CN104235370A - Low-friction-coefficient sealing filling ring - Google Patents

Low-friction-coefficient sealing filling ring Download PDF

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Publication number
CN104235370A
CN104235370A CN201410368597.5A CN201410368597A CN104235370A CN 104235370 A CN104235370 A CN 104235370A CN 201410368597 A CN201410368597 A CN 201410368597A CN 104235370 A CN104235370 A CN 104235370A
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CN
China
Prior art keywords
friction
low coefficient
packing ring
flexible material
agent
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.)
Granted
Application number
CN201410368597.5A
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Chinese (zh)
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CN104235370B (en
Inventor
张军
马巧根
陈秋兰
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.)
SUZHOU GAS EQUIPMENT & VALVES MANUFACTURING Co.,Ltd.
Original Assignee
SUZHOU TONGLI ELECTRIC 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.)
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Publication date
Application filed by SUZHOU TONGLI ELECTRIC Co Ltd filed Critical SUZHOU TONGLI ELECTRIC Co Ltd
Priority to CN201610482248.5A priority Critical patent/CN106122476B/en
Priority to CN201410368597.5A priority patent/CN104235370B/en
Priority to CN201610483012.3A priority patent/CN106090220B/en
Priority to CN201610482613.2A priority patent/CN106090219B/en
Priority to CN201610482385.9A priority patent/CN105952898B/en
Priority to CN201610482405.2A priority patent/CN106051158B/en
Publication of CN104235370A publication Critical patent/CN104235370A/en
Application granted granted Critical
Publication of CN104235370B publication Critical patent/CN104235370B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
    • F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
    • F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
    • F16J15/125—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement generally perpendicular to the surfaces
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C08L5/04—Alginic acid; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00—Compositions of proteins; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/108—Special methods for making a non-metallic packing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
    • F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
    • F16J15/122—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement generally parallel to the surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/20—Packing materials therefor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention relates to a sealing filling ring, and belongs to the technical field of a sealing ring made of materials with metal. A low-friction-coefficient sealing filling ring comprises a plurality of layers of thin metal sheets and flaky low-friction-coefficient flexible materials, wherein the topmost layer and the bottommost layer of the sealing filling ring are provided with thin metal sheets, one layer of flaky low-friction-coefficient flexible material is arranged between the two adjacent thin metal sheets, and a plurality of convex holes and concave holes formed through punching processing are uniformly distributed in the thin metal sheets. The low-friction-coefficient sealing filling ring has the advantages that the friction coefficient is lower, and the occurrence of the problem of friction increase due to tooling or other reasons can be avoided.

