CN103910318A - Aseptic filling valve and application method thereof - Google Patents
Aseptic filling valve and application method thereof Download PDFInfo
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- CN103910318A CN103910318A CN201410079294.1A CN201410079294A CN103910318A CN 103910318 A CN103910318 A CN 103910318A CN 201410079294 A CN201410079294 A CN 201410079294A CN 103910318 A CN103910318 A CN 103910318A
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- connection block
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- filling valve
- adapter sleeve
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Abstract
The invention discloses an aseptic filling valve. According to the invention, since the joint part of a blocking rod and a double-stroke cylinder and a guiding structure of the blocking rod are arranged out of an aseptic area, fine gaps of joint parts in the aseptic area are eliminated, so the purpose of no dead space in a valve body is realized; meanwhile, an aseptic area isolation technical scheme is optimized, and the aseptic filling valve is capable of realizing filling of high-viscosity materials through hermetic sealing and differential pressure technology.
Description
Technical field
The present invention relates to a kind of aseptic filling valve.
Background technology
In prior art, the blocked shot of aseptic filling valve inside is enclosed within valve inner by righting and in vertical location status by grid, or arrange on blocked shot surface guide vane make himself at valve inner in vertical location status, the line of centers of blocked shot overlaps with the line of centers of valve body.No matter adopt grid cover or guide vane structure, capital makes valve inner surface form recessed joint or finedraw, these recessed joints or finedraw produce the dead angle area that is unfavorable for cleaning in aseptic filling valve cleaning process, cause and clean sordid problem, directly affect the product design of sterile filling production gained.The reason that recessed joint or finedraw cause is that between two adjacent surfaces, near distance and angle are less acute angle.Cause the major cause of this fault of construction to be in usual design that valve body is directly used in and connect relevantly with sterile filling threshold switch power unit, blocked shot and power output position are directly connected, limited space between valve body and switch power unit.For example, in the Chinese patent that on September 5th, 2012, disclosed publication number was CN101590993B, a kind of aseptic filling valve is disclosed, this aseptic filling valve comprises valve body and the valve rod with spool, it is provided with the lever with ovable valve stem lifting, the side of described valve body has lever and stretches into mouth, described lever stretches into valve body from valve body side, described aseptic filling valve is also provided with the flexible partition being enclosed within on lever, and described flexible partition and lever are sealed and matched and seal lever and stretch into the valve body at place.Valve rod is blocked shot, and its surface is provided with guide vane, and valve rod keeps the distance between valve body by guide vane.Free-running fit between guide vane and valve body, therefore between the surface of guide vane position and guide vane, there is finedraw at valve inner, affected by guide vane working accuracy and setting accuracy, finedraw skewness, and then cause the connection tightness degree between guide vane and valve body different.Once liquid enters finedraw, be adsorbed and cannot flow, the dead angle area that is difficult to so finedraw place to form in cleaning process effectively cleans.Lever is as power transmission member, between it and blocked shot, must be connected, and connects the tolerance clearance causing and also can form dead angle area, and then be unfavorable for the cleaning operation of aseptic area.
This type of aseptic filling valve with barrier film is not suitable for the fill operations of the material of thickness.Because need to press to material in the time of the material of filling thickness, so that material can flow in delivery duct, so be subject to the pressure coming from material transmission at aseptic filling valve, in service life of pressure environment lower diaphragm plate, extremely short and barrier film cannot meet the needs of normal fill operations.
Summary of the invention
The technical problem to be solved in the present invention is the problem of valve inner dead angle area, provides a kind of valve inner bright and clean, smooth aseptic filling valve.
