CN204716558U - Two centrifugal pump devices that series and parallel freely switches - Google Patents
Two centrifugal pump devices that series and parallel freely switches Download PDFInfo
- Publication number
- CN204716558U CN204716558U CN201520461058.6U CN201520461058U CN204716558U CN 204716558 U CN204716558 U CN 204716558U CN 201520461058 U CN201520461058 U CN 201520461058U CN 204716558 U CN204716558 U CN 204716558U
- Authority
- CN
- China
- Prior art keywords
- centrifugal pump
- series
- parallel
- way cock
- pipe
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses two centrifugal pump devices that a kind of series and parallel freely switches, comprise inlet pipe, two centrifugal pumps and go out pipe, inlet pipe branches into two pipelines, article one, pipeline is connected pipe through three way cock with centrifugal pump, and another pipeline is connected pipe through another centrifugal pump with another three way cock; The upper and lower UNICOM of union in two three way cock warps.The utility model, by rationally succinct circuit design and two three way cocks, achieves the free handover operation of series and parallel of two centrifugal pumps, greatly improves the efficiency of press filtration work; Compared with the series and parallel pipeline valve COMM communication of routine, there is structure simple, simple to operate and not easily make mistakes, the feature that cost is low and practical.
Description
Technical field
The utility model relates to a kind of two centrifugal pump device, specifically refers to two centrifugal pump devices that series and parallel freely switches.
Background technique
Centrifugal pump due to structure simple and durable, use reliable, efficiency is high, flow is large and cost is low, apply the most general Liquid transfer dynamic power machine, come from centrifugal pump working principle, thus corresponding characteristic curve of centrifugal pump is also had, the calibrating parameters of centrifugal pump is exactly that centrifugal pump is in most effective corresponding flow and lift parameter, in actual use, it is too much that centrifugal pump running parameter does not depart from calibrating parameters, is rational operation interval.
In large-scale press filtration field, general is all first-selected plate and frame type filter-press, and select centrifugal pump as filter pressing pump, pressure-filtering process obtains filtrate, filter residue progressively runs up to optimal filling degree in pressure filter simultaneously, carry out respective handling again, finally complete the cycling process of filter residue cleaning, the object of press filtration realizes solid-liquid separation exactly.In the starting stage of press filtration operation, owing to being complete empty in pressure filter, concerning filter pressing pump, the quick large discharge input carrying out less lift is the ideal operation state of now press filtration operation; But increase along with filter cake accumulates rear resistance in pressure filter, when particularly stopping close to press filtration, have pressure maximum expanded state, therefore, larger lift can be had to be to best requirement by the press filtration performance of pressure filter in press filtration the second half.
But in press filtration operation, existing centrifugal pump all cannot adapt to such process automatically, reaches efficient, high-quality ideal operation state.When general centrifugal pump carries out press filtration operation, be all that the early stage lift of press filtration is lower, but flow is large, makes motor be in overload, especially easily motor damage; To the press filtration middle and later periods, press filtration resistance strengthens rapidly, and the flow quantity of centrifugal pump reduces rapidly, although at this moment motor is operated in the low power state of underloading, efficiency of press filtering is very low; Although filter pressing pump has H-Max output state, because pressing filtering liquid flow is less, the service behaviour of pressure filter cannot be given full play to and increase work efficiency.
Centrifugal pump is made to coordinate pressure filter, press filtration whole process is made all to reach ideal operation state, the optimum performance playing press filtration is difficult to realize, if but look for another way, the free COMM communication of two centrifugal pump series and parallels is adopted to complete press filtration work, make it in press filtration in early days by two centrifugal pump parallel connections, realize fast, low energy consumption, the efficient press filtration of large discharge; In press filtration, two centrifugal pumps are connected by after-stage, obtain high-lift conveying capacity, after meeting, journey press filtration resistance is large, but still applicable flow can be had to embody efficient press filtration and give full play to the feature of pressure filter performance, so free COMM communication of two centrifugal pump series and parallels is adopted to carry out break-through skill bottleneck, reach the ideal operation state of press filtration, there is the actual application value of particular importance.
Model utility content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art exactly, and provide two centrifugal pump devices that a kind of series and parallel freely switches, this apparatus structure is simple, practical.
For overcoming the deficiencies in the prior art, the utility model takes following technological scheme:
Two centrifugal pump devices that a kind of series and parallel freely switches, comprise inlet pipe, two centrifugal pumps and go out pipe, it is characterized in that: inlet pipe branches into two pipelines, a pipeline is connected pipe through three way cock with centrifugal pump, and another pipeline is connected pipe through another centrifugal pump with another three way cock; The upper and lower UNICOM of union in two three way cock warps.
Described inlet pipe connects liquid pool, goes out pipe and connects pressure filter.
This device, by swivel tee cock, can realize freely switching of two centrifugal pump series and parallel structures, after coordinating, press filtration can be made to operate and reach optimum Working with pressure filter.
Compared with prior art, the beneficial effects of the utility model are also:
The optimum working performance reaching centrifugal pump needed for press filtration is switched by the series and parallel of centrifugal pump; The free handover operation of series and parallel of two centrifugal pumps is achieved by rationally succinct circuit design and three way cock; Compared with the series and parallel pipeline valve COMM communication of routine, threeway plug valve can greatly reduce the consumption of pipeline and valve, and simplifies the handover operation of series and parallel, avoids the mistake occurred in common pipe valving series and parallel handoff procedure.
The utility model structure is simple, and cost is low, practical, has a extensive future.
Accompanying drawing explanation
Fig. 1 is parallel-connection structure schematic diagram of the present utility model.
Fig. 2 is cascaded structure schematic diagram of the present utility model.
In figure, each label represents:
1, inlet pipe; 2, pipe is gone out; 3, middle union; 4, three way cock; 5, three way cock; 6, centrifugal pump; 7, centrifugal pump; 20, liquid pool.
Embodiment
Now by reference to the accompanying drawings, the utility model is illustrated further.
Two centrifugal pump devices of freely switching of series and parallel as depicted in figs. 1 and 2, comprise inlet pipe 1, two centrifugal pumps 6,7 and go out pipe 2, inlet pipe 1 branches into two pipelines, article one, pipeline is connected pipe 2 through three way cock 4 with centrifugal pump 7, and another pipeline is connected pipe 2 through another centrifugal pump 6 with another three way cock 5; Union about 3 UNICOM in two three way cock 4,5 warps.
Described inlet pipe 1 connects liquid pool 20, goes out pipe 2 and connects pressure filter.
Fig. 1 and Fig. 2 is same device different conditions, and Fig. 1 is centrifugal pump 6,7 parallel connection conveying fluid, and the first branch road of inlet pipe 1 is for connecting centrifugal pump 6, and centrifugal pump 6 goes out the lower end of pipe union three way cock 5, is merged into out pipe 2 from upper end; Second branch road of intake pipe 1 is enter centrifugal pump 7 after union three way cock 4, and export through pressurization, be incorporated in out pipe 2, realize two branch road two parallel pumps, carry out large discharge output, middle union 3 is blocking state.
After two three way cocks are operated as shown in Figure 2, first branch road of inlet pipe 1 is for connecting centrifugal pump 6, centrifugal lower end of pumping pipe union three way cock 5, importing three way cock 4 upper end is exported by middle union 3 from right-hand member, go out to enter centrifugal pump 7 from three way cock 4 right-hand member, realize double pump series connection, the liquid carrying out lift superposition exports.Three way cock 4 left end forms blocking-up to inlet pipe 1, and three way cock 5 upper end realizes blocking isolation to going out pipe 2.
Manipulate two three way cock combinations, the series and parallel that can realize two centrifugal pumps freely switches, and the system making it to form more rationally can adapt to the efficient press filtration operation of large centrifugal pump.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (2)
1. two centrifugal pump devices of freely switching of a series and parallel, comprise inlet pipe, two centrifugal pumps and go out pipe, it is characterized in that: inlet pipe branches into two pipelines, article one, pipeline is connected pipe through three way cock with centrifugal pump, and another pipeline is connected pipe through another centrifugal pump with another three way cock; The upper and lower UNICOM of union in two three way cock warps.
2. two centrifugal pump devices of freely switching of series and parallel according to claim 1, is characterized in that: described inlet pipe connects liquid pool, go out pipe and connect pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461058.6U CN204716558U (en) | 2015-07-01 | 2015-07-01 | Two centrifugal pump devices that series and parallel freely switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461058.6U CN204716558U (en) | 2015-07-01 | 2015-07-01 | Two centrifugal pump devices that series and parallel freely switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716558U true CN204716558U (en) | 2015-10-21 |
Family
ID=54315560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520461058.6U Expired - Fee Related CN204716558U (en) | 2015-07-01 | 2015-07-01 | Two centrifugal pump devices that series and parallel freely switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204716558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895803A (en) * | 2015-07-01 | 2015-09-09 | 吉首大学 | Double-centrifugal-pump device free in switching series connection and parallel connection |
-
2015
- 2015-07-01 CN CN201520461058.6U patent/CN204716558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895803A (en) * | 2015-07-01 | 2015-09-09 | 吉首大学 | Double-centrifugal-pump device free in switching series connection and parallel connection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204716559U (en) | Two centrifugal pump devices of the convenient switching of a kind of series and parallel | |
| CN104895802A (en) | Double-centrifugal-pump device free in serial connection and parallel connection switching | |
| CN204716561U (en) | Two centrifugal pump devices that a kind of series and parallel freely switches | |
| CN204716560U (en) | Two centrifugal pump devices of the convenient switching of series and parallel | |
| CN204716558U (en) | Two centrifugal pump devices that series and parallel freely switches | |
| CN201703538U (en) | Vacuum fish sucking system for boats | |
| CN104895805A (en) | Double-centrifugal-pump device convenient and quick in switching series connection and parallel connection | |
| CN104895803A (en) | Double-centrifugal-pump device free in switching series connection and parallel connection | |
| CN204723831U (en) | Sugar-cane juice is carried out the device of efficient press filtration | |
| CN204727932U (en) | Efficient filter-pressing device in electrolytic manganese process | |
| CN204752753U (en) | High -efficient filter pressing device of sugar -cane juice | |
| CN204959008U (en) | High -efficient filter pressing device in electrolytic zinc technology | |
| CN204996260U (en) | Filtration system for evacuation | |
| CN204752866U (en) | Device of high -efficient filter -pressing carries out in electrolytic manganese technology | |
| CN204737999U (en) | Device of high -efficient filter -pressing carries out in electrolytic zinc technology | |
| CN204767663U (en) | Carry out basic magnesium carbonate in device of high -efficient filter -pressing | |
| CN201208532Y (en) | Connection structure of filter | |
| CN204767664U (en) | High -efficient filter pressing device of basic magnesium carbonate | |
| CN204767662U (en) | High -efficient filter pressing device of basic magnesium carbonate | |
| CN204752823U (en) | High -efficient filter pressing device in electrolytic manganese technology | |
| CN104922951A (en) | Pump-circulation anti-blocking type efficient basic magnesium carbonate filter pressing device | |
| CN204723832U (en) | Basic magnesium carbonate is carried out the device of efficient press filtration | |
| CN105031987A (en) | Pump-cycle anti-plugging type efficient filter pressing device for basic magnesium carbonate | |
| CN204981906U (en) | High -efficient filter pressing device of sugar -cane juice | |
| CN204849051U (en) | High -efficient filter pressing device in electrolytic zinc technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160701 |