CN102384108A - Waste acid concentrating axial-flow pump body - Google Patents
Waste acid concentrating axial-flow pump body Download PDFInfo
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- CN102384108A CN102384108A CN201010273531XA CN201010273531A CN102384108A CN 102384108 A CN102384108 A CN 102384108A CN 201010273531X A CN201010273531X A CN 201010273531XA CN 201010273531 A CN201010273531 A CN 201010273531A CN 102384108 A CN102384108 A CN 102384108A
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- pump
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- pump housing
- waste acid
- corrosion
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Abstract
The invention discloses a waste acid concentrating axial-flow pump body for delivery of various types of highly corrosive liquid in the chemical field. The waste acid concentrating axial-flow pump body comprises a pump body shell, a corrosion-resistant layer is embedded on the inner side of the pump body shell, and the pump body shell and the corrosion-resistant layer are connected in a roughening way or via a rivet, a bolt hole, a slot with the inner part being larger than the outer part or a reinforcing tendon, so that the corrosion-resistant layer and the metal shell can be better combined, the combination can be solid and perfect, the corrosion-resistant layer can be prevented from being deformed at high temperature, cracking at low temperature and falling off under negative pressure in a forced circulation state and the service life of the pump body can be greatly prolonged. The corrosion-resistant layer is a fluorine plastic layer, a glass fiber reinforced plastic layer, an enamel layer, a graphite layer or a carbon fiber layer, and can be selected freely according to the use environment and the price of the pump so that the pump has a higher performance-price ratio. The product can be widely applied in waste acid concentrating axial-flow pumps in the titanium dioxide industry, steel industry, phosphorus chemicals, organic chemicals and other industrial processes.
Description
Technical field
The present invention relates to a kind of chemical field and carry the chemical pump of various strongly corrosion liquids, relate in particular to a kind of pump housing of waste acid concentration axial flow pump.
Background technique
In industrial processes such as titanium white industry, steel industry, phosphorous chemical industry, the industry that organises, all need the acid of using in enormous quantities, also can produce a large amount of spent acid simultaneously, these acid have composite steel corrosion-resistant type mixed flow pump and axial-flow pump etc. at conveying time institute's employing pump.In the spent acid callback course; Generally need carry out repeatedly concentrating to spent acid, along with concentrating of spent acid, the concentration of acid also can be increasingly high. and concentrate for the first time under normal conditions, concentrate for the second time because the concentration of acid is low; Temperature is below 90 ℃; Adopt the pump of some metallic material, can also use reluctantly, can not make a big impact production like high silico cast iron pump, 316L, No. 20 stainless steel pumps such as alloy.But if carry out concentrating for the third time of acid, more than two types of pumps just can not satisfy use under this working condition because the concentration of gelled acid is 65% for the third time, 130 ℃ of temperature; Have 75% ferrous sulfate simultaneously, this is a kind of extremely abominable working condition, under this working condition; The pump that can be suitable for is very rare, has only the pump of Hastelloy material to adapt to basically, but promptly enables to use; Its cost is also extremely expensive, and only pump maintenance cost 1 year is just up to a million, on the other hand; The difficulty of its processing is also big, and maintenance is frequent, so can not satisfy the needs of enterprise production.
Summary of the invention
The object of the invention is to provide a kind of a kind of waste acid concentration axial flow pump pump housing of new structure; Adopt novel steel lining Placement; Under the prerequisite that does not influence pump intensity, prevent that effectively anti-corrosion layer from combining closely not produce negative pressure, vacuum, cracking, shelling phenomenon with pump housing shell.
Technological scheme of the present invention is achieved in that
A kind of waste acid concentration axial flow pump pump housing comprises pump housing shell and anti-corrosion layer, it is characterized in that: said anti-corrosion layer is embedded on the said pump housing shell.
A kind of in plucking formula, rivet type, gong cellular type, interior big outer little slot type or the stiffening rib formula adopted in connection between said pump housing shell and the anti-corrosion layer.
Described anti-corrosion layer is a kind of in fluoroplastics layer, frp layer, enamel layer, graphite layer or the carbon fiber layer.
Described pump housing shell and anti-corrosion layer adopt overall structure or adopt radially or axial split composite structure.
Said glass fibre reinforced plastic structure adopts overall structure or adopts radially or axial split composite structure.
Said pump housing shell and front pump cover are made an integral body, perhaps make an integral body with rear pump cover, perhaps make an integral body with said forward and backward pump cover.
The present invention compared with prior art has following advantage:
1. a kind of in plucking formula, rivet type, gong cellular type, interior big outer little slot type or the stiffening rib formula adopted in the connection between pump housing shell and the anti-corrosion layer.Make the interlock better of anti-corrosion layer and metal shell; Can make both firmly, very ideally combine, avoid anti-corrosion layer Yin Gaowen and being out of shape not under the pump circulation state, not ftracture because of low temperature; Not because of negative pressure comes off, greatly improved the working life of the pump housing.
2. anti-corrosion layer is a kind of in fluoroplastics layer, frp layer, enamel layer, graphite layer or the carbon fiber layer.Can select arbitrarily according to the Environmental Conditions of pump and the price of pump, make pump have good cost performance.
3. pump housing shell and anti-corrosion layer adopt the glass fibre reinforced plastic integral structure, improve pump housing intensity, have prolonged the working life of the pump housing.
4. said pump housing body and front pump cover are made an integral body, perhaps make an integral body with rear pump cover, perhaps make an integral body with said forward and backward pump cover, reduce the difficulty of processing of pump, improve the bulk strength of pump simultaneously.
Description of drawings
Fig. 1 is the structural representation of a kind of waste acid concentration axial flow pump pump housing according to the invention
1. pump housing shell 2. anti-corrosion layers 3. front pump covers 4. rear pump covers
Embodiment
As can be seen from Figure 1; A kind of waste acid concentration axial flow pump pump housing; Comprise pump housing shell 1; Said pump housing shell 1 inboard is inlaid with anti-corrosion layer 2, and a kind of in plucking formula, rivet type, gong cellular type, interior big outer little slot type or the stiffening rib formula adopted in connection between said pump housing shell 1 and the anti-corrosion layer 2.Described anti-corrosion layer 2 is a kind of in fluoroplastics layer, frp layer, enamel layer, graphite layer or the carbon fiber layer.Described pump housing shell 1 adopts overall structures with anti-corrosion layer 2 or adopts radially or axial two, three or four split composite structures.Said pump housing shell 1 is made an integral body with front pump cover 3, perhaps makes an integral body with rear pump cover 4, perhaps makes an integral body with said front pump cover 3 with pump cover 4.
Claims (5)
1. a waste acid concentration axial flow pump pump housing comprises pump housing shell (1) and anti-corrosion layer (2), and it is characterized in that: said anti-corrosion layer is embedded on the said pump housing shell (1).
2. a kind of waste acid concentration axial flow pump pump housing according to claim 1 is characterized in that: a kind of in plucking formula, rivet type, gong cellular type, interior big outer little slot type or the stiffening rib formula adopted in connection between said pump housing shell (1) and the anti-corrosion layer (2).
3. a kind of waste acid concentration axial flow pump pump housing according to claim 1 is characterized in that: described anti-corrosion layer (1) is a kind of in fluoroplastics layer, frp layer, enamel layer, graphite layer or the carbon fiber layer.
4. a kind of waste acid concentration axial flow pump pump housing according to claim 1; It is characterized in that: said pump housing shell (1) is made an integral body with front pump cover (3); Perhaps make an integral body, perhaps make an integral body with said front pump cover (3) and rear pump cover (4) with rear pump cover (4).
5. a kind of waste acid concentration axial flow pump pump housing according to claim 1 is characterized in that: described pump housing shell (1) and anti-corrosion layer (2) adopt overall structure or adopt radially split composite structure or axial split composite structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010273531XA CN102384108A (en) | 2010-08-31 | 2010-08-31 | Waste acid concentrating axial-flow pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010273531XA CN102384108A (en) | 2010-08-31 | 2010-08-31 | Waste acid concentrating axial-flow pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102384108A true CN102384108A (en) | 2012-03-21 |
Family
ID=45823819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010273531XA Pending CN102384108A (en) | 2010-08-31 | 2010-08-31 | Waste acid concentrating axial-flow pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321937A (en) * | 2013-06-24 | 2013-09-25 | 江苏英特泵阀制造有限公司 | Anti-reflux forced-circulation efficient axial flow pump |
-
2010
- 2010-08-31 CN CN201010273531XA patent/CN102384108A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321937A (en) * | 2013-06-24 | 2013-09-25 | 江苏英特泵阀制造有限公司 | Anti-reflux forced-circulation efficient axial flow pump |
| CN103321937B (en) * | 2013-06-24 | 2016-03-02 | 江苏英特泵阀制造有限公司 | Anti-reflux forced-circulation efficient axial flow pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120321 |