CN203430808U - Acid-alkali resisting ceramic vacuum pump - Google Patents
Acid-alkali resisting ceramic vacuum pump Download PDFInfo
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- CN203430808U CN203430808U CN201320536894.7U CN201320536894U CN203430808U CN 203430808 U CN203430808 U CN 203430808U CN 201320536894 U CN201320536894 U CN 201320536894U CN 203430808 U CN203430808 U CN 203430808U
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- pump
- ceramic
- vacuum pump
- acid
- pump housing
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Abstract
The utility model relates to an acid-alkali resisting ceramic vacuum pump, in particular to an acid-alkali resisting and corrosion resisting ceramic vacuum pump, and belongs to the field of vacuum pump devices. The acid-alkali resisting ceramic vacuum pump comprises a pump body (20), a pump cover (21), a pump shaft (16), an impeller (19) and a motor (12). The left end portion of the pump shaft (16) is arranged in the pump body (20) and provided with the impeller (19) in a matched mode, and the right end portion of the pump shaft (16) is connected with the motor (12). The acid-alkali resisting ceramic vacuum pump is characterized in that a ceramic distribution disc (2) which is arranged in a disc mode is arranged between the pump cover (21) and the pump body (20), a ceramic liner is attached to the inner wall of the pump body (20), the mounting impeller (19) is eccentric ally arranged in the a cavity defined by the ceramic liner and the ceramic distribution disc (2) through the left end portion of the pump shaft (16), a fixed connection device is arranged between the right end face of the pump body (20) and the motor (12), and a horizontal integrated structure is formed. The corrosion resistance of the ceramic vacuum pump is enhanced, air and other corrosive gases not containing solid particles can be pumped, and organic acid or inorganic acid not containing suspended particles or crystals also can be pumped.
Description
Technical field
Acid resistant alkali ceramic vacuum pump, belongs to vaccum pump unit field, be specifically related to a kind of can acid resistant alkali, corrosion resistant ceramic vacuum pump.
Background technique
Vacuum pump is the device for suction and conveying gas, in industries such as chemical industry, pharmacy, papermaking, building materials, plastics, weavings, be widely used in vacuum handling, in use, often because containing a large amount of corrosivity compositions in the gas that is sucked or carries causes badly damagedly to vacuum pump, shortened dramatically the working life of vacuum pump.
Although also there is minority to adopt corrosion-resistant material as embedded lining, as adopt glass fibre reinforced plastics, scribble the material such as metal, stainless steel of anticorrosive repair agent, although all played certain anticorrosion effect, but also exist following defect: one, glass fibre reinforced plastics acid-proof alkaline is good, user cost is low, but dynamically wears no resistance, can not keep in repair, and needs specialized mould to make; Two, scribble the metal of anticorrosive repair agent, can keep in repair, but working life is shorter; Three, stainless steel long service life, but hydrofluoric acid resistant not, and user cost is higher.
Moreover the volume of most vacuum pump is large, structure is comparatively complicated, installation conditions is had relatively high expectations, and is not easy to install and later maintenance early stage.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of long service life, compact structure, acid resistant alkali ceramic vacuum pump that acid-proof alkaline is strong are provided.
The utility model solves the technological scheme that its technical problem adopts: this acid resistant alkali ceramic vacuum pump, comprise the pump housing, pump cover, pump shaft, impeller and motor, pump shaft left part is arranged in the pump housing and equipped impeller, right part connects motor, it is characterized in that: the ceramic distribution switchboard that is provided with discoid setting between described pump cover and the pump housing, on pottery distribution switchboard, offer intakeport and relief opening, at pump housing inwall, paste ceramic liner is set, in the cavity that ceramic liner and ceramic distribution switchboard surround by the installation impeller of pump shaft left part bias, between pump housing right side and motor, be provided with fixed connection apparatus, form horizontal integral structure.By set up acid resistant alkali, extremely strong ceramic liner and the ceramic distribution switchboard of corrosion resistance in the pump housing, strengthened the corrosion resistance of equipment, this equipment not only can pump air and other do not contain the corrosive gas of solid particle, can also be for pumping various organic acid or the inorganic acids that do not contain suspended particulate or crystallization; Motor and the pump housing form horizontal integral linkage structure by fixed connection apparatus, are not only convenient to installation and maintenance, have also saved installing space, have reduced installation conditions requirement.
On described ceramic distribution switchboard left side, tetrafluoro valve block and acid-resistant stainless steel pressing plate are housed, and are furnished with teflon cavitation venturi.
Between described ceramic liner and the pump housing, be filled with packing material.
Described ceramic liner is integral type tube structure, and cross section is concave shape setting, and section is provided with seal groove device.Ceramic liner is acid resistant alkali ceramic making, cast iron armouring, and be fixedly connected with the pump housing by locating stud.
Described ceramic liner is split-type structural, comprises that ring-type is centered around the ceramic liner ring of pump housing inwall border and fixing seal at the bottom of the ceramic liner of its right side.Split-type structural is more convenient for manufacturing, is assembled and maintenance.
The connection hole of described pump shaft and the pump housing and ceramic liner is provided with seal arrangement.Mechanical seal, for the pump shaft section between sealed vacuum chamber and atmosphere, prevents the leakage of gas and working solution, fully guarantees the degree of vacuum that pump body is good.
Described seal arrangement is from flushing type single mechanical end face seal or the independent double mechanical seal rinsing.
Described fixed connection apparatus comprises bracket, clutch shaft bearing, the second bearing and coupling, and bracket is the inner cylindrical shell that is provided with bearing fixed seat, and cylindrical shell two ends are connected pump housing right side and motor left side by the second hexagon head bolt respectively with connecting bolt flange.
Described bearing fixed seat is axially provided with two side by side, and the bearing fixed seat in left side is installed clutch shaft bearing and is furnished with front bearing retainer and positions, seals, and the bearing fixed seat on right side is installed the second bearing and is furnished with rear bearing cover.
Compared with prior art, the beneficial effect that the utility model has is:
1, acid-proof alkaline strong, expand Applicable scope: by set up acid resistant alkali, extremely strong ceramic liner and the ceramic distribution switchboard of corrosion resistance in the pump housing; strengthened the corrosion resistance of equipment; this equipment not only can pump air and other do not contain the corrosive gas of solid particle, can also be for pumping various organic acid or the inorganic acids that do not contain suspended particulate or crystallization.
2, compact structure, spatial design are reasonable: motor and the pump housing form horizontal integral linkage structure by fixed connection apparatus, during installation, only need Plane Installation, not only reduced the volume of equipment, more compact structure, be convenient to installation and maintenance, and saved installing space, reduced installation conditions requirement.
3, good seal performance, assurance degree of vacuum: the connection hole of pump shaft and the pump housing and ceramic liner is provided with from flushing type single mechanical end face seal or the independent double mechanical seal rinsing, for the pump shaft section between sealed vacuum chamber and atmosphere, prevent the leakage of gas and working solution, fully guarantee the degree of vacuum that pump body is good.
Accompanying drawing explanation
Fig. 1 is acid resistant alkali ceramic vacuum pump structural front view schematic diagram.
Fig. 2 is ceramic distribution switchboard structural front view schematic diagram.
Fig. 3 is Fig. 2 partial structurtes side-looking cross-sectional schematic.
Wherein: 1, the first hexagon head bolt 2, pottery distribution switchboard 3, ceramic liner ring 4, packing material 5, locating stud 6, at the bottom of ceramic liner 7, front bearing retainer 8, bracket 9, rear bearing cover 10, coupling 11, connecting bolt 12, motor 13, flat key 14, screw 15, clutch shaft bearing 16, pump shaft 17, the second bearing 18, mechanical seal 19, impeller 20, the pump housing 21, pump cover 22, bearing fixed seat 23, the second hexagon head bolt 24, intakeport 25, relief opening 26, pressing plate 27, cavitation venturi 28, tetrafluoro valve block.
Embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 3 pair of the utility model of accompanying drawing.
With reference to accompanying drawing 1 ~ 3: this acid resistant alkali ceramic vacuum pump, comprise the pump housing 20, pump cover 21, pump shaft 16, impeller 19, fixed connection apparatus and motor 12, the pump housing 20 inner chambers are acid-proof ceramics, cast iron armouring; Pump cover 21 is acid-resistant stainless steel or ironcasting, inside scribbles the anti-extensive chemical corrosion protection of EE-121K material; Pump shaft 16 is that acid-resistant stainless steel or two phase stainless steel are made, and being arranged in the pump housing 20 of pump shaft 16 left part bias is also equipped with impeller 19, and right part connects motor 12; Impeller 19 is acid-resistant stainless steel, two phase stainless steel or adopts phenolic fibre reinforced plastic, through high temperature resistant, high pressure abrasive tool moulding processing and fabricating.
Ceramic liner is split-type structural, comprise that ring-type is centered around the ceramic liner ring 3 of the pump housing 20 inwall borders and fixing seal at the bottom of the ceramic liner of its right side 6, at the bottom of ceramic liner, 6 are fixedly connected with ceramic liner ring 3 by locating stud 5, utilize packing material and the pump housing 20 to form pump assembly.Pump shaft 16 is provided with seal arrangement with the connection hole of the pump housing 20 and ceramic liner.Seal arrangement is from flushing type single mechanical end face seal or the independent double mechanical seal rinsing.
Fixed connection apparatus comprises bracket 8, clutch shaft bearing 15, the second bearing 17 and coupling 10, bracket 8 is the inner cylindrical shell that is provided with bearing fixed seat 22, cylindrical shell two ends are connected the pump housing 20 right sides and motor 12 left sides by the second hexagon head bolt 23 respectively with connecting bolt 11 flanges, pump shaft 16 right parts connect coupling 10 by flat key 13.Bearing fixed seat 22 is axially provided with two side by side, and the bearing fixed seat 22 in left side is installed clutch shaft bearing 15 and is furnished with front bearing retainer 7 and seals, and the bearing fixed seat 22 on right side is installed the second bearing 17 and is furnished with rear bearing cover 9.
In addition, ceramic liner also can be set to the integral structure that cross section is concave shape setting.
Working procedure is as follows: this acid resistant alkali ceramic vacuum pump is when work, complete machine turns round according to water ring vaccum pump principle, impeller 19 bias be arranged on the pump housing 20 inside, motor 12 starts, by coupling 10, drive pump shaft 16 to rotate, pump shaft 16 impeller 19 are rotated, working solution in the pump housing 20 forms a pendular ring concentric with the pump housing 20 in inside, impeller 19 by transmission of power to pendular ring, pendular ring is at 19 periodically pulsings of impeller, during pulsation, gas is inhaled into by the intakeport 24 of ceramic distribution switchboard 2, after overcompression, the relief opening 25 from ceramic distribution switchboard 2 is discharged again, complete pumping of a gas.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (9)
1. acid resistant alkali ceramic vacuum pump, comprise the pump housing (20), pump cover (21), pump shaft (16), impeller (19) and motor (12), pump shaft (16) left part is arranged in the pump housing (20) and equipped impeller (19), right part connects motor (12), it is characterized in that: the ceramic distribution switchboard (2) that is provided with discoid setting between described pump cover (21) and the pump housing (20), on pottery distribution switchboard (2), offer intakeport (24) and relief opening (25), at the pump housing (20) inwall, paste ceramic liner is set, in the cavity that ceramic liner and ceramic distribution switchboard (2) surround by the installation impeller (19) of pump shaft (16) left part bias, between the pump housing (20) right side and motor (12), be provided with fixed connection apparatus, form horizontal integral structure.
2. acid resistant alkali ceramic vacuum pump according to claim 1, is characterized in that: on described ceramic distribution switchboard (2) left side, tetrafluoro valve block (28) and acid-resistant stainless steel pressing plate (26) are housed, and are furnished with teflon cavitation venturi (27).
3. acid resistant alkali ceramic vacuum pump according to claim 1, is characterized in that: described ceramic liner and the pump housing are filled with packing material between (20).
4. according to the acid resistant alkali ceramic vacuum pump described in claim 1 or 3, it is characterized in that: described ceramic liner is integral type tube structure, and cross section is concave shape setting, and section is provided with seal groove device.
5. according to the acid resistant alkali ceramic vacuum pump described in claim 1 or 3, it is characterized in that: described ceramic liner is split-type structural, comprise that ring-type is centered around ceramic liner ring (3) and the fixing seal (6) at the bottom of the ceramic liner of its right side of the pump housing (20) inwall border.
6. acid resistant alkali ceramic vacuum pump according to claim 1, is characterized in that: described pump shaft (16) is provided with seal arrangement with the connection hole of the pump housing (20) and ceramic liner.
7. acid resistant alkali ceramic vacuum pump according to claim 6, is characterized in that: described seal arrangement is the double mechanical seal from flushing type single mechanical end face seal or independent flushing.
8. acid resistant alkali ceramic vacuum pump according to claim 1, it is characterized in that: described fixed connection apparatus comprises bracket (8), clutch shaft bearing (15), the second bearing (17) and coupling (10), bracket (8) is provided with the cylindrical shell of bearing fixed seat (22) for inside, and cylindrical shell two ends are connected the pump housing (20) right side and motor (12) left side by the second hexagon head bolt (23) respectively with connecting bolt (11) flange.
9. acid resistant alkali ceramic vacuum pump according to claim 8, it is characterized in that: described bearing fixed seat (22) is axially provided with two side by side, the bearing fixed seat (22) in left side is installed clutch shaft bearing (15) and is furnished with front bearing retainer (7) and positions, seals, and the bearing fixed seat on right side (22) is installed the second bearing (17) and is furnished with rear bearing cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536894.7U CN203430808U (en) | 2013-08-31 | 2013-08-31 | Acid-alkali resisting ceramic vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536894.7U CN203430808U (en) | 2013-08-31 | 2013-08-31 | Acid-alkali resisting ceramic vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430808U true CN203430808U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320536894.7U Expired - Fee Related CN203430808U (en) | 2013-08-31 | 2013-08-31 | Acid-alkali resisting ceramic vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065296A (en) * | 2015-08-20 | 2015-11-18 | 陈钦先 | Novel horizontal single-segment type vacuum pump |
| CN108799134A (en) * | 2018-05-23 | 2018-11-13 | 吴玉婷 | A kind of acid and alkali-resistance chemical pump |
-
2013
- 2013-08-31 CN CN201320536894.7U patent/CN203430808U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065296A (en) * | 2015-08-20 | 2015-11-18 | 陈钦先 | Novel horizontal single-segment type vacuum pump |
| CN108799134A (en) * | 2018-05-23 | 2018-11-13 | 吴玉婷 | A kind of acid and alkali-resistance chemical pump |
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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 |
Granted publication date: 20140212 Termination date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |