CN202756236U - Paste material high-pressure delivery pump - Google Patents
Paste material high-pressure delivery pump Download PDFInfo
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- CN202756236U CN202756236U CN 201220292632 CN201220292632U CN202756236U CN 202756236 U CN202756236 U CN 202756236U CN 201220292632 CN201220292632 CN 201220292632 CN 201220292632 U CN201220292632 U CN 201220292632U CN 202756236 U CN202756236 U CN 202756236U
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Abstract
The utility model provides a paste material high-pressure delivery pump which comprises a material receiving mechanism (1), a pumping oil cylinder (2), a connecting body (3), a pumping cylinder (4), a material sucking valve (5), a material discharging valve (6), a pumping piston (7) and a hydraulic part (8). The pumping oil cylinder (2), the connecting body (3), the pumping cylinder (4), the material sucking valve (5) and the material discharging valve (6) are connected sequentially. The material receiving mechanism (1) is connected with the material sucking valve (5), and the pumping piston (7) is arranged inside the pumping cylinder (4) and connected with a piston rod of the pumping oil cylinder (2). Paste materials are pressurized by the material receiving mechanism (1) and delivered into the pumping cylinder (4) and then are pumped out by the pumping cylinder (4). The volume efficiency of pumping is improved, the sealing pressure of a reversing valve is improved, pumping pressure is also improved, and the demand of long-distance pipeline transportation of the paste materials which are bad in flowability can be satisfied.
Description
Technical field
The utility model relates to the mass transport field, particularly, relates to the body of paste high-pressure delivery pump that pumping has the body of paste material of higher concentration and viscosity higher.
Background technique
The high concentration materials such as coal slime, mud, calcium carbide mud, waste sludge from paper mill, red mud, bof sludge general designation body of paste material, have the advantages that solid content is high, viscosity is large, have hardly at normal temperatures and pressures flowability, only under the pressurization situation, could in conveyance conduit, be the embolism shape and move.In the pipe-line transportation system of high concentration body of paste material, conveyance conduit is subjected to the High Pressure of high concentration body of paste material in the pipeline and produces resiliently deformable, and to high concentration body of paste material generation reaction force in the pipeline, high concentration body of paste material is under the High Pressure.For with S pipe valve, skirt valve, the gate valve pumping equipment as selector valve, when selector valve commutates, conveyance conduit communicates with hopper by selector valve, high concentration body of paste material is backflowed under the effect of pipeline elastic force, cause part or all of high concentration body of paste material to flow back to hopper through selector valve, thereby the volumetric efficiency of pumping is reduced, when fed distance is far away, because regurgitation volume is excessive, even can cause the pumping failure.And because the sealing load of the selector valves such as S pipe valve, skirt valve, gate valve is less, make the pumping pressure of pumping equipment of these valves of adapted too small, in longer fed distance or conveyance conduit, in the pipe-line transportation system of high concentration body of paste material, be difficult to overcome larger transporting resistance.In addition, because high concentration body of paste material fluidity is poor, the suction resistance is large, had a strong impact on the volume effect that pumping equipment sucks, reduced on the one hand the volumetric efficiency of pumping, make on the other hand the pumping cylinder when transferring pumping to by suction, produce larger compression shock, had a strong impact on reliability and the working life of pumping equipment.Therefore, use the pumping equipment of S pipe valve, skirt valve, gate valve to have that suction efficiency is low, material easily backflows, be not suitable for the technical barrier of long-distance transportation through pipeline.
And for the body of paste product pump take taper group valve as selector valve, although adopted the conical change valve of linear sealing, sealing load is high, but still has the following disadvantages:
One. because less, the complex structure of material channel latus rectum in the material sucking valve, turning is more and the curvature at turning is little, causes the suction resistance excessive, greatly reduces the volumetric efficiency of suction, and cause the reduction of pumping efficiency.
Two. when material sucking valve and blow-off valve break down, can only just can overhaul by completely knocked down, maintenance workload is large, length expends time in.
Three. pump output can not be carried out step-less adjustment, makes pipe-line transportation system can not regulate as required quantity delivered, can not satisfy manufacturing process to the requirement of flow.
The model utility content
In order to solve many deficiencies and the defective of above-mentioned existing equipment, the utility model provides a kind of novel body of paste material high-pressure delivery pump.
The first technological scheme of high-pressure delivery pump of the present utility model is that body of paste material high-pressure delivery pump is characterized in that, comprises with lower member:
Material feeding mechanism is used for accepting the body of paste material and it tentatively being pressurizeed, so that the body of paste material is sent into the pumping cylinder with certain positive pressure;
The pumping oil cylinder, it is used for driving pumping piston, and makes pumping piston to-and-fro motion in the pumping cylinder;
Connecting body, it is used for connecting pumping oil cylinder and pumping cylinder;
The pumping cylinder, it is used for sucking and pressurization pumping body of paste material;
Material sucking valve is the conical surface seal valve of line contact or the ball face sealing valve arrangement of line contact, and it is used for the switching of the body of paste material channel between control suction valve chamber and the material feeding mechanism;
Blow-off valve is the conical surface seal valve of line contact or the ball face sealing valve arrangement of line contact, and it is used for the switching of the body of paste material channel between control suction valve chamber and the conveyance conduit;
Pumping piston, it is installed in the pumping cylinder, is connected with the piston rod of described pumping oil cylinder, and can be in to-and-fro motion in the pumping cylinder under the driving of pumping oil cylinder, thereby sucks or material is pumped in pressurization;
Hydraulic part is used for driving pumping oil cylinder, suction valve barrel, discharge valve barrel;
Described pumping oil cylinder, connecting body, pumping cylinder, material sucking valve and blow-off valve link successively, and described material feeding mechanism and material sucking valve link.
Should be noted that: in above-mentioned the first technological scheme, the conical surface seal valve of described line contact refers to that a Sealing has the conical surface, and during sealing, and this conical surface carries out with another Sealing that line contact or leptoprosopy contacts, thus formation linear sealing structure; The ball face sealing valve of described line contact refers to that a Sealing has sphere, and during sealing, and this sphere carries out with another Sealing that line contact or leptoprosopy contacts, thus formation linear sealing structure.
The second technological scheme of body of paste material high-pressure delivery pump of the present utility model is, according to the described body of paste material of above-mentioned the first technological scheme high-pressure delivery pump, it is characterized in that, described material sucking valve comprises suction valve chamber, suction valve head, suction valve barrel, the suction valve chamber is provided with the suction valve opening, suction valve barrel and suction valve chamber link, and the piston rod of suction valve barrel and suction valve head link and can drive the motion of suction valve head, thereby open or shut the suction valve opening; Described blow-off valve comprises discharge valve chamber, discharge valve head, discharge valve barrel, the discharge valve chamber is provided with the discharge valve opening, and discharge valve barrel and discharge valve chamber link, and the piston rod of discharge valve barrel and discharge valve head link, and can drive the motion of discharge valve head, thereby open or shut the discharge valve opening.
The 3rd technological scheme of body of paste material high-pressure delivery pump of the present utility model is, according to the described body of paste material of above-mentioned the second technological scheme high-pressure delivery pump, it is characterized in that, described suction valve barrel is hydraulic cylinder with double piston rods, be that its piston two ends connect respectively a piston rod, two piston rods are stretched out outside the cylinder by the two ends of suction valve barrel, and one of them piston rod connects the suction valve head, and another piston rod is used for triggering position limit switch; Described discharge valve barrel is hydraulic cylinder with double piston rods, and namely its piston two ends connect respectively a piston rod, and two piston rods are stretched out outside the cylinder by the two ends of discharge valve barrel, and one of them piston rod connects the suction valve head, and another piston rod is used for triggering position limit switch.
