CN108757429A - A kind of liquid plunger locellus pump head - Google Patents

Abstract

The present invention provides a kind of liquid plunger locellus pump head, when the equipment solves the problems, such as the conveying of high-pressure high-flow liquid well, such as maximum pressure when conveying mud is up to 50mpa, maximum stream flow 400L/min simultaneously, it is equipped with power 350Kw, general plunger pump and diaphragm pump are unreachable to, and the elastic membrane of liquid plunger locellus pump head completely cuts off trandfer fluid and liquid plunger, so that plunger is in good working environment, substantially reduces the abrasion and corrosion of rigid plunger；Sliding cylinder extrusion pressure medium, pressure medium serves as the stepless action of liquid plunger in elastic membrane side, elastic membrane deformable squeeze fluid completes conveying, with the variation of fluid load, elastic membrane pressure at both sides synchronizes variation, and elastic membrane does not do pressure-containing member, elastic membrane is avoided to be destroyed by Fluid pressure, pump head output pressure is not limited by elastic membrane self attributes, can adjust elastic membrane size according to discharge capacity demand.

Description

A kind of liquid plunger locellus pump head

Technical field

The invention discloses a kind of liquid plunger locellus pump head equipment, can transport high pressure water, cement mortar, oil, corrosive liquid Body and other fluids, in high-pressure high-flow fluid conveying, Polluted Soil/mud improvement, churning/directional drilling/jet-anchor execution, oil The industries such as probing can be widely used.

Background technology

High-pressure high-flow liquid is conveyed, equipment mostly uses traditional plunger pump and provides at present, and traditional plunger pump disadvantage exists In when conveying mud, mud can damage plunger similar to high -pressure water cutting principle when sealing is slightly revealed, and corrode in conveying When property liquid, due to the poor corrosion resistance of common plunger and cylinder seal, cause pump housing corrosion serious, the service life greatly shortens； Conventional diaphragm pump can solve the above problems but since the limitation of diaphragm material attribute and diaphragm pump structure can not provide completely The high pressure of sufficient demand is provided simultaneously with the conveying of big flow.

Invention content

In order to solve the above problem, the present invention provides a kind of liquid plunger locellus pump head, which solves high pressure well Problem when big flow liquid conveys, such as maximum pressure when conveying mud is up to 50mpa, while maximum stream flow 400L/ Min is equipped with power 350Kw, and general plunger pump and diaphragm pump are unreachable to, and the elastic membrane of liquid plunger locellus pump head will be defeated It send fluid to completely cut off with liquid plunger, so that plunger is in good working environment, substantially reduce the abrasion and corrosion of rigid plunger；Column Squeeze pressure medium is filled in, pressure medium serves as the stepless action of liquid plunger in elastic membrane side, and elastic membrane deformable squeeze fluid is complete At conveying, with the variation of fluid load, elastic membrane pressure at both sides synchronizes variation, and elastic membrane does not do pressure-containing member, avoids elasticity Film is destroyed by Fluid pressure, and pump head output pressure is not limited by elastic membrane self attributes, can be according to discharge capacity demand tune Whole elastic membrane size.

The present invention is realized by following device：

1 pump housing, 2 pump housing seal assemblies, 3 pump housing plungers, 4 pump head seal assemblies, the signal of 5 fuel tanks, 6 oil pipe components, 7 vacuum are opened Valve, 8 high-pressure overflow valves, the signal of 9 oil return boxes, 10 pressure medium cavitys, 11 pressure medium cavity fixing bolts, 12 pressure mediums, 13 elastic membrane pedestal seal assemblies, 14 elastic membrane bottom of chamber seat, 15 elastic membranes, 16 trandfer fluids, 17 elastic membrane cavity glands, 18 is unidirectional Valve seal assembly, 19 import chip check valves, 20 check valve pressing plate for sealing components, 21 import check valve pressing plates, 22 fluid inlets Connector, 23 screw arbor assemblies, 24 baffles, 25 baffle standing screw components, 26 outlet chip check valves, 27 Outlet check valves pressures Plate, hexagonal cylindrical body screw in 28,29 fluid outlet connections, the discharge signal of 30 fluids.

Description of the drawings：

Fig. 1 is liquid plunger locellus pump head structure schematic diagram：

Accompanying drawing number title：1 pump housing, 2 pump housing seal assemblies, 3 pump housing plungers, 4 pump head seal assemblies, the signal of 5 fuel tanks, 6 oil pipes Component, 7 vacuum opening valves, 8 high-pressure overflow valves, the signal of 9 oil return boxes, 10 pressure medium cavitys, 11 pressure medium cavitys fix spiral shell Bolt, 12 pressure mediums, 13 elastic membrane pedestal seal assemblies, 14 elastic membrane bottom of chamber seat, 15 elastic membranes, 16 trandfer fluids, 17 elasticity Membrane cavity gland, 18 check valve seal assemblies, 19 import chip check valves, 20 check valve pressing plate for sealing components, 21 import check valves Pressing plate, 22 fluid inlet connectors, 23 screw arbor assemblies, 24 baffles, 25 baffle standing screw components, 26 outlet chips are unidirectional Valve, 27 Outlet check valves pressing plates, hexagonal cylindrical body screw in 28,29 fluid outlet connections.

Fig. 2 is liquid plunger locellus pump head one stroke operating diagram：

Accompanying drawing number title：30 high-voltage tubes.

Specific implementation mode：

The sealing of 2 pump housing seal assembly, 3 pump housing plunger, 4 pump head is installed, 10 pressure medium cavitys are by 11 pressure mediums on 1 pump housing Cavity fixing bolt is fixed and is pressed on 1 pump housing, and the supplement and overflow dress of 12 pressure mediums are installed on 10 pressure medium cavitys It sets, they are made of 5 fuel tanks signal, 68 high-pressure overflow valve of pressure-resistant 7 vacuum opening valve of connecting tube, 9 oil return box signal, and It is connected on 10 pressure medium cavitys by diagramatic way, filling 12 pressure mediums in 10 pressure medium cavitys serves as liquid column Plug, 12 pressure mediums have certain viscosity and have the function of lubricating and antirust, and 13 elastic membrane bottom of chamber seat is mounted on 10 pressure medium chambers Body down channel is simultaneously sealed by 13 elastic membrane pedestal seal assemblies, and 15 elastic membranes are compressed and sealed, bullet by 17 elastic membrane cavity glands Property film 12 pressure mediums and 16 trandfer fluids are separated make 3 pump housing plungers be in pressure medium package in, substantially reduce rigid post The abrasion and corrosion of plug make to install 19 import chip check valves and close by 18 check valve seal assemblies on 17 elastic membrane cavity glands Envelope, 19 import chip check valves and 21 import check valve pressing plates are sealed by 20 check valve pressing plate for sealing components, 13 elastic membrane pedestals Seal assembly, 14 elastic membrane bottom of chamber seat, 15 elastic membranes, 16 trandfer fluids, 17 elastic membrane cavity glands, 18 check valve seal assemblies, 19 import chip check valves, 20 check valve pressing plate for sealing components, 21 import check valve pressing plates are whole to be fixed simultaneously by 23 screw arbor assemblies It compresses, 22 fluid inlet connectors is installed on 21 import check valve pressing plates, it would be desirable to which 16 trandfer fluids of conveying inject pump head, 17 bullets Property membrane cavity gland one end install 24 baffles, baffle by 25 baffle standing screw components compresses and be fixed on 17 elasticity membrane cavities The purpose of gland side, 22 baffle of setting is vertically to place 26 outlet chip check valves, contributes to 26 outlet chip check valves Opening and closing, 26 outlet chip check valves and 27 Outlet check valves pressing plates are fixed and clamped by hexagonal cylindrical body screw in 28 in 22 water conservancy diversion On block, and sealed by 18 check valve seal assemblies, the identical seal assembly of 20 check valve pressing plate for sealing components, 27 Outlet check valves 29 fluid outlet connections are installed, 30 high-voltage tubes of connection transfer out, and the one stroke discharge of 3 pump housing plungers is a certain amount of on pressing plate 12 pressure mediums, 12 pressure mediums serve as liquid plunger enter elastic membrane cavity stepless action 15 elastic membrane sides squeeze 15 bullets Property film, elastic membrane compressive deformation squeeze 16 trandfer fluids, fluid by 26 outlet chip check valves discharge, elastic membrane both sides are full of 12 pressure mediums and 16 trandfer fluid, 15 elastic membrane of equalization of pressure do not do pressure-containing member, avoid elastic membrane from being under pressure broken It is bad, on the contrary pump housing plunger backhaul generates certain negative pressure, and 16 trandfer fluids are entered bullet by atmospheric pressure through 19 import chip check valves Property membrane cavity, the supplement and overflow mechanism of 12 pressure mediums（Serial number 5,6,7,8,9）When 12 pressure of pressure medium reach setting value In order to ensure that safety, pressure medium are illustrated by 8 high-pressure overflow valve off-loads to 9 oil return boxes, after off-load, 12 pressure medium volumes are not It is sufficient for the backhaul action of 3 pump housing plungers, 15 elastic membranes return to initial position and close 10 pressure medium cavity down channels, 3 pump housing plungers continue backhaul backward, 3 pump housings continue backhaul generate negative pressure of vacuum, atmospheric pressure by 5 fuel tanks illustrate in 12 pressure Medium is supplemented to through 6 pressure-resistant connecting tubes and 7 vacuum opening valves in 10 pressure medium cavitys.

Claims (5)

1. The sealing of 2 pump housing seal assembly, 3 pump housing plunger, 4 pump head is installed, 10 pressure medium cavitys are situated between by 11 pressure on 1.1 pump housings Matter cavity fixing bolt is fixed and is pressed on 1 pump housing, and supplement and the overflow of 12 pressure mediums are installed on 10 pressure medium cavitys Device, they are made of 5 fuel tanks signal, 68 high-pressure overflow valve of pressure-resistant 7 vacuum Fill valve of connecting tube, 9 oil return box signal, And be connected on 10 pressure medium cavitys by diagramatic way, 12 pressure mediums are filled in 10 pressure medium cavitys, 12 pressure are situated between Matter has certain viscosity and has the function of lubricating and antirust, and 13 elastic membrane bottom of chamber seat is mounted on 10 pressure medium cavity down channels simultaneously It is sealed by 13 elastic membrane pedestal seal assemblies, 15 elastic membranes are compressed and sealed by 17 elastic membrane cavity glands, and elastic membrane is by 12 pressure Medium and 16 trandfer fluids, which separate, makes 3 pump housing plungers be in good working environment, substantially reduces the abrasion and corruption of rigid plunger Erosion makes to install 19 import chip check valves on 17 elastic membrane cavity glands and be sealed by 18 check valve seal assemblies, 19 import chips Check valve and 21 import check valve pressing plates are sealed by 20 check valve pressing plate for sealing components, 13 elastic membrane pedestal seal assemblies, 14 bullets Property membrane cavity pedestal, 15 elastic membranes, 16 trandfer fluids, 17 elastic membrane cavity glands, 18 check valve seal assemblies, 19 import chips are unidirectional Valve, 20 check valve pressing plate for sealing components, 21 import check valve pressing plates are integrally fixed and are compressed by 23 screw arbor assemblies, and 21 imports are unidirectional 22 fluid inlet connectors are installed, it would be desirable to which 16 trandfer fluids of conveying inject pump head, 17 elastic membrane cavity gland one end on valve pressing plate 24 baffles are installed, baffle is compressed by 25 baffle standing screw components and is fixed on 17 elastic membrane cavity gland sides, setting The purpose of 22 baffle is vertically to place 26 outlet chip check valves, contributes to the opening and closing of 26 outlet chip check valves, 26 outlets Chip check valve and 27 Outlet check valves pressing plates are fixed and clamped by hexagonal cylindrical body screw in 28 on 22 baffles, and single by 18 To valve seal assembly, the identical seal assembly sealing of 20 check valve pressing plate for sealing components, 29 are installed on 27 Outlet check valves pressing plates Fluid outlet connection, 30 high-voltage tubes of connection transfer out, and a certain amount of 12 pressure medium is discharged in the one stroke of 3 pump housing plungers, 12 pressure mediums are squeezed into elastic membrane cavity stepless action and squeeze 15 elastic membranes in 15 elastic membrane sides, and elastic membrane is by buckling Shape squeezes 16 trandfer fluids, and for fluid by 26 outlet chip check valve discharges, elastic membrane both sides are full of 12 pressure of equalization of pressure Medium and 16 trandfer fluid, 15 elastic membrane do not do pressure-containing member, the destruction for avoiding elastic membrane from being under pressure, otherwise pump housing plunger returns Journey generates certain negative pressure, and 16 trandfer fluids are entered elastic membrane cavity, 12 pressure mediums by atmospheric pressure through 19 import chip check valves Supplement and overflow mechanism（Serial number 5,6,7,8,9）When 12 pressure of pressure medium reach setting value in order to ensure safety, pressure Medium is illustrated by 8 high-pressure overflow valve off-loads to 9 oil return boxes, and 12 pressure medium volumes are insufficient for 3 pump housing columns after off-load The backhaul action of plug, 15 elastic membranes close 10 pressure medium cavity down channels when returning to initial position, 3 pump housing plungers can also be to Backhaul afterwards, 3 pump housings continue backhaul and generate negative pressure of vacuum, and atmospheric pressure connects 12 pressure mediums in the signal of 5 fuel tanks through 6 pressure resistances Pipe and 7 vacuum Fill valves are supplemented in 10 pressure medium cavitys.
2. 2. according to a kind of multi-cylinder equipressure elastic membrane plunger pump described in claims it is characterized in that：Elastic membrane by pressure medium with Trandfer fluid, which separates, makes pump housing plunger be in good working environment, substantially reduces the abrasion and corrosion of rigid plunger.
3. 3. according to a kind of multi-cylinder equipressure elastic membrane plunger pump described in claims it is characterized in that：Elastic membrane both sides are full of pressure Impartial pressure medium and trandfer fluid elastic membrane does not do pressure-containing member, the destruction for avoiding elastic membrane from being under pressure.
4. 4. according to a kind of multi-cylinder equipressure elastic membrane plunger pump described in claims it is characterized in that：It is vertical to export chip check valve It places, contributes to the opening and closing for exporting chip check valve.
5. 5. according to a kind of multi-cylinder equipressure elastic membrane plunger pump described in claims it is characterized in that：It is installed on pressure medium cavity The supplement and overflow mechanism of pressure medium.