CN106155126A - Gases at high pressure integrated form pressure-reduction module - Google Patents
Gases at high pressure integrated form pressure-reduction module Download PDFInfo
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- CN106155126A CN106155126A CN201510175873.0A CN201510175873A CN106155126A CN 106155126 A CN106155126 A CN 106155126A CN 201510175873 A CN201510175873 A CN 201510175873A CN 106155126 A CN106155126 A CN 106155126A
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- 239000007789 gas Substances 0.000 title claims abstract description 56
- 230000006837 decompression Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 13
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The present invention relates to a kind of gases at high pressure integrated form pressure-reduction module, valve body is provided with air inlet runner, reduce pressure runner and go out flow channel, air inlet runner is communicated with decompression runner by the first intermediate flow channel, and communicated with going out flow channel by bypass flow channel, decompression runner is communicated with going out flow channel by rear stop valve runner, boost gauge, outlet pressure table, front stop valve and rear stop valve are arranged on valve body, pressure-reducing valve is arranged on valve body and is positioned between before and after's stop valve, the main valve disc of pressure-reducing valve is relative with the valve port end face on valve body, safety valve is arranged on valve body and is positioned at the rear portion of pressure-reducing valve, the safety valve relief fittings being arranged on valve body communicates with safety relief runner；Bypass throttle valve is arranged on valve body, and the valve rod of bypass throttle valve is corresponding with bypass flow channel.Present configuration is simple, reasonable, and integration degree is high, and volume is little, and security is high, when High-Pressure Gas System normally works, also can safeguard pressure-reducing valve and overhaul.
Description
Technical field
The present invention relates to a kind of gases at high pressure integrated form pressure-reduction module, belong to high pressure air reducing technical field.
Background technology
Gases at high pressure for inlet pressure about 3-20MPa, it usually needs be decompressed to by reducer unit
The operating pressure of 0.5-15Kpa.But existing reducer unit is to be connected pressure-reducing valve, stop valve and safety valve etc. by pipeline
Forming, but owing to each valve is required to be connected by each pipeline at the scene install, not only installing inconvenience, installation effectiveness is low, and
Also add installation period.Further, since each valve all mostly needs pipe pipe to connect, the reducer unit after therefore assembling takes up room
Position is relatively big, loosely organized, and air-tightness is low.Reducer unit relatively advanced at present is to increase on the basis of main pressure-reducing valve
Having added pilot valve and two safety valves, the main valve disc being controlled main pressure-reducing valve by pilot valve opens and closes the pressure highly with gas vent,
Owing to main pressure-reducing valve has back pressure automatic balance function, there is the high feature of decompression precision.But the reducer unit of this kind of structure must
Two safety valves must be used, and respectively safeguard protection effect is played to pilot valve and main pressure-reducing valve, although improve security, but should
Reducer unit must also lead to the parts such as external pipeline and flange and be connected with front stop valve and rear stop valve, is tied by pressure-reducing valve simultaneously
Placing restrictions on of structure, not only boost gauge and outlet pressure table all cannot be arranged on valve body, and integration degree is not high, and also without
Method improves the air-tightness of High-Pressure Gas System further, cannot be down to minimum by taking up room simultaneously.Moreover, existing decompression
Valve group can only could enter maintenance and inspecting state after quitting work, and can not safeguard online, can affect gases at high pressure
The normal work of system.
Content of the invention
It is an object of the invention to provide a kind of simple and reasonable for structure, integration degree is high, and volume is little, and security is high, high pressure
When gas system normally works, also can carry out the gases at high pressure integrated form pressure-reduction module safeguarded and overhaul to pressure-reducing valve.
