CN206361220U - Anti-cavitation rotary black water regulating valve - Google Patents
Anti-cavitation rotary black water regulating valve Download PDFInfo
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- CN206361220U CN206361220U CN201621439542.XU CN201621439542U CN206361220U CN 206361220 U CN206361220 U CN 206361220U CN 201621439542 U CN201621439542 U CN 201621439542U CN 206361220 U CN206361220 U CN 206361220U
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- 239000010866 blackwater Substances 0.000 title claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 210000004907 gland Anatomy 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000010797 grey water Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
本实用新型公开了一种抗汽蚀的旋筒黑水调节阀，涉及黑水调节阀领域，该调节阀包括阀体、法兰连接管，法兰连接管包括第一法兰盘、变径管、第二法兰盘，第一法兰盘和第二法兰盘分别固定在变径管的两端，第一法兰盘的内径小于第二法兰盘的内径，阀体出水端与第一法兰盘相连接，变径管包括第一管段、第二管段，第一管段的内径小于第二管段的内径，第一管段的底端与第二管段的顶端相连接，第一管段的顶端连接第一法兰盘，第二管段的底端连接第二法兰盘；该调节阀还包括圆筒形护套管，圆筒形护套管嵌套在第一管段的内侧。本实用新型能够减小汽蚀对法兰连接管的破坏，延长旋筒黑水调节阀的使用寿命。
The utility model discloses an anti-cavitation rotating cylinder black water regulating valve, which relates to the field of black water regulating valves. The regulating valve comprises a valve body, a flange connecting pipe, and the flange connecting pipe comprises a first flange plate, The pipe, the second flange, the first flange and the second flange are respectively fixed at both ends of the reducing pipe, the inner diameter of the first flange is smaller than the inner diameter of the second flange, and the water outlet of the valve body is connected to the The first flange is connected, and the reducing pipe includes a first pipe section and a second pipe section. The inner diameter of the first pipe section is smaller than the inner diameter of the second pipe section, and the bottom end of the first pipe section is connected with the top end of the second pipe section. The top end of the second pipe section is connected to the first flange, and the bottom end of the second pipe section is connected to the second flange; the regulating valve also includes a cylindrical sheath tube, and the cylindrical sheath pipe is nested inside the first pipe section. The utility model can reduce the damage to the flange connection pipe caused by cavitation, and prolong the service life of the rotary drum black water regulating valve.
Description
技术领域technical field
本实用新型涉及黑水调节阀领域，具体涉及一种抗汽蚀的旋筒黑水调节阀。The utility model relates to the field of black water regulating valves, in particular to a cavitation-resistant rotary drum black water regulating valve.
背景技术Background technique
在煤化工系统中高压闪蒸罐、真空闪蒸罐及高闪罐顶分离器等系统设备上的阀门使用工况苛刻，流体介质主要为高温的黑水、渣水及灰水。黑水、渣水及灰水含有氯离子、氨、钾盐、硫化氢或磷酸等强腐蚀介质，并且阀门前后压差大。介质在流经阀座时有阻塞流发生，高速流体产生闪蒸、空化，介质在阀腔内的聚泡爆裂过程，会释放很大的能量，对阀体内部及节流元件等零件产生强力破坏，形成汽蚀。旋筒黑水调节阀由于旋筒式阀芯的设计，减少了压力恢复时气泡的数量，降低了汽蚀破坏，使汽蚀尽可能发生在扩散段内，从而保证下游管壁不被破坏，降低下游管件因汽蚀造成的安全隐患。In the coal chemical system, the valves on the system equipment such as high-pressure flash tank, vacuum flash tank and high-flash tank top separator have harsh working conditions, and the fluid medium is mainly high-temperature black water, slag water and gray water. Black water, slag water and gray water contain strong corrosive media such as chloride ions, ammonia, potassium salt, hydrogen sulfide or phosphoric acid, and the pressure difference between the front and back of the valve is large. When the medium flows through the valve seat, there will be a blocked flow, and the high-speed fluid will produce flashing and cavitation. The foaming and bursting process of the medium in the valve cavity will release a lot of energy, which will cause damage to the inside of the valve body and parts such as the throttling element. Strong damage, forming cavitation. Due to the design of the rotary drum valve core, the number of air bubbles is reduced when the pressure is restored, and the cavitation damage is reduced, so that cavitation occurs in the diffusion section as much as possible, so as to ensure that the downstream pipe wall is not damaged. Reduce the potential safety hazards caused by cavitation of downstream pipe fittings.
旋筒黑水调节阀应用在煤化工工艺系统上，改变了传统调节阀阀座与阀体的安装方式，具有能够在线安装和维修等优点。然而，现有的旋筒黑水调节阀还是存在一些缺陷。参见图1所示，现有的旋筒黑水调节阀出口处设置的法兰连接管的中部为锥形，当黑水从阀芯流下至法兰连接管时，黑水距离法兰连接管的内壁比较近，容易造成汽蚀，缩短旋筒黑水调节阀的使用寿命。The rotary drum black water control valve is applied to the coal chemical process system, which changes the installation method of the traditional control valve seat and valve body, and has the advantages of online installation and maintenance. However, there are still some defects in the existing rotary drum black water regulating valve. Referring to Fig. 1, the middle part of the flange connection pipe provided at the outlet of the existing rotary drum black water regulating valve is tapered. When the black water flows down from the valve core to the flange connection pipe, the distance between the black water and the flange connection pipe The inner wall of the rotary drum is relatively close, which is easy to cause cavitation and shorten the service life of the rotary drum black water regulating valve.
实用新型内容Utility model content
本实用新型的目的是为了克服上述背景技术的不足，提供一种抗汽蚀的旋筒黑水调节阀，本实用新型能够减小汽蚀对法兰连接管的破坏，延长旋筒黑水调节阀的使用寿命。The purpose of this utility model is to overcome the deficiency of the above-mentioned background technology and provide an anti-cavitation rotary drum black water regulating valve. service life of the valve.
本实用新型提供一种抗汽蚀的旋筒黑水调节阀，该调节阀包括阀体、法兰连接管，所述阀体包括进水端和出水端，所述进水端位于阀体侧部，所述出水端位于阀体底部，所述法兰连接管包括第一法兰盘、变径管、第二法兰盘，所述第一法兰盘和第二法兰盘分别固定在所述变径管的两端，所述第一法兰盘的内径小于第二法兰盘的内径，所述阀体的出水端与所述第一法兰盘相连接，所述变径管包括第一管段、第二管段，所述第一管段的内径小于第二管段的内径，所述第一管段、第二管段均呈圆筒形，且第一管段的轴向中心线与第二管段的轴向中心线重合；所述第一管段的底端与第二管段的顶端相连接，所述第一管段的顶端连接第一法兰盘，所述第二管段的底端连接第二法兰盘；该调节阀还包括圆筒形护套管，所述圆筒形护套管嵌套在所述第一管段的内侧。The utility model provides an anti-cavitation rotary drum black water regulating valve, the regulating valve comprises a valve body and a flange connection pipe, the valve body comprises a water inlet end and a water outlet end, and the water inlet end is located on the side of the valve body part, the outlet end is located at the bottom of the valve body, and the flange connection pipe includes a first flange, a reducing pipe, and a second flange, and the first flange and the second flange are respectively fixed on At both ends of the reducing pipe, the inner diameter of the first flange is smaller than the inner diameter of the second flange, the outlet end of the valve body is connected to the first flange, and the reducing pipe It includes a first pipe section and a second pipe section, the inner diameter of the first pipe section is smaller than the inner diameter of the second pipe section, the first pipe section and the second pipe section are cylindrical, and the axial centerline of the first pipe section is in line with the second pipe section. The axial centerlines of the pipe sections coincide; the bottom end of the first pipe section is connected to the top end of the second pipe section, the top end of the first pipe section is connected to the first flange, and the bottom end of the second pipe section is connected to the second a flange; the regulating valve also includes a cylindrical sheathing tube, and the cylindrical sheathing tube is nested inside the first pipe section.
在上述技术方案的基础上，所述法兰连接管一体成型。On the basis of the above technical solution, the flange connection pipe is integrally formed.
在上述技术方案的基础上，所述第一法兰盘与所述阀体的出水端通过螺栓和螺母相连接，所述第一法兰盘与所述阀体的出水端之间还设置有下减磨垫。On the basis of the above technical solution, the first flange is connected to the water outlet end of the valve body through bolts and nuts, and a Lower wear pad.
在上述技术方案的基础上，该调节阀与执行器配合使用，该调节阀还包括阀芯，所述阀芯包括圆筒形芯体和用于连接执行器的杆体，所述圆筒形芯体的侧壁开有进水口，所述进水口与阀体的进水端相对应，所述圆筒形芯体的底端开有出水口，所述出水口与阀体的出水端相对应，所述杆体的底端与所述圆筒形芯体的顶端相连，所述杆体和圆筒形芯体一体成型。On the basis of the above technical solution, the regulating valve is used in cooperation with the actuator, and the regulating valve also includes a valve core, the valve core includes a cylindrical core and a rod for connecting the actuator, the cylindrical core There is a water inlet on the side wall of the body, the water inlet corresponds to the water inlet of the valve body, and the bottom of the cylindrical core body has a water outlet, and the water outlet corresponds to the water outlet of the valve body , the bottom end of the rod body is connected to the top end of the cylindrical core body, and the rod body and the cylindrical core body are integrally formed.
在上述技术方案的基础上，所述圆筒形护套管的顶端与所述圆筒形芯体的底端之间设置有用于密封的金属缠绕垫。On the basis of the above technical solution, a metal wound gasket for sealing is provided between the top end of the cylindrical sheathing tube and the bottom end of the cylindrical core body.
在上述技术方案的基础上，所述阀体的进水端包括锥形法兰接口，所述锥形法兰接口内设置有弹簧压盖、防尘压盖，所述圆筒形芯体的外侧壁与所述锥形法兰接口内侧壁之间设置有阀座，所述阀座与所述锥形法兰接口内侧壁之间横向设置有密封组件，所述密封组件由压缩弹簧和压缩弹簧两端设置的石墨盘根组成，所述密封组件的一端抵持阀座，另一端抵持弹簧压盖，所述防尘压盖盖设在所述弹簧压盖外侧。On the basis of the above technical solution, the water inlet end of the valve body includes a conical flange interface, and a spring gland and a dustproof gland are arranged in the conical flange interface. A valve seat is arranged between the outer wall and the inner wall of the tapered flange interface, and a sealing assembly is arranged transversely between the valve seat and the inner wall of the tapered flange interface, and the sealing assembly is composed of a compression spring and a compression spring. The graphite packing arranged at both ends of the spring is composed of one end of the sealing assembly against the valve seat and the other end against the spring gland, and the dust-proof gland cover is arranged outside the spring gland.
在上述技术方案的基础上，所述圆筒形芯体和圆筒形护套管均采用碳化钨烧结而成。On the basis of the above technical solution, the cylindrical core body and the cylindrical sheath tube are both sintered with tungsten carbide.
在上述技术方案的基础上，所述阀体的顶端设置有阀盖，所述阀盖中部开有供阀芯的杆体穿过的通孔，且所述通孔与杆体之间填充有填料。On the basis of the above technical solution, a valve cover is provided at the top of the valve body, and a through hole is opened in the middle of the valve cover for the rod body of the valve core to pass through, and fillers are filled between the through hole and the rod body.
在上述技术方案的基础上，所述填料的上方设置有填料压套，所述阀盖顶端设置有用于紧压所述填料压套的螺栓和螺母。On the basis of the above technical solution, a packing gland is arranged above the packing, and bolts and nuts for tightly compressing the packing gland are arranged on the top of the valve cover.
在上述技术方案的基础上，所述阀盖的顶端还设置有执行器安装支架，所述执行器安装支架通过支架螺钉与所述阀盖固定连接。On the basis of the above technical solution, the top end of the valve cover is also provided with an actuator mounting bracket, and the actuator mounting bracket is fixedly connected to the valve cover through bracket screws.
与现有技术相比，本实用新型的优点如下：Compared with prior art, the utility model has the following advantages:
(1)本实用新型中，黑水调节阀出水端的法兰连接管包括一体成型的第一法兰盘、变径管、第二法兰盘，变径管由两段直径不同的管道连接而成，靠近阀芯的一段管道还设置有圆筒形保护套，当黑水从阀芯向下流入法兰连接管时，黑水基本不会接触到法兰连接管的管壁，减小汽蚀对法兰连接管的破坏，延长旋筒黑水调节阀的使用寿命。(1) In the present utility model, the flange connecting pipe at the outlet end of the black water regulating valve includes an integrally formed first flange, a variable diameter pipe, and a second flange, and the variable diameter pipe is connected by two sections of pipes with different diameters. As a result, a section of the pipeline close to the valve core is also provided with a cylindrical protective sleeve. When black water flows downward from the valve core into the flange connection pipe, the black water will basically not touch the pipe wall of the flange connection pipe, reducing steam Corrosion can damage the flange connection pipe and prolong the service life of the rotary drum black water regulating valve.
(2)本实用新型中，阀座设计在阀芯的进水口处，能有效压紧阀芯，使流体和杂物进不了阀体腔室，不仅密封性好，保证了阀体内压力平衡，安全可靠，同时也能使阀芯与阀体实现自清洁。阀座被压缩弹簧抵持，从而达到紧压阀芯的目的，使得高进低出的圆筒形阀芯芯体在调节时仍能保持稳定密封状态，避免高频振动噪声的产生，提高阀芯的寿命。(2) In this utility model, the valve seat is designed at the water inlet of the valve core, which can effectively compress the valve core so that fluid and sundries cannot enter the chamber of the valve body. Reliable, but also can make the valve core and valve body self-cleaning. The valve seat is supported by the compression spring, so as to achieve the purpose of pressing the valve core tightly, so that the cylindrical valve core body with high entry and low exit can still maintain a stable sealing state during adjustment, avoiding the generation of high-frequency vibration and noise, and improving the performance of the valve. core life.
(3)本实用新型中，由于阀芯中的芯体和杆体是一体式设计，加上阀座紧压圆筒形芯体，不会形成介质死区，颗粒介质无法流入填料函内，从而保证阀门无泄漏，同时也避免了杆体与填料在相对运动时刮伤的问题，保证阀门的使用寿命。(3) In the utility model, since the core body and the rod body in the valve core are designed in one piece, and the valve seat tightly presses the cylindrical core body, no medium dead zone will be formed, and the granular medium cannot flow into the stuffing box, thereby It ensures that the valve does not leak, and at the same time avoids the problem of scratches between the rod body and the packing when they move relative to each other, ensuring the service life of the valve.
(4)本实用新型中，圆筒形芯体和圆筒形护套管均采用碳化钨烧结而成，能提高耐磨性及抗腐蚀性，使用寿命长。(4) In the utility model, both the cylindrical core body and the cylindrical sheath tube are sintered with tungsten carbide, which can improve wear resistance and corrosion resistance, and have a long service life.
附图说明Description of drawings
图1是现有黑水调节阀中法兰连接管的剖面结构示意图；Fig. 1 is the sectional structure schematic diagram of the flange connection pipe in the existing black water regulating valve;
图2是本实用新型实施例中抗汽蚀的旋筒黑水调节阀的总装图；Fig. 2 is the general assembly diagram of the anti-cavitation rotary drum black water control valve in the utility model embodiment;
图3是本实用新型实施例中法兰连接管的剖面结构示意图；Fig. 3 is a schematic cross-sectional structure diagram of a flange connection pipe in an embodiment of the present invention;
图4是本实用新型实施例中法兰连接管的俯视图。Fig. 4 is a top view of the flange connection pipe in the embodiment of the utility model.
附图标记：1—阀体，1a—锥形法兰接口，2—法兰连接管，21—第一法兰盘，22—变径管，22a—第一管段，22b—第二管段，23—第二法兰盘，3—圆筒形护套管，4—下减磨垫，5—阀芯，5a—芯体，5b—杆体，6—金属缠绕垫，7—弹簧压盖，8—防尘压盖，9—阀座，10—压缩弹簧，11—石墨盘根，12—阀盖，13—填料，14—填料压套，15—执行器安装支架，16—支架螺钉，17—上减磨垫。Reference signs: 1—valve body, 1a—tapered flange interface, 2—flange connecting pipe, 21—first flange plate, 22—diameter reducing pipe, 22a—first pipe section, 22b—second pipe section, 23—second flange, 3—cylindrical sheath tube, 4—lower wear-reducing pad, 5—valve core, 5a—core body, 5b—rod body, 6—metal winding pad, 7—spring gland, 8—dust gland, 9—valve seat, 10—compression spring, 11—graphite packing, 12—bonnet, 13—packing, 14—packing sleeve, 15—actuator mounting bracket, 16—bracket screw, 17—upper wear-reducing pad.