The 4th technological scheme of high-pressure delivery pump of the present utility model is, according to the above-mentioned second or the 3rd described body of paste material of technological scheme high-pressure delivery pump, it is characterized in that, described material feeding mechanism comprises power section, spiral-tube, screw axis and hopper, power section and spiral-tube link, and hopper and spiral-tube link or be integrally formed with spiral-tube, and screw axis is installed in the spiral-tube, and directly or indirectly link with the clutch end of power section, rotate to drive screw axis.
The 5th technological scheme of high-pressure delivery pump of the present utility model is, according to each described body of paste high-pressure delivery pump in above-mentioned the first to the 3rd technological scheme, it is characterized in that, described hydraulic part comprises flow control device, and it is used for the discharge capacity of regulator solution pressing system output hydraulic pressure oil.
The 6th technological scheme of high-pressure delivery pump of the present utility model is, according to the described body of paste high-pressure delivery pump of above-mentioned the 4th technological scheme, it is characterized in that, described hydraulic part comprises flow control device, and it is used for the discharge capacity of regulator solution pressing system output hydraulic pressure oil.
The 7th technological scheme of high-pressure delivery pump of the present utility model is, according to the described body of paste material of above-mentioned the 4th technological scheme high-pressure delivery pump, it is characterized in that, has access opening at described suction valve chamber and/or discharge valve chamber.
The 8th technological scheme of high-pressure delivery pump of the present utility model is, according to the described body of paste material of above-mentioned the 5th technological scheme high-pressure delivery pump, it is characterized in that, has access opening at described suction valve chamber and/or discharge valve chamber.
The 9th technological scheme of high-pressure delivery pump of the present utility model is, according to the described body of paste high-pressure delivery pump of above-mentioned the 6th technological scheme, it is characterized in that, has access opening at described suction valve chamber and/or discharge valve chamber.
The quantity of the screw axis of the material feeding mechanism described in above-mentioned each technological scheme can be one or more.
Flow control device described in above-mentioned each technological scheme is selected from one or more in variable displacement pump, flow control valve, speed-adjustable motor variable-frequency motor, actuating motor and the direct current generator.
The utility model compared with prior art has following beneficial effect:
1. because material feeding mechanism carries out precharge to the body of paste material, make the negative-pressure suction of pumping cylinder become the malleation material feeding, reduced the difficulty that the body of paste material enters the pumping cylinder, improved the volumetric efficiency of body of paste material to the filling of pumping cylinder.
2. the access opening on material sucking valve and the blow-off valve has made things convenient for maintenance operation to equipment, has reduced labor intensity, has shortened engineering time.
3. adjustable variable-flow hydraulic system has realized the variable-flow pumping body of paste material of body of paste material high-pressure delivery pump, has satisfied the accurate traffic requirement of industrial application.
4. pass through the logical action of material sucking valve, blow-off valve and pumping cylinder, make material sucking valve, blow-off valve close first the valve that should close, open again the valve that should open, and carry out pumping, prevented that the high pressure body of paste material in the conveyance conduit from refluxing by material sucking valve, blow-off valve, improved the volumetric efficiency of pumping, prevented from causing excessive commutation resistance because of the effect of high pressure body of paste material, made commutation more flexible.
Description of drawings
Fig. 1 is the main body schematic diagram (removing material feeding mechanism) of an embodiment's of the utility model body of paste material high-pressure delivery pump.
Fig. 2 is the left view (not comprising hydraulic part) of Fig. 1.
Among the figure: 1 material feeding mechanism, 11 power sections, 12 spiral-tubes, 13 screw axis, 14 material storage hoppers, 2 pumping oil cylinders, 3 connecting bodys, 4 pumping cylinders, 5 material sucking valves, 51 suction valve chambers, 52 suction valve heads, 53 suction valve barrels, 6 blow-off valves, 61 discharge valve chambers, 62 discharge valve heads, 63 discharge valve barrels, 7 pumping pistons, 8 hydraulic parts.