The present invention is that the technical scheme reaching above-mentioned purpose is: a kind of gases at high pressure integrated form pressure-reduction module, it is characterised in that:
Including valve body, boost gauge, front stop valve, pressure-reducing valve, safety valve, bypass throttle valve and rear stop valve and go out air pressure
Power table,
Described valve body is provided with air inlet runner, reduce pressure runner and go out flow channel, air inlet runner by the first intermediate flow channel with subtract
Pressure runner communicates, and air inlet runner communicates with going out flow channel also by bypass flow channel, and described decompression runner passes through rear stop valve
Runner communicates with going out flow channel, inlet suction port and air outlet adapter be separately mounted on valve body and with respective air inlet runner and giving vent to anger
Runner communicates；
Described boost gauge and outlet pressure table are arranged on valve body, and boost gauge and outlet pressure table are by connecting
Pipe and respective air inlet runner and go out flow channel and communicate, show to inlet gas pressure and outlet pressure；
Described front stop valve is arranged on valve body, and the valve rod of front stop valve is corresponding with air inlet runner, is used for controlling inlet air flow
The break-make in road, rear stop valve is arranged on valve body, and the valve rod of rear stop valve is corresponding with rear stop valve runner, after control
The break-make of stop valve runner；
Described pressure-reducing valve is arranged on valve body and is positioned between front stop valve and rear stop valve, the main valve disc of pressure-reducing valve and valve body
On valve port end face relative, by controlling the distance between the valve port end face on the main valve disc of pressure-reducing valve and valve body, be used for controlling
Flow into the gas pressure of decompression runner from the first intermediate flow channel；
Described safety valve is arranged on valve body and is positioned at the rear portion of pressure-reducing valve, and the safe valve disc of safety valve and safety valve runner
Relatively, for controlling the break-make of safety valve runner, safety valve runner one end communicates with the runner that reduces pressure, the other end and safety relief
Runner communicates, and the safety valve relief fittings being arranged on valve body communicates with safety relief runner；
Described bypass throttle valve is arranged on valve body, and the valve rod of bypass throttle valve is corresponding with bypass flow channel, is used for controlling side
The break-make of passage flow duct.
Wherein: described boost gauge is communicated with the boost gauge runner on valve body by connecting tube, and boost gauge
Runner is communicated with air inlet runner by the second intermediate flow channel, the valve rod and second of the boost gauge stop valve being arranged on valve body
Intermediate flow channel is corresponding, for the break-make of control the second intermediate flow channel.
Described valve body is additionally provided with the front pressure release runner communicating with the second intermediate flow channel, be arranged on valve body go forward discharge valve valve rod with
Boost gauge runner is corresponding, for controlling the break-make of boost gauge runner, front pressure release head be arranged on valve body and with front let out
Pressure runner communicates.
The valve rod of described front stop valve is corresponding with front stop valve runner, and front stop valve runner one end communicates with air inlet runner, front section
Only the other end of valve runner is communicated by front cut-off valve pocket and transition runner and the first intermediate flow channel.
The main valve disc of described pressure-reducing valve is connected with valve seat, and main valve disc and the first intermediate flow channel communicate, and spring base is sealingly mounted at valve
On seat, the main spring being enclosed within valve seat withstands on convex shoulder and the spring base of valve seat respectively, and valve base sealing mounts elastically simultaneously
Can move axially, valve seat passes through the valve port on valve body and is arranged in the pilot hole of piston, and valve seat is positioned at valve port and is provided with radially
Air flue, and radial air flow communicated by the cavity of axial air flue and the bottom of spring base, described piston seal is arranged on valve body
Upper cavity in, and the decompression valve pocket of piston lower portion with decompression runner and valve port communicate, adjustment seat is arranged on piston, install
Sealing plate bottom adjustment seat connects with the interior hole end surface of piston, and regulation screw is screwed in adjustment seat and connects with valve seat,
Bonnet is arranged on valve body, and decompression adjusting rod is adjustable to be arranged on bonnet and connects with upper adjusting seat, and relief spring is arranged on
Between piston and upper adjustable plate and withstand on piston and upper adjustable plate.
The safe valve disc of described safety valve is connected on the lower projection of moveable emergency valve seat, and the lower spring cup with cone post sets
Putting in the taper hole of emergency valve seat, safety valve cap is arranged on valve body, the safe adjusting rod being arranged on safety valve cap and upper bullet
Spring abutment connects, and safety valve spring is arranged between upper spring seat and lower spring cup and withstands on upper spring seat and lower spring cup.
Described outlet pressure table is communicated with outlet pressure surface low road by connecting tube, and outlet pressure surface low road is middle by the 3rd
Runner communicates with going out flow channel, and the valve rod of the outlet pressure table stop valve being arranged on valve body is corresponding with the 3rd intermediate flow channel, uses
Break-make in control the 3rd intermediate flow channel.
Described valve body is additionally provided with the rear pressure release runner communicating with the 3rd intermediate flow channel, be arranged on valve body after discharge valve valve rod with
Outlet pressure surface low road is corresponding, for controlling the break-make in outlet pressure surface low road, rear pressure release head be arranged on valve body and with after let out
Pressure runner communicates.
Described air inlet runner has same center line with decompression runner, and it is parallel with air inlet runner to go out flow channel.
The aperture of described bypass flow channel is less than out the aperture of flow channel.
