CN209067492U - Biogas slurry and biogas residue pumping and discharging pumps pump head structure - Google Patents
Biogas slurry and biogas residue pumping and discharging pumps pump head structure Download PDFInfo
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- CN209067492U CN209067492U CN201821529588.XU CN201821529588U CN209067492U CN 209067492 U CN209067492 U CN 209067492U CN 201821529588 U CN201821529588 U CN 201821529588U CN 209067492 U CN209067492 U CN 209067492U
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Abstract
The utility model belongs to blowdown pump technical field, specifically disclose a kind of biogas slurry and biogas residue pumping and discharging pump pump head structure, including pump case, it is equipped with accommodating chamber in pump case, pump cover is installed on pump case, pump case side is equipped with outlet tube, pump case lower end is equipped with inlet tube, and impeller mechanism is equipped in accommodating chamber, and impeller mechanism includes the first impeller and the second impeller, first impeller is located in inlet tube, and the first impeller is helical runner；Second impeller includes mounting plate and the second blade on mounting plate, installation set is equipped in the middle part of mounting plate, the inner end of second blade is connected and horizontally disposed with installation set side wall, second blade outer end is concordant with mounting plate outer rim and is vertically arranged, second blade is gradually tilted by outer end to interior extreme direction, and the outer end of the second blade is equipped with blade.This programme utilizes the mutual cooperation of the first impeller and the second impeller, has pump drainage pump and effectively avoids the problem of biogas residues such as stalk winding impeller burns out motor while good evacuation ability.
Description
Technical field
The utility model belongs to blowdown pump technical field more particularly to a kind of biogas slurry and biogas residue pumping and discharging pump pump head structure.
Background technique
Biogas can be widely applied to China rural area as a kind of new clean energy resource, it is to utilize the discarded of crops
The fermented generation biogas of stalk is as the energy, for cooking, heating up water, illuminate, can save a large amount of coal-fired, fuel oil and faggot
Deng, and environment can be improved, the thermal efficiency is high, is paid attention to by relevant department.
Biogas digested liquor of biogas generating pit and the pump drainage of biogas residue generally use dredge pump, and the impeller high-speed rotation of dredge pump generates centrifugal force,
By the waste extraction in methane-generating pit.But due to there is a large amount of stalk in methane-generating pit, in blowdown, stalk is easy to be wrapped in
On impeller, not only blocking pollution discharging pump, but also burn out motor.To solve the above-mentioned problems, applicant applied having authorized before
Application No. is 201410059292.6 Chinese patent-methane-generating pit slag liquid dredge pump pump heads, although utilizing above-mentioned pump head structure
Solves the problems, such as dredge pump blocking, but the lift of dredge pump and charging ability all receive certain influence, make dredge pump
The blowdown flow rate of unit time corresponding requirement is not achieved.
Utility model content
There can be again good evacuation ability the purpose of this utility model is to provide a kind of to avoid while blocking
Biogas slurry and biogas residue pumping and discharging pumps pump head structure.
In order to achieve the above object, the base case of the utility model are as follows: biogas slurry and biogas residue pumping and discharging pumps pump head structure, including upper
Open pump case is held, accommodating chamber is equipped in pump case, the pump cover for closing pump case is installed on pump case, pump case side is equipped with liquid
Pipe, pump case lower end are equipped with inlet tube, and impeller mechanism is equipped in accommodating chamber, and the impeller mechanism includes the first impeller and the second leaf
Wheel, the first impeller are located in inlet tube, and the second impeller is located at the one end of the first impeller far from inlet tube, and the first impeller is helical-blade
Wheel；Second impeller includes mounting plate and the second blade on mounting plate, is equipped with installation set in the middle part of mounting plate, the second blade
Inner end is connected and horizontally disposed with installation set side wall, and the second blade outer end is concordant with mounting plate outer rim and is vertically arranged, the second leaf
Piece is gradually tilted by outer end to interior extreme direction, and the outer end of the second blade is equipped with blade.
The working principle of this base case and beneficial effect are: tying since the first impeller and inlet tube constitute spiral charging
Structure so easily the biogas slurry and biogas residue in methane-generating pit can be pumped into inlet tube when the first wheel rotation, and passes through first
The double action of impeller and the second impeller, it is ensured that the suction capactity of pump drainage pump.Biogas slurry and biogas residue is pumped to by the first impeller
At two impellers, the blade on the second impeller outer end carries out cutting and crushing to biogas residue, and biogas residue is avoided to block the pump housing, guarantees pump drainage pump
Smooth operation, while outlet tube is discharged biogas slurry and biogas residue the second wheel rotation.This programme utilizes the first impeller and the second impeller
Mutual cooperation, make pump drainage pump have good evacuation ability while effectively avoid the biogas residues such as stalk winding impeller will be electric
The bad problem of machine burning.
Further, inlet tube funnel-form with a narrow upper and lower width, helical runner include the fixation being fixedly mounted on a mounting board
Axis, fixing axle are equipped with helical blade, and the helical blade is adapted with inlet tube side wall from the bottom to top, rotates on the pump cover
Pump shaft is installed, is equipped with the mounting hole cooperated with pump shaft in installation set.It is arranged such, it is ensured that the charging of the first impeller is imitated
Rate.
Further, the inlet tube upper end is equipped with up-small and down-big taper cover board, offers in the middle part of taper cover board for fixation
The through-hole that axis passes through, the left and right ends of taper cover board are equipped with branch pipe, and branch pipe lower end is connected to inlet tube, and branch pipe upper end is to separate
The side of fixing axle tilts, and branch pipe upper end is located at the two sides inside accommodating chamber.So set, the biogas residue and biogas liquid in inlet tube is straight
It connects and is transported at the second impeller, guarantee the evacuation ability of pump drainage pump.
Further, cutting edge is equipped at the outer rim of the helical blade.It can be by the biogas residue of stalk by setting cutting edge
It is cut, stalk is avoided to be wrapped on the first impeller and the second impeller, guarantee the operation stability of pump drainage pump.
Detailed description of the invention
Fig. 1 is the vertical cross-sectional of the utility model embodiment；
Fig. 2 is the stereoscopic schematic diagram of the first impeller in embodiment.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: pump cover 1, pump case 2, mounting plate 3, pump shaft 4, the second blade 5, installation set
6, fixing axle 7, helical blade 8, inlet tube 9, taper cover board 10, branch pipe 11, outlet tube 12.
Embodiment is basic as shown in attached drawing 1, Fig. 2: biogas slurry and biogas residue pumping and discharging pump pump head structure, the pump case 2 including upper end opening,
Pump case 2 is equipped with accommodating chamber, and 2 upper end of pump case, which is bolted, is equipped with pump cover 1.The lower end of pump case 2 is equipped with and is connected to accommodating chamber
Inlet tube 9, inlet tube 9 be funnel-form wide at the top and narrow at the bottom；The left end of pump case 2 is equipped with the outlet tube 12 being connected to accommodating chamber.Hold
It receives intracavitary equipped with impeller mechanism.
Impeller mechanism includes the first impeller and the second impeller.Second impeller includes mounting plate 3, the rotational installation of mounting plate 3 in
On the lower surface of pump cover 1, the middle part of mounting plate 3 is arched upward downwards, and mounting plate is welded with installation set 6, installation set in the middle part of 3 lower surface
6 are provided with the cylindrical body of mounting hole for inside, are welded with two the second blades 5, two the second leaves on the lower surface of mounting plate 3
Center bilateral symmetry of the piece 5 relative to mounting plate 3, the second blade 5 is helical form setting, and the inner end of the second blade 5 is welded on peace
On the side wall of encapsulation 6 and tending to horizontality, the outer end of the second blade 5 is concordant with the outer rim of mounting plate 3 and is vertical state, the
Two blades 5 are gradually tilted by the horizontality of vertical state to the inner end of outer end, and the upside of the second blade 5 with mounting plate 3
Lower surface it is seamless applying, constitute material path between the second blade 5 and installation set 6, mounting plate 3 and another second blade 5, second
The outer end of blade 5 is equipped with blade.Outlet tube 12 and material path face.
First impeller is located in inlet tube 9, and the first impeller includes the fixing axle 7 for being welded in 6 lower end of installation set, fixing axle 7
It is equipped with helical blade 8, helical blade 8 is from top to bottom adapted with the side wall of inlet tube 9, i.e., in the outer cause of helical blade 8
All the same to the lower gap between 9 inner wall of inlet tube, the outer rim of helical blade 8 is equipped with cutting edge, the first impeller and 9 structure of inlet tube
At spiral feeding structure.The upper end of inlet tube 9 is equipped with up-small and down-big taper cover board 10, is offered in the middle part of taper cover board 10 for solid
The through-hole that dead axle 7 passes through, fixing axle 7 are rotatably assorted with taper cover board 10, and the left and right ends of taper cover board 10 are equipped with inclined
Branch pipe 11,11 lower end of branch pipe are connected to inlet tube 9, and 11 upper end of branch pipe is tilted to the side far from fixing axle 7,11 upper end of branch pipe position
Two sides inside accommodating chamber, 11 upper end of branch pipe are located at the lower section of material path.
Specific implementation process is as follows: pump shaft 4 drives mounting plate 3 to rotate, and mounting plate 3 drives the second blade 5 and the first impeller
Rotation, since the first impeller and inlet tube 9 constitute spiral feeding structure, so can be easily by biogas when the first wheel rotation
Biogas slurry and biogas residue in pond is pumped into inlet tube 9, and passes through the double action of the first impeller and the second impeller, it is ensured that pump drainage
The suction capactity of pump.Biogas slurry and biogas residue is delivered to 9 upper end of inlet tube by the first impeller, then is discharged to accommodating chamber from two branch pipes 11
In, since two branch pipes 11 are located at the lower section of material path, so biogas slurry and biogas residue can enter in two material paths, the rotation of the second blade 5 will
Biogas slurry and biogas residue is discharged from outlet tube 12.This programme utilizes the mutual cooperation of the first impeller and the second impeller, has pump drainage pump good
Good evacuation ability, while by the way that cutting edge and blade are respectively set on the first blade and the second blade 5, it is possible to prevente effectively from straw
The problem of biogas residues such as stalk winding impeller burns out motor.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (4)
1. biogas slurry and biogas residue pumping and discharging pumps pump head structure, the pump case including upper end opening, pump case is interior to be equipped with accommodating chamber, is equipped on pump case
For closing the pump cover of pump case, pump case side is equipped with outlet tube, and pump case lower end is equipped with inlet tube, is equipped with turbine in accommodating chamber
Structure, it is characterised in that: the impeller mechanism includes the first impeller and the second impeller, and the first impeller is located in inlet tube, the second leaf
Wheel is located at the one end of the first impeller far from inlet tube, and the first impeller is helical runner；Second impeller include mounting plate and be set to peace
The second blade in loading board, mounting plate middle part are equipped with installation set, and the inner end of the second blade is connected with installation set side wall and level is set
It sets, the second blade outer end is concordant with mounting plate outer rim and is vertically arranged, and the second blade is gradually tilted by outer end to interior extreme direction, the
The outer end of two blades is equipped with blade.
2. biogas slurry and biogas residue pumping and discharging according to claim 1 pumps pump head structure, it is characterised in that: inlet tube is with a narrow upper and lower width
Funnel-form, helical runner include the fixing axle being fixedly mounted on a mounting board, and fixing axle is equipped with helical blade, the helical-blade
Piece is adapted with inlet tube side wall from the bottom to top, and pump shaft is rotatably equipped on the pump cover, is equipped in installation set and cooperates with pump shaft
Mounting hole.
3. biogas slurry and biogas residue pumping and discharging according to claim 2 pumps pump head structure, it is characterised in that: the inlet tube upper end is equipped with
Up-small and down-big taper cover board, taper cover board middle part offer the through-hole passed through for fixing axle, and the left and right ends of taper cover board are equal
Equipped with branch pipe, branch pipe lower end is connected to inlet tube, and branch pipe upper end is tilted to the side far from fixing axle, and branch pipe upper end, which is located at, to be accommodated
The two sides in intracavitary portion.
4. biogas slurry and biogas residue pumping and discharging according to claim 3 pumps pump head structure, it is characterised in that: the outer rim of the helical blade
Place is equipped with cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529588.XU CN209067492U (en) | 2018-09-18 | 2018-09-18 | Biogas slurry and biogas residue pumping and discharging pumps pump head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529588.XU CN209067492U (en) | 2018-09-18 | 2018-09-18 | Biogas slurry and biogas residue pumping and discharging pumps pump head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067492U true CN209067492U (en) | 2019-07-05 |
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ID=67092756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821529588.XU Active CN209067492U (en) | 2018-09-18 | 2018-09-18 | Biogas slurry and biogas residue pumping and discharging pumps pump head structure |
Country Status (1)
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|---|---|
| CN (1) | CN209067492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946660A (en) * | 2020-08-25 | 2020-11-17 | 赣州市闻誉科技有限公司 | Impeller structure of centrifugal pump |
-
2018
- 2018-09-18 CN CN201821529588.XU patent/CN209067492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946660A (en) * | 2020-08-25 | 2020-11-17 | 赣州市闻誉科技有限公司 | Impeller structure of centrifugal pump |
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