Embodiment
Below in conjunction with embodiment the utility model is described further.
Fig. 1 is the main body schematic diagram after an embodiment's of the utility model body of paste material high-pressure delivery pump removes material feeding mechanism, and Fig. 2 is the left view (not comprising hydraulic part) of Fig. 1.Referring to Fig. 1 and Fig. 2, the body of paste material high-pressure delivery pump of the present embodiment comprises: material feeding mechanism 1, pumping oil cylinder 2, connecting body 3, pumping cylinder 4, material sucking valve 5, blow-off valve 6, pumping piston 7, hydraulic part 8; Wherein material feeding mechanism 1 comprises power section 11, spiral-tube 12, screw axis 13, material storage hopper 14, material sucking valve 5 comprises suction valve chamber 51, suction valve head 52, suction valve barrel 53, blow-off valve 6 comprises discharge valve chamber 61, discharge valve head 62, discharge valve barrel 63, and the sealing surface of suction valve head 52 and discharge valve head 62 is the conical surface or sphere.
Wherein, pumping oil cylinder 2, connecting body 3, pumping cylinder 4, material sucking valve 5 and blow-off valve 6 link successively, and material sucking valve 5 links with material feeding mechanism 1 simultaneously.The pumping oil cylinder 2 of do-part, suction valve barrel 53 and discharge valve barrel 63 link by hydraulic oil pipe and hydraulic part 8 respectively, and can be driven by hydraulic part 8, pumping piston 7 is installed in the pumping cylinder 4 and links with the piston rod of pumping oil cylinder 2, and pumping cylinder 2 communicates with suction valve chamber 51.
Material sucking valve 5 is used for opening or close the body of paste material channel between material feeding mechanism 1 and the suction valve chamber 51, and then material feeding mechanism 1 is communicated with pumping cylinder 4 or disconnects.
Material sucking valve 5 links with pumping cylinder 4 and blow-off valve 6 simultaneously, suction valve chamber 51 is provided with the suction valve opening, suction valve barrel 53 links with suction valve chamber 51, suction valve head 52 is installed in the suction valve chamber 51, and links with the piston of suction valve barrel 53, and suction valve head 52 can move under the driving of suction valve barrel 53, thereby make the suction valve opening open or close, when the material sucking valve bore closure, the taper shape of suction valve head 52 or spherical seal surface contact with the suction valve opening, thereby form linear sealing or leptoprosopy sealing.
Blow-off valve 6 links with material sucking valve 5 and conveyance conduit simultaneously, and the discharge valve chamber communicates with conveyance conduit, blow-off valve 6 is used for opening or cut out the material channel between discharge valve chamber and the suction valve chamber, and then pumping cylinder 4 is linked by suction valve chamber, discharge valve chamber and conveyance conduit.
Blow-off valve 6 is provided with the discharge valve opening, discharge valve barrel 63 links with discharge valve chamber 61, discharge valve head 62 is installed in the discharge valve chamber 61, and link with the piston rod of discharge valve barrel 63, discharge valve head 62 can be under the driving of discharge valve barrel 63 along the axial-movement of discharge valve opening, thereby make the discharge valve opening open or close, when the blow-off valve bore closure, the taper shape of suction valve head 62 or spherical seal surface contact with the discharge valve opening, thereby form linear sealing or leptoprosopy sealing.
Two pumping oil cylinders 2 and two pumping cylinders 4 are installed in respectively connecting body 3 both sides side by side, the rod chamber of two pumping oil cylinders 2 or communicate by oil pipe, thus two pumping oil cylinders can be synchronized with the movement.
Described suction valve chamber 51 and discharge valve chamber 61 are equipped with access opening, are used for maintenance or change the interior part of valve.