The present invention is provided with on pressure-reducing valve, safety valve and the valve member such as choke valve stop valve and Pressure gauge on a valve body, passes through
Each runner on valve body for the control realizes the control of each function, and function is integrated, eliminates the connecting line of reducer unit
And adpting flange, compact conformation, reduce volume, mitigate weight, decrease the hidden danger of the leakage of pipeline simultaneously, improve height
The air-tightness of pressure gas system.Pressure-reducing valve, safety valve and choke valve and front and back stop valve and Pressure gauge collection are by the present invention
Integrally, lead to runner corresponding on each valve application valve body, it is achieved the function control of pressure-reduction module, save installing space, reduce
The construction volume of user, improves efficiency of construction and quality.The present invention is provided with bypass throttle valve on valve body, passes through bypass throttle valve
The gases at high pressure of control air inlet runner are directly entered out flow channel, when High-Pressure Gas System normally works, carry out pressure-reducing valve
Safeguard and maintenance that there is preferably maintenance performance.The present invention is additionally provided with stop valve for pressure gauge and discharge valve on valve body,
Being highly convenient for manometric maintenance and replacing, easy to operate, security performance is high.
Brief description
Below in conjunction with the accompanying drawings embodiments of the invention are described in further detail.
Fig. 1 is the structural representation of gases at high pressure integrated form pressure-reduction module of the present invention.
Fig. 2 is the side-looking structural representation of Fig. 1.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 2.
Fig. 5 is the C-C sectional structure schematic diagram of Fig. 2.
Fig. 6 is the D-D sectional structure schematic diagram of Fig. 2.
Fig. 7 is the structural representation of pressure-reducing valve of the present invention.
Fig. 8 is the perspective view of gases at high pressure integrated form pressure-reduction module of the present invention.
Wherein: 1 safety valve, the safe adjusting rod of 1-1,1-2 safety valve cap, 1-3 upper spring seat, 1-4 safety
Valve spring, 1-5 lower spring cup, the safe valve disc of 1-6,1-7 emergency valve seat, 2 boost gauges, 3 pressure-reducing valves,
3-1 main valve disc, 3-2 valve seat, 3-3 reduces pressure adjusting rod, 3-4 bonnet, the upper adjustable plate of 3-5, and 3-6 reduces pressure bullet
Spring, 3-7 regulates screw, 3-8 adjustment seat, 3-9 sealing plate, 3-10 main spring, 3-11 spring base, 3-12
Piston, stop valve before 4,4-1 valve rod, 5 valve bodies, cut-off valve pocket before 5-1, stop valve runner before 5-2,
5-3 air inlet runner, pressure release runner before 5-4,5-5 boost gauge runner, 5-6 transition runner, in 5-7 first
Between runner, 5-8 reduces pressure valve pocket, 5-9 valve port, and 5-10 reduces pressure runner, 5-11 outlet pressure surface low road, 5-12
Rear pressure release runner, 5-13 safety valve runner, the safe valve pocket of 5-14,5-15 the second intermediate flow channel, 5-16 goes out air-flow
Road, 5-17 the 3rd intermediate flow channel, 5-18 bypass flow channel, stop valve runner after 5-19,6 inlet suction ports, 7 even
Adapter, pressure release head before 8, discharge valve before 9,9-1 valve rod, 10 boost gauge stop valves, 10-1 valve rod,
11 bypass throttle valves, 11-1 valve rod, 12 outlet pressure tables, 13 safety valve relief fittingss, 14 air outlet adapters,
Stop valve after 15,15-1 valve rod, 16 outlet pressure table stop valves, 16-1 valve rod, discharge valve after 17,17-1
Valve rod, pressure release head after 18,19 admission pressure meter connectors, 20 outlet pressure meter connectors.
Detailed description of the invention
As shown in Fig. 1～8, the gases at high pressure integrated form pressure-reduction module of the present invention, including valve body the 5th, boost gauge is the 2nd, front
Stop valve the 4th, pressure-reducing valve the 3rd, safety valve the 1st, bypass throttle valve 11 and afterwards stop valve 15 and outlet pressure table 12.