Another technical purpose of the present invention is the connection location of blocked shot and other power transmission member to be placed in the place beyond aseptic area, the adverse effect of the tolerance clearance between elimination blocked shot and other power transmission member to aseptic area.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: this aseptic filling valve comprises valve body, blocked shot, Connection Block, adapter sleeve, double stroke cylinder, the cylinder body of described double stroke cylinder is fixedly connected with one end of adapter sleeve, the other end of described adapter sleeve is connected with one end liquid sealing of Connection Block, one end of described Connection Block is connected with one end liquid sealing of valve body, described blocked shot is positioned at valve body, Connection Block, in adapter sleeve, the piston rod of described double stroke cylinder is positioned at adapter sleeve and is fixedly connected with one end of blocked shot, between described blocked shot and adapter sleeve, be connected by sealing shroud liquid sealing, the described blocked shot other end is provided with sealing surface I, described valve interior surface is provided with sealing surface II, described blocked shot is only connected with valve body in sealing surface I position and is only connected with sealing surface II liquid sealing, described Connection Block side is provided with inlet point, described Connection Block is provided with steam cavity between inlet point and this end of Connection Block and adapter sleeve, described blocked shot is all connected with Connection Block vapor seal at the two ends of steam cavity, described Connection Block is provided with the induction opening and the air gate that are communicated with steam cavity, described inlet point is communicated with valve inner, described adapter sleeve is inner isolated with valve inner.
Adapter sleeve, Connection Block, valve body link together, and three is in the same center line.Adapter sleeve is connected with blocked shot liquid sealing by sealing shroud, sealing shroud not only plays sealing function, also play guiding restriction, make sealing shroud maintained blocked shot in valve body in vertical location status, this vertical location status is the line of centers of valve body and the line of centers of blocked shot overlaps.The aseptic area of valve inner and non-sterile region isolate by steam cavity, steam cavity itself in germ-free condition, it also carries out disinfecting action to the blocked shot position in steam cavity.Between blocked shot and valve body, only playing the position contact of on-off action, the position relationship in separating between other position, makes the inside face of blocked shot surface and valve body bright and clean and smooth, there is no the structure of recessed joint and finedraw.Aseptic area is distributed on valve body and Connection Block, between blocked shot and Connection Block vapor seal be connected after aseptic area have to be in communication with the outside at inlet point and the discharging opening place of valve body, when blocked shot work, do straight reciprocating motion along the bearing of trend of its line of centers, blocked shot motion all can be passed through steam cavity, and the environment that is formed for sterilizing in steam cavity can carry out sterilization operation to the blocked shot position of stretching into aseptic area.The effect of Connection Block is not only to connect valve body and adapter sleeve, also by three-port structure, material conveying passage is introduced in valve body.The piston rod of blocked shot and double stroke cylinder forms annexation in adapter sleeve, therefore, the connection location of blocked shot and power transmission member is positioned at outside aseptic area, certainly will improve like this cleaning performance of valve inner, has vital function to maintaining valve inner germ-free condition.
The environment that is formed for sterilizing can adopt chemical reagent sterilizing, ray sterilizing, hot air sterilization, moist heat sterilization, filtration sterilization etc.Because steam cavity is separate chamber, the sterilization functions of vapor chamber is only for blocked shot surface, and blocked shot contacts with material, thus can adopt wet heat sterilization method, such as passing into saturated steam, boiling water or flowing steam.No matter be saturated steam, boiling water or flowing steam, three's pressure all can be greater than ambient atmosphere pressure, and in the higher state of temperature, compare all states in High Temperature High Pressure of ambient atmosphere environment three, saturated steam, boiling water or the flowing steam steam cavity of flowing through all can press to Connection Block, blocked shot and sealing member, and therefore this Connection Block is pressure-resistance structure in the structure at steam cavity place.
In order to form sufficiently long air flow path in steam cavity, as of the present invention preferred, described induction opening and the air gate bearing of trend along the line of centers of blocked shot on Connection Block is dislocatedly distributed, and described induction opening is less than the distance of air gate to adapter sleeve to the distance of adapter sleeve.So, the path of gas flow can be with longer length distribution in steam cavity.But in order to reach the longest gas flow paths, described induction opening and air gate are positioned at the both sides of Connection Block.
When aseptic filling valve uses, in vertical state, under use state, induction opening is positioned at above air gate, and as of the present invention preferred, described air gate is positioned at the end of steam cavity, and a side of the bottom of steam cavity and the inwall of air gate maintains an equal level like this.The advantage of this structure can be discharged from from air gate by aseptic filling valve temperature condensed water low and that form while being to start aseptic filling valve, improves the sterilization effect of steam cavity.