具体实施方式detailed description
下面结合附图及具体实施例对本实用新型作进一步的详细描述。Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.
参见图2所示，本实用新型实施例提供一种抗汽蚀的旋筒黑水调节阀，该调节阀包括阀体1、法兰连接管2，阀体1包括进水端和出水端，进水端位于阀体1侧部，出水端位于阀体1底部，法兰连接管2一体成型；参见图3、图4所示，法兰连接管2包括第一法兰盘21、变径管22、第二法兰盘23，第一法兰盘21和第二法兰盘23分别固定在变径管22的两端，第一法兰盘21的内径小于第二法兰盘23的内径，阀体1的出水端与第一法兰盘21相连接，具体连接方式为：第一法兰盘21与阀体1的出水端通过等长双头螺栓和六角螺母相连接，第一法兰盘21与阀体1的出水端之间还设置有下减磨垫4；变径管22包括第一管段22a、第二管段22b，第一管段22a的内径小于第二管段22b的内径，第一管段22a、第二管段22b均呈圆筒形，且第一管段22a的轴向中心线与第二管段22b的轴向中心线重合；第一管段22a的底端与第二管段22b的顶端相连接，第一管段22a的顶端连接第一法兰盘21，第二管段22b的底端连接第二法兰盘23；该调节阀还包括采用碳化钨烧结而成的圆筒形护套管3，圆筒形护套管3嵌套在第一管段22a的内侧，且与第一管段22a紧密配合。Referring to Fig. 2, the embodiment of the utility model provides an anti-cavitation rotary black water control valve, the control valve includes a valve body 1, a flange connection pipe 2, the valve body 1 includes a water inlet end and a water outlet end, The water inlet end is located at the side of the valve body 1, the water outlet end is located at the bottom of the valve body 1, and the flange connection pipe 2 is integrally formed; as shown in Fig. 3 and Fig. 4, the flange connection pipe 2 includes a first flange 21, a variable diameter Pipe 22, the second flange 23, the first flange 21 and the second flange 23 are respectively fixed on the two ends of the reducing pipe 22, the inner diameter of the first flange 21 is smaller than that of the second flange 23 Inner diameter, the water outlet end of the valve body 1 is connected with the first flange 21, the specific connection method is: the first flange 21 and the water outlet end of the valve body 1 are connected by equal-length stud bolts and hex nuts, the first A lower wear-reducing pad 4 is also arranged between the flange plate 21 and the water outlet of the valve body 1; the reducing pipe 22 includes a first pipe section 22a and a second pipe section 22b, and the inner diameter of the first pipe section 22a is smaller than the inner diameter of the second pipe section 22b , the first pipe section 22a and the second pipe section 22b are both cylindrical, and the axial centerline of the first pipe section 22a coincides with the axial centerline of the second pipe section 22b; the bottom end of the first pipe section 22a and the second pipe section 22b The top of the first pipe section 22a is connected to the first flange 21, and the bottom of the second pipe section 22b is connected to the second flange 23; the regulating valve also includes a cylindrical protective valve made of tungsten carbide sintered The casing 3, the cylindrical sheathing pipe 3 is nested inside the first pipe section 22a, and closely fits with the first pipe section 22a.
该调节阀与执行器配合使用，该调节阀还包括阀芯5，阀芯5包括圆筒形芯体5a和用于连接执行器的杆体5b，圆筒形芯体5a采用碳化钨烧结而成；圆筒形芯体5a的侧壁开有进水口，进水口与阀体1的进水端相对应，圆筒形芯体5a的底端开有出水口，出水口与阀体1的出水端相对应，杆体5b的底端与圆筒形芯体5a的顶端相连，杆体5b和圆筒形芯体5a一体成型。圆筒形护套管3的顶端与圆筒形芯体5a的底端之间设置有用于密封的金属缠绕垫6。The regulating valve is used in conjunction with the actuator. The regulating valve also includes a valve core 5. The valve core 5 includes a cylindrical core body 5a and a rod body 5b for connecting the actuator. The cylindrical core body 5a is sintered with tungsten carbide. ; The side wall of the cylindrical core body 5a has a water inlet, and the water inlet corresponds to the water inlet end of the valve body 1, and the bottom end of the cylindrical core body 5a has a water outlet, and the water outlet is connected to the water outlet of the valve body 1. Correspondingly, the bottom end of the rod body 5b is connected with the top end of the cylindrical core body 5a, and the rod body 5b and the cylindrical core body 5a are integrally formed. A metal wound gasket 6 for sealing is provided between the top end of the cylindrical sheath tube 3 and the bottom end of the cylindrical core body 5a.
