CN210510338U

CN210510338U - Desulfurization and denitrification concealed plate knife-type gate valve

Info

Publication number: CN210510338U
Application number: CN201921600403.4U
Authority: CN
Inventors: 季利杰
Original assignee: Zhejiang Angying North Valve Co ltd
Current assignee: Zhejiang Angying North Valve Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-12
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a gate valve technical field just discloses SOx/NOx control dark plate knife type gate valve, including the gate valve and the body of rod, the right side of gate valve is provided with the body of rod, the upper end fixedly connected with support of gate valve, the first bolt base of fixedly connected with below the support, be provided with the valve gap below the first bolt base, the top of valve gap is provided with the screw hole, the connection circle piece has been seted up on the inboard surface of screw hole, the middle part of screw hole just is located the inboard of connecting the circle piece and has seted up the tubulose cavity, fixed mounting has the connection metal frame below the screw hole, the bottom fixed mounting of valve gap has second bolt base. When the desulfurization and denitrification concealed plate knife gate valve is used, the lower cover and the side-blowing whistle mouth are unique, the valve plate can be detached, cleaned, discharged, and the like at any time, is small in size, light in weight and light in material saving, and the gate plate and the sealing surface adopt special designs in the opening and closing processes, so that the friction is less, and the valve plate is durable.

Description

Desulfurization and denitrification concealed plate knife-type gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is SOx/NOx control concealed plate knife gate valve.

Background

Coal dressing, gangue discharge and slag discharge from mine power plants. The method develops urban sewage treatment, and develops from a general industrial pipeline to a professional pipeline system for food, health, medicine and the like. The ultrathin knife gate valve thoroughly solves the difficult problems of large flow resistance, large weight, difficult installation, large occupied area and the like of valves such as common gate valves, flat gate valves, ball valves, stop valves, regulating valves, butterfly valves and the like by the advantages of small volume, small flow resistance, light weight, easy installation, easy disassembly and the like.

The sealing of the existing concealed plate knife type gate valve is mainly a sealing pair between a gate plate and a valve seat, the existing sealing pair is provided with a harder sealing pair and a soft sealing pair, the hard sealing pair is formed by embedding or surfacing welding metal materials at an inlet and an outlet of a valve seat fluid, the sealing is used in a medium of a mixture of coal cinder, ash slag and slag water, the sealing is not wear-resistant, a sealing surface of the sealing is easy to damage, the repairing difficulty is large, the replacement and the maintenance are not convenient, and in addition, the gate valve is complex and difficult to clean in the later stage of cleaning.

SUMMERY OF THE UTILITY MODEL

Wear and tear purpose of being convenient for change and clearance for realizing above-mentioned concealed plate sword type gate valve, the utility model provides a following technical scheme: a desulfurization and denitrification concealed plate knife type gate valve comprises a gate valve and a rod body, wherein the right side of the gate valve is provided with the rod body, the upper end of the gate valve is fixedly connected with a support, a first bolt base is fixedly connected below the support, a valve cover is arranged below the first bolt base, the top of the valve cover is provided with a threaded hole, the inner side surface of the threaded hole is provided with a connecting round block, the middle part of the threaded hole and the inner side of the connecting round block are provided with a tubular cavity, a connecting metal frame is fixedly arranged below the threaded hole, the bottom of the valve cover is fixedly provided with a second bolt base, a middle filler is arranged below the second bolt base, a valve body is arranged below the valve cover, the top surface of the valve body is provided with a movable cavity, the middle part of the valve body is clamped with a flange, and, the left and right sides of flange is provided with first disk seat and second disk seat respectively, the bottom of valve body is provided with down the closing cap, the side of closing cap is provided with the bolt nut down, the body of rod includes the valve rod, the top movable mounting of the body of rod has the cap, and swing joint has the hand wheel below the cap, swing joint has the pressure cover below the hand wheel, swing joint has the bearing below pressing the cover, threaded connection has the nut below the bearing, movable mounting has gland below the nut, the top that just is located the valve rod below gland is provided with the filler, the lower extreme of valve rod is provided with the valve plate.

The utility model has the advantages that: when the desulfurization and denitrification concealed plate knife gate valve is used, the support is connected with the valve cover through the first bolt base and the connecting round block in a threaded manner, the valve cover is movably connected with the valve body through the second bolt base and the upper end of the valve body, so that the valve cover and the valve body can be conveniently disassembled, cleaned and maintained in the later period, the valve rod is inserted in the support, the valve cover and the valve body, the valve plate is matched with the inner cavity of the flange, the valve plate is arranged in the inner cavity of the flange and is fixedly connected with the valve rod, the opening and closing of the gate valve are controlled through the rod body, meanwhile, the gate valve can provide protection for the rod body to prevent the rod body from being excessively damaged, the whole tightness of the gate valve can be improved through the first valve seat and the second valve seat which are attached to the flange, the desulfurization and denitrification concealed plate knife gate valve is a new product developed by the company and has a, the novel gate valve can be detached, cleaned, discharged and the like at any time, is small in size, light in weight, light and material-saving, adopts special design for the gate plate and the sealing surface in the opening and closing processes, has less friction and is durable, so that the novel gate valve is an ideal product in the industries of sewage, coal slurry, syrup, slurry, air, slag-water mixture, water supply, papermaking, mines and the like. The unique patent structure plays a very beneficial role in preventing the blockage of the groove and the like.