The surface, blocked shot position of turnover aseptic area is necessary for germ-free condition, and need certain hour when the sterile medium of High Temperature High Pressure is to blocked shot surface sterilizing in vapor chamber, if exchange the germ-free condition on blocked shot surface for by elapsed time, can make the action of blocked shot slack-off, reduce the work efficiency of aseptic filling valve.Therefore, adopt the scheme that allows the surface, blocked shot position of turnover aseptic area remain germ-free condition in the present invention, of the present invention preferred, the length of described steam cavity is more than or equal to the maximum spacing between sealing surface I and sealing surface II.Spacing between sealing surface I and sealing surface II is relevant with the movement position of blocked shot, this distance values equals the straight-line displacement amount of blocked shot, the length that is steam cavity is more than or equal to blocked shot straight-line displacement amount, so blocked shot contact with valve body after the position of aseptic area of living in the time that blocked shot does not contact with valve body, only enter in steam cavity, and can not pass steam cavity.
The mode of operation of blocked shot is linear reciprocating motion, and the air-tight structure that is positioned at steam cavity two ends is applicable to this mode of motion of blocked shot.Blocked shot is column structure, if blocked shot generation rotation can produce cliding friction to air-tight structure in the direction around blocked shot line of centers in working process, make hermetically-sealed construction change and cannot play best vapor seal effect in the party's seal form upwards, air-tight structure is impaired thus.In order to prevent blocked shot rotation in the course of the work, the linear reciprocating motion of restriction blocked shot on only doing axially, as of the present invention preferred, between the piston rod of described double stroke cylinder and blocked shot, be fixedly connected with by anti-rotation assembly, described anti-rotation assembly comprises contiguous block, orienting lug, described contiguous block is provided with the mounting groove I that cross-sectional plane is T shape, the cross-sectional plane of described blocked shot one end is T-shaped, described blocked shot is embedded in mounting groove I and is connected with contiguous block by this T-shaped end of cross-sectional plane, described orienting lug is fixedly connected on contiguous block, described contiguous block is fixedly connected with the piston rod of double stroke cylinder, described adapter sleeve is provided with two parallel confined planes, the line of centers bearing of trend of described blocked shot is parallel to confined planes, described orienting lug between two confined planes and with confined planes free-running fit.Between contiguous block and blocked shot, by the connection mode of T shape structure, also free-running fit is between the two connected as a single entity contiguous block in the direction of the line of centers around blocked shot with blocked shot; Orienting lug and contiguous block are also connected as a single entity, motion between the confined planes that orienting lug provides at adapter sleeve, blocked shot is subject to again the guiding restriction of sealing shroud, therefore make contiguous block or to be parallel to the square upward movement of the bearing of trend of blocked shot line of centers at the bearing of trend of blocked shot line of centers.
Anti-rotation assembly plays the effect that connects piston rod and blocked shot, and the while impels blocked shot only to carry out linear reciprocating motion under the guiding restriction of the confined planes of adapter sleeve.
Double stroke cylinder provides thrust and pulling force, in order to keep the high pass efficiency of power, reduces the wearing and tearing of power transmission member, and as of the present invention preferred, the line of centers of described piston rod overlaps with the line of centers of blocked shot.Axially overlapping with the axial of blocked shot of piston rod, the transmission of power distance between two parts like this is short, convenient for the connection structure simplicity of design of power transmission member between the two.Under power transmission member prerequisite simple in structure, be easy to the additional design that realizes other function and make, therefore, this structure also plays the effect that blocked shot is controlled by other parts of being convenient to, for example, implement to prevent the function of blocked shot rotation.
Produce finedraw for placing Connection Block inside face and valve interior surface at joining place, between described Connection Block and valve body, be connected by seal ring, described seal ring deformation is protruded at Connection Block inside face and valve interior surface.So, the angle that the angle between bottom surface and the Connection Block inside face of seal ring is greater than between another bottom surface and the valve interior surface of 90 degree, seal ring is greater than 90 degree, therefore can not produce finedraw between seal ring and Connection Block, valve body.
