CN203604190U - Vertical type sea water pump barrel - Google Patents
Vertical type sea water pump barrel Download PDFInfo
- Publication number
- CN203604190U CN203604190U CN201320708592.3U CN201320708592U CN203604190U CN 203604190 U CN203604190 U CN 203604190U CN 201320708592 U CN201320708592 U CN 201320708592U CN 203604190 U CN203604190 U CN 203604190U
- Authority
- CN
- China
- Prior art keywords
- base plate
- sea water
- water pump
- pump barrel
- adapter
- 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 - Lifetime
Links
- 239000013535 sea water Substances 0.000 title claims abstract description 38
- 230000007797 corrosion Effects 0.000 claims abstract description 22
- 238000005260 corrosion Methods 0.000 claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 14
- 239000010962 carbon steel Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002860 competitive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Abstract
T The utility model discloses a vertical type sea water pump barrel which comprises a connecting pipe. The vertical type sea water pump barrel is installed on a base plate. An inner hole of the base plate is smaller than an upper flange of the connecting pipe. The base is positioned relative to the connecting pipe in a socket-and-spigot mode. The upper flange of the connecting pipe is fixed to the upper surface of the base plate. The lower surface of the base plate, the matching surface between the base plate and the connecting pipe and the spigot surface between the base plate and the connecting pipe are respectively provided with a protective layer in a welded mode. A circle of groove is formed in the lower surface of the upper flange of the connecting pipe, wherein a sealing water seal strip is arranged in the groove, and the protective layers are located outside the groove. By the adoption of the technical scheme and the change in the structure of a pump body, the vertical type sea water pump barrel can effectively prevent corrosion of sea water to the connecting pipe and the base plate of the pump body and can therefore enhance the fixation stability of the pump body and the base plate; besides, the vertical type sea water pump barrel is simple in structure and low in cost.
Description
Technical field
The utility model relates to a kind of sea water pump, more particularly, relates to a kind of vertical sea water pump barrel body.
Background technique
For vertical pump, in the situation that pumping medium and being seawater, pump flow passage components material is generally selected the good stainless steel of corrosion resistance.And for a heaviest part base plate 2 of one-piece part, we generally select carbon steel material.As shown in Figure 1, common vertical sea water pump is erected on base layer 1 by base plate 2.Specifically, on base layer 1, first set up a base plate 2, then fix and take over 3 at the lower surface of base plate 2.Further, as seen from Figure 2, in said structure, take over 3 and adopt bolt 32 fixing with base plate 2, and bolt 32 screw direction for from the bottom up, the upper flange surface 31 of passing described adapter 3 is fixed on described base plate 2.
But in some cases, sea level fluctuations can exceed base layer 1, base plate 2 will be immersed under Seawater like this, because there is potential difference between stainless steel and carbon steel, can aggravate like this corrosion of carbon steel base plate 2.
In order to prevent the corrosion of base plate 2, guarantee again the competitive ability of product, a kind of more common idea is at base plate 2 lower surfaces, resist seawater corrosion with surface of contact welding one deck corrosion resistant plate of seawater, beat tapped hole at base plate 2 lower surfaces (with the surface of contact with sea water), take over 3 and adopt and be threaded with base plate 2.
But above-mentioned imagination thing followed problem is: because dissimilar steel weld strength is difficult to guarantee, screw root is on carbon steel material in addition.In the time of high water level, seawater can be penetrated into carbon steel material from screw gap location.Like this, can there is potential difference in carbon steel and stainless steel under briny environment, forms potential difference corrosion.Because the overall weight of pump is all born by base plate 2 and the connecting bolt 32 of taking over 3.As there is the corrosion of screw thread, certainly will cause great consequence.
Model utility content
The purpose of this utility model aims to provide a kind of vertical sea water pump barrel body, solves base plate in prior art and is easily subject to seawater corrosion, and adapter and base plate are subject to fixing unsettled problem after seawater corrosion.
According to the utility model, a kind of vertical sea water pump barrel body is provided, comprise adapter, vertical sea water pump barrel body is installed on base plate.The endoporus of base plate is less than the upper flange of adapter; adopt seam location with adapter; the upper flange of taking over is fixed on the upper surface of base plate; welding protective layer on the fitting surface of lower surface, base plate and the adapter of base plate and seam face; the lower surface of taking over upper flange has a ring recess; close water seal bar is set in groove, and protective layer is positioned at the outside of groove.
According to an embodiment of the present utility model, protective layer is the corrosion resistant plate of punching, and protective layer is by hole and base plate welding.
According to an embodiment of the present utility model, the thickness of corrosion resistant plate is 3～5mm, and the diameter in hole is 20-30mm.
According to an embodiment of the present utility model, upper flange surface and the base plate of adapter are bolted, and the direction that screws of bolt is from the upper flange surface of adapter to base plate.
According to an embodiment of the present utility model, the endoporus of base plate is greater than the lower flange face of adapter.
According to an embodiment of the present utility model, take over as stainless steel.
According to an embodiment of the present utility model, base plate is carbon steel.
Adopt the technical solution of the utility model, by changing pump body structure, can effectively prevent the adapter of seawater to the pump housing and the corrosion of base plate, thus the fixing stability of the enhancing pump housing and base plate, and simple in structure, cost is low.
Accompanying drawing explanation
In the utility model, identical reference character represents identical feature all the time, wherein:
Fig. 1 is structural representation when vertical pump barrel body is installed in prior art;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Structural representation when Fig. 3 is the installation of the utility model vertical sea water pump barrel body;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of corrosion resistant plate in Fig. 4.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with drawings and Examples.
Consider the various deficiencies that prior art exists, in the time that existing vertical sea water pump is improved, should be noted that and meet below 5 conditions:
1, all need stainless steel with the pump housing of contact with sea water.
2, in the situation that existing welding technique is limited, the corrosion resistant plate of welding should bear pressure, can not bear tensile stress.
3, because also needing to carry out the machining of fitting surface after dissimilar steel welding, so corrosion resistant plate must closely be welded on carbon steel steel plate.
4, structure should be simple, is easy to processing and installs.
5,, in order to guarantee the competitive ability of product, the cost of product must be controlled.
Therefore, with reference to Fig. 3, the utility model discloses a kind of vertical sea water pump barrel body, and it comprises that one is taken over 4, take over and 4 be set up on base plate 2, and base plate 2 is fixed on base layer 1, fixes on base layer 1 thereby indirectly will take over 4.As a rule, taking over 4 is stainless steel, and base plate 2 is carbon steel material.
As shown in Figure 3, the utility model has expanded takes over 4 upper flange surface, makes to take over 4 and is moved to the upper surface of base plate 2 by the lower surface of base plate 2 with the fitting surface of base plate 2.Specifically, take over 4 upper flange 41 because the endoporus of base plate 2 is less than, when therefore taking over 4 endoporus from base plate 2 and installing downwards, its upper flange 41 can be stuck on the upper surface of base plate 2.Now, base plate 2 adopts seam location with the contacting point of taking over 4, thereby the upper flange 41 of taking over 4 is positioned to the upper surface of base plate 2.Under above-mentioned this structure, take over 4 and adopt bolt 42 to be connected with base plate 2, tapped hole position is beaten on carbon steel material face, and the upper flange surface of adapter 4 is connected by bolt 42 with base plate 2, bolt 42 screw direction for from top to bottom, by taking over 4 upper flange 41 to base plate 2.
Continue with reference to Fig. 3, can be successfully through the endoporus of base plate 2 in order to make to take over 4, the diameter of bore of base plate 2 is greater than lower flange face 44 diameters of taking over 4, so that the installation of cylindrical shell.
With reference to Fig. 4, take over the lower surface of 4 upper flanges 41, take over 4 with the fitting surface of base plate 2 on offer a circle circular trough, close water seal bar 43 is set in groove, circular trough must be opened in takes over 4(stainless steel) upper, and protective layer 21 is positioned at the outside of groove.In the utility model, the Main Function of the close water seal bar 43 of installing in groove and groove is:
1, the seawater of sealed high pressure power
2, prevent that contact with sea water from arriving base plate 2(carbon steel material)
Therefore, the stainless steel welding on above-mentioned base plate 2 and the fitting surface of adapter 4 should be located at circular trough outside, guarantees that so close water seal bar 43 can play a role effectively, makes contact with sea water less than carbon steel material.
As shown in Figure 4, further, on base plate 2 with the surface of contact with sea water on, the lower surface of base plate 2, base plate 2 and take over 4 fitting surface and seam face on welding protective layer 21.As a kind of preferred implementation of the present invention, protective layer 21 is corrosion resistant plate, as shown in Figure 4; fully weld for guaranteeing corrosion resistant plate and carbon steel board; must on corrosion resistant plate, punch 22, in hole 22, carry out the welding of dissimilar steel, thereby protective layer 21 is welded on base plate 2.Especially, as shown in Figure 5, the thickness of corrosion resistant plate is 3～5mm, and aperture is about Φ 20-30mm.
Those of ordinary skill in the art will be appreciated that, above specification is only one or more mode of executions in the numerous embodiments of the utility model, and not uses restriction of the present utility model.Any equalization variation, modification for the above embodiment and be equal to the technological schemes such as alternative, as long as meet connotation scope of the present utility model, all will drop in the scope that claims of the present utility model protect.
Claims (7)
1. a vertical sea water pump barrel body, comprises adapter, and described vertical sea water pump barrel body is installed on base plate, it is characterized in that:
The endoporus of described base plate is less than the upper flange of described adapter, adopts seam location with described adapter, and the upper flange of described adapter is fixed on the upper surface of described base plate;
Welding protective layer on the fitting surface of lower surface, base plate and the adapter of described base plate and seam face;
The lower surface of described adapter upper flange has a ring recess, close water seal bar is set in described groove, and described protective layer is positioned at the outside of described groove.
2. vertical sea water pump barrel body as claimed in claim 1, is characterized in that, described protective layer is the corrosion resistant plate of punching, and described protective layer is by described hole and the welding of described base plate.
3. vertical sea water pump barrel body as claimed in claim 2, is characterized in that, the thickness of described corrosion resistant plate is 3～5mm, and the diameter in described hole is 20-30mm.
4. vertical sea water pump barrel body as claimed in claim 1, is characterized in that, the upper flange surface of described adapter and described base plate are bolted, and the direction that screws of described bolt is from the upper flange surface of described adapter to described base plate.
5. vertical sea water pump barrel body as claimed in claim 1, is characterized in that, the endoporus of described base plate is greater than the lower flange face of described adapter.
6. vertical sea water pump barrel body as claimed in claim 1, is characterized in that, described adapter is stainless steel.
7. vertical sea water pump barrel body as claimed in claim 1, is characterized in that, described base plate is carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708592.3U CN203604190U (en) | 2013-11-11 | 2013-11-11 | Vertical type sea water pump barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708592.3U CN203604190U (en) | 2013-11-11 | 2013-11-11 | Vertical type sea water pump barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604190U true CN203604190U (en) | 2014-05-21 |
Family
ID=50716867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708592.3U Expired - Lifetime CN203604190U (en) | 2013-11-11 | 2013-11-11 | Vertical type sea water pump barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604190U (en) |
-
2013
- 2013-11-11 CN CN201320708592.3U patent/CN203604190U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |