CN203703431U - Rotatable connecting flange for reversing check valve - Google Patents

Rotatable connecting flange for reversing check valve Download PDF

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Publication number
CN203703431U
CN203703431U CN201320864364.5U CN201320864364U CN203703431U CN 203703431 U CN203703431 U CN 203703431U CN 201320864364 U CN201320864364 U CN 201320864364U CN 203703431 U CN203703431 U CN 203703431U
Authority
CN
China
Prior art keywords
flange
flange plate
valve
pipeline
valve body
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.)
Active
Application number
CN201320864364.5U
Other languages
Chinese (zh)
Inventor
王明华
付志博
高志敏
侯卫刚
王忠海
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.)
Angang Group Mining Co Ltd
Original Assignee
Angang Group Mining 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 Angang Group Mining Co Ltd filed Critical Angang Group Mining Co Ltd
Priority to CN201320864364.5U priority Critical patent/CN203703431U/en
Application granted granted Critical
Publication of CN203703431U publication Critical patent/CN203703431U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of dressing equipment, in particular to a rotatable connecting flange for a reversing check valve. The rotatable connecting flange comprises a pipeline flange plate connected with a pipeline, a valve body flange plate connected with a valve body of the reversing check valve, and bolts and nuts for connecting the pipeline flange plate with the valve body flange plate, and is characterized in that the valve body flange plate consists of a connecting disc connected with the valve body, and a rotating disc inserted with the connecting disc, the center of the upper surface of the rotating disc is provided with a circular groove, bolts holes are uniformly formed in the rotating disc along the circumferential direction, the connecting disc is embedded into the circular groove of the rotating disc, and the bolt holes in the rotating disc correspond to bolt holes in the pipeline flange plate. The rotatable connecting flange is simple in structure and relieved in labor intensity of workers. When the reversing check valve is replaced, the mounting time is saved by 50-80 percent, and the replacement is time-saving and labor-saving.

Description

For the flange that is rotatably connected of change-over non-return valve
Technical field
The utility model relates to preparation equipment technical field, particularly a kind of flange that is rotatably connected for change-over non-return valve.
Background technique
Change-over non-return valve is mainly used in the pulp conveying pipeline in ore dressing plant, can in two the slag stock pumps (a-worker-a-backup) that are installed in parallel, play the effect of automatic switchover pulp conveying direction, thereby save the operation of manual control ore pulp flow direction, time saving and energy saving, reduce valve quantity, make whole process system operation more reliable.
A, the B mouth of these parts are connected with two slag stock pumps (a-worker-a-backup) respectively, and C mouth is output terminal, is connected with system pipeline.In the time of A mouth pump work, ore pulp (pressure is generally 0.5MPa left and right) backs down valve body, and valve body is shifted on the valve seat of B mouth, and valve body leans on pressure and the B mouth valve seat close contact of ore pulp, thereby realizes good sealing, and flow of slurry is carried to C mouth and in system; In the time of B mouth pump work, A mouth pump quits work and pressure release, and B mouth slag stock pump is opened operation, and valve body, under ore pulp pressure-acting, is shifted to A mouth valve seat, and now A cause for gossip now seals, and ore pulp is entered by B mouth, flows to C mouth output.
Tri-mouthfuls of change-over non-return valve A, B, C are all connected with pipeline by flange.The adpting flange of the change-over non-return valve using is at present welding type steel fastening flange.In the time changing change-over non-return valve, because the distortion of machining error or pipeline all can make the bolt hole centering difficulty of flange larger, operator will be by knocking, retrotorsion is heated in gas welding or gas cutting excision flange the way centring screw bolt hole such as welded and installed again, much time power.
Model utility content
The purpose of this utility model is to provide a kind of time saving and energy saving, easy to operate flange that is rotatably connected for change-over non-return valve.
The purpose of this utility model is achieved through the following technical solutions:
The flange that is rotatably connected for change-over non-return valve of the present utility model, comprise the pipeline flange plate being connected with pipeline, the valve flange dish being connected with the valve body of change-over non-return valve, the screw bolt and nut of connecting line flange plate and valve flange dish, it is characterized in that described valve flange dish by the land being connected with valve body and the rolling disc that land plugs is therewith formed, the center of described rolling disc upper surface is provided with circular groove and is along the circumferential direction evenly provided with bolt hole, described land embeds in the circular groove of described rolling disc, bolt hole on described rolling disc is corresponding with the bolt hole on described pipeline flange plate.
The feature of the flange that is rotatably connected for change-over non-return valve of the present utility model is:
Because valve flange dish of the present utility model is made up of land and rolling disc two parts, change rotation flange into by original fastening flange, be convenient to centring screw bolt hole, be convenient for changing change-over non-return valve, can save like this installation time of 50-80%, time saving and energy saving.
The utility model is simple in structure, alleviates workman's labor intensity.
Brief description of the drawings
Fig. 1 is the erection drawing of change-over non-return valve of the present utility model and adpting flange.
Fig. 2 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, the flange that is rotatably connected for change-over non-return valve of the present utility model, comprise the pipeline flange plate 2 being connected with pipeline 1, the valve flange dish 3 being connected with change-over non-return valve 5, bolt 4 and the nut of connecting line flange plate 2 and valve flange dish 3, it is characterized in that described valve flange dish 3 by the land 3-2 being connected with change-over non-return valve 5 and the rolling disc 3-1 that land 3-2 plugs is therewith formed, the center of described rolling disc 3-1 upper surface is provided with circular groove and is along the circumferential direction evenly provided with bolt hole 6, bolt hole 6 on described rolling disc 3-1 is corresponding with the bolt hole on described pipeline flange plate 2.Described land 3-2 embeds in the circular groove of described rolling disc 3-1, and this kind of structure is convenient to rotate rolling disc, makes the bolt hole 6 on rolling disc 3-1 corresponding with the screw on pipeline flange plate 2, facilitates workman to install.
The utility model is simple in structure, alleviates workman's labor intensity.In the time changing change-over non-return valve, can save the installation time of 50-80%, time saving and energy saving.

Claims (1)

1. the flange that is rotatably connected for change-over non-return valve, comprise the pipeline flange plate being connected with pipeline, the valve flange dish being connected with the valve body of change-over non-return valve, the screw bolt and nut of connecting line flange plate and valve flange dish, it is characterized in that described valve flange dish by the land being connected with valve body and the rolling disc that land plugs is therewith formed, the center of described rolling disc upper surface is provided with circular groove and is along the circumferential direction evenly provided with bolt hole, described land embeds in the circular groove of described rolling disc, bolt hole on described rolling disc is corresponding with the bolt hole on described pipeline flange plate.
CN201320864364.5U 2013-12-26 2013-12-26 Rotatable connecting flange for reversing check valve Active CN203703431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320864364.5U CN203703431U (en) 2013-12-26 2013-12-26 Rotatable connecting flange for reversing check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320864364.5U CN203703431U (en) 2013-12-26 2013-12-26 Rotatable connecting flange for reversing check valve

Publications (1)

Publication Number Publication Date
CN203703431U true CN203703431U (en) 2014-07-09

Family

ID=51053876

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320864364.5U Active CN203703431U (en) 2013-12-26 2013-12-26 Rotatable connecting flange for reversing check valve

Country Status (1)

Country Link
CN (1) CN203703431U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong

Patentee after: Anshan Iron and Steel Group Mining Co., Ltd.

Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong

Patentee before: Anshan Iron & Steel Group Mining Co., Ltd.