CN201377673Y - Energy dissipating orifice plate - Google Patents
Energy dissipating orifice plate Download PDFInfo
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- CN201377673Y CN201377673Y CN200920107179U CN200920107179U CN201377673Y CN 201377673 Y CN201377673 Y CN 201377673Y CN 200920107179 U CN200920107179 U CN 200920107179U CN 200920107179 U CN200920107179 U CN 200920107179U CN 201377673 Y CN201377673 Y CN 201377673Y
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- orifice plate
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Abstract
The utility model provides an energy dissipating orifice plate, comprising a main orifice plate body with a main orifice plate body center orifice, an upper wear-resistant part and an upper peripheral wear-resistant part, wherein, the upstream side surface of the main orifice plate body is provided with an upstream side groove; the upper wear-resistant part is arranged in the upstream side groove and on the inner peripheral wall of the main orifice plate body center orifice; and the upper peripheral wear-resistant part around the periphery of the upper wear-resistant part is arranged in the upstream side groove and is formed by ranging a plurality of fan-shaped wear-resistant blocks. The outer peripheral surface of the upstream side groove is an outwards tilting slope along a direction from the upstream towards the downstream, and the outer peripheral surface of the upper peripheral wear-resistant part is a slope matched with the outer peripheral surface of the upstream side groove. The energy dissipating orifice plate has the advantages of wear resistance, long service life, simple processing and firm connection between the wear-resistant parts and the main body, and is particularly suitable for being installed in a mortar transportation pipeline to dissipate energy for mortar transportation.
Description
Technical field
The utility model relates generally to a kind of energy-dissipation orifice plate, especially relates to a kind of split type wear-resisting energy-dissipation orifice plate that is used to reduce the FLUID TRANSPORTATION energy in the pipeline that is installed in.
Background technique
Utilizing pipeline or other passages, especially vertical or downward-sloping pipeline, in the process of conveyance fluid, the speed of fluid can be increasing.In other words, the energy that fluid has is increasing, thereby can cause cavitation erosion and wearing and tearing to pipeline etc., and particularly when conveying contained sand flow body such as ore pulp, the wearing and tearing meeting that causes was more serious, therefore needed fluid delivery to carry out energy dissipating.
Traditionally, usually adopt and energy-dissipation orifice plate is set in pipeline flow of liquid is carried out energy dissipating.For example, Chinese utility model patent ZL93107799.0 discloses a kind of eddy-eliminating orifice, and the inner peripheral surface in this orifice plate main center hole partly is made up of the triangle annulus part and the downstream trapezoid annulus of upstream.Above-mentioned traditional orifice plate is an integral structure, and therefore complex structure is difficult to processing, wears no resistance.Particularly work as fluid and contain ore in sand form (for example, the concentrate in ore dressing plant and mill tailings etc.), it is more serious to wear and tear, life-span shortens greatly, after the orifice plate wearing and tearing, needs to change whole orifice plate in addition, thereby the cost height especially can not be applicable to the FLUID TRANSPORTATION that contains ore in sand form etc. is carried out energy dissipating.
The model utility content
The utility model is intended to one of solve the problems of the technologies described above at least.
For this reason, a purpose of the present utility model be to propose a kind of wear-resistant, life-span long, process and install simple split type energy-dissipation orifice plate, this energy-dissipation orifice plate is particularly suitable for being installed in the fluid of carrying abrasion strong, and (as contain the ore in sand form fluid: fluid delivery is carried out energy dissipating in pipeline ore pulp).
Comprise according to energy-dissipation orifice plate of the present utility model: have the orifice plate main body in orifice plate main center hole, be formed with the upstream side groove on the upstream side surface of described orifice plate main body; Last wearing piece, the described wearing piece of going up is arranged in the described upstream side groove and on the inner circle wall in orifice plate main center hole; With the upper periphery wearing piece, described upper periphery wearing piece is arranged in the described upstream side groove and by a plurality of fan-shaped wear-resistant blocks arrangements around the described periphery that goes up wearing piece and forms, the outer circumferential face of wherein said upstream side groove be along from the upstream towards the outward-dipping inclined-plane of the direction in downstream, and the outer circumferential face of described upper periphery wearing piece is the inclined-plane adaptive with the outer circumferential face of described upstream side groove.
Also have following additional technical feature according to energy-dissipation orifice plate of the present utility model:
Also comprise the following wearing piece with following wearing piece center hole according to energy-dissipation orifice plate of the present utility model, described wearing piece down is arranged on the downstream side surface of orifice plate main body.
Described wearing piece down comprises core and centers on the peripheral part of core that described peripheral part is arranged by a plurality of fan-shaped wear-resistant blocks and formed; Be formed with the downstream side groove on the downstream side surface of described orifice plate main body, described wearing piece down is arranged in the groove of described downstream side; The outer circumferential face of wherein said downstream side groove be along from the downstream towards the outward-dipping inclined-plane of the direction of upstream, and the outer circumferential face of following peripheral wearing piece is the inclined-plane adaptive with the outer circumferential face of downstream side groove.
Described peripheral part and upper periphery wearing piece measure-alike.
The downstream side surface of described wearing piece down is concordant with the downstream side surface of last wearing piece.
Described upward wearing piece, upper periphery wearing piece and following wearing piece are wear-resistant ceramic based composites spare.
Described upward wearing piece comprises cylinder and from the outward extending integratedly flange of cylinder upstream extremity, wherein said cylinder is positioned at described orifice plate main center hole and described flange is positioned at described upstream side groove.
The thickness of described flange and upper periphery wearing piece is less than or equal to the degree of depth of upstream side groove.
On the upstream side surface of orifice plate main body, be formed with annular seal groove, and on the downstream side surface of orifice plate main body, be formed with annular seal groove down around the downstream side groove around the upstream side groove.
On the outer circumferential face of described orifice plate main body, be formed with handle hole.
At least have one of following advantage according to energy-dissipation orifice plate of the present utility model:
According to energy-dissipation orifice plate of the present utility model, in the lip-deep upstream side groove of upstream side and on the sidewall of center hole, be provided with wearing piece and upper periphery wearing piece, especially under the situation that contains ore in sand form etc. in the fluid, prolonged the life-span of energy-dissipation orifice plate greatly, and, after last wearing piece and the wearing and tearing of upper periphery wearing piece, only need replace with wearing piece and upper periphery wearing piece, the orifice plate main body can be reused, and the orifice plate main body need not to make with expensive high-abrasive material, thereby has reduced cost.In addition, because the upper periphery wearing piece is arranged by a plurality of fan-shaped wear-resistant blocks and is formed, therefore the manufacturing of upper periphery wearing piece and installation are simple, and the outer circumferential face of the outer circumferential face of upper periphery wearing piece and upstream side groove forms adaptive inclined-plane mutually, therefore the slit between the outer circumferential face of outermost fan-shaped wear-resistant block and upstream side groove is not exposed to fluid, and fan-shaped wear-resistant block is more firm with being connected of orifice plate main body.
According to energy-dissipation orifice plate of the present utility model,, can reduce impact, wearing and tearing and the cavitation erosion of fluid on the downstream side surface of energy-dissipation orifice plate main body to orifice plate main body downstream side surface by wearing piece down is set.
According to energy-dissipation orifice plate of the present utility model, following wearing piece is divided into core and peripheral part, thereby for large diameter pipeline, the manufacturing of following wearing piece is more prone to.And peripheral part arranged by a plurality of fan-shaped wear-resistant blocks and forms, and can make to make and easier for installation, and can change certain fan-shaped wear-resistant block separately according to the degree of wear, reduced cost.Simultaneously, following wearing piece can be arranged in the interior downstream side groove of downstream side surface, and the outer circumferential face of downstream side groove and the outer circumferential face of peripheral part are mutual adaptive inclined-plane, therefore, promptly descend wearing piece not expose, thereby when transportation and installation, reduce the damage of wearing piece down from the downstream side surface of orifice plate main body.
According to energy-dissipation orifice plate of the present utility model,, can further reduce manufacture cost by making the measure-alike of peripheral part and upper periphery wearing piece.In other words, the fan-shaped wear-resistant block that constitutes peripheral part and upper periphery wearing piece is measure-alike, thereby has increased interchangeability, has reduced manufacture cost, has increased the convenience of installation and maintenance.