The working procedure of the body of paste material high-pressure delivery pump of above-described embodiment of the present utility model is as follows:
1. the body of paste material at first enters material feeding mechanism, and by the screw axis of material feeding mechanism to material sucking valve direction pressurized delivered;
2. the suction valve barrel 53 of bottom advances and lower material sucking valve bore closure, the discharge valve barrel 63 on top is advanced make the blow-off valve bore closure;
3. the suction valve barrel 53 on top retreats the suction valve opening is opened, and the discharge valve barrel 63 of bottom retreats lower discharge valve opening is opened; The pumping oil cylinder 2 on top retreats the pumping piston 7 that drives top and retreats, and makes the pumping cylinder 4 interior suction body of paste materials on top; The pumping piston 7 of the pumping oil cylinder 2 forward drive bottoms of bottom advances, and makes the pumping cylinder 4 of bottom push the body of paste material by suction valve chamber 51, discharge valve chamber 61 to the conveyance conduit pressurization;
4. the suction valve barrel 53 on top advances and makes the material sucking valve bore closure, and the discharge valve barrel 63 of bottom advances and makes lower blow-off valve bore closure;
5. the suction valve barrel 53 of bottom retreats lower suction valve opening is opened, and the discharge valve barrel 63 on top retreats the discharge valve opening is opened; The pumping oil cylinder 2 of bottom retreats the pumping piston 7 that drives the bottom and retreats, and makes the pumping cylinder 4 interior suction body of paste materials of bottom; The pumping piston 7 on the pumping oil cylinder 2 forward drive tops on top advances, and makes the pumping cylinder 4 on top push the body of paste material by suction valve chamber 51, discharge valve chamber 61 to the conveyance conduit pressurization;
By above-mentioned the 2nd to the 5th program, the pumping cylinder alternately sucks and pumps material up and down, move in circles, thereby realization is to the continuous conveying of body of paste material.
Above-described embodiment also can consist of new embodiment by selecting, substitute or making up to following single or multiple technical characteristicss.
For example, body of paste material high-pressure delivery pump of the present utility model, can also comprise support, the actuator of described body of paste material high-pressure delivery pump is installed on the support, and can be fixed on the ground by support, described hydraulic part is installed on another support, and can be fixed on the ground by support, and the hydraulic power part links by hydraulic oil pipe and do-part.
Body of paste material high-pressure delivery pump of the present utility model, described pumping oil cylinder 2, pumping cylinder 4, material sucking valve 5, blow-off valve 6 and corresponding suction valve opening, discharge valve opening, suction valve barrel 53, discharge valve barrel 63 are can quantity identical, all are 1.
Body of paste material high-pressure delivery pump of the present utility model, described pumping oil cylinder 2, pumping cylinder 4, material sucking valve 5, blow-off valve 6 and corresponding suction valve opening, discharge valve opening, suction valve barrel 53, discharge valve barrel 63 are can quantity identical, all are more than 2 or 2.
Body of paste material high-pressure delivery pump of the present utility model, the quantity of described screw axis 13 can be 1.
Body of paste material high-pressure delivery pump of the present utility model, the quantity of described screw axis 13 can be more than 2 or 2.
Body of paste material high-pressure delivery pump of the present utility model can only be provided with access opening at described suction valve chamber 51, is used for maintenance or changes the interior part of valve.
Body of paste material high-pressure delivery pump of the present utility model can only be provided with access opening at described discharge valve chamber 61, is used for maintenance or changes the interior part of valve.
Body of paste material high-pressure delivery pump of the present utility model can be equipped with access opening at described material sucking valve 51 and discharge valve chamber 61, is used for maintenance or changes the interior part of valve.
Body of paste high-pressure delivery pump of the present utility model, described material storage hopper 14 can constitute integrative-structure with spiral-tube 12, and namely the two consists of a non-removable part.
Body of paste material high-pressure delivery pump of the present utility model, described hydraulic part and do-part can be linked together, and can be fixed on the same support.
Body of paste material high-pressure delivery pump of the present utility model, its hydraulic system can also comprise flow control device, and it is used for the discharge capacity of regulator solution pressing system output hydraulic pressure oil, and described flow control device can be stepless flow control device.
