CN201043610Y

CN201043610Y - Polymerizer bottom valve

Info

Publication number: CN201043610Y
Application number: CNU2007200370127U
Authority: CN
Inventors: 杨连成
Original assignee: ZHEJIANG JINGGONG VALVE FACTORY
Current assignee: ZHEJIANG JINGGONG VALVE FACTORY
Priority date: 2007-04-20
Filing date: 2007-04-20
Publication date: 2008-04-02
Anticipated expiration: 2017-04-20

Abstract

The utility model relates to a valve in the field of universal machines, in particular to a polymerization kettle bottom valve which is applied to a special discharging device used after the polymerization reaction of compounds in the chemical engineering. In the technical scheme applied by the utility model, the polymerization kettle bottom valve comprises a valve body with a channel, a valve seat firmly arranged on the channel of the valve body and a valve core cooperating with the valve seat to control the flow of the channel, wherein, a flange is firmly arranged on the upper end of the valve body, one end of the valve core penetrates the flange to cooperate with the valve seat, the other end is positioned outside the valve body, long supports are firmly arranged on the periphery of the flange, which is positioned on the other side of the fixed valve body and encircles the valve core, and hydraulically and manually operated mechanisms which control the cooperation of the valve core and the valve seat are arranged on the upper parts of the supports. By applying the scheme, the utility model resolves the defects of the prior art and provides a new polymerization kettle bottom valve which has the advantages of reasonable structure and convenient switching from automatic operation to manual operation.

Description

Polymerization kettle bottom valve

Technical field

The utility model relates to the valve in the universal machine field, refer more particularly to polymerization kettle bottom valve, polymerization kettle bottom valve is to be applied in the special-purpose tapping equipment of doing in the chemical engineering after the compound polymerisation, it bears work under 450 ℃ of high temperature of effulent, this device belongs to intelligentized product, it is regulated automatically, control flow rate size and on-off action, all control by computer, and be designed to surge and two kinds of systems' compositions of manual control, based on the oil cylinder control gear that surges, be equipped with the manually-operable stand-by provision.

Background technique

For many years, the bottom valve of crystallization or reactor in the Chemical Manufacture, usually adopt the Stainless Steel Ball Valve or the engineering plastics ball valve of standard universal type, the use of some other form valves is also arranged certainly, introduce a cover as China refreshing horse group from Italy and produce 6.5 ten thousand tons nylon salt slicing device per year.After going into operation in 1998, the problem that the production domesticization of equipment and the supply problem of spare part have just become the said firm to be eager to solve, since our factory with the long-term cooperative process of the said firm in, the technical capability of our factory, quality, after sales service and prestige etc. have all obtained the approval of the said firm, thereby have won the task that the production domesticization spare part is provided for the said firm.Polymerization kettle bottom valve is one of numerous production domesticization standby redundancy of providing for the said firm of our factory.Though this polymeric kettle is better than Stainless Steel Ball Valve or engineering plastics ball valve in the performance aspect some, and function and structure are all fairly perfect and compact, but it still exists following shortcomings: 1, can not regulate the size of flow automatically, often will lean on manual tune, so workload is big; 2, spool is not closed completely, and valve head and valve rod are easily pulled, because the control cylinder structure is simple, the interior leakage of oil cylinder makes the oil pressure instability, and insulating efficiency is low; 3, nonmetal Sealing can't be purchased at home, brings very big trouble in case go wrong to maintenance; 4, switch to manually-operable from automatic operation after, the extremely problem such as inconvenience of working; 5, the channel wall in the valve body is of rude workmanship, so when thick polymer flows through valve channel, can be bonded on the channel wall.

Summary of the invention

The utility model has overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, and operation switches to a kind of very easily novel polymerization kettle bottom valve of manually-operable automatically.

Realize above-mentioned purpose, the utility model adopts following technological scheme: a kind of polymerization kettle bottom valve, include the valve body that has passage, be fixedly installed on the valve seat on the passage of valve body and cooperate the spool of control channel flow with valve seat, described valve body upper end fixedly installs a flange, spool one end passes flange and cooperates with valve seat, the other end places outside the valve body, the opposite side that is positioned at fixed valve body of described flange is set with long struts around the periphery of spool, and the upper end portion of this pillar is provided with surge operating device and the manual-operating mechanism that the control spool cooperates with valve seat.

Further setting of the present utility model is: the described operating device that surges is fixed by the flange that is fixedly installed on the pillar upper end, the described operating device that surges includes oil cylinder, the middle cover and the connecting rod that are linked with the oil cylinder inner carrier, in overlapping during connecting rod top is socketed on, the connecting rod lower end is connected by link with the outer end of valve body that places of spool, the pillar place that places of cover is socketed with the nut that cooperates degree of tightness between control cover and the connecting rod in described, described manual-operating mechanism includes the underpart and is socketed on screw mandrel in the middle cover in the operating device that surges, this screw mandrel and pitman shaft are to being connected, be arranged on the screw on the screw mandrel, be socketed on the screw and constitute the handwheel that is linked with it and be socketed in screw outer and with the screw body that middle cover is rotatably assorted circumferentially, be provided with bearing between this screw body and the screw.

Of the present utility model further the setting again is: described oil cylinder upper and lower end parts is respectively arranged with joint, the slippage activity up and down between two joints of oil cylinder of described piston correspondence.

Of the present utility model further the setting again is: be provided with at least two pairs of seal rings between described piston and the oil cylinder inner arm, also be provided with at least two pairs of seal rings between two ends and the middle cover about the described oil cylinder, described valve body is provided with spiral flow channel, and the channel surface in the described valve body is arranged to smooth surface.

Beneficial effect: fixedly install a flange by adopting described valve body upper end, spool one end passes flange and cooperates with valve seat, the other end places outside the valve body, the opposite side that is positioned at fixed valve body of described flange is set with long struts around the periphery of spool, the upper end portion of this pillar is provided with surge operating device and this scheme of manual-operating mechanism that the control spool cooperates with valve seat, then can according to the actual requirements the switch of polymerization kettle bottom valve or the control of flow be carried out manually or the conversion of surging.Again owing to adopt the described operating device that surges to fix by the flange that is fixedly installed on the pillar upper end, the described operating device that surges includes oil cylinder, the middle cover and the connecting rod that are linked with the oil cylinder inner carrier, in overlapping during connecting rod top is socketed on, the connecting rod lower end is connected by link with the outer end of valve body that places of spool, the pillar place that places of cover is socketed with the nut that cooperates degree of tightness between control cover and the connecting rod in described, described manual-operating mechanism includes the underpart and is socketed on screw mandrel in the middle cover in the operating device that surges, this screw mandrel and pitman shaft are to being connected, be arranged on the screw on the screw mandrel, be socketed on the screw and constitute the handwheel that is linked with it and be socketed in screw screw body outer and that be rotatably assorted circumferentially with middle cover, be provided with this scheme of bearing between this screw body and the screw, then can be by cover in the rotation place the pillar place to be socketed with the nut that cooperates degree of tightness between control cover and the connecting rod just can to control employing and manually still surge, conversion is very convenient like this, and this scientific and reasonable for structure.Be provided with at least two pairs of seal rings between last described piston and the oil cylinder inner arm, also be provided with at least two pairs of seal rings between two ends and the middle cover about the described oil cylinder, can realize that like this zero in the working procedure revealed and long pressurize; Described valve body is provided with spiral flow channel, and the channel surface in the described valve body is arranged to smooth surface, can be that the insulation conduction oil realizes that in valve body heat evenly distributes like this.Thereby make the polymer thermally equivalent that flows through in the passage, moreover channel surface is arranged to smooth surface, can conveniently removes the polymer that is attached in the passage.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the utility model embodiment's a stereogram;

Fig. 2 is the utility model embodiment's a structural representation;

Fig. 3 is the A portion enlarged view of Fig. 2;

Fig. 4 is the B portion enlarged view of Fig. 2;

Fig. 5 is the C portion enlarged view of Fig. 2;

Fig. 6 is the D portion enlarged view of Fig. 2.

Embodiment

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, a kind of polymerization kettle bottom valve, include the valve body 1 that has passage, be fixedly installed on the valve seat 2 on the passage 11 of valve body 1 and cooperate the spool 3 of control channel 11 flows with valve seat 2, cooperating of this spool 3 and valve seat 2 can control valve body 1 passage, 11 conductings and close, and size that can control channel 11 flows; Described valve body 1 upper end fixedly installs a flange 4, spool 1 one ends pass flange 4 and cooperate with valve seat 2, the other end places outside the valve body 1, the opposite side that is positioned at fixed valve body 1 of described flange 4 is set with long struts 5 around the periphery of spool 3, this pillar 5 grows and exposes valve body 1 part in spool 3, be provided with surge operating device 6 and manual-operating mechanism 7 that control spool 3 cooperates with valve seat 2 in the upper end portion of pillar 5, like this in the utility model embodiment, can according to the actual requirements the Push And Release of polymerization kettle bottom valve or the control of flow be carried out manually or the conversion of surging.