Description

A kind of low coefficient of friction sealing drilled packing ring
Technical field
The present invention relates to a kind of sealing drilled packing ring, belong to the seal ring technical field made with metal.
Background technique
In the prior art, be generally used for static or that linear velocity is less axle class sealing drilled packing ring, formed with single flexible material, the structural strength of material is lower, the operating mode of elevated pressures can not be resisted, easily in use material is blown out by medium or weares and teares, also have and increase metal backup shoe or complexed metal braided wire to improve material strength problem on packing ring surface, but metal backup shoe is that level and smooth steel pool and flexible sealing material combination force are poor, leakage problem is there is when easily coming off during installation and use, only there is surface in metal backup shoe simultaneously, improve very limited to intensity, there is the not high problem of intensity too in metal knitted line, and when somewhere occurs that frock problem causes that between surface of contact, frictional force is excessive, can run out bearing, bring impact even can to this body structure of packing ring.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, proposes a kind of low coefficient of friction sealing drilled packing ring.
The present invention is the technological scheme solving the problems of the technologies described above proposition: a kind of low coefficient of friction sealing drilled packing ring comprises: some layers of sheet metal and sheet low coefficient of friction flexible material, the most top layer of described sealing drilled packing ring and the bottom are described sheet metal, be provided with sheet low coefficient of friction flexible material described in one deck between adjacent two-layer described sheet metal, described sheet metal be evenly distributed with multiple projecting apertures of spurt machining formation and multiple shrinkage pool.
Described sheet low coefficient of friction flexible material is made up of following mass percent raw material: 20% ~ 40% vegetable fiber, 20% ~ 30% inanimate matter, 5% ~ 10% immersion agent, 5% ~ 15% oiling agent, 5% ~ 15% water-thickening agent; Wherein, the mass percent of each component of described vegetable fiber is 10% ~ 60% castor-oil plant line, 15% ~ 40% linen thread, 0 ~ 20% ramie and 0 ~ 20% jute; The mass percent of each component of described inanimate matter is 35% ~ 65% graphite, 0 ~ 35% molybdenum disulfide and 0 ~ 35% silica, and the particle diameter of this inanimate matter is 2500 orders; Described immersion agent is the one of trimethoxy silane, silmethylene or purity 99% in ptfe emulsion; Described oiling agent is the one that castor-based lubricating oil, mineral base oil or PAO gather in the rare hydrocarbon artificial oil of ɑ; Described water-thickening agent is natural polymer and derivative thereof, comprising: one or more in starch, gelatin, sodium alginate, casein, guar gum, chitosan, Arabic gum, xanthans, soybean protein glue, natural rubber, wool fat, agar;
Described sheet low coefficient of friction flexible material is prepared as follows according to said components:
(1) described vegetable fiber normal temperature to be immersed in described immersion agent 24 ~ 48 hours;
(2) take out the vegetable fiber infiltrated in step (1) and carry out chopping process, the plant fiber length after chopping is less than 5mm;
(3) in the first Scattered Kettle, add described inanimate matter and described oiling agent successively, 800 revs/min of high-speed stirred, mix 10 ~ 15min;
(4) in the second Scattered Kettle, add the mixture of acquisition in the vegetable fiber after chopping and step (3) successively, abundant mixing, after 800 revs/min of high-speed stirred, then in the second Scattered Kettle, add water-thickening agent and with 50 ~ 150 revs/min of stirring at low speed until between the two without obvious layering;
(5) mixture obtained in step (4) is carried out evaporation process with 50 ~ 80 DEG C, make the mass percent of water in final mixture between 13% ~ 25%.
What described sheet metal was connected with flexible material layer is partially submerged in described projecting apertures and shrinkage pool.
Described foil material is one or more combination in stainless steel, galvanized sheet, copper.
Described shrinkage pool and projecting apertures are spaced.
The present invention adopts the beneficial effect of technique scheme to be: stuffing box packing is made up of multilayer loop structure by jointly, at sheet low coefficient of friction flexible material internal layer, the layer of metal foil being used for support rib effect and styling is set with outer, low coefficient of friction material can not be deformed because of extruding or the impact of other active forces, and be filled with ring relative to existing, the less normal operation not affecting pump of friction factor between itself and filler.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the present embodiment.
Embodiment
Embodiment
The low coefficient of friction sealing drilled packing ring of the present embodiment, as shown in Figure 1, be made up of four layers of sheet metal 1 and three-layer tablet shape low coefficient of friction flexible material 2, the most top layer of sealing drilled packing ring and the bottom are sheet metal 1, sheet low coefficient of friction flexible material 2 described in one deck is provided with between adjacent double layer of metal thin slice 1, as can be seen from the figure, the skeleton function of the double layer of metal thin slice 1 of inner side, sheet metal 1 styling in outside, limit whole low coefficient of friction flexible material 2 to form, sheet metal 1 is evenly distributed with multiple projecting apertures 3 and multiple shrinkage pool 4 of the formation of spurt machining, sheet metal 1 and low coefficient of friction flexible material 2 closely cooperate by projecting apertures 3 and projecting apertures 4.
What sheet metal 1 was connected with sheet low coefficient of friction flexible material 2 is partially submerged in projecting apertures 3 and shrinkage pool 4.
By in stainless steel, galvanized sheet, copper, one or more make sheet metal 1.
Shrinkage pool 4 and projecting apertures 3 are spaced.
Sheet low coefficient of friction flexible material is made up of following mass percent raw material: 20% ~ 40% vegetable fiber, 20% ~ 30% inanimate matter, 5% ~ 10% immersion agent, 5% ~ 15% oiling agent, 5% ~ 15% water-thickening agent; Wherein, the mass percent of each component of vegetable fiber is 10% ~ 60% castor-oil plant line, 15% ~ 40% linen thread, 0 ~ 20% ramie and 0 ~ 20% jute; The mass percent of each component of inanimate matter is 35% ~ 65% graphite, 0 ~ 35% molybdenum disulfide and 0 ~ 35% silica, and the particle diameter of inanimate matter is 2500 orders; Immersion agent is the one of trimethoxy silane, silmethylene or purity 99% in ptfe emulsion; Oiling agent is the one that castor-based lubricating oil, mineral base oil or PAO gather in the rare hydrocarbon artificial oil of ɑ; Water-thickening agent is natural polymer and derivative thereof, comprising: one or more in starch, gelatin, sodium alginate, casein, guar gum, chitosan, Arabic gum, xanthans, soybean protein glue, natural rubber, wool fat, agar;
Sheet low coefficient of friction flexible material is prepared as follows according to said components:
(1) described vegetable fiber normal temperature to be immersed in described immersion agent 24 ~ 48 hours;
(2) take out the vegetable fiber infiltrated in step (1) and carry out chopping process, the plant fiber length after chopping is less than 5mm;
(3) in the first Scattered Kettle, add inanimate matter and oiling agent successively, 800 revs/min of high-speed stirred, mix 10 ~ 15min;
(4) in the second Scattered Kettle, add the mixture of acquisition in the vegetable fiber after chopping and step (3) successively, abundant mixing, after 800 revs/min of high-speed stirred, then in the second Scattered Kettle, add water-thickening agent and with 50 ~ 150 revs/min of stirring at low speed until between the two without obvious layering;
(5) mixture obtained in step (4) is carried out evaporation process with 50 ~ 80 DEG C, make the mass percent of water in final mixture between 13% ~ 25%.
The present invention is not limited to above-described embodiment.All employings are equal to the technological scheme of replacing and being formed, and all drop on the protection domain of application claims.