According to energy-dissipation orifice plate of the present utility model, last wearing piece is the cylinder that an end has flange, and promptly going up wearing piece is T shape shape substantially.Therefore, cylinder can be arranged in the orifice plate main center hole and flange is stuck in the upstream recess of orifice plate main body, thereby the installation of going up wearing piece is simple, and be not easy because of the impact of fluid movable.
According to energy-dissipation orifice plate of the present utility model, by on the upstream side surface and downstream side surface of orifice plate main body, on orifice plate main body and mounting portion that pipeline is connected, form respectively and go up annular seal groove and following annular seal groove, when energy-dissipation orifice plate is installed on the pipeline, fluid in the pipeline can enter in the seal groove, thereby forms the water-stop line, has increased sealability.
According to energy-dissipation orifice plate of the present utility model, will go up wearing piece, following wearing piece and peripheral wearing piece by Bond and/or screw and be fastened on the orifice plate main body, make easier for installation and firm.
By on orifice plate main body outer circumferential face, forming handle hole, be convenient to the carrying and the transportation of energy-dissipation orifice plate.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming embodiment's the description below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic representation that the utility model first embodiment's energy-dissipation orifice plate is connected with piping flange;
Fig. 2 is the right elevation of energy-dissipation orifice plate shown in Figure 1;
Fig. 3 is the sectional front view of energy-dissipation orifice plate shown in Figure 1;
Fig. 4 is the left view of energy-dissipation orifice plate shown in Figure 1;
Fig. 5 is the structural representation according to the orifice plate main body of the utility model first embodiment's energy-dissipation orifice plate;
Fig. 6 is the schematic representation that the utility model second embodiment's energy-dissipation orifice plate is connected with piping flange;
Fig. 7 is the right elevation of energy-dissipation orifice plate shown in Figure 6;
Fig. 8 is the sectional front view of energy-dissipation orifice plate shown in Figure 6;
Fig. 9 is the left view of energy-dissipation orifice plate shown in Figure 6;
Figure 10 is the structural representation according to the orifice plate main body of the utility model second embodiment's energy-dissipation orifice plate.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment who is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
Need to prove in the description of this specification, to have cylindric and orifice plate main center hole is that circle is that example is described, thereby go up wearing piece, wearing piece and upper periphery wearing piece all are adapted to above-mentioned shape down with energy-dissipation orifice plate and orifice plate main body.Yet the utility model is not limited to this, and for example, energy-dissipation orifice plate, orifice plate main body, orifice plate main center hole and upstream side groove, downstream side groove etc. can be for square, as long as the shape and size of these elements are adaptive just passable.
In the utility model, positions such as term " upper and lower, upstream side, downstream side " relation is for based on position shown in the drawings relation, only is the utility model for convenience of description, and can not be interpreted as restriction of the present utility model.For example, in Fig. 1 and Fig. 6, upstream side and downstream side are based on the upstream side and the downstream side of the fluid flow direction shown in the arrow A.
Energy-dissipation orifice plate 100 according to the utility model embodiment is installed in the pipeline (not shown), is used for the fluid in the pipeline (fluid that the ability of especially wearing and tearing is strong, as the field, mine contain the sand flow body) is carried and carried out energy dissipating.As Fig. 1 and shown in Figure 6, energy-dissipation orifice plate 100 links together by stud 7 and nut 8 with two mounting flanges 5,6 of pipeline, thereby energy-dissipation orifice plate 100 is installed in the pipeline.
In order to increase sealability, between energy-dissipation orifice plate 100 and mounting flange 5,6, be provided with seal ring 9 respectively.Energy-dissipation orifice plate 100 is called mounting portion 11 in the part of mounting flange 5,6 center hole peripheries, is used for connecting with mounting flange 5,6.Shown in Fig. 5 and 10, the periphery of the orifice plate main body 1 of energy-dissipation orifice plate 100 reduces along the thickness of part, thereby with mounting flange 5,6 when linking to each other, the periphery of orifice plate main body 1 can leave little gap along between part and the surface of mounting flange 5,6, and promptly mounting portion 11 forms the form of boss, can increase the join strength of energy-dissipation orifice plate 100 and mounting flange 5,6 thus.
Therefore in Fig. 1 and Fig. 6, arrow A is represented the flow direction of fluid (for example ore pulp) in pipeline, and at Fig. 1, Fig. 5, the upper surface of energy-dissipation orifice plate 100 is called the upstream side surface and lower surface is called downstream side surface among Fig. 6 and Figure 10.
Below with reference to the energy-dissipation orifice plate 100 of Fig. 1-5 detailed description according to the utility model first embodiment.
Shown in Fig. 1-5, energy-dissipation orifice plate 100 comprises orifice plate main body 1, goes up wearing piece 2 and upper periphery wearing piece 3.
Be formed with upstream side groove 13 and orifice plate main body 1 on the upstream side surface of orifice plate main body 1 and be formed with and be used for the orifice plate main center hole 12 that ore pulp passes through, last wearing piece 2 is arranged in the upstream side groove 13 and on the inner circle wall in orifice plate main center hole 12.Upper periphery wearing piece 3 is arranged in the upstream side groove 13 and is arranged by a plurality of fan-shaped wear-resistant blocks around the periphery of last wearing piece 2 and forms, and arranges by a plurality of fan-shaped wear-resistant blocks and forms upper periphery wearing pieces 3, makes the processing of upper periphery wearing piece 3 and easier for installation.And because upper periphery wearing piece 3 and last wearing piece 2 splits formation, so energy-dissipation orifice plate 100 is more suitable for being installed in the bigger pipeline of diameter.
As shown in Figure 5, the outer circumferential face of upstream side groove 13 form along from the upstream towards the outward-dipping inclined-plane of the direction in downstream, correspondingly, the outer circumferential face of upper periphery wearing piece 3 forms the inclined-plane adaptive with the outer circumferential face of upstream side groove 13.Here, so-called " adaptive " be meant the outer circumferential face of upper periphery wearing piece 3 form along from the upstream towards the intilted inclined-plane of the direction in downstream, thereby when upper periphery wearing piece 3 is installed on the orifice plate main body 1, the inclined-plane of upper periphery wearing piece 3 cooperates with the inclined-plane of upstream side groove 13, has increased the degree that is connected firmly between them.
Orifice plate main body 1 can be made by forged steel, and last wearing piece 2, upper periphery wearing piece 3 can be made by wear-resistant ceramic based composites (as oxide ceramics, nitride ceramics, carbide ceramics and boride ceramics etc.).Orifice plate main body 1 is made separately by different materials with last wearing piece 2 and upper periphery wearing piece 3, therefore the manufacture cost of energy-dissipation orifice plate 100 reduces, and after use a period of time is gone up wearing piece 2 and 3 wearing and tearing of upper periphery wearing piece, only need to replace with wearing piece 2 and upper periphery wearing piece 3, orifice plate main body 1 can be reused, thereby has further reduced manufacture cost.And then, only replace with the fan-shaped wear-resistant block of a part of peripheral wearing piece 3 according to abrasion condition, further reduced cost.
Last wearing piece 2 can be bonded on the orifice plate main body 1 by Bond (as epoxy adhesive).Simultaneously, on the upstream side surface of orifice plate main body 1, last wearing piece 2 can additionally be fastened on the orifice plate main body 1 with screw.Equally, the fan-shaped wear-resistant block of each of upper periphery wearing piece 3 can be bonded on the orifice plate main body 1 with Bond, utilizes screw fastening by the tapped hole 16 that forms on the hole 31 that forms on the upper periphery wearing piece 3 and the orifice plate main body 1 then.
As Fig. 1 and shown in Figure 5, installation and carrying for the ease of energy-dissipation orifice plate 100, on the periphery wall of orifice plate main body 1, can be formed with handle hole 17, handle hole 17 for example can be tapped hole, when needs carrying and installation energy-dissipation orifice plate 100, operating stem (as threaded stem) is inserted in the handle hole 17, thereby can carry and install energy-dissipation orifice plate 100 easily.
When ore pulp during along arrow A from the upstream flow further downstream, ore pulp bump energy-dissipation orifice plate 100 and by energy dissipating, be positioned at the upstream side surface that lip-deep upward wearing piece 2 of orifice plate main body 1 upstream side and upper periphery wearing piece 3 prevent fluid erosion orifice plate main body 1, and the last wearing piece 2 on orifice plate main center hole 12 inner circle walls can prevent the inner circle wall in fluid abrasion orifice plate main center hole 12.When last wearing piece 2 and upper periphery wearing piece 3 may wear to a certain degree, will go up wearing piece 2 and upper periphery wearing piece 3 (or wherein a part of fan-shaped wear-resistant block) and change, need not to change orifice plate main body 1, thereby reduced cost, increased the life-span of energy-dissipation orifice plate 100.