As shown in Fig. 1～4, valve body 5 of the present invention is provided with air inlet runner 5-3, decompression runner 5-10 and goes out flow channel 5-16,
Air inlet runner 5-3 is communicated with decompression runner 5-10 by the first intermediate flow channel 5-7, and air inlet runner 5-3 is also by bypass stream
Road 5-18 communicates with going out flow channel 5-16, decompression runner 5-10 by rear stop valve runner 5-19 with go out flow channel 5-16 phase
Logical, therefore gases at high pressure one tunnel of the present invention can be discharged by going out flow channel 5-16 after pressure-reducing valve 3, cut-off before closing
When valve 4 and rear stop valve 15, and when opening bypass throttle valve 11, make the gases at high pressure in entrance pressure-reduction module by bypass
Choke valve 11 is discharged from going out flow channel 5-16, to keep the normal work of High-Pressure Gas System after carrying out reducing pressure or not reducing pressure.
The inlet suction port 6 of the present invention and air outlet adapter 14 be separately mounted on valve body 5 and with respective air inlet runner 5-3 and giving vent to anger
Runner 5-16 communicates, and is introduced in valve body 5 gases at high pressure by pipeline, and delivers to desirably gas after decompression.This
Bright air inlet runner 5-3 has same center line with decompression runner 5-10, and it is flat to go out flow channel 5-16 and air inlet runner 5-3
OK, compact conformation, rationally, and interference can be reduced, and also can facilitate the processing to valve flowing channel.
Such as Fig. 1～6, shown in 8, boost gauge 2 of the present invention and outlet pressure table 12 are arranged on valve body 5, valve body 5
Being provided with two projections, boost gauge 2 and outlet pressure table 12 are arranged on projection, make pressure-reduction module have higher collection
One-tenthization degree, boost gauge 2 and outlet pressure table 12 by connecting tube 7 respectively by admission pressure meter connector 19 with go out
Atmospheric pressure meter connector 20 and respective air inlet runner 5-3 and go out flow channel 5-16 and communicate, to inlet gas pressure and outlet pressure
Power shows.Such as Fig. 1～6, shown in 8, the present invention is for ease of tieing up to boost gauge 2 and outlet pressure table 12
Protecting or changing, boost gauge 2 is communicated with the boost gauge runner 5-5 on valve body 5 by connecting tube 7, and air inlet pressure
Power surface low road 5-5 is communicated with air inlet runner 5-3 by the second intermediate flow channel 5-15, is arranged on the boost gauge on valve body 5
The valve rod 10-1 of stop valve 10 is corresponding with the second intermediate flow channel 5-15, for the break-make of control the second intermediate flow channel 5-15,
When operation, cut off by controlling boost gauge stop valve 10, make the gases at high pressure in air inlet runner 5-3 cannot be introduced into
In boost gauge 2, on the one hand boost gauge 2 can be protected, on the other hand can be convenient for changing boost gauge 2.
As shown in Fig. 3～5, valve body 5 of the present invention is additionally provided with the front pressure release runner 5-4 communicating with the second intermediate flow channel 5-15, installs
The valve rod 9-1 of the front discharge valve 9 on valve body 5 is corresponding with boost gauge runner 5-5, is used for controlling admission pressure surface low
The break-make of road 5-5, front pressure release 8 is arranged on valve body 5 and communicates with front pressure release runner 5-4, discharge valve 9 before opening
After, the gases at high pressure in boost gauge 2 can be discharged by pipeline, it is ensured that use the safety of the gases at high pressure such as high pressure nitrogen
Property.
Such as Fig. 1～3, shown in 5, the outlet pressure table 12 of the present invention connects on valve body 5, and outlet pressure table 12 is by connecting
Pipe 7 communicates with outlet pressure table 12 runner 5-11, and outlet pressure surface low road 5-11 by the 3rd intermediate flow channel 5-17 with
Go out flow channel 5-16 to communicate, the valve rod 16-1 of the outlet pressure table stop valve 16 being arranged on valve body 5 and the 3rd intermediate flow
Road 5-17 is corresponding, for the break-make of control the 3rd intermediate flow channel 5-17.When operation, cut atmospheric pressure table stop valve 16,
Use the gases at high pressure in flow channel 5-16 and cannot be introduced in outlet pressure table 12, on the one hand outlet pressure table 12 can be entered
Row protection, on the other hand can be convenient for changing outlet pressure table 12.Such as Fig. 3, shown in 6, the present invention valve body 5 be additionally provided with
The rear pressure release runner 5-12 that 3rd intermediate flow channel 5-17 communicates, the valve rod 17-1 of the rear discharge valve 17 being arranged on valve body 5
Corresponding with outlet pressure surface low road 5-11, for controlling the break-make of outlet pressure surface low road 5-11, rear pressure release 18 is installed
On valve body 5 and communicate with rear pressure release runner 5-12.After opening after discharge valve 17, can be by the height in outlet pressure table 12
Body of calming the anger is discharged by pipeline.