As optimization, a connecting round block matched with the upper surface of the first bolt base is arranged on the threaded hole, and the support and the valve cover are connected together through the threaded connection of the first bolt base and the connecting round block, so that the mounting and dismounting are simple in the later period.

As optimization, the valve rod alternates in the inside of support, valve gap and valve body, controls opening and closing of gate valve through the body of rod, and the gate valve can avoid the body of rod to receive too big damage for the body of rod provides the protection simultaneously.

As optimization, the second bolt base is in threaded connection with the upper end of the valve body, the valve cover is movably connected with the valve body through the threaded connection of the second bolt base and the upper end of the valve body, and the interior can be conveniently disassembled, cleaned and maintained in the later stage.

As optimization, the first valve seat and the second valve seat are attached to the flange, and the whole tightness of the gate valve can be improved by attaching the first valve seat and the second valve seat to the flange.

As optimization, the lower sealing cover is in threaded connection with the valve body through the bolts and the nuts, the lower sealing cover is in threaded connection with the lower end of the valve body through the bolts and the nuts, and the lower sealing cover only needs to be detached when the inside of the gate valve is cleaned in the later period, so that the valve is very convenient and fast.

As optimization, the valve plate is matched with the inner cavity of the flange, the valve plate is arranged in the inner cavity of the flange, then the valve plate is fixedly connected with the valve rod through the valve rod, and the rod body is used for opening and closing the internal hollow gate valve.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-gate valve, 2-rod body, 100-bracket, 101-first bolt base, 102-tubular cavity, 103-threaded hole, 104-connecting metal frame, 105-valve cover, 106-middle channel packing, 107-flange hole, 108-first valve seat, 109-valve body, 110-lower sealing cover, 111-second valve seat, 112-valve plate, 113-flange, 114-valve rod, 115-packing, 116-packing gland, 117-nut, 118-bearing, 119-pressing sleeve, 120-hand wheel, 121-nut, 122-connecting round block, 123-movable cavity, 124-second bolt base and 125-bolt nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the concealed plate knife type gate valve for desulfurization and denitrification includes a gate valve 1 and a rod body 2, the right side of the gate valve 1 is provided with the rod body 2, the upper end of the gate valve 1 is fixedly connected with a support 100, the lower side of the support 100 is fixedly connected with a first bolt base 101, the lower side of the first bolt base 101 is provided with a valve cover 105, the top of the valve cover 105 is provided with a threaded hole 103, the upper side of the threaded hole 103 is provided with a connecting round block 122 matched with the upper side of the first bolt base 101, the support 100 is connected with the valve cover 105 through the threaded connection of the first bolt base 101 and the connecting round block 122, the mounting and dismounting at the later stage are simple, the inner side surface of the threaded hole 103 is provided with the connecting round block 122, the middle part of the threaded hole 103 and the inner side of the connecting round block 122 are provided with a tubular cavity 102, the, the middle packing 106 is arranged below the second bolt base 124, the valve body 109 is arranged below the valve cover 105, the second bolt base 124 is in threaded connection with the upper end of the valve body 109, the valve cover 105 is movably connected with the valve body 109 through the threaded connection of the second bolt base 124 and the upper end of the valve body 109, the interior is convenient to disassemble, assemble, clean and maintain in the later period, the movable cavity 123 is formed in the top surface of the valve body 109, the flange 113 is clamped in the middle of the valve body 109, the flange hole 107 is formed in the surface of the flange 113, the first valve seat 108 and the second valve seat 111 are respectively arranged on the left side and the right side of the flange 113, the first valve seat 108 and the second valve seat 111 are both attached to the flange 113, the sealing performance of the whole gate valve 1 can be improved through the attachment of the first valve seat 108 and the second valve seat 111 to the flange 113, the lower sealing cover 110 is arranged at the bottom of the valve body, the lower sealing cover 110 is connected with the lower end of the valve body 109 through the bolt and nut 125, when the inside of the gate valve 1 is cleaned at a later stage, only the lower sealing cover 110 needs to be detached, which is very convenient and fast, the bolt and nut 125 is arranged on the side surface of the lower sealing cover 110, the rod body 2 comprises the valve rod 114, the valve rod 114 is inserted into the support 100, the valve cover 105 and the valve body 109, the opening and closing of the gate valve 1 are controlled through the rod body 2, meanwhile, the gate valve 1 can protect the rod body 2 from being damaged too much, the top of the rod body 2 is movably provided with the cap 121, the lower surface of the cap 121 is movably connected with the hand wheel 120, the lower surface of the hand wheel 120 is movably connected with the pressing sleeve 119, the lower surface of the pressing sleeve 119 is movably connected with the bearing 118, the lower surface of the bearing 118 is connected with the nut 117 through a thread, the lower surface of the nut 117 is movably, valve plate 112 is arranged at the lower end of valve rod 114, valve plate 112 is matched with the inner cavity of flange 113, valve plate 112 is arranged in the inner cavity of flange 113, and then valve rod 114 is fixedly connected with valve plate 112, and the valve of the internal hollow gate valve is opened and closed through rod body 2.

When in use, the desulfurization and denitrification concealed plate knife gate valve is characterized in that the support 100 is connected with the valve cover 105 through the threaded connection of the first bolt base 101 and the connecting round block 122, the valve cover 105 is movably connected with the valve body 109 through the threaded connection of the second bolt base 124 and the upper end of the valve body 109, so that the inside can be conveniently disassembled, cleaned and maintained in the later period, the valve rod 114 is inserted in the support 100, the valve cover 105 and the valve body 109, the valve plate 112 is matched with the inner cavity of the flange 113, the valve plate 112 is arranged in the inner cavity of the flange 113 and then is fixedly connected with the valve plate 112 through the valve rod 114, the opening and closing of the gate valve 1 are controlled through the rod body 2, meanwhile, the gate valve 1 can provide protection for the rod body 2 to avoid the rod body 2 from being excessively damaged, the whole tightness of the gate valve 1 can be improved through the first valve seat 108 and the second valve seat 111 being attached to the flange 113, and the desulfurization and, the side-blowing whistle has unique lower cover and side-blowing whistle, can be detached, cleaned, slag discharged and the like at any time, has small volume, light weight and light material conservation, adopts special design on the flashboard and the sealing surface in the opening and closing processes, has less friction and is durable.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. SOx/NOx control hidden plate sword type gate valve, including gate valve (1) and the body of rod (2), its characterized in that: a rod body (2) is arranged on the right side of the gate valve (1);

the upper end of the gate valve (1) is fixedly connected with a support (100), a first bolt base (101) is fixedly connected with the lower surface of the support (100), a valve cover (105) is arranged below the first bolt base (101), a threaded hole (103) is formed in the top of the valve cover (105), a connecting round block (122) is formed in the inner side surface of the threaded hole (103), a tubular cavity (102) is formed in the middle of the threaded hole (103) and is located on the inner side of the connecting round block (122), a connecting metal frame (104) is fixedly installed below the threaded hole (103), a second bolt base (124) is fixedly installed at the bottom of the valve cover (105), a middle filler (106) is arranged below the second bolt base (124), a valve body (109) is arranged below the valve cover (105), and a movable cavity (123) is formed in the top surface of the valve body (109), a flange (113) is clamped in the middle of the valve body (109), a flange hole (107) is formed in the surface of the flange (113), a first valve seat (108) and a second valve seat (111) are respectively arranged on the left side and the right side of the flange (113), a lower sealing cover (110) is arranged at the bottom of the valve body (109), and a bolt and a nut (125) are arranged on the side surface of the lower sealing cover (110);

the utility model discloses a valve rod, including valve rod (114), the body of rod (2) includes valve rod (114), the top movable mounting of the body of rod (2) has and cap (121), and below swing joint of cap (121) has hand wheel (120), below swing joint of hand wheel (120) has pressure cover (119), below swing joint of pressure cover (119) has bearing (118), threaded connection has nut (117) below bearing (118), below movable mounting of nut (117) has gland (116), the top that just is located valve rod (114) below gland (116) is provided with filler (115), the lower extreme of valve rod (114) is provided with valve plate (112).

2. The doctor blade type gate valve for desulfurization and denitrification according to claim 1, wherein: and a connecting round block (122) matched with the upper surface of the first bolt base (101) is arranged on the threaded hole (103).

3. The doctor blade type gate valve for desulfurization and denitrification according to claim 1, wherein: the valve rod (114) is inserted into the bracket (100), the valve cover (105) and the valve body (109).

4. The doctor blade type gate valve for desulfurization and denitrification according to claim 1, wherein: the second bolt base (124) is in threaded connection with the upper end of the valve body (109).

5. The doctor blade type gate valve for desulfurization and denitrification according to claim 1, wherein: the first valve seat (108) and the second valve seat (111) are attached to the flange (113).

6. The doctor blade type gate valve for desulfurization and denitrification according to claim 1, wherein: the lower sealing cover (110) is in threaded connection with the valve body (109) through a bolt and a nut (125).

7. The doctor blade type gate valve for desulfurization and denitrification according to claim 1, wherein: the valve plate (112) is matched with the inner cavity of the flange (113).