CN106523777A - Heat preservation sampling valve - Google Patents

Heat preservation sampling valve Download PDF

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Publication number
CN106523777A
CN106523777A CN201611087935.3A CN201611087935A CN106523777A CN 106523777 A CN106523777 A CN 106523777A CN 201611087935 A CN201611087935 A CN 201611087935A CN 106523777 A CN106523777 A CN 106523777A
Authority
CN
China
Prior art keywords
steam
heat preservation
valve
valve rod
pipe
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.)
Pending
Application number
CN201611087935.3A
Other languages
Chinese (zh)
Inventor
瞿辉
郑寅
郭伟
吴楠
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.)
YANGZHOU VALVES FACTORY CO Ltd
Original Assignee
YANGZHOU VALVES FACTORY 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 YANGZHOU VALVES FACTORY CO Ltd filed Critical YANGZHOU VALVES FACTORY CO Ltd
Priority to CN201611087935.3A priority Critical patent/CN106523777A/en
Publication of CN106523777A publication Critical patent/CN106523777A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263Construction of housing; Use of materials therefor of lift valves multiple way valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K49/00Means in or on valves for heating or cooling
    • F16K49/005Circulation means for a separate heat transfer fluid

Abstract

The invention provides a heat preservation sampling valve. The heat preservation sampling valve comprises a valve body and a valve rod. The valve body comprises a connecting flange, a liquid flowing pipe, a stuffing box and a discharging opening. A pressing cap is arranged on the stuffing box, stuffing and a stuffing pad are arranged between the pressing cap and the stuffing box, and a heat preservation layer is arranged outside the liquid flowing pipe; and the heat preservation layer comprises a heat preservation shell and a heat preservation cavity, and a steam feeding pipe, a steam discharging pipe and a steam heat preservation flange are arranged on the heat preservation layer. According to the heat preservation sampling valve, the structure is simple, design is reasonable, the valve rod is matched with the pressing cap in a spaced mode, the axial direction is guaranteed, and the heat preservation sampling valve is not prone to bend; the valve rod and the discharging opening are sealed by adopting the taper of 60 degrees through a sealing block, and meanwhile steam circulates in the heat preservation layer through the steam feeding pipe and the steam discharging pipe, the steam heat preservation flange is arranged on the position of the steam feeding pipe and the steam discharging pipe, and the condition that steam heat energy is not lost is effectively guaranteed; and medium crystal is prevented when sampling, and the phenomena such as unsmooth sampling and jamming when the medium is sampled are prevented, so that smoothness of sampling process is guaranteed.