As shown in Fig. 1～3, the front stop valve 4 of the present invention is arranged on valve body 5, and the valve casing of front stop valve 4 seals to be installed
At the front cut-off valve pocket 5-1 of valve body 5, and valve rod 4-1 is arranged on valve casing and can move axially, valve rod 4-1 and regulation
Handle connects, and the valve rod 4-1 of the front stop valve 4 of the present invention is corresponding with front stop valve runner 5-2, front stop valve runner 5-2
One end communicates with air inlet runner 5-3, and the other end of front stop valve runner 5-2 passes through front cut-off valve pocket 5-1 and transition runner 5-6
Communicate with the first intermediate flow channel 5-7, by the break-make moving axially control air inlet runner 5-3 of valve rod 4-1.
As shown in Fig. 2～4, the rear stop valve 15 of the present invention is arranged on valve body 5, and the valve rod 15-1 of rear stop valve 15
Corresponding with rear stop valve runner 5-19, due to rear stop valve runner 5-19 and decompression runner 5-10 and go out flow channel 5-16 phase
Logical, rear stop valve 15 is for the break-make of stop valve runner 5-19 after control, rear stop valve 15 structure of the present invention and front section
Only valve 4 structure is essentially identical, when open front stop valve 4 and after stop valve 15, and close bypass throttle valve 11 and make high pressure gas
Body by reaching required operating pressure after pressure-reducing valve 3 and discharged by going out flow channel 5-16, and before closing stop valve 4
With rear stop valve 15, open bypass throttle valve 11 and pressure-reducing valve 3 can be safeguarded, by bypass throttle valve 11 to high pressure
Gas carries out reducing pressure or not reducing pressure, and is discharged by going out flow channel 5-16, to ensure that High-Pressure Gas System normally works, this
The front stop valve 4 of invention and rear stop valve 15 also can use the stop valve of other structures existing.
Such as Fig. 1～3, shown in 7, the pressure-reducing valve 3 of the present invention is arranged on valve body 5 and is positioned at front stop valve 4 and rear stop valve
Between 15, the main valve disc 3-1 of pressure-reducing valve 3 is corresponding with the valve port 5-9 end face on valve body 5, by controlling the master of pressure-reducing valve 3
The distance between valve port 5-9 end face on valve disc 3-1 and valve body 5, flows into decompression for control from the first intermediate flow channel 5-7
The gas pressure of runner 5-10.Such as Fig. 3, shown in 7, the main valve disc 3-1 of pressure-reducing valve 3 of the present invention is connected with valve seat 3-2,
Main valve disc 3-1 and the first intermediate flow channel 5-7 communicate, and spring base 3-11 is sealingly mounted on valve seat 3-2, are enclosed within valve seat 3-2
On main spring 3-10 withstand on respectively on convex shoulder and the spring base 3-11 of valve seat 3-2, valve seat 3-2 is sealingly mounted at spring base
3-11 is upper and can move axially, and valve seat 3-2 passes through the valve port 5-9 on valve body 5 and is arranged in the pilot hole of piston 3-12,
Valve seat 3-2 is positioned at valve port 5-9 and is provided with radially air flue, and radial air flow is by axial air flue and the bottom of spring base 3-11
Cavity communicates, owing to valve seat 3-2 is provided with radially air flue and axial air flue, when outlet pressure deviation setting pressure is unstable
When, formed in entering the cavity bottom spring base 3-11 by the radial direction air flue on inflow valve seat 3-2 and axial air flue
Back pressure gas, and under the elastic force effect of main spring 3-10 and relief spring 3-6, automatic pressure regulation is to reach to set
Force value and realize steadily reducing pressure.As shown in Figure 7, inventive piston 3-12 is sealingly mounted in the cavity of valve body 5,
The decompression valve pocket 5-8 of piston 3-12 bottom communicates with decompression runner 5-10 and valve port 5-9, and adjustment seat 3-8 is arranged on piston
It on 3-12, is arranged on the sealing plate 3-9 bottom adjustment seat 3-8 and connects with the interior hole end surface of piston 3-12, pass through sealing plate
Valve seat 3-2 end face is kept sealing by 3-9, and regulation screw 3-7 is screwed in adjustment seat 3-8 and connects with valve seat 3-2, bonnet
3-4 is arranged on valve body 5, and decompression adjusting rod 3-3 is adjustable to be arranged on bonnet 3-4 and connects with upper adjusting seat 3-8,
Relief spring 3-6 is arranged between piston 3-12 and upper adjustable plate 3-5 and withstands on piston 3-12 and upper adjustable plate 3-5,
By the elastic force of decompression adjusting rod 3-3 regulation relief spring 3-6, by regulation screw 3-7 valve disc 3-1 and valve port 5-9
Distance between end face, to reach the force value of desired gas decompression.
Such as Fig. 1～3, the 5th, shown in 8, the safety valve 1 of the present invention is arranged on valve body 5 and is positioned at the rear portion of pressure-reducing valve 3,
The safe valve disc 1-6 of safety valve 1 is relative with safety valve runner 5-13, for controlling the break-make of safety valve runner 5-13, and peace
Runner 5-10 communicates, the other end communicates with safety relief runner with decompression in one end of full valve runner 5-13,
The safety valve relief fittings 13 being arranged on valve body 5 communicates with safety relief runner, can concentrate and be discharged gas by pipeline.
As shown in Figure 3, the safe valve disc 1-6 of safety valve 1 of the present invention is connected on the lower projection of moveable emergency valve seat 1-7,
The lower spring cup 1-5 with cone post is arranged in the taper hole of emergency valve seat 1-7, and emergency valve seat 1-7 is sealingly mounted at valve body 5
Safe valve pocket 5-14 in, safety valve cap 1-2 is arranged on valve body 5, the safe adjusting rod 1-1 being arranged on safety valve cap 1-2
Connecting with upper spring seat 1-3, safety valve spring 1-4 is arranged between upper spring seat 1-3 and lower spring cup 1-5 and withstands on
On spring base 1-3 and lower spring cup 1-5.When pressure exceeds setting value, overcome the elastic force of safety spring by high pressure draught
And open safe valve disc 1-6, open the safety-valve runner 5-13, make partial high pressure gas by the safe valve pocket of safety valve 1 and
Safety relief runner, discharges pressure-reduction module from safety valve relief fittings 13, makes pressure-reduction module reliably working.
Such as Fig. 1～4, shown in 8, the bypass throttle valve 11 of the present invention is arranged on valve body 5, and the valve of bypass throttle valve 11
Bar 11-1 is corresponding with bypass flow channel 5-18, for controlling the break-make of bypass flow channel 5-18, the valve rod 11-1 of bypass throttle valve 11
Being arranged on valve casing and moving axially, valve rod 11-1 is connected with regulation handle, makes gases at high pressure from air inlet runner 5-3 warp
Bypass throttle valve 11 and flow into out flow channel 5-16 and be discharged, the aperture of bypass flow channel 5-18 of the present invention is less than out flow channel
The aperture of 5-16, can play uncontrollable decompression and make when gas goes out flow channel 5-16 by the entrance of bypass flow channel 5-18
With the aperture also by regulating valve stem and bypass flow channel 5-18 realizes adjustable depressurization, can be to pressure-reducing valve simultaneously
3 safeguard.
As shown in Fig. 1～8, the present invention opens front stop valve 4 and rear stop valve 15, gases at high pressure through air inlet runner 5-3,
First intermediate flow channel 5-7 reduced pressure by pressure-reducing valve 3 after by decompression runner 5-10 and go out flow channel 5-16 by giving vent to anger
Joint 14 is for user；When the abnormal rising of outlet pressure, open the peace of safety valve 1 through the gas of the runner 5-10 that reduces pressure
Full valve disc 1-6, the runner 5-13 that opens the safety-valve can be released in time by safety valve relief fittings 13, it is ensured that pressure-reduction module
Security, and boost gauge 2 and outlet pressure table 12 can observe the turnover pressure of pressure-reduction module at any time.When needs are to subtracting
When pressure valve 3 is safeguarded, and close pressure-reducing valve 3, open bypass throttle valve 11, interim ensure to subtract valve module do not stop to
Pressure-reducing valve 3 can be overhauled during the supply of family.The present invention passes through safety bleeder valve joint 13 and front and back pressure release head can be by gas
The decorum one is drawn outside cabin, prevents from being emitted on cabin gases at high pressure excessive concentration, safe and reliable.