In embodiments more of the present utility model, shown in Fig. 1-4, last wearing piece 2 comprises cylinder 21 and the outward extending integratedly flange 22 of cylinder 21 upstream extremities, from forming T shape substantially.As shown in figs. 1 and 3, cylinder 21 has center hole 23 and is installed on the inner circle wall in orifice plate main center hole 12, and the downstream of cylinder 21 is concordant with the downstream side surface of orifice plate main body 1, be understandable that, the external diameter of cylinder 21 is slightly less than orifice plate main center hole 12 internal diameters, is beneficial to install.Flange 22 is positioned at the upstream side groove 13 of orifice plate main body 1.In other words, last wearing piece 2 flanges 22 are stuck in the lip-deep upstream side groove 13 of upstream side of orifice plate main body 1, thereby go up the easier for installation of wearing piece 2.In addition, in order to increase firm degree, as mentioned above, flange 22 can be bonded on the upstream side surface of orifice plate main body 1 and can be additionally fastening with screw with Bond, simultaneously, cylinder 21 also is bonded on the inner circle wall in orifice plate main center hole 12 with Bond.The a plurality of fan-shaped wear-resistant block of upper periphery wearing piece 3 is arranged and the outer circumferential face of the inclination of sector unit cooperates with the outer circumferential face of the inclination of upstream side groove 13 around the periphery of flange 22.
Be understandable that upstream side groove 13 also can be thought the radial dimension that orifice plate main center hole 12 is positioned at the part of upstream extremity enlarged and form.
As shown in figs. 1 and 3, the thickness of flange 22 is less than the degree of depth of upstream side groove 13, thus, in the time will going up wearing piece 2 and be installed on the orifice plate main body 1, flange 22 does not expose the upstream side surface of orifice plate main body 1, thereby in carrying and installation process, can unexpectedly not cause damage to wearing piece 2.Certainly, the thickness of flange 22 also can equal the degree of depth of upstream side groove 13.
In addition, as Fig. 1 and shown in Figure 5, in order to increase energy-dissipation orifice plate 100 and mounting flange 5,6 fastening forces that connect also can form downstream side groove 14 in the downstream side surface of orifice plate main body 1, thereby when connecting, mounting flange 5,6 only contact the mounting portion 11 on orifice plate main body 1 downstream side surface, as mentioned above, because the thickness on orifice plate main body 1 periphery edge also reduces, therefore, mounting flange 5,6 can not contact the part in the 11 interior outsides, mounting portion of orifice plate main body 1, thereby can increase fastening force.
As shown in Figure 5, in order to increase the sealability between energy-dissipation orifice plate 100 and the mounting flange 5,6, on the upstream side surface of orifice plate main body 1 and downstream side surface, annular seal groove 15a and following annular seal groove 15b have been formed respectively.More specifically, last annular seal groove 15a and following annular seal groove 15b are respectively formed on the mounting portion 11 of upstream side surface and downstream side surface, in the example depicted in fig. 5, the cross section of last annular seal groove 15a and following annular seal groove 15b is a triangle, for example the degree of depth is 1 millimeter or 2 millimeters, but the utility model is not limited to this, thereby in use, if the ore pulp in the pipeline is from mounting flange 5,6 and energy-dissipation orifice plate 100 between the slit ooze out, then fluid enters annular seal groove 15a and following annular seal groove 15b, thereby forms potted line, has further increased sealability.
Below with reference to the energy-dissipation orifice plate 100 of Fig. 6-10 description according to the utility model second embodiment.As shown in Figure 6, the energy-dissipation orifice plate 100 according to the utility model second embodiment is installed between the mounting flange 5,6 of pipeline equally.
Energy-dissipation orifice plate 100 according to the utility model second embodiment comprises orifice plate main body 1, goes up wearing piece 2, upper periphery wearing piece 3 and following wearing piece 4.