Description

A kind of insulation sampling valve
Technical field
The present invention relates to sampling valve field, particularly a kind of insulation sampling valve.
Background technology
O-chloronitrobenzene, molecular formula is C6H4ClNO2, light yellow needles.It is water insoluble, be dissolved in ethanol, ether and Benzene.It is pesticide, dyestuff, the important intermediate of medicine, can also makees the raw material of rubber accelerator.31-33 °C of fusing point, 246 ° of boiling point C, 25 °C of density 1.348g/mLat, vapour density 5.4 (vs air), 0.04 mm Hg of vapour pressure (25 °C), flash-point >230 °F, 0.43 g/L of water-soluble (20 C).
According to dielectric property, general sample cock is in the case where temperature is too low, it may appear that sampling valve is in sampling When, medium is crystallized, the generation of the phenomenon such as sampling has some setbacks, jam.
The content of the invention
For the problems referred to above, the present invention proposes a kind of insulation sampling valve.
For solving above technical problem, the technical scheme that the present invention is provided is:
A kind of insulation sampling valve, it is characterised in that including valve body and valve rod, the valve body includes adpting flange, walks liquid pipe, filler Letter and discharging gate, it is described walk liquid pipe be in hollow cylindrical, the adpting flange is located at away the horizontal two ends of liquid pipe, and with walk liquid pipe Horizontal two ends be fixedly connected, described filler letter is located at away upper end in the middle part of liquid pipe, and the discharging gate is located at away lower end in the middle part of liquid pipe, Stuffing-box is provided with gland, and the gland is coordinated by internal and external threads, is connected to the upper end of stuffing-box, between stuffing-box and gland Packing seat and filler is set gradually from bottom to top, and the valve rod sequentially passes through gland, filler, Packing seat from top to bottom, and insertion is walked In liquid pipe, and gap coordinates between gland, and is threadedly coupled with stuffing-box in the middle part of valve rod;
It is described walk liquid pipe be externally provided with heat-insulation layer, the heat-insulation layer includes insulation cladding and is located at insulation cladding and walks Cavity, the heat-insulation layer are provided with steam inlet tube and steam outlet pipe, and the steam inlet tube and steam outlet pipe are connected with heat insulation cavity Logical, one end of steam inlet tube and steam outlet pipe is fixed with steam insulation flange;
The discharging gate includes the tapping channel of centre, and in cylinder, the lower end of the valve rod is provided with sealing to the tapping channel Block, the sealing block are in inverted cone, and its longitudinal section is triangular in shape, the lower drift angle of the triangle that the section of sealing block is in Angle be α, the α be 60 °;
Further, the upper end of the valve rod is provided with handwheel, and the handwheel is fixedly installed on valve rod upper end by nuts and washers;
Further, the axis of the valve rod is same straight line with the axis of tapping channel;
Further, the cylinder for being in diameter greater than tapping channel of the upper disc of the inverted cone that the sealing block is in The diameter of shape.
Beneficial effects of the present invention are:
A kind of insulation sampling valve proposed by the present invention, including valve body and valve rod, valve body includes adpting flange, walks liquid pipe, stuffing-box And discharging gate, stuffing-box is provided with gland, is provided with filler, Packing seat between gland and stuffing-box, walk liquid pipe and be externally provided with heat-insulation layer, Heat-insulation layer includes insulation cladding and heat insulation cavity, and heat-insulation layer is provided with steam inlet tube and steam outlet pipe, and arranges steam insulation method Orchid, present configuration are simple, reasonable in design, and valve rod is coordinated with gland gap, it is ensured that axially, not flexible, valve rod and discharging gate Between by sealing block, using 60 ° of taper sealings, while passing through steam inlet tube and steam outlet pipe flowing steam in heat-insulation layer, steam Steam insulation flange is set at vapour inlet pipe and steam outlet pipe, steam thermal energy is effectively ensured and is not depleted, while when preventing sampling, being situated between Matter is crystallized, prevent medium occur during sampling sampling have some setbacks, the phenomenon such as jam, it is ensured that sampling process is unimpeded.
Description of the drawings
Fig. 1 schematic diagrams of the present invention.
Fig. 2 longitudinal cross-section views of the present invention.
Fig. 3 A-A are to section view.
Specific embodiment
A kind of insulation sampling valve as depicted, it is characterised in that including valve body 1 and valve rod 2, the valve body 1 includes connecting Acting flange 3, walk liquid pipe 4, stuffing-box 5 and discharging gate 6, it is described walk liquid pipe 4 be in hollow cylindrical, the adpting flange 3 is located at away The horizontal two ends of liquid pipe 4, and be fixedly connected with the horizontal two ends for walking liquid pipe 4, described filler letter 5 is located at away 4 middle part upper end of liquid pipe, The discharging gate 6 is located at away 4 middle part lower end of liquid pipe, and stuffing-box 5 is provided with gland 7, and the gland 7 is coordinated by internal and external threads, The upper end of stuffing-box 5 is connected to, Packing seat 8 and filler 9, the valve rod between stuffing-box 5 and gland 7, is set gradually from bottom to top 2 sequentially pass through gland 7, filler 9, Packing seat 8 from top to bottom, and insertion is walked in liquid pipe 4, and gap coordinates between gland 7, and valve It is threadedly coupled with stuffing-box 5 in the middle part of bar 2;
It is described walk liquid pipe 4 be externally provided with heat-insulation layer 10, the heat-insulation layer 10 includes insulation cladding 11 and is located at insulation cladding 11 and walks liquid Heat insulation cavity 12 between pipe 4, the heat-insulation layer 10 are provided with steam inlet tube 13 and steam outlet pipe 14, the steam inlet tube 13 and steaming Vapour outlet pipe 14 is connected with heat insulation cavity 12, and one end of steam inlet tube 13 and steam outlet pipe 14 is fixed with steam insulation flange 15;
The discharging gate 6 includes the tapping channel 16 of centre, and in cylinder, the lower end of the valve rod 2 sets the tapping channel 16 Have a sealing block 17, the sealing block 17 is in inverted cone, its longitudinal section is triangular in shape, the section of sealing block 17 be in three The angle of angular lower drift angle is α, and the α is 60 °;
Further, the upper end of the valve rod 2 is provided with handwheel 18, and the handwheel 18 passes through nut 19 and packing ring 20 is fixedly installed on 2 upper end of valve rod;
Further, the axis of the valve rod 2 is same straight line with the axis of tapping channel 16;
Further, the upper disc of the inverted cone that the sealing block 17 is in diameter greater than tapping channel 16 is in The diameter of cylinder.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, Should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims It is defined.