Claims (5)

1. a low coefficient of friction sealing drilled packing ring, it is characterized in that comprising: some layers of sheet metal and sheet low coefficient of friction flexible material, the most top layer of described sealing drilled packing ring and the bottom are described sheet metal, be provided with sheet low coefficient of friction flexible material described in one deck between adjacent two-layer described sheet metal, described sheet metal be evenly distributed with multiple projecting apertures of spurt machining formation and multiple shrinkage pool.
2. low coefficient of friction sealing drilled packing ring as claimed in claim 1, is characterized in that described sheet low coefficient of friction flexible material is made up of following mass percent raw material: 20% ~ 40% vegetable fiber, 20% ~ 30% inanimate matter, 5% ~ 10% immersion agent, 5% ~ 15% oiling agent, 5% ~ 15% water-thickening agent; Wherein, the mass percent of each component of described vegetable fiber is 10% ~ 60% castor-oil plant line, 15% ~ 40% linen thread, 0 ~ 20% ramie and 0 ~ 20% jute; The mass percent of each component of described inanimate matter is 35% ~ 65% graphite, 0 ~ 35% molybdenum disulfide and 0 ~ 35% silica, and the particle diameter of this inanimate matter is 2500 orders; Described immersion agent is the one of trimethoxy silane, silmethylene or purity 99% in ptfe emulsion; Described oiling agent is the one that castor-based lubricating oil, mineral base oil or PAO gather in the rare hydrocarbon artificial oil of ɑ; Described water-thickening agent is natural polymer and derivative thereof, comprising: one or more in starch, gelatin, sodium alginate, casein, guar gum, chitosan, Arabic gum, xanthans, soybean protein glue, natural rubber, wool fat, agar;
Described sheet low coefficient of friction flexible material is prepared as follows according to said components:
(1) described vegetable fiber normal temperature to be immersed in described immersion agent 24 ~ 48 hours;
(2) take out the vegetable fiber infiltrated in step (1) and carry out chopping process, the plant fiber length after chopping is less than 5mm;
(3) in the first Scattered Kettle, add described inanimate matter and described oiling agent successively, 800 revs/min of high-speed stirred, mix 10 ~ 15min;
(4) in the second Scattered Kettle, add the mixture of acquisition in the vegetable fiber after chopping and step (3) successively, abundant mixing, after 800 revs/min of high-speed stirred, then in the second Scattered Kettle, add water-thickening agent and with 50 ~ 150 revs/min of stirring at low speed until between the two without obvious layering;
(5) mixture obtained in step (4) is carried out evaporation process with 50 ~ 80 DEG C, make the mass percent of water in final mixture between 13% ~ 25%.
3. low coefficient of friction sealing drilled packing ring as claimed in claim 2, is characterized in that: what described sheet metal was connected with flexible material layer is partially submerged in described projecting apertures and shrinkage pool.
4. low coefficient of friction sealing drilled packing ring as described in claim 1,2 or 3, is characterized in that: described foil material is one or more combination in stainless steel, galvanized sheet, copper.
5. low coefficient of friction sealing drilled packing ring as claimed in claim 4, is characterized in that: described shrinkage pool and projecting apertures are spaced.
CN201410368597.5A 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring Active CN104235370B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201610482248.5A CN106122476B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring
CN201410368597.5A CN104235370B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring
CN201610483012.3A CN106090220B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring and its production method
CN201610482613.2A CN106090219B (en) 2014-07-30 2014-07-30 The production method of sealing drilled packing ring
CN201610482385.9A CN105952898B (en) 2014-07-30 2014-07-30 Low-friction coefficient sealing drilled packing ring and its production method
CN201610482405.2A CN106051158B (en) 2014-07-30 2014-07-30 A kind of sealing drilled packing ring and its production method

