CN206802336U - Wear resistant dust and gas butterfly valve - Google Patents

Wear resistant dust and gas butterfly valve Download PDF

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Publication number
CN206802336U
CN206802336U CN201720588072.1U CN201720588072U CN206802336U CN 206802336 U CN206802336 U CN 206802336U CN 201720588072 U CN201720588072 U CN 201720588072U CN 206802336 U CN206802336 U CN 206802336U
Authority
CN
China
Prior art keywords
valve
valve body
plate
axle bed
valve rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720588072.1U
Other languages
Chinese (zh)
Inventor
钱琪升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QIDONG YONGAN VALVE CO Ltd
Original Assignee
QIDONG YONGAN VALVE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by QIDONG YONGAN VALVE CO Ltd filed Critical QIDONG YONGAN VALVE CO Ltd
Priority to CN201720588072.1U priority Critical patent/CN206802336U/en
Application granted granted Critical
Publication of CN206802336U publication Critical patent/CN206802336U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses wear resistant dust and gas butterfly valve, including valve body, valve plate, upper valve rod and lower valve rod, the inner chamber of valve body is provided with valve seat, the front of valve plate is provided with the sealing ring coordinated with valve base sealing, the front of sealing ring is provided with the pressing plate ring flushed with valve plate, the back side of valve plate is arranged with axle bed and lower axle bed, the bottom of upper valve rod is fixedly connected after passing through valve body with upper axle bed, bearing is provided between upper valve rod and the top of valve body, the bottom of bearing is provided with back-up ring, seal assembly is provided between the side of upper valve rod and valve body, the top of lower valve rod is fixedly connected after passing through valve body with lower axle bed, sealing shroud is provided between the side of lower valve rod and valve body, the bottom of valve body is provided with bottom.The butterfly valve structure advantages of simple, easy to assembly, bearing capacity is strong, and sealing effectiveness is lasting, and wearability is good, can adapt to flow velocity high, dustiness and weight eroded is big, temperature is high gas, it is ensured that the security used, and service life is grown, and advantageously reduces maintenance cost.

Description

Wear resistant dust and gas butterfly valve
Technical field
The utility model belongs to valve technology field, more particularly to a kind of wear resistant dust and gas butterfly valve.
Background technology
Dust and gas butterfly valve is widely used in the dusty gas pipeline of the industries such as metallurgy, chemical industry, cement, due to where these pipelines The temperature of system is higher(650 DEG C or so), medium dustiness is larger, bad environments, and flow velocity is high, and erosion is big, common dust and gas butterfly Valve sealing effectiveness dramatic decrease in use for some time so that dusty gas leaks, and causes environmental pollution, energy waste, deposits In great potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of service life length, and bearing capacity is strong, sealing effectiveness Lasting wear resistant dust and gas butterfly valve.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
Wear resistant dust and gas butterfly valve, including valve body, valve plate, upper valve rod and lower valve rod, the inner chamber of valve body are provided with valve seat, and valve plate is just Face is provided with the sealing ring coordinated with valve base sealing, and the front of sealing ring is provided with the pressing plate ring flushed with valve plate, and pressing plate ring passes through spiral shell Nail is fixed on valve plate, and the back side of valve plate is arranged with axle bed and lower axle bed, the bottom of upper valve rod pass through after valve body with upper axle Seat is fixedly connected, and bearing is provided between upper valve rod and the top of valve body, the bottom of bearing is provided with back-up ring, the side of upper valve rod and valve It is provided with seal assembly between body, the top of lower valve rod is fixedly connected after passing through valve body with lower axle bed, the side of lower valve rod and valve body Between be provided with sealing shroud, the bottom of valve body is provided with bottom, and bottom is fixed on valve body.
The seal assembly includes multiple sealing ring I and sealing ring II being staggered, and sealing ring I is inlaid in upper valve rod On, sealing ring II is inlaid on valve body.
The front of valve plate and the pressing plate ring is coated with ceramic coating.
Multiple reinforcements are longitudinally provided between the upper axle bed and lower axle bed, are transversely provided between reinforcement and valve plate multiple Arc raised line, arc raised line are integrally formed with valve plate.
The valve body, valve seat and valve plate are made of cast steel high-abrasive material, and valve seat is molded with valve body.
The bottom of the sealing shroud is curved, is provided with bulge loop in bottom, the top of bulge loop and the bottom of sealing shroud are adapted.
The utility model has the advantages that:Butterfly valve structure advantages of simple of the present utility model, easy to assembly, bearing capacity is strong, Sealing effectiveness is lasting, and wearability is good, can adapt to flow velocity high, dustiness and weight eroded is big, temperature is high gas, it is ensured that use Security, and service life is grown, and advantageously reduces maintenance cost.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
Wherein, 1, bearing, 11, back-up ring, 2, valve body, 21, valve seat, 3, upper valve rod, 31, sealing ring I, 32, sealing ring II, 4, Lower valve rod, 41, sealing shroud, 5, valve plate, 51, upper axle bed, 52, lower axle bed, 53, arc raised line, 6, sealing ring, 61, pressing plate ring, 62nd, screw, 7, bottom, 71, bulge loop, 8, ceramic coating, 9, reinforcement.
Embodiment:
As shown in figure 1, wear resistant dust and gas butterfly valve, including valve body 2, valve plate 5, upper valve rod 3 and lower valve rod 4, the inner chamber of valve body 2 are set There is valve seat 21, the front of valve plate 5 is provided with the sealing ring 6 coordinated with the sealing of valve seat 21, and the front of sealing ring 6 is provided with neat with valve plate 5 Flat pressing plate ring 61, pressing plate ring 61 are fixed on valve plate 5 by screw 62, and the back side of valve plate 5 is arranged with axle bed 51 with Axle bed 52, the bottom of upper valve rod 3 are fixedly connected with upper axle bed 51 after passing through valve body 2, set between the top of upper valve rod 3 and valve body 2 There is bearing 1, the bottom of bearing 1 is provided with back-up ring 11, seal assembly is provided between the side of upper valve rod 3 and valve body 2, lower valve rod 4 Top is fixedly connected after passing through valve body 2 with lower axle bed 52, and sealing shroud 41, valve body 2 are provided between the side of lower valve rod 4 and valve body 2 Bottom be provided with bottom 7, bottom 7 is fixed on valve body 2.
In the utility model, seal assembly includes multiple sealing ring I31 and sealing ring II32 being staggered, sealing ring I31 is inlaid on upper valve rod 3, and sealing ring II32 is inlaid on valve body 2, it is ensured that the sealing between upper valve rod 3 and valve body 2.It is close The bottom of big envelope 41 is curved, is provided with bulge loop 71 in bottom 7, the top and the bottom of sealing shroud 41 of bulge loop 71 are adapted, it is ensured that There is preferable sealing effectiveness between bottom 7 and valve body 2.
The front of valve plate 5 and pressing plate ring 61 is coated with ceramic coating 8, improves the wearability of valve plate 5, reduces high temperature and high speed The erosion of dust-contained airflow.Multiple reinforcements 9 are longitudinally provided between upper axle bed 51 and lower axle bed 52, it is horizontal between reinforcement 9 and valve plate 5 It is integrally formed to provided with multiple arcs raised line 53, arc raised line 53 with valve plate 5, both improved valve plate 5 with radiating effect, and can Bearing capacity.Valve body 2, valve seat 21 and valve plate 5 are made of cast steel high-abrasive material, and valve seat 21 is integrally formed with valve body 2, resistance to It is good to wear flushing resistance, it is ensured that the security used, advantageously reduce maintenance cost.

Claims (6)

1. wear resistant dust and gas butterfly valve, it is characterised in that:Including valve body, valve plate, upper valve rod and lower valve rod, the inner chamber of the valve body is provided with Valve seat, the front of the valve plate are provided with the sealing ring coordinated with valve base sealing, and the front of the sealing ring is provided with to be flushed with valve plate Pressing plate ring, the pressing plate ring is fixed by screws on valve plate, and the back side of the valve plate is arranged with axle bed and lower axle bed, The bottom of the upper valve rod is fixedly connected after passing through valve body with upper axle bed, and axle is provided between the top of the upper valve rod and valve body Hold, the bottom of the bearing is provided with back-up ring, and seal assembly is provided between the side of the upper valve rod and valve body, the lower valve rod Top is fixedly connected after passing through valve body with lower axle bed, and sealing shroud, the valve body are provided between the side of the lower valve rod and valve body Bottom be provided with bottom, the bottom is fixed on valve body.
2. wear resistant dust and gas butterfly valve according to claim 1, it is characterised in that:The seal assembly includes multiple be staggered Sealing ring I and sealing ring II, the sealing ring I is inlaid on upper valve rod, and the sealing ring II is inlaid on valve body.
3. wear resistant dust and gas butterfly valve according to claim 1, it is characterised in that:The front of valve plate and the pressing plate ring is coated with There is ceramic coating.
4. wear resistant dust and gas butterfly valve according to claim 1, it is characterised in that:Longitudinally set between the upper axle bed and lower axle bed There are multiple reinforcements, multiple arcs raised line, the arc raised line and valve plate one are transversely provided between the reinforcement and valve plate Shaping.
5. wear resistant dust and gas butterfly valve according to claim 1, it is characterised in that:The valve body, valve seat and valve plate are using casting Steel high-abrasive material is made, and the valve seat is molded with valve body.
6. wear resistant dust and gas butterfly valve according to claim 1, it is characterised in that:The bottom of the sealing shroud is curved, described Bulge loop is provided with bottom, the top of the bulge loop and the bottom of sealing shroud are adapted.
CN201720588072.1U 2017-05-25 2017-05-25 Wear resistant dust and gas butterfly valve Expired - Fee Related CN206802336U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720588072.1U CN206802336U (en) 2017-05-25 2017-05-25 Wear resistant dust and gas butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720588072.1U CN206802336U (en) 2017-05-25 2017-05-25 Wear resistant dust and gas butterfly valve

Publications (1)

Publication Number Publication Date
CN206802336U true CN206802336U (en) 2017-12-26

Family

ID=60742326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720588072.1U Expired - Fee Related CN206802336U (en) 2017-05-25 2017-05-25 Wear resistant dust and gas butterfly valve

Country Status (1)

Country Link
CN (1) CN206802336U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171226

Termination date: 20180525

CF01 Termination of patent right due to non-payment of annual fee