Following wearing piece 4 is arranged on the downstream side surface and has following wearing piece center hole, the diameter of following wearing piece center hole can with the equal diameters in the orifice plate main center hole 12 of orifice plate main body 1, the downstream of wearing piece 2 is passed down wearing piece 4 and concordant with the downstream side surface of following wearing piece 4 on this moment, shown in Fig. 6 and 8, but the utility model is not limited to this.For example, the diameter of following wearing piece center hole can equate with the internal diameter of the center hole of last wearing piece 2, and the downstream of wearing piece 2 is not passed down wearing piece 4 but concordant with the downstream side surface of orifice plate main body 1 on this moment.
In an embodiment of the present utility model,, on the downstream side surface of orifice plate main body 1, be formed with downstream side groove 14 as Fig. 8 and shown in Figure 10.Following wearing piece 4 be contained in the downstream side groove 14 and thickness less than the degree of depth of downstream side 14 grooves, thereby wearing piece 4 can not expose from the downstream side surface of orifice plate main body 1 down, in carrying and installation process, can not cause damage to following wearing piece 4.Certainly, the thickness of following wearing piece 4 also can equal the degree of depth of downstream side 14 grooves.
Following wearing piece 4 comprises core 41 and centers on the peripheral part 42 of core 41, core 41 is a ring, be bonded in the downstream side groove 14 by Bond, core 41 is formed with through hole 411 simultaneously, on orifice plate main body 1, be formed with tapped hole 16 accordingly, thereby can utilize the screw (not shown) additionally core 41 to be fixed on the orifice plate main body 1.
As shown in Figure 7, peripheral part 42 can be arranged by the fan-shaped wear-resistant block of polylith and form, thus peripheral part 42 easier processing and installations.All form on each wear-resistant block by through hole 421, each wear-resistant block is bonded on the orifice plate main body 1 by Bond, and is additionally fixing with screw then.When the size of energy-dissipation orifice plate 100 is very big, a plurality of wear-resistant blocks of peripheral part 42 usefulness arrange form highly beneficial, processing and easy for installation, cost reduction.
And then, the outer circumferential face of downstream side groove 14 form along from the downstream towards the outward-dipping inclined-plane of the direction of upstream, and the outer circumferential face of following peripheral wearing piece 4 is the inclined-plane adaptive with the outer circumferential face of downstream side groove 14, in other words, the outer circumferential face of following peripheral wearing piece 4 form along from the downstream towards the intilted inclined-plane of the direction of upstream, cooperate with outer circumferential face with downstream side groove 14.
According to an embodiment of the present utility model, peripheral part 42 is measure-alike with upper periphery wearing piece 3, thereby has increased interchangeability, reduces manufacture cost.Particularly, the fan-shaped wear-resistant block of formation peripheral part 42 is measure-alike with the fan-shaped wear-resistant block of corresponding formation upper periphery wearing piece 3, thereby has further reduced manufacture cost.
As shown in Figure 8, last wearing piece 2 is a T shape shape substantially, comprises cylinder 21 and from the outward extending integratedly flange 22 of cylinder 21 upstream extremities.Flange 22 is contained in the upstream side groove 13, and cylinder 21 is positioned at orifice plate main center hole 12 and leans against on the inner circle wall in orifice plate main center hole 12.Upper periphery wearing piece 3 around the periphery of flange 22 be contained in the upstream side groove 13 and with flange 22 equal thickness.Because the size of upper periphery wearing piece 3 and peripheral part 42 is measure-alike, therefore the external diameter of core 41 is identical with the external diameter of flange 22 at this moment.
Identical with first embodiment, on the lip-deep mounting portion 11 of the upstream side of orifice plate main body 1, be formed with annular seal groove 15a and on the mounting portion on the downstream side surface of orifice plate main body 1 11, be formed with annular seal groove 15b down.In use, if the ore pulp in the pipeline oozes out from the slit between mounting flange 5,6 and the energy-dissipation orifice plate 100, then fluid enters annular seal groove 15a and following annular seal groove 15b, thereby forms potted line, has further increased sealability.
Other structures according to the utility model second embodiment's energy-dissipation orifice plate 100 are identical with above-mentioned first embodiment's energy-dissipation orifice plate 100 with operation, for simple purpose, are not described in detail here.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claims and equivalent thereof.
Claims (10)
1, a kind of energy-dissipation orifice plate is characterized in that, comprising: have the orifice plate main body in orifice plate main center hole, be formed with the upstream side groove on the upstream side surface of described orifice plate main body; Last wearing piece, the described wearing piece of going up is arranged in the described upstream side groove and on the inner circle wall in orifice plate main center hole; With the upper periphery wearing piece, described upper periphery wearing piece is arranged in the described upstream side groove and by a plurality of fan-shaped wear-resistant blocks arrangements around the described periphery that goes up wearing piece and forms, the outer circumferential face of wherein said upstream side groove be along from the upstream towards the outward-dipping inclined-plane of the direction in downstream, and the outer circumferential face of described upper periphery wearing piece is the inclined-plane adaptive with the outer circumferential face of described upstream side groove.
2, energy-dissipation orifice plate according to claim 1 is characterized in that, also comprises the following wearing piece with following wearing piece center hole, and described wearing piece down is arranged on the downstream side surface of orifice plate main body.
3, energy-dissipation orifice plate according to claim 2 is characterized in that, described wearing piece down comprises core and center on the peripheral part of core that described peripheral part is arranged by a plurality of fan-shaped wear-resistant blocks and formed;
Be formed with the downstream side groove on the downstream side surface of described orifice plate main body, described wearing piece down is arranged in the groove of described downstream side;
The outer circumferential face of wherein said downstream side groove be along from the downstream towards the outward-dipping inclined-plane of the direction of upstream, and the outer circumferential face of following peripheral wearing piece is the inclined-plane adaptive with the outer circumferential face of downstream side groove.
4, energy-dissipation orifice plate according to claim 3 is characterized in that, described peripheral part and upper periphery wearing piece measure-alike.
5, energy-dissipation orifice plate according to claim 2 is characterized in that, the downstream side surface of described wearing piece down is concordant with the downstream side surface of last wearing piece.
6, energy-dissipation orifice plate according to claim 2 is characterized in that, described upward wearing piece, upper periphery wearing piece and following wearing piece are wear-resistant ceramic based composites spare.
7, energy-dissipation orifice plate according to claim 1, it is characterized in that, described upward wearing piece comprises cylinder and from the outward extending integratedly flange of cylinder upstream extremity, wherein said cylinder is positioned at described orifice plate main center hole and described flange is positioned at described upstream side groove.
8, energy-dissipation orifice plate according to claim 7 is characterized in that, the thickness of described flange and upper periphery wearing piece is less than or equal to the degree of depth of upstream side groove.
9, energy-dissipation orifice plate according to claim 3 is characterized in that, is formed with annular seal groove around the upstream side groove on the upstream side surface of orifice plate main body, and is formed with annular seal groove down around the downstream side groove on the downstream side surface of orifice plate main body.
10, energy-dissipation orifice plate according to claim 1 is characterized in that, is formed with handle hole on the outer circumferential face of described orifice plate main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107179U CN201377673Y (en) | 2009-04-15 | 2009-04-15 | Energy dissipating orifice plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107179U CN201377673Y (en) | 2009-04-15 | 2009-04-15 | Energy dissipating orifice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377673Y true CN201377673Y (en) | 2010-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107179U Expired - Lifetime CN201377673Y (en) | 2009-04-15 | 2009-04-15 | Energy dissipating orifice plate |
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| Country | Link |
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| CN (1) | CN201377673Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865355A (en) * | 2009-04-15 | 2010-10-20 | 中国恩菲工程技术有限公司 | Energy dissipation orifice plate |
| GB2603601A (en) * | 2020-12-04 | 2022-08-10 | Caterpillar Inc | Fluid conduits with selectively coated surfaces |
-
2009
- 2009-04-15 CN CN200920107179U patent/CN201377673Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865355A (en) * | 2009-04-15 | 2010-10-20 | 中国恩菲工程技术有限公司 | Energy dissipation orifice plate |
| CN101865355B (en) * | 2009-04-15 | 2013-06-12 | 中国恩菲工程技术有限公司 | Energy dissipation orifice plate |
| GB2603601A (en) * | 2020-12-04 | 2022-08-10 | Caterpillar Inc | Fluid conduits with selectively coated surfaces |
| US11859757B2 (en) | 2020-12-04 | 2024-01-02 | Caterpillar Inc. | Fluid conduits with selectively coated surfaces |
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