Body of paste material high-pressure delivery pump of the present utility model, can be by the output flow of variable displacement pump regulator solution pressing system, described variable displacement pump can be electrohydraulic proportional variable pump or servo variable pump, by regulating electrohydraulic proportional variable pump or servo variable pump, its discharge capacity is changed, thus the pump output that level is arranged or infinitely regulate body of paste material high-pressure delivery pump.
Body of paste material high-pressure delivery pump of the present utility model can be by the output flow of flow control valve regulator solution pressing system.
Body of paste material high-pressure delivery pump of the present utility model also can be by the output flow of speed-adjustable motor regulator solution pressing system.
Body of paste material high-pressure delivery pump of the present utility model also can pass through to change the rotational speed regulation hydraulic pressure pump delivery of variable-frequency motor, thus the pump output that level is arranged or infinitely regulate body of paste material high-pressure delivery pump.
Body of paste material high-pressure delivery pump of the present utility model also can pass through to change the rotational speed regulation hydraulic pressure pump delivery of actuating motor, thus the pump output that level is arranged or infinitely regulate body of paste material high-pressure delivery pump.
Body of paste material high-pressure delivery pump of the present utility model also can pass through to change the rotational speed regulation hydraulic pressure pump delivery of direct current generator, thus the pump output that level is arranged or infinitely regulate body of paste material high-pressure delivery pump.
Body of paste material high-pressure delivery pump of the present utility model, described suction valve barrel 53 can be hydraulic cylinder with double piston rods, be that its piston two ends connect respectively a piston rod, two piston rods are stretched out outside the cylinder by the two ends of suction valve barrel 53, one of them piston rod connects suction valve head 52, and another piston rod is used for triggering position limit switch.
Body of paste high-pressure delivery pump of the present utility model, described discharge valve barrel 63 can be hydraulic cylinder with double piston rods, be that its piston two ends connect respectively a piston rod, two piston rods are stretched out outside the cylinder by the two ends of discharge valve barrel 63, one of them piston rod connects suction valve head 62, and another piston rod is used for triggering position limit switch.
More than narrated embodiment of the present utility model and various modification thereof, but protection domain of the present utility model is not limited, protection domain of the present utility model is documented in the claim of the present utility model.
Claims (9)
1. body of paste material high-pressure delivery pump is characterized in that, comprises with lower member:
Material feeding mechanism (1) is used for accepting the body of paste material and it tentatively being pressurizeed, so that the body of paste material is sent into pumping cylinder (4) with certain positive pressure;
Pumping oil cylinder (2), it is used for driving pumping piston (7), and makes pumping piston (7) to-and-fro motion in pumping cylinder (4);
Connecting body (3), it is used for connecting pumping oil cylinder (2) and pumping cylinder (4);
Pumping cylinder (4), it is used for sucking and pressurization pumping body of paste material;
Material sucking valve (5) for the conical surface seal valve of line contact or the ball face sealing valve arrangement of line contact, is used for the switching of the body of paste material channel between control suction valve chamber and the material feeding mechanism (1);
Blow-off valve (6) is the conical surface seal valve of line contact or the ball face sealing valve arrangement of line contact, and it is used for the switching of the body of paste material channel between control suction valve chamber and the conveyance conduit;
Pumping piston (7), it is installed in the pumping cylinder (4), is connected with the piston rod of described pumping oil cylinder (2), and can be in to-and-fro motion in pumping cylinder (4) under the driving of pumping oil cylinder (2); And
Hydraulic part (8) is used for driving pumping oil cylinder (2), suction valve barrel (53), discharge valve barrel (63);
Described pumping oil cylinder (2), connecting body (3), pumping cylinder (4), material sucking valve (5) and blow-off valve (6) link successively, and described material feeding mechanism (1) links with material sucking valve (5).