Claims (10)
1. a gases at high pressure integrated form pressure-reduction module, it is characterised in that: include valve body (5), boost gauge (2),
Front stop valve (4), pressure-reducing valve (3), safety valve (1), bypass throttle valve (11) and rear stop valve (15) and give vent to anger
Pressure gauge (12),
Described valve body (5) is provided with air inlet runner (5-3), decompression runner (5-10) and goes out flow channel (5-16), air inlet
Runner (5-3) is communicated with decompression runner (5-10) by the first intermediate flow channel (5-7), and air inlet runner (5-3) is also by bypass stream
Road (5-18) communicates with going out flow channel (5-16), and described decompression runner (5-10) passes through rear stop valve runner (5-19)
Communicate with going out flow channel (5-16), inlet suction port (6) and air outlet adapter (14) be separately mounted to valve body (5) upper and with
Respective air inlet runner (5-3) and go out flow channel (5-16) and communicate；
Described boost gauge (2) and outlet pressure table (12) are arranged on valve body (5), and boost gauge (2)
By connecting tube (7) and respective air inlet runner (5-3) with outlet pressure table (12) and go out flow channel (5-16) and communicate,
Inlet gas pressure and outlet pressure are shown；
Described front stop valve (4) is arranged on valve body (5), and the valve rod (4-1) of front stop valve (4) and inlet air flow
Road (5-3) is corresponding, is used for controlling the break-make of air inlet runner (5-3), and rear stop valve (15) is arranged on valve body (5), and after
The valve rod (15-1) of stop valve (15) is corresponding with rear stop valve runner (5-19), for stop valve runner (5-19) after control
Break-make；
Described pressure-reducing valve (3) is arranged on valve body (5) and above and is positioned between front stop valve (4) and rear stop valve (15),
The main valve disc (3-1) of pressure-reducing valve (3) is relative with valve port (5-9) end face on valve body (5), by control pressure-reducing valve (3)
Main valve disc (3-1) and valve body (5) on valve port (5-9) end face between distance, for control from the first intermediate flow
Road (5-7) flows into the gas pressure of decompression runner (5-10)；
Described safety valve (1) is arranged on the rear portion that valve body (5) is upper and is positioned at pressure-reducing valve (3), and safety valve (1)
Safe valve disc (1-6) is relative with safety valve runner (5-13), is used for controlling the break-make of safety valve runner (5-13), safety
Valve runner (5-13) one end communicates with decompression runner (5-10), the other end communicates with safety relief runner, is arranged on valve body
(5) the safety valve relief fittings (13) on communicates with safety relief runner；
Described bypass throttle valve (11) is arranged on valve body (5), and the valve rod (11-1) of bypass throttle valve (11)
Corresponding with bypass flow channel (5-18), it is used for controlling the break-make of bypass flow channel (5-18).
2. gases at high pressure integrated form pressure-reduction module according to claim 1, it is characterised in that: described admission pressure
Table (2) is communicated with the boost gauge runner (5-5) on valve body (5) by connecting tube (7), and boost gauge runner
(5-5) communicated with air inlet runner (5-3) by the second intermediate flow channel (5-15), be arranged on the admission pressure on valve body (5)
The valve rod (10-1) of table stop valve (10) is corresponding with the second intermediate flow channel (5-15), for control the second intermediate flow channel (5-15)
Break-make.
3. gases at high pressure integrated form pressure-reduction module according to claim 2, it is characterised in that: described valve body (5) is also
It is provided with the front pressure release runner (5-4) communicating with the second intermediate flow channel (5-15), be arranged on valve body (5) and go forward discharge valve (9)
Valve rod (9-1) corresponding with boost gauge runner (5-5), be used for controlling the break-make of boost gauge runner (5-5), front let out
Pressure head (8) is arranged on valve body (5) and above and communicates with front pressure release runner (5-4).
4. gases at high pressure integrated form pressure-reduction module according to claim 2, it is characterised in that: described front stop valve (4)
Valve rod (4-1) corresponding with front stop valve runner (5-2), front stop valve runner (5-2) one end communicates with air inlet runner (5-3),
The other end of front stop valve runner (5-2) is by front cut-off valve pocket (5-1) and transition runner (5-6) and the first intermediate flow channel (5-7) phase
Logical.
