using system through device of the present utility model, need to control H earlier 2Component reduce to approximately 65% from about 99%, the component of control CO rises to about 32% from 0, normal back H to be adjusted 2Between being controlled at 2.1~2.3, the ratio of/CO automatically adjusts on any one some position; The total flow of gas C is at 40~70Nm 3But/h is regulated at will as required; Constant pressure, but regulated at will setting on demand in 8~18KPa scope.
Device main operational steps of the present utility model is the same with embodiment 1.
Device of the present utility model examples of implementation in debug process have a lot, no longer exemplify.
In a word, as long as two kinds of gases of A and B are arranged, no matter what is formed, pressure (as long as than using system gas C pressure height), after can both carrying out the gas mixing by the requirement of imagination, the total flow of arbitrarily fixed " using mixed gas C ", the pressure (and can accomplish constant voltage) of arbitrarily fixed " using mixed gas C ", and the component of gas is constant by the ratio of setting, whole operation is stable, and is easy.
Certainly,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for one of ordinary skill in the art.But this variation obviously should be in the protection domain of claims of the present utility model.

Claims (1)

1, a kind of regulating device that adopts the instrument combine system to carry out gaseous tension, flow, component, it is characterized in that, comprise buffering mixing tank, variable valve PCV-A, a FCV-B, pressure gauge PIC-A, flowmeter FIQ-A, FICQ-B, than value adjusting device RC-AB, the import of described buffering mixing tank connects variable valve PCV-A, FCV-B one side respectively by mixed pipe line, variable valve PCV-A, FCV-B opposite side connect gas A intake line and gas B intake line respectively, and the mixed gas outlet C of buffering mixing tank connects using system; Pressure gauge PIC-A, flowmeter FIQ-A, FICQ-B are connected on respectively on mixed pipe line, gas A intake line, the gas B intake line, by circuit connection traffic meter FIQ-A, FICQ-B and variable valve FCV-B, pressure gauge PIC-A connects variable valve PCV-A by circuit than value adjusting device RC-AB.
CN 200620049291 2006-12-21 2006-12-21 Device for adjusting gas pressure, flow quantity, component using instrument combined system Expired - Lifetime CN200986672Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620049291 CN200986672Y (en) 2006-12-21 2006-12-21 Device for adjusting gas pressure, flow quantity, component using instrument combined system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620049291 CN200986672Y (en) 2006-12-21 2006-12-21 Device for adjusting gas pressure, flow quantity, component using instrument combined system

Publications (1)

Publication Number Publication Date
CN200986672Y true CN200986672Y (en) 2007-12-05

Family

ID=38916131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620049291 Expired - Lifetime CN200986672Y (en) 2006-12-21 2006-12-21 Device for adjusting gas pressure, flow quantity, component using instrument combined system

Country Status (1)

Country Link
CN (1) CN200986672Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111258345A (en) * 2020-02-25 2020-06-09 北京首钢朗泽新能源科技有限公司 Gas concentration stabilizing device and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111258345A (en) * 2020-02-25 2020-06-09 北京首钢朗泽新能源科技有限公司 Gas concentration stabilizing device and control method thereof

Similar Documents

Publication Publication Date Title
DE102006008483B4 (en) Combustion control device for a gas turbine
CN100573083C (en) The device and method that is used for the continuous coverage of pneumatic pressure-release valve discharge characteristic
CN201543389U (en) Follow-up gas-air mixing device
JP5557827B2 (en) Mixed gas production method and gas mixing apparatus
CN102353551B (en) A kind of method and used test device measuring gas utensil makings adaptive domain or combustion conditions
CN204115829U (en) A kind of combine detection system
CN204768311U (en) Mixed distribution equipment of hydrogen nitrogen that ratio is accurate
CN102681559B (en) Pressurizer and valve group-based gas mixing control system and control method thereof
CN113213646A (en) Blower control device and control method for sewage treatment system
CN114464848A (en) Hydrogen flow load matching control method and device for vehicle-mounted hydrogen supply system
CN200986672Y (en) Device for adjusting gas pressure, flow quantity, component using instrument combined system
CN203453771U (en) Gas supplying device capable of continuously distributing gas and stabilizing wobbe index
CN205806935U (en) A kind of major and minor pipe switched system for mixed gas pressurization
CN109237111A (en) A kind of pressure-regulating hydraulic system and its control method of self-balancing pressure regulator valve
CN112917005A (en) Method and equipment for adjusting nitrogen purity of laser cutting
CN104482279A (en) Downstream under-pressure automatic closing pressure regulator
CN1996199A (en) Method for adjusting pressure, flow rate, and components of gas using instrument group system and device therefor
EP2413409B1 (en) Central media supply unit for reformer fuel cell systems
CN209411766U (en) The raw material air supply system of hydrogen production units by carbinol
CN203672626U (en) Fuel oil supply system used for aero-engine rig test
CN107875874A (en) A kind of follow-up flow air mixing equipment for being used to substitute compressed air
CN2701270Y (en) Steam pipe controlling device of hot air type tobacco leaf moisting machine
CN214174904U (en) Intelligent aeration quantity calculation control system for sewage treatment
CN201648352U (en) Gas calorific value control system
CN204302839U (en) The control device of gas in incubator

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20071205

EXPY Termination of patent right or utility model