Claims (4)

1. it is a kind of to be incubated sampling valve, it is characterised in that including valve body and valve rod, the valve body includes adpting flange, walks liquid pipe, fills out Material letter and discharging gate, it is described walk liquid pipe be in hollow cylindrical, the adpting flange is located at away the horizontal two ends of liquid pipe, and with walk liquid The horizontal two ends of pipe are fixedly connected, and described filler letter is located at away upper end in the middle part of liquid pipe, and the discharging gate is located at away subordinate in liquid pipe End, stuffing-box are provided with gland, and the gland is coordinated by internal and external threads, is connected to the upper end of stuffing-box, stuffing-box and gland Between set gradually Packing seat and filler from bottom to top, the valve rod sequentially passes through gland, filler, Packing seat from top to bottom, insert Enter and walk in liquid pipe, and gap coordinates between gland, and be threadedly coupled with stuffing-box in the middle part of valve rod;
It is described walk liquid pipe be externally provided with heat-insulation layer, the heat-insulation layer includes insulation cladding and is located at insulation cladding and walks Cavity, the heat-insulation layer are provided with steam inlet tube and steam outlet pipe, and the steam inlet tube and steam outlet pipe are connected with heat insulation cavity Logical, one end of steam inlet tube and steam outlet pipe is fixed with steam insulation flange;
The discharging gate includes the tapping channel of centre, and in cylinder, the lower end of the valve rod is provided with sealing to the tapping channel Block, the sealing block are in inverted cone, and its longitudinal section is triangular in shape, the lower drift angle of the triangle that the section of sealing block is in Angle be α, the α be 60 °.
2. one kind as claimed in claim 1 is incubated sampling valve, it is characterised in that the upper end of the valve rod is provided with handwheel, described Handwheel is fixedly installed on valve rod upper end by nuts and washers.
3. one kind as claimed in claim 1 is incubated sampling valve, it is characterised in that the axis of the valve rod and tapping channel Axis is same straight line.
4. one kind as claimed in claim 1 is incubated sampling valve, it is characterised in that the inverted cone that the sealing block is in Upper disc the cylinder for being in diameter greater than tapping channel diameter.
CN201611087935.3A 2016-12-01 2016-12-01 Heat preservation sampling valve Pending CN106523777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611087935.3A CN106523777A (en) 2016-12-01 2016-12-01 Heat preservation sampling valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611087935.3A CN106523777A (en) 2016-12-01 2016-12-01 Heat preservation sampling valve

Publications (1)

Publication Number Publication Date
CN106523777A true CN106523777A (en) 2017-03-22

Family

ID=58353887

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611087935.3A Pending CN106523777A (en) 2016-12-01 2016-12-01 Heat preservation sampling valve

Country Status (1)

Country Link
CN (1) CN106523777A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB109576A (en) * 1917-02-26 1917-09-20 Rodolph Stuart O'neil Improvements in and connected with Stop Valves.
US3356335A (en) * 1965-03-31 1967-12-05 Whitey Research Tool Co Sample cylinder valve
CN104344027A (en) * 2013-07-23 2015-02-11 天津瑞杰天智科技发展有限公司 Multifunctional sampling valve
CN204479342U (en) * 2015-03-19 2015-07-15 山东钢铁股份有限公司 A kind of low temperature crystallization material on-line period device
CN206361241U (en) * 2016-12-01 2017-07-28 扬中市阀门厂有限公司 One kind insulation sampling valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB109576A (en) * 1917-02-26 1917-09-20 Rodolph Stuart O'neil Improvements in and connected with Stop Valves.
US3356335A (en) * 1965-03-31 1967-12-05 Whitey Research Tool Co Sample cylinder valve
CN104344027A (en) * 2013-07-23 2015-02-11 天津瑞杰天智科技发展有限公司 Multifunctional sampling valve
CN204479342U (en) * 2015-03-19 2015-07-15 山东钢铁股份有限公司 A kind of low temperature crystallization material on-line period device
CN206361241U (en) * 2016-12-01 2017-07-28 扬中市阀门厂有限公司 One kind insulation sampling valve

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