5. gases at high pressure integrated form pressure-reduction module according to claim 1, it is characterised in that: described pressure-reducing valve (3)
Main valve disc (3-1) be connected with valve seat (3-2), main valve disc (3-1) communicates with the first intermediate flow channel (5-7), spring base (3-11)
Being sealingly mounted on valve seat (3-2), the main spring (3-10) being enclosed within valve seat (3-2) withstands on valve seat (3-2) respectively
On convex shoulder and spring base (3-11), valve seat (3-2) is sealingly mounted at spring base (3-11) and above and can move axially, valve seat
(3-2) pass through the valve port (5-9) on valve body (5) and be arranged in the pilot hole of piston (3-12), valve seat (3-2)
It is positioned at valve port (5-9) place and is provided with radially air flue, and radial air flow is by axial air flue and the bottom of spring base (3-11)
Cavity communicates, and described piston (3-12) is sealingly mounted in the upper cavity of valve body (5), and piston (3-12) bottom
Decompression valve pocket (5-8) with decompression runner (5-10) and valve port (5-9) communicate, adjustment seat (3-8) is arranged on piston (3-12)
On, the sealing plate (3-9) being arranged on adjustment seat (3-8) bottom connects with the interior hole end surface of piston (3-12), regulates spiral shell
Nail (3-7) is screwed in adjustment seat (3-8) and above and connects with valve seat (3-2), and bonnet (3-4) is arranged on valve body (5),
The adjustable bonnet (3-4) that is arranged on of decompression adjusting rod (3-3) above and connects with upper adjusting seat (3-8), and relief spring (3-6) is arranged
Between piston (3-12) and upper adjustable plate (3-5) and withstand on piston (3-12) and upper adjustable plate (3-5).
6. gases at high pressure integrated form pressure-reduction module according to claim 1, it is characterised in that: described safety valve (1)
Safe valve disc (1-6) be connected on the lower projection of moveable emergency valve seat (1-7), have cone post lower spring cup (1-5)
Being arranged in the taper hole of emergency valve seat (1-7), safety valve cap (1-2) is arranged on valve body (5), is arranged on safety valve
Safe adjusting rod (1-1) on cap (1-2) connects with upper spring seat (1-3), and safety valve spring (1-4) is arranged on
Between spring base (1-3) and lower spring cup (1-5) and withstand on upper spring seat (1-3) and lower spring cup (1-5).
7. gases at high pressure integrated form pressure-reduction module according to claim 1, it is characterised in that: described outlet pressure
Table (12) is communicated with outlet pressure surface low road (5-11) by connecting tube (7), and outlet pressure surface low road (5-11) leads to
Crossing the 3rd intermediate flow channel (5-17) to communicate with going out flow channel (5-16), the outlet pressure table being arranged on valve body (5) cuts
Only the valve rod (16-1) of valve (16) is corresponding with the 3rd intermediate flow channel (5-17), for control the 3rd intermediate flow channel (5-17)
Break-make.
8. gases at high pressure integrated form pressure-reduction module according to claim 7, it is characterised in that: described valve body (5) is also
It is provided with the rear pressure release runner (5-12) communicating with the 3rd intermediate flow channel (5-17), be arranged on the upper rear discharge valve (17) of valve body (5)
Valve rod (17-1) corresponding with outlet pressure surface low road (5-11), be used for controlling the logical of outlet pressure surface low road (5-11)
Disconnected, rear pressure release head (18) is arranged on valve body (5) and above and communicates with rear pressure release runner (5-12).
9. gases at high pressure integrated form pressure-reduction module according to claim 1, it is characterised in that: described air inlet runner
(5-3) with decompression runner (5-10), there is same center line, and it is parallel with air inlet runner (5-3) to go out flow channel (5-16).
10. gases at high pressure integrated form pressure-reduction module according to claim 1, it is characterised in that: described bypass flow channel
(5-18) aperture is less than out the aperture of flow channel (5-16).
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| CN201510175873.0A CN106155126B (en) | 2015-04-14 | 2015-04-14 | High-pressure gas integrated pressure reduction module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510175873.0A CN106155126B (en) | 2015-04-14 | 2015-04-14 | High-pressure gas integrated pressure reduction module |
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| CN106155126B CN106155126B (en) | 2022-09-23 |
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| CN106885041A (en) * | 2017-05-03 | 2017-06-23 | 深圳安博智控科技有限公司 | A kind of liquefied petroleum gas valve safety detecting system |
| CN110107766A (en) * | 2019-04-28 | 2019-08-09 | 江苏沙洲阀门有限公司 | A kind of modularization reducer unit |
| CN110645380A (en) * | 2019-11-07 | 2020-01-03 | 天地科技股份有限公司上海分公司 | Water valve |
| CN110792816A (en) * | 2019-11-25 | 2020-02-14 | 上海舜华新能源系统有限公司 | A new type of integrated multifunctional pressure reducing valve |
| CN111579177A (en) * | 2020-06-22 | 2020-08-25 | 中国船舶重工集团公司第七0四研究所 | Portable all-in-one air tightness test device |
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|---|---|
| CN106155126B (en) | 2022-09-23 |
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