In the utility model embodiment, the described operating device 6 that surges is fixing by the flange 8 that is fixedly installed on pillar 5 upper ends, the described operating device 6 that surges includes oil cylinder 61, the middle cover 63 and the connecting rod 64 that are linked with oil cylinder 61 inner carriers 62, overlap in 63 during connecting rod 64 tops are socketed on, connecting rod 64 lower ends are connected by link 9 with the valve body 1 outer end that places of spool 3, wherein said oil cylinder 61 upper and lower end parts are respectively arranged with joint 611, the slippage activity up and down between two joints 611 of oil cylinder 61 of described piston 62 correspondences.Pillar 5 places that place of cover 63 are socketed with the nut 10 that cooperates degree of tightness between control cover 63 and the connecting rod 64 in described, described manual-operating mechanism 7 includes the underpart and is socketed on screw mandrel 71 in the middle cover 63 in the operating device 6 that surges, this screw mandrel 71 axially is connected with connecting rod 64, be arranged on the screw 72 on the screw mandrel 71, be socketed on the screw 72 and constitute the handwheel 73 that is linked with it and be socketed in screw 72 outer and with the screw body 74 that middle cover 63 is rotatably assorted circumferentially, be provided with bearing 75 between this screw body 74 and the screw 72.The concrete selection principle of these two kinds of mechanisms is, pillar 5 places that place that screw cover 63 are socketed with the nut 10 that cooperates degree of tightness between control cover 63 and the connecting rod 64, cover 63 and connecting rod 64 cooperate closely in making, cover 63 and connecting rod 64 are linked in the axial direction like this, at this moment can adopt hydraulic mechanism 6 to drive spool 3, thus control valve work; Unscrew nut 10, cover 63 and connecting rod 64 matching looses in making, middle like this cover 63 and connecting rod 64 can relatively move in the axial direction, at this moment can adopt man-operated mechanism 7 to drive spools 3, thus control valve work.Hydraulic mechanism 6 operating principles are, a wherein joint 611 feed liquors in the last lower contact 611, and another joint 611 is with regard to discharge opeing, and then piston 62 is promoted to opposite side by the fluid pressure of this side of feed liquor, moves thereby drive piston 62; Man-operated mechanism 7 specific operation principles are, rotation hand wheel 73 drives screw 72 and rotates, at this moment since screw 72 be fixed in the axial direction by screw body 74 on the cover 63, so passive rising or the decline of screw mandrel 71, thereby drivening rod 64 and spool 3 are axially movable.

In the utility model embodiment, be provided with at least two pairs of seal rings 65 between described piston 62 and oil cylinder 61 inner arms, described oil cylinder also is provided with at least two pairs of seal rings 66 between two ends and the middle cover 63 about in the of 61, can realize that like this zero in the working procedure reveal and pressurize for a long time; Described valve body 1 is provided with spiral flow channel 12, can be that the insulation conduction oil realizes that in valve body 1 heat evenly distributes like this.Thereby make the polymer thermally equivalent that flows through in the passage 11; Smooth surface is arranged on passage 11 surfaces in the described valve body 1, then can conveniently remove the polymer that is attached in the passage 11.

Certainly, the utility model is except the above-mentioned embodiment who chats, and is any in any improvement or the accommodation made based on total invention thought of the present invention, all within the utility model protection domain.

Claims

1. polymerization kettle bottom valve, include the valve body that has passage, be fixedly installed on the valve seat on the passage of valve body and cooperate the spool of control channel flow with valve seat, it is characterized in that: described valve body upper end fixedly installs a flange, spool one end passes flange and cooperates with valve seat, the other end places outside the valve body, the opposite side that is positioned at fixed valve body of described flange is set with long struts around the periphery of spool, and the upper end portion of this pillar is provided with surge operating device and the manual-operating mechanism that the control spool cooperates with valve seat.

2. polymerization kettle bottom valve according to claim 1, it is characterized in that: the described operating device that surges is fixed by the flange that is fixedly installed on the pillar upper end, the described operating device that surges includes oil cylinder, the middle cover and the connecting rod that are linked with the oil cylinder inner carrier, in overlapping during connecting rod top is socketed on, the connecting rod lower end is connected by link with the outer end of valve body that places of spool, the pillar place that places of cover is socketed with the nut that cooperates degree of tightness between control cover and the connecting rod in described, described manual-operating mechanism includes the underpart and is socketed on screw mandrel in the middle cover in the operating device that surges, this screw mandrel and pitman shaft are to being connected, be arranged on the screw on the screw mandrel, be socketed on the screw and constitute the handwheel that is linked with it and be socketed in screw outer and with the screw body that middle cover is rotatably assorted circumferentially, be provided with bearing between this screw body and the screw.

3. polymerization kettle bottom valve according to claim 1 and 2 is characterized in that: described oil cylinder upper and lower end parts is respectively arranged with joint, the slippage activity up and down between two joints of oil cylinder of described piston correspondence.

4. polymerization kettle bottom valve according to claim 1 and 2, it is characterized in that: be provided with at least two pairs of seal rings between described piston and the oil cylinder inner arm, also be provided with at least two pairs of seal rings between two ends and the middle cover about the described oil cylinder, described valve body is provided with spiral flow channel, and the channel surface in the described valve body is arranged to smooth surface.

5. polymerization kettle bottom valve according to claim 3, it is characterized in that: be provided with at least two pairs of seal rings between described piston and the oil cylinder inner arm, also be provided with at least two pairs of seal rings between two ends and the middle cover about the described oil cylinder, described valve body is provided with spiral flow channel, and the channel surface in the described valve body is arranged to smooth surface.