Material is controlled by the coupled condition between blocked shot and valve body after entering valve body, sealing surface I be connected with sealing surface II after material can not pass through valve body, after sealing surface I separates with sealing surface II material in valve body to outflow.The separating distance of the mobile limited amount of material within the unit time between sealing surface I and sealing surface II, between sealing surface I and sealing surface II, mass flow is little when near distance, between sealing surface I and sealing surface II, mass flow is large when distance.For realizing flow control, as of the present invention preferred, described double stroke cylinder for two go out bar type structure, spacing assembly is installed on the cylinder body of described double stroke cylinder, described spacing assembly comprises spacer sleeve, spacing nut, described spacer sleeve is fixed on the cylinder body of double stroke cylinder, and another piston rod of described double stroke cylinder passes spacer sleeve and is fixedly connected with spacing nut, and described spacer sleeve is positioned in the path of motion of spacing nut.The forced stroke of double stroke cylinder has comprised the first stroke and the second stroke, the first stroke as opening travel, the second stroke as range, spacing assembly can only limit the opening travel of double stroke cylinder, and the minimum opening degree of controlling the relative valve body of blocked shot with this is the minor increment after blocked shot separates with valve body.
The 3rd technical purpose of the present invention is to provide a kind of using method that is applicable to above-mentioned aseptic filling valve, and the method can make this aseptic filling valve be applicable in the operation of the large material-filling of viscosity.
When use, steam cavity passes into steam, pressure in described steam cavity is greater than the pressure of valve inner, described inlet point is connected with mass transport pipeline, when filling, first aseptic filling valve is aimed at the opening of container, and double stroke cylinder is opened the first stroke, aseptic filling valve with low discharge to container filling material, then double stroke cylinder is opened the second stroke, aseptic filling valve with large flow to container filling material, until filling end.
Steam cavity passes into the gaseous steam of High Temperature High Pressure, and in material input valve body, the pressure in formation steam cavity is greater than the pressure of valve inner, causes two places to have pressure reduction.This pressure reduction is that the material in valve body can not flow to the important leverage in steam cavity, another important leverage is the air-tight seal connecting structure between blocked shot and Connection Block, both combineds action guarantee that aseptic filling valve can the low material of filling viscosity, also can be filling with the high material of the viscosity of pressure.
For further meeting the requirement of filling full-bodied material, as of the present invention preferably, described steam temperature is that 125 degrees Celsius to 130 degrees Celsius, pressure are that 200 Paasches snap into 400 pascals.
The present invention adopts technique scheme: this aseptic filling valve by the connecting portion of blocked shot and double stroke cylinder and the guide frame of blocked shot be all arranged in aseptic area outside, eliminate the finedraw of connecting portion in aseptic area, reached the object of valve inner without dead angle area.Meanwhile, optimize the isolated technical scheme of aseptic area, by vapor seal and pressure reduction technology, make the aseptic filling valve can the high material of filling viscosity.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.
Fig. 1 is the structural representation of aseptic filling valve of the present invention;
Fig. 2 is the contiguous block of aseptic filling valve of the present invention and the scheme of installation of blocked shot;
Fig. 3 is the structural representation of the anti-rotation assembly of aseptic filling valve of the present invention;
Fig. 4 is the structural representation of the adapter sleeve of aseptic filling valve of the present invention;
Fig. 5 is the cutaway view of Fig. 4 at A-A place;
Fig. 6 is the partial enlarged drawing of Fig. 1 at A place;
Fig. 7 is the partial enlarged drawing of Fig. 1 at B place;
Fig. 8 is the partial enlarged drawing of Fig. 1 at C place;
Fig. 9 is the partial enlarged drawing of Fig. 1 at D place.
The specific embodiment
As shown in Figure 1, aseptic filling valve comprises double stroke cylinder 1, adapter sleeve 2, Connection Block 3, valve body 4, blocked shot 5, anti-rotation assembly, spacing assembly, and adapter sleeve 2, Connection Block 3, valve body 4 are all the structure of hollow.
Double stroke cylinder 1 for two go out bar type structure, protrude at the two ends of cylinder body at the piston rod of double stroke cylinder 1, one of them piston rod is used for providing power, this double stroke cylinder 1 has two strokes.The cylinder body of double stroke cylinder 1 is fixedly connected with by clip with adapter sleeve 2, and the piston rod of cylinder body one end stretches in adapter sleeve 2 inside; Spacing assembly is arranged on cylinder body, and spacing assembly comprises spacer sleeve 7, spacing nut 8, and spacer sleeve 7 is fixed by screws on cylinder body, and the piston rod of the cylinder body other end is fixed on this piston rod through spacer sleeve 7, spacing nut 8.Spacing nut 8 is with the piston rod movement of double stroke cylinder 1, and spacer sleeve 7 is positioned in the path of motion of spacing nut 8, when spacing nut 8 during away from cylinder body spacing nut 8 away from spacer sleeve 7, otherwise, spacing nut 8 during near cylinder body spacing nut 8 near spacer sleeve 7; Therefore, spacing nut 8 is followed when piston rod does the motion near cylinder body and is finally subject to stopping of spacer sleeve 7, makes the position limitation of spacing nut 8 in a side of spacer sleeve 7; By the position of spacer sleeve 7 on cylinder body is set, can limit the movement position of spacing nut 8.Spacing nut 8 links together with piston rod, and spacing nut 8 is defined one of them stroke of double stroke cylinder 1 to the stroke limiting of spacer sleeve 7.
Between adapter sleeve 2 and Connection Block 3, be fixedly connected with by clip.Connection Block 3 is fixedly connected with by screw with valve body 4.Blocked shot 5 is positioned at valve body 4, Connection Block 3, adapter sleeve 2.Blocked shot 5 is direct rod shape structure.
Blocked shot 5 stretches in adapter sleeve 2.This end that blocked shot 5 stretches in adapter sleeve 2 is cylindrical-shaped structure, between this end of blocked shot 5 and the piston rod stretching in adapter sleeve 2, is connected by anti-rotation assembly.As shown in Fig. 1,2,3,4,5,6, anti-rotation assembly comprises contiguous block 9, orienting lug 10.Contiguous block 9 is provided with the mounting groove I 11 that cross-sectional plane is T shape, and mounting groove I 11 is through structure, both ends open.This end that blocked shot 5 is positioned at adapter sleeve 2 is column structure, and it forms two breach in relative both sides of line of centers symmetry by cutting, makes the cross-sectional plane of parallel its line of centers in one end of blocked shot 5 T-shaped; Blocked shot 5 is embedded in mounting groove I 11 and is connected with contiguous block 9 by this T-shaped end of cross-sectional plane.Contiguous block 9 is fixedly connected with by screw thread with the piston rod stretching in adapter sleeve 2, and the line of centers of blocked shot 5 and piston rod overlaps.Orienting lug 10 is fixedly connected on contiguous block 9 by screw, in adapter sleeve 2, be provided with two parallel confined planes 12, the line of centers bearing of trend of blocked shot 5 is parallel to confined planes 12, orienting lug 10 between two confined planes 12 and with confined planes 12 free-running fits, make orienting lug 10 follow contiguous block 9 and can only do straight-line motion in adapter sleeve 2 inside.Double stroke cylinder 1 stretches into piston rod in adapter sleeve 2 for power is provided, piston rod is connected with blocked shot 5 by anti-rotation assembly, reach the object that stops blocked shot 5 rotations, simultaneously anti-rotation assembly as power transmission member by the transmission of power of double stroke cylinder 1 to blocked shot 5, drive blocked shot 5 do straight reciprocating motion.Blocked shot 5 motion of taking advantage of a situation after the piston rod of double stroke cylinder 1 pulls or promotes anti-rotation assembly, keeps synchronizeing with this piston rod all the time.Between blocked shot 5 and adapter sleeve 2, be connected by sealing shroud 13 liquid sealings.Sealing shroud 13 not only provides liquid sealing function, also blocked shot 5 is played to righting-oriented effect, make blocked shot 5 in valve body 4 inside in vertical state, the line of centers of blocked shot 5 overlaps with the line of centers of valve body 4 like this.Blocked shot 5 surfaces can separate completely with valve body 4 inside faces.
As shown in Fig. 1,7, Connection Block 3 is provided with steam cavity 16 at this end being connected with adapter sleeve 2, Connection Block 3 is provided with induction opening 17 and air gate 18, induction opening 17 and air gate 18 are all communicated with steam cavity 16, and induction opening 17 and air gate 18 bearing of trend along the line of centers of blocked shot 5 on Connection Block 3 is dislocatedly distributed, induction opening 17 is less than air gate 18 distance to adapter sleeve 2 to the distance of adapter sleeve 2, and induction opening 17 and air gate 18 are positioned at the location status that the line of centers of both sides, the relative blocked shot 5 of Connection Block 3 is symmetric.Condense in the condensed water in steam cavity 16 in order to discharge the use initial stage, air gate 18 is positioned at the end of steam cavity 16, and a side of the inwall of the bottom of steam cavity 16 and air gate 17 maintains an equal level like this.Blocked shot 5 is all connected with Connection Block 3 vapor seals by seal ring at the two ends of steam cavity 16, and Connection Block 3 is two chambers of inner formation under the partition effect of sealing circle; As shown in Figure 1, Connection Block 3 is provided with inlet point 19, and inlet point 19 is just to blocked shot 5 positions; A chamber is that aseptic area is communicated with inlet point 19, another chamber is steam cavity 16.16 of steam cavities are communicated with outside by induction opening 17 and air gate 18.
As shown in Figure 8, between Connection Block 3 and valve body 4, be connected by seal ring 15 liquid sealings, seal ring 15 deformation are protruded at Connection Block 3 inside faces and valve body 4 inside faces.So, the angle that angle between bottom surface and Connection Block 3 inside faces of seal ring 15 is greater than between another bottom surface and valve body 4 inside faces of 90 degree, seal ring 15 is greater than 90 degree, therefore can not produce finedraw between seal ring 15 and Connection Block 3, valve body 4.
As shown in Figure 9, one end of blocked shot 5 is provided with sealing surface I 6, and this end that blocked shot 5 is provided with sealing surface I 6 is positioned at valve body 4; Valve body 4 inside faces are provided with sealing surface II 14.Under aseptic filling valve initial condition, double stroke cylinder 1 stretches out completely, and blocked shot 5 links together at the position that is provided with separately sealing surface with 4 of valve bodies, and between sealing surface I 6 and sealing surface II 14, liquid sealing is connected; Blocked shot 5 other positions do not contact with valve body 4.In the case, blocked shot 5 makes the space of valve body 4 inside, space and the space outerpace isolation of Connection Block 3 inside form aseptic area, pipeline communication, aseptic area and the pipeline communication of inlet point 19 and convey materials with the vapor seal connecting portion of Connection Block 3.Aseptic filling valve is in container when filling material, aseptic filling valve is aimed at the opening of container, induction opening 17 is connected steam generation pipeline with air gate 18, steam generator tube road direction steam cavity 16 interior input steam temperatures are that 125 degrees Celsius, pressure are 200 pascals' gaseous steam, blocked shot 5 surfaces that are positioned at steam cavity 16 are subject to steam effect and have done sterilization treatment, and the blocked shot position after sterilizing enters adapter sleeve 2 positions.Steam High Temperature High Pressure, its latent heat is large, bite is strong, easily makes protein denaturation or solidifies, and finally causes microbial death.
Double stroke cylinder 1 is opened the first stroke, blocked shot 5 is pulled, blocked shot 5 and valve body 4 depart from, blocked shot 5 is to double stroke cylinder 1 position motion and through steam cavity 16, the steam of the condition of high temperature in steam cavity 16 constantly carries out sterilization treatment to blocked shot 5 surfaces, meanwhile between sealing surface I 6 and sealing surface II 14, separate but distance is less, after pouring into material, open again the second stroke, make distance between sealing surface I 6 and sealing surface II 14 in maximum rating; Because the length of steam cavity 16 is longer, this length is greater than the straight-line displacement amount of blocked shot 5, and the length of steam cavity 16 is greater than the maximum spacing between sealing surface I 6 and sealing surface II 14, and the position that now blocked shot 5 departs from from aseptic area is only positioned at steam cavity 16.Double stroke cylinder 1 counter motion after filling completing, blocked shot 5 is pushed and pushes up to valve body 4.Steam cavity 16 is passed through at the position that departs from steam cavity 16 on blocked shot 5 again, thus the sterilizing again of blocked shot 5 surfaces; Blocked shot 5 is positioned at the position of steam cavity 16 originally, remains germ-free condition, in the time that blocked shot 5 is pushed to valve body 4, extend in aseptic area.The first stroke of double stroke cylinder 1 as opening travel, the second stroke as range, spacing assembly can only limit the opening travel of double stroke cylinder 1, and the minimum opening degree of controlling blocked shot 5 relative valve bodies 4 with this is the minor increment after blocked shot 5 separates with valve body 4.
Steam temperature and vapor pressure can be adjusted according to operating mode, for example in the time of the high material of filling viscosity steam temperature can to select 126 degrees Celsius, pressure be 250 pascals; Also can be that steam temperature is 127 degrees Celsius, pressure be 250 pascals; Also can be that steam temperature is 125 degrees Celsius, pressure be 300 pascals; Also can be that steam temperature is 125 degrees Celsius, pressure be 400 pascals; Also can be that steam temperature is 126 degrees Celsius, pressure be 200 pascals; Also can be that steam temperature is 126 degrees Celsius, pressure be 300 pascals; Also can be that steam temperature is 126 degrees Celsius, pressure be 400 pascals; Also can be that steam temperature is 127 degrees Celsius, pressure be 200 pascals; Also can be that steam temperature is 127 degrees Celsius, pressure be 300 pascals; Also can be that steam temperature is 127 degrees Celsius, pressure be 400 pascals; Also can be that steam temperature is 128 degrees Celsius, pressure be 200 pascals; Also can be that steam temperature is 128 degrees Celsius, pressure be 300 pascals; Also can be that steam temperature is 128 degrees Celsius, pressure be 400 pascals; Also can be that steam temperature is 129 degrees Celsius, pressure be 200 pascals; Also can be that steam temperature is 129 degrees Celsius, pressure be 300 pascals; Also can be that steam temperature is 129 degrees Celsius, pressure be 400 pascals; Also can be that steam temperature is 130 degrees Celsius, pressure be 200 pascals; Also can be that steam temperature is 130 degrees Celsius, pressure be 300 pascals; Also can be that steam temperature is 130 degrees Celsius, pressure be 400 pascals.Be that 125 degrees Celsius to 130 degrees Celsius, pressure are that 200 Paasches snap within the scope of 400 pascals and regulate temperature, pressure can make this aseptic filling valve meet filling requirement at steam temperature.
In the high material-filling process of viscosity, need certain pressure to maintain the fluid ability of material, therefore can be at the inner pressure that forms of valve body 4, be connected because the vapor pressure in steam cavity 16 is greater than vapor seal between material pressure, blocked shot 5 and Connection Block 3, material be blocked in aseptic area and the steam cavity 16 of can not flowing through.
In above-described embodiment, guaranteeing that under the prerequisite of higher working accuracy and assembly precision, the length of steam cavity 16 also can be designed to equal the maximum spacing between sealing surface I 6 and sealing surface II 14.
Claims (11)
1. an aseptic filling valve, it is characterized in that: this aseptic filling valve comprises valve body (4), blocked shot (5), Connection Block (3), adapter sleeve (2), double stroke cylinder (1), the cylinder body of described double stroke cylinder (1) is fixedly connected with one end of adapter sleeve (2), the other end of described adapter sleeve (2) is connected with one end liquid sealing of Connection Block (3), one end of described Connection Block (3) is connected with one end liquid sealing of valve body (4), described blocked shot (5) is positioned at valve body (4), Connection Block (3), in adapter sleeve (2), the piston rod of described double stroke cylinder (1) is positioned at adapter sleeve (2) and is fixedly connected with one end of blocked shot (5), between described blocked shot (5) and adapter sleeve (2), be connected by sealing shroud (13) liquid sealing, described blocked shot (5) other end is provided with sealing surface I (6), described valve body (4) inside face is provided with sealing surface II (14), described blocked shot (5) is only connected with valve body (4) in sealing surface I (6) position and is only connected with sealing surface II (14) liquid sealing, described Connection Block (3) side is provided with inlet point (19), described Connection Block (3) is provided with steam cavity (16) between inlet point (19) and Connection Block (3) and this end of adapter sleeve (2), described blocked shot (5) is all connected with Connection Block (3) vapor seal at the two ends of steam cavity (16), described Connection Block (3) is provided with the induction opening (17) and the air gate (18) that are communicated with steam cavity (16), described inlet point (19) and valve body (4) internal communication, described adapter sleeve (2) is inner inner isolated with valve body (4).
2. aseptic filling valve according to claim 1, it is characterized in that: described induction opening (17) and air gate (18) are dislocatedly distributed at the bearing of trend of the upper line of centers along blocked shot (5) of Connection Block (3), described induction opening (17) is less than the distance of air gate (18) to adapter sleeve (2) to the distance of adapter sleeve (2).
3. aseptic filling valve according to claim 2, is characterized in that: described induction opening (17) and air gate (18) are positioned at the both sides of Connection Block (3).
4. aseptic filling valve according to claim 2, is characterized in that: described air gate (18) is positioned at the end of steam cavity (16).
5. aseptic filling valve according to claim 1, is characterized in that: the length of described steam cavity (16) is more than or equal to the maximum spacing between sealing surface I (6) and sealing surface II (14).
6. aseptic filling valve according to claim 1, it is characterized in that: between the piston rod of described double stroke cylinder (1) and blocked shot (5), be fixedly connected with by anti-rotation assembly, described anti-rotation assembly comprises contiguous block (9), orienting lug (10), described contiguous block (9) is provided with the mounting groove I (11) that cross-sectional plane is T shape, the cross-sectional plane of described blocked shot (5) one end is T-shaped, described blocked shot (5) is embedded in mounting groove I (11) and is connected with contiguous block (9) by this T-shaped end of cross-sectional plane, described orienting lug (10) is fixedly connected on contiguous block (9), described contiguous block (9) is fixedly connected with the piston rod of double stroke cylinder (1), described adapter sleeve (2) is provided with two parallel confined planes (12), the line of centers bearing of trend of described blocked shot (5) is parallel to confined planes (12), described orienting lug (10) be positioned between two confined planes (12) and with confined planes (12) free-running fit.
7. aseptic filling valve according to claim 1, is characterized in that: the line of centers of described piston rod overlaps with the line of centers of blocked shot (5).
8. aseptic filling valve according to claim 1, it is characterized in that: between described Connection Block (3) and valve body (4), be connected by seal ring (15), described seal ring (15) deformation is protruded at Connection Block (3) inside face and valve body (4) inside face.
9. aseptic filling valve according to claim 1, it is characterized in that: described double stroke cylinder (1) for two go out bar type structure, on the cylinder body of described double stroke cylinder (1), spacing assembly is installed, described spacing assembly comprises spacer sleeve (7), spacing nut (8), described spacer sleeve (7) is fixed on the cylinder body of double stroke cylinder (1), another piston rod of described double stroke cylinder (1) passes spacer sleeve (7) and is fixedly connected with spacing nut (8), described spacer sleeve (7) is positioned in the path of motion of spacing nut (8).
10. one kind is applicable to the using method of aseptic filling valve described in claim 1, it is characterized in that: described steam cavity (16) passes into steam, the pressure in described steam cavity (16) is greater than the pressure of valve inner, and described inlet point is connected with mass transport pipeline, when filling
First aseptic filling valve is aimed at the opening of container, and double stroke cylinder is opened the first stroke, aseptic filling valve with low discharge to container filling material,
Then double stroke cylinder is opened the second stroke, aseptic filling valve with large flow to container filling material, until filling end.
11. using method of aseptic filling valve according to claim 10, is characterized in that: described steam temperature is that 125 degrees Celsius to 130 degrees Celsius, pressure are that 200 Paasches snap into 400 pascals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079294.1A CN103910318B (en) | 2014-03-05 | 2014-03-05 | A kind of aseptic filling valve and using method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105257833A (en) * | 2015-11-10 | 2016-01-20 | 江苏新美星包装机械股份有限公司 | Magnetic filling device |
| CN109398780A (en) * | 2018-10-23 | 2019-03-01 | 杭州中亚机械股份有限公司 | A kind of filling apparatus |
| CN113582113A (en) * | 2021-07-30 | 2021-11-02 | 杭州中亚机械股份有限公司 | Filling valve |
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| CN105257833A (en) * | 2015-11-10 | 2016-01-20 | 江苏新美星包装机械股份有限公司 | Magnetic filling device |
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| CN109398780A (en) * | 2018-10-23 | 2019-03-01 | 杭州中亚机械股份有限公司 | A kind of filling apparatus |
| CN109398780B (en) * | 2018-10-23 | 2024-03-19 | 杭州中亚机械股份有限公司 | Filling device |
| CN113582113A (en) * | 2021-07-30 | 2021-11-02 | 杭州中亚机械股份有限公司 | Filling valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103910318B (en) | 2015-09-30 |
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