阀体1的进水端包括锥形法兰接口1a，锥形法兰接口1a内设置有弹簧压盖7、防尘压盖8，圆筒形芯体5a的外侧壁与锥形法兰接口1a内侧壁之间设置有阀座9，阀座9与锥形法兰接口1a内侧壁之间横向设置有密封组件，密封组件由压缩弹簧10和压缩弹簧10两端设置的石墨盘根11组成，密封组件的一端抵持阀座9，另一端抵持弹簧压盖7，防尘压盖8盖设在弹簧压盖7外侧。The water inlet end of the valve body 1 includes a conical flange interface 1a, and a spring gland 7 and a dustproof gland 8 are arranged in the conical flange interface 1a, and the outer wall of the cylindrical core body 5a is connected to the conical flange interface. A valve seat 9 is arranged between the inner wall of 1a, and a sealing assembly is arranged transversely between the valve seat 9 and the inner wall of the tapered flange interface 1a, and the sealing assembly is composed of a compression spring 10 and graphite packing 11 provided at both ends of the compression spring 10 , one end of the sealing assembly is against the valve seat 9, and the other end is against the spring gland 7, and the dustproof gland 8 is set on the outside of the spring gland 7.
阀体1的顶端设置有阀盖12，阀盖12中部开有供阀芯5的杆体5b穿过的通孔，且通孔与杆体5b之间填充有填料13。阀盖12的底端与阀芯5顶端之间还设置有上减磨垫17。填料13的上方设置有填料压套14，阀盖12顶端设置有用于紧压填料压套14的等长双头螺栓和六角螺母。阀盖12的顶端还设置有执行器安装支架15，执行器安装支架15通过支架螺钉16与阀盖12固定连接。The top end of the valve body 1 is provided with a valve cover 12, and a through hole is opened in the middle of the valve cover 12 for the rod body 5b of the valve core 5 to pass through, and a filler 13 is filled between the through hole and the rod body 5b. An upper wear-reducing pad 17 is also arranged between the bottom end of the valve cover 12 and the top end of the valve core 5 . A packing gland 14 is arranged above the packing 13 , and equal-length stud bolts and hexagonal nuts for pressing the packing gland 14 are arranged on the top of the valve cover 12 . The top end of the valve cover 12 is also provided with an actuator mounting bracket 15 , and the actuator mounting bracket 15 is fixedly connected to the valve cover 12 through bracket screws 16 .
本领域的技术人员可以对本实用新型实施例进行各种修改和变型，倘若这些修改和变型在本实用新型权利要求及其等同技术的范围之内，则这些修改和变型也在本实用新型的保护范围之内。Those skilled in the art can carry out various modifications and variations to the embodiment of the utility model, if these modifications and variations are within the scope of the claims of the utility model and equivalent technologies thereof, then these modifications and variations are also protected by the utility model within range.
说明书中未详细描述的内容为本领域技术人员公知的现有技术。The content not described in detail in the specification is the prior art known to those skilled in the art.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439542.XU CN206361220U (en) | 2016-12-26 | 2016-12-26 | Anti-cavitation rotary black water regulating valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439542.XU CN206361220U (en) | 2016-12-26 | 2016-12-26 | Anti-cavitation rotary black water regulating valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591510A (en) * | 2018-06-20 | 2018-09-28 | 武汉汉德阀门股份有限公司 | A kind of bilateral angle valve |
| CN110513504A (en) * | 2019-07-31 | 2019-11-29 | 长江大学 | A high temperature solid phase material plug valve |
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2016
- 2016-12-26 CN CN201621439542.XU patent/CN206361220U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591510A (en) * | 2018-06-20 | 2018-09-28 | 武汉汉德阀门股份有限公司 | A kind of bilateral angle valve |
| CN110513504A (en) * | 2019-07-31 | 2019-11-29 | 长江大学 | A high temperature solid phase material plug valve |
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