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Application Number Priority Date Filing Date Title
CN201410368597.5A CN104235370B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring

Related Child Applications (5)

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CN201610483012.3A Division CN106090220B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring and its production method
CN201610482613.2A Division CN106090219B (en) 2014-07-30 2014-07-30 The production method of sealing drilled packing ring
CN201610482248.5A Division CN106122476B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring
CN201610482405.2A Division CN106051158B (en) 2014-07-30 2014-07-30 A kind of sealing drilled packing ring and its production method
CN201610482385.9A Division CN105952898B (en) 2014-07-30 2014-07-30 Low-friction coefficient sealing drilled packing ring and its production method

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CN104235370A true CN104235370A (en) 2014-12-24
CN104235370B CN104235370B (en) 2016-08-24

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CN201610482613.2A Active CN106090219B (en) 2014-07-30 2014-07-30 The production method of sealing drilled packing ring
CN201610483012.3A Active CN106090220B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring and its production method
CN201410368597.5A Active CN104235370B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring
CN201610482248.5A Active CN106122476B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring
CN201610482385.9A Expired - Fee Related CN105952898B (en) 2014-07-30 2014-07-30 Low-friction coefficient sealing drilled packing ring and its production method
CN201610482405.2A Active CN106051158B (en) 2014-07-30 2014-07-30 A kind of sealing drilled packing ring and its production method

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CN201610483012.3A Active CN106090220B (en) 2014-07-30 2014-07-30 A kind of low-friction coefficient sealing drilled packing ring and its production method

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CN201610482385.9A Expired - Fee Related CN105952898B (en) 2014-07-30 2014-07-30 Low-friction coefficient sealing drilled packing ring and its production method
CN201610482405.2A Active CN106051158B (en) 2014-07-30 2014-07-30 A kind of sealing drilled packing ring and its production method

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CN2121576U (en) * 1992-05-12 1992-11-11 张洪庆 High-strength graphitic sandwiched sealing gasket coated with teflon
CN1101602A (en) * 1993-10-09 1995-04-19 李儒臣 Super low sulfur graphite and metal composite reinforced gasket material and its making method
CN201434070Y (en) * 2009-04-20 2010-03-31 宁波信幸隆密封制品有限公司 Graphite composite sealing gasket
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CN106090220A (en) 2016-11-09
CN106051158B (en) 2017-09-29
CN105952898B (en) 2017-09-29
CN106090219B (en) 2017-12-08
CN106090220B (en) 2017-09-29
CN106122476B (en) 2017-11-21
CN106090219A (en) 2016-11-09
CN106122476A (en) 2016-11-16
CN105952898A (en) 2016-09-21
CN104235370B (en) 2016-08-24

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