2. body of paste material high-pressure delivery pump according to claim 1, it is characterized in that, described material sucking valve (5) comprises suction valve chamber (51), suction valve head (52), suction valve barrel (53), suction valve chamber (51) is provided with the suction valve opening, suction valve barrel (53) links with suction valve chamber (51), the piston rod of suction valve barrel (53) and suction valve head (52) link and can drive suction valve head (52) motion, thereby open or shut the suction valve opening; Described blow-off valve (6) comprises discharge valve chamber (61), discharge valve head (62), discharge valve barrel (63), discharge valve chamber (61) is provided with the discharge valve opening, discharge valve barrel (63) links with discharge valve chamber (61), the piston rod of discharge valve barrel (63) and discharge valve head (62) link, and can drive discharge valve head (62) motion, thereby open or shut the discharge valve opening.
3. body of paste material high-pressure delivery pump according to claim 2, it is characterized in that, described suction valve barrel (53) is hydraulic cylinder with double piston rods, be that its piston two ends connect respectively a piston rod, two piston rods are stretched out outside the cylinder by the two ends of suction valve barrel (53), one of them piston rod connects suction valve head (52), and another piston rod is used for triggering position limit switch; Described discharge valve barrel (63) is hydraulic cylinder with double piston rods, be that its piston two ends connect respectively a piston rod, two piston rods are stretched out outside the cylinder by the two ends of discharge valve barrel (63), one of them piston rod connects suction valve head (62), and another piston rod is used for triggering position limit switch.
4. according to claim 2 or 3 described body of paste high-pressure delivery pumps, it is characterized in that, described material feeding mechanism (1) comprises power section (11), spiral-tube (12), screw axis (13) and hopper (14); Power section (11) links with spiral-tube (12), hopper (14) links with spiral-tube (12) or is integrally formed with spiral-tube (12), screw axis (13) is installed in the spiral-tube (12), and directly or indirectly link with the clutch end of power section (11), rotate to drive screw axis.
5. each described body of paste material high-pressure delivery pump in 3 according to claim 1 is characterized in that, described hydraulic part (8) comprises flow control device, and it is used for the discharge capacity of regulator solution pressing system output hydraulic pressure oil.
6. body of paste material high-pressure delivery pump according to claim 4 is characterized in that, described hydraulic part (8) comprises flow control device, and it is used for the discharge capacity of regulator solution pressing system output hydraulic pressure oil.
7. body of paste material high-pressure delivery pump according to claim 4 is characterized in that, has access opening at described suction valve chamber (51) and/or discharge valve chamber (61).
8. body of paste material high-pressure delivery pump according to claim 5 is characterized in that, has access opening at described suction valve chamber (51) and/or discharge valve chamber (61).
9. body of paste high-pressure delivery pump according to claim 6 is characterized in that, has access opening at described suction valve chamber (51) and/or discharge valve chamber (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292632 CN202756236U (en) | 2012-06-21 | 2012-06-21 | Paste material high-pressure delivery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292632 CN202756236U (en) | 2012-06-21 | 2012-06-21 | Paste material high-pressure delivery pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756236U true CN202756236U (en) | 2013-02-27 |
Family
ID=47735421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220292632 Withdrawn - After Issue CN202756236U (en) | 2012-06-21 | 2012-06-21 | Paste material high-pressure delivery pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720671A (en) * | 2012-06-21 | 2012-10-10 | 中矿(天津)环保设备有限公司 | High-pressure paste delivery method and high-pressure paste delivery pump |
-
2012
- 2012-06-21 CN CN 201220292632 patent/CN202756236U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720671A (en) * | 2012-06-21 | 2012-10-10 | 中矿(天津)环保设备有限公司 | High-pressure paste delivery method and high-pressure paste delivery pump |
| CN102720671B (en) * | 2012-06-21 | 2014-12-03 | 中矿(天津)环保设备有限公司 | High-pressure paste delivery method and high-pressure paste delivery pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130227 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |