CN202926646U - Anti-explosion vertical self-sucking pump - Google Patents
Anti-explosion vertical self-sucking pump Download PDFInfo
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- CN202926646U CN202926646U CN 201220593806 CN201220593806U CN202926646U CN 202926646 U CN202926646 U CN 202926646U CN 201220593806 CN201220593806 CN 201220593806 CN 201220593806 U CN201220593806 U CN 201220593806U CN 202926646 U CN202926646 U CN 202926646U
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Abstract
The utility model relates to an anti-explosion vertical self-sucking pump, which comprises an anti-explosion motor, a motor seat, a bearing seat, a box body, a pump cover, a guide vane, an impeller, a main shaft, a guide bearing, a temperature measurement component and an anti-explosion liquid level switch, wherein the anti-explosion motor is mounted on the motor seat; the bearing seat is mounted on the box body; a motor shaft is connected with the main shaft of the pump by a diaphragm coupling; and a metal bearing, a mechanical seal, the impeller, a guide bearing shaft sleeve, the guide bearing and an impeller nut are mounted on the main shaft in sequence from top down. The anti-explosion vertical self-sucking pump has the advantages as follows: the anti-explosion motor and a non-electric anti-explosion pump body are combined, so that the anti-explosion requirements of first and second zones II are met; high temperature is easily caused under the fault condition, and the temperature measurement probe is mounted in the high-temperature position, so that the requirement of the structural safety in the anti-explosion standard is met; the anti-explosion liquid level switch is arranged on the bearing seat, so that the requirement of liquid immersion (anti-explosion type: k) in the anti-explosion standard is met; and the no-spark metal impeller or the anti-static nonmetal impeller is adopted, so that the requirement of the structural safety in the anti-explosion standard is met.
Description
Technical field
The utility model relates to a kind of explosion-proof vertical self-priming pