CN201891612U - Vertical anti-blocking self-priming pump - Google Patents
Vertical anti-blocking self-priming pump Download PDFInfo
- Publication number
- CN201891612U CN201891612U CN2010205930396U CN201020593039U CN201891612U CN 201891612 U CN201891612 U CN 201891612U CN 2010205930396 U CN2010205930396 U CN 2010205930396U CN 201020593039 U CN201020593039 U CN 201020593039U CN 201891612 U CN201891612 U CN 201891612U
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- wall
- pump
- self
- steam
- vertical self
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Abstract
The utility model discloses a vertical anti-blocking self-priming pump, comprising a pump body; the side wall of the pump body is in a double-layer structure formed by an inner wall and an outer wall, a cavity is formed between the inner wall and the outer wall, two pipe joints communicated with the cavity are arranged on the outer wall and are used as a steam inlet connector and a steam outlet connector. In the utility model, the side wall of the pump body is in a double-layer structure formed by the inner wall and the outer wall, when the vertical anti-blocking self-priming pump works in a cold season in north, steam or hot water is introduced to the cavity between the inner wall and the outer wall through the steam inlet pipe connector and the steam outlet pipe connector on the outer wall for preheating a liquid storage chamber, so as to eliminate blocking of mediums, caused by solidification and freezing and realize smooth material self-priming conveying of the self-priming pump.
Description
Technical field
The utility model relates to vertical self-sucking pump, is specifically related to the anti-plugging vertical self-sucking pump.
Background technique
Vertical self-sucking pump must be filled clear water or institute's fed sheet of a media in pump chamber when starting first, start the back by the high speed rotating of impeller and the gas-liquid separation device of pump itself, realized gas, the quick separation of liquid, air in the pump inlet pipeline constantly is discharged from, form vacuum in the inlet tube, thereby realized the self-priming working procedure of water pump.During termination of pumping, safety check on the exit of pump pipeline cuts out rapidly, cut off the backflow of high-order medium in the export pipeline, vacuum breaker valve on the pipeline of pump inlet is simultaneously opened synchronously, and air enters inlet ductwork, has destroyed the vacuum state in the inlet ductwork, the defective of medium back flow emptying in the pump of thoroughly having avoided causing because of siphonage, remaining in the water pump liquid storage room and pumped the medium material, realizing drainage filling liquid, the purpose of the lifelong self-priming of water pump.
Yet; carry when water pump self-suction and easily to freeze maybe need be incubated the material medium time; self-priming is shut down the back and is started in the operation process first; material can freeze in the pump chamber liquid storage room and solidify; stop up the liquid storage room space; influence the unobstructed of pump inlet runner, therefore, common vertical self-sucking pump is worked in cold season in the north and is difficult to start smoothly normal operation.
The model utility content
Technical problem to be solved in the utility model is to solve vertical self-sucking pump in northern cold season, and medium freezes and stops up the normally problem of self-priming work of pump that causes in the pump chamber liquid storage room.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopted provides a kind of anti-plugging vertical self-sucking pump, comprise the pump housing, the sidewall of the described pump housing is the double layer construction of being made up of inside and outside wall, form cavity between the inside and outside wall, described outer wall is provided with two pipe joints that communicate with cavity, respectively as steam into and out of interface.
In such scheme, two pipe joints lay respectively at the both sides of the pump housing.
In such scheme, the axis of two pipe joints is positioned on the longitudinal profile by pump housing central axis.
In such scheme, be lower than height as the pipe joint of steam (vapor) outlet as the height of the pipe joint of steam inlet.
In such scheme, the material of described outer wall is that thermal-protective material or its outer surface coat thermal-protective material.
In such scheme, the outer end of the axis hole of described pipe joint is outside bell mouth shape of big end opening or taper hole shape.
The utility model, the sidewall of the pump housing of vertical self-sucking pump is the double layer construction of being made up of inside and outside wall, when work cold season in this vertical self-sucking pump north, by the steam on the outer wall into and out of pipe joint inwardly, feed steam in the cavity between the outer wall or hot water carries out preheating to liquid storage room, can eliminate medium because of solidifying the obstruction of freezing and to cause, thereby realize that self-priming pump carries the smooth self-priming of material.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the pipe joint structure schematic representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is made detailed explanation.
As shown in Figure 1, the utility model comprises the pump housing 1, the sidewall of the pump housing 1 is the double layer construction of being made up of inwall 11 and outer wall 12, the preferred material of outer wall 12 is that thermal-protective material or outer surface coat thermal-protective material, form cavity 13 between the inside and outside wall, outer wall 12 is provided with two pipe joints that communicate with cavity 13 2,3, respectively as steam into and out of interface.Two pipe joints 2,3 lay respectively at the both sides of the pump housing 1, are lower than height as the pipe joint 3 of steam (vapor) outlet as the height of the pipe joint 2 of steam inlet, and the axis of two pipe joints is positioned on the longitudinal profile by pump housing central axis.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technological scheme, all fall within the protection domain of the present utility model.
Claims (6)
1. the anti-plugging vertical self-sucking pump comprises the pump housing, it is characterized in that, the sidewall of the described pump housing is the double layer construction of being made up of inside and outside wall, form cavity between the inside and outside wall, described outer wall is provided with two pipe joints that communicate with cavity, respectively as steam into and out of interface.
2. anti-plugging vertical self-sucking pump as claimed in claim 1 is characterized in that two pipe joints lay respectively at the both sides of the pump housing.
3. anti-plugging vertical self-sucking pump as claimed in claim 2, the axis that it is characterized in that two pipe joints are positioned on the longitudinal profile by pump housing central axis.
4. anti-plugging vertical self-sucking pump as claimed in claim 1 is characterized in that height as the pipe joint of steam inlet is lower than the height as the pipe joint of steam (vapor) outlet.
5. anti-plugging vertical self-sucking pump as claimed in claim 1, the material that it is characterized in that described outer wall are that thermal-protective material or its outer surface coat thermal-protective material.
6. as the described anti-plugging vertical self-sucking pump of claim 1 to 5 each claim, it is characterized in that the outer end of the axis hole of described pipe joint is outside bell mouth shape of big end opening or taper hole shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205930396U CN201891612U (en) | 2010-11-05 | 2010-11-05 | Vertical anti-blocking self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205930396U CN201891612U (en) | 2010-11-05 | 2010-11-05 | Vertical anti-blocking self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891612U true CN201891612U (en) | 2011-07-06 |
Family
ID=44221087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205930396U Expired - Fee Related CN201891612U (en) | 2010-11-05 | 2010-11-05 | Vertical anti-blocking self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891612U (en) |
-
2010
- 2010-11-05 CN CN2010205930396U patent/CN201891612U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20131105 |