CN111514628A - Efficient energy-saving plunger pump for filter press and working method thereof - Google Patents
Efficient energy-saving plunger pump for filter press and working method thereof Download PDFInfo
- Publication number
- CN111514628A CN111514628A CN202010376676.6A CN202010376676A CN111514628A CN 111514628 A CN111514628 A CN 111514628A CN 202010376676 A CN202010376676 A CN 202010376676A CN 111514628 A CN111514628 A CN 111514628A
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- CN
- China
- Prior art keywords
- pressure oil
- oil pump
- pump
- pressure
- plunger pump
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/30—Feeding devices ; Discharge devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses an efficient energy-saving plunger pump for feeding of a filter press, which comprises a frame, a plunger pump body and a high-pressure oil pump, wherein the plunger pump and the high-pressure oil pump are arranged on the frame, the plunger pump is arranged on the left side of the frame, the high-pressure oil pump is arranged on the right side of the frame, the high-pressure oil pump is connected with the plunger pump through a hose line, the hose line is provided with a one-way valve, and the box body of the high-pressure oil pump is provided with a pressure gauge. Adopt two high-pressure oil pump drive plunger reciprocating work earlier at the feeding of pressure filter to carry the feeding, utilize the large-traffic drive of high-pressure oil pump to carry out quick filler, can utilize single oil pump work high pressure feeding at a slow speed again, the filter-pressing in later stage is carried out to the advantage that pressure rises step by step, realize the improvement of feeding efficiency through this kind of combination, simple structure, can effectual reduction feeding energy consumption, shorten the charge-in time, accord with the demand of pressure filter feeding flow.
Description
Technical Field
The invention relates to the field of filter presses, in particular to a high-efficiency energy-saving plunger pump for a filter press and a working method thereof.
Background
At present, a pump of a filter press is selected according to the running condition of the filter press, the pressure of the filter press is gradually increased from nothing to nothing in a feeding period, the pressure of the feeding pump is required to be correspondingly increased, the pump is started to carry out large-flow conveying, a filter chamber of the filter press is filled with materials during filter pressing, the pressure is further increased, the pump flow is further reduced, and at the moment, the pump provides high feeding pressure to extrude the materials to remove moisture.
At present, a centrifugal pump or a slurry pump and a single oil pump hydraulic plunger pump are adopted in a filter press to serve as a feeding pump of the filter press, but the centrifugal pump is large in energy consumption, large in flow and high in lift, but when the filter press is saturated to generate resistance pressure, automatic variable and variable speed cannot be achieved, power consumption loss is caused, filter pressing time is long, abrasion to equipment is large, loss of equipment parts is caused, replacement frequency is high, and production efficiency is also influenced.
Disclosure of Invention
In order to realize the purpose, the following technical scheme is provided:
the utility model provides an energy-efficient plunger pump for pressure filter, includes frame, plunger pump and high-pressure oil pump, its characterized in that: plunger pump and high-pressure oil pump are installed in the frame, high-pressure oil pump includes high-pressure oil pump case, high-pressure oil pump, driving motor and check valve, high-pressure oil pump case top surface is fixed with driving motor, high-pressure oil tank one side is equipped with the pneumatic cylinder, the pneumatic cylinder passes through pipe connection the check valve, driving motor passes through the check valve and connects high-pressure oil pump, the high-pressure oil pump incasement is equipped with the oil pump filter, the check valve passes through pipe connection high-pressure oil pump, the plunger pump installation the left side of frame, the high-pressure oil pump is installed the right side of frame, the high-pressure oil pump passes through the hose way with the plunger pump and links to each other, be equipped with the manometer.
Preferably, the number of the driving high-pressure oil pumps arranged on the plunger pump is two.
Preferably, the flow of the plunger pump adopts a low-pressure large-flow double oil pump and a high-pressure small-flow single oil pump to work.
A working method of an efficient energy-saving plunger pump for a filter press is characterized by comprising the following steps:
a. by using the high-efficiency energy-saving plunger pump structure of the filter press as claimed in claim 1, starting the two high-pressure oil pumps with the same power or a combination of high power and low power, and driving a double-cylinder plunger piston to extract materials to be quickly fed into the filter press through the high-pressure oil pumps;
b. the method comprises the following steps of pumping materials into a filter press, driving a double-cylinder plunger pump to feed materials rapidly and in a large flow rate by two high-pressure oil pumps, and when the total saturated pressure value of a filter chamber of the filter press reaches 0.5-1.0 Mpa, automatically disconnecting one high-pressure oil pump to stop working, and only keeping one high-pressure oil pump to feed materials slowly and in a high pressure at a low flow rate until the feeding is finished.
The invention has the beneficial effects that: compared with the prior art, through adopting two high-pressure oil pump drive double-cylinder plunger pump quick large-traffic feeding to fill thick liquids in earlier stage fast, the filter-pressing in later stage is carried out to the advantage that later stage high pressure low discharge, pressure gradually rises, realizes the improvement of feeding efficiency through this kind of combination, and simple structure can effectual reduction feeding energy consumption, shortens the charge-in time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a high-pressure oil pump disclosed by the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
1. As shown in fig. 1-2, a high-efficiency energy-saving plunger pump for a filter press comprises a frame 1, a plunger pump 2 and a high-pressure oil pump 3, wherein the plunger pump 1 and the high-pressure oil pump 3 are mounted on the frame 1, the high-pressure oil pump 3 comprises a high-pressure oil pump box 31, an oil pump 32, a driving motor 33 and a one-way valve 34, the driving motor 33 is fixed on the top surface of the high-pressure oil pump box 31, a hydraulic cylinder 35 is arranged on one side of the high-pressure oil pump box 31, the hydraulic cylinder 35 is connected with the one-way valve 36 through a conduit, the driving motor 33 is connected with the oil pump 32 through a check valve 37, an oil pump filter 38 is arranged in the high-pressure oil pump box 31, the one-way valve 36 is connected with the oil pump 32 through a pipeline, the plunger pump 2 is mounted on the left side of the frame 1, the high-, the check valve 36 is provided with a pressure gauge 39. The flow of the plunger pump 1 can be divided into two stages, namely high-speed low pressure in the early stage and low-speed high pressure in the later stage.
Example 2
2. As shown in fig. 1-2, by using the high-efficiency energy-saving 25-stage plunger pump structure described in embodiment 1, the two high-pressure oil pumps 2 with the same power or one large and one small are started to drive the double-cylinder plunger pump to quickly feed materials into the filter press, the two high-pressure oil pumps quickly feed materials at a large flow rate, and when the total pressure value of the pressure in the filter chamber of the filter press reaches 0.5-1.0 Mpa, one of the high-pressure oil pumps automatically breaks off and stops working. The other high-pressure oil pump automatically continues to work at low flow and high pressure. The flow of the plunger pump can also adopt two stages, high-speed low pressure in the early stage and low-speed high pressure in the later stage.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations, emulations and equivalent structural changes made to the above embodiment according to the technical content of the present invention belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides an energy-efficient plunger pump for pressure filter, includes frame, plunger pump and high-pressure oil pump, its characterized in that: plunger pump and high-pressure oil pump are installed in the frame, high-pressure oil pump includes high-pressure oil pump case, high-pressure oil pump, driving motor and check valve, high-pressure oil pump case top surface is fixed with driving motor, high-pressure oil tank one side is equipped with the pneumatic cylinder, the pneumatic cylinder passes through pipe connection the check valve, driving motor passes through the check valve and connects high-pressure oil pump, the high-pressure oil pump incasement is equipped with the oil pump filter, the check valve passes through pipe connection high-pressure oil pump, the plunger pump installation the left side of frame, the high-pressure oil pump is installed the right side of frame, the high-pressure oil pump passes through the hose way with the plunger pump and links to each other, be equipped with the manometer.
2. The high-efficiency energy-saving plunger pump for filter press feeding of claim 1, characterized in that: the number of the driving high-pressure oil pumps arranged on the plunger pump is two.
3. An energy-efficient plunger pump for filter press according to claim 1 or 2, characterized in that: the two high-pressure oil pumps have the same power or a large power and a small power.
4. An energy efficient plunger pump for filter press according to claim 1, characterized by that: the flow of the plunger pump adopts a low-pressure large-flow double oil pump and a high-pressure small-flow single oil pump to work.
5. A working method of an efficient energy-saving plunger pump for a filter press is characterized by comprising the following steps:
a. by using the high-efficiency energy-saving plunger pump structure of the filter press as claimed in claim 1, starting the two high-pressure oil pumps with the same power or a combination of high power and low power, and driving a double-cylinder plunger piston to extract materials to be quickly fed into the filter press through the high-pressure oil pumps;
b. the method comprises the following steps of pumping materials into a filter press, driving a double-cylinder plunger pump to feed materials rapidly and in a large flow rate by two high-pressure oil pumps, and when the total saturated pressure value of a filter chamber of the filter press reaches 0.5-1.0 Mpa, automatically disconnecting one high-pressure oil pump to stop working, and only keeping one high-pressure oil pump to feed materials slowly and in a high pressure at a low flow rate until the feeding is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010376676.6A CN111514628A (en) | 2020-05-07 | 2020-05-07 | Efficient energy-saving plunger pump for filter press and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010376676.6A CN111514628A (en) | 2020-05-07 | 2020-05-07 | Efficient energy-saving plunger pump for filter press and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111514628A true CN111514628A (en) | 2020-08-11 |
Family
ID=71908024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010376676.6A Pending CN111514628A (en) | 2020-05-07 | 2020-05-07 | Efficient energy-saving plunger pump for filter press and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111514628A (en) |
-
2020
- 2020-05-07 CN CN202010376676.6A patent/CN111514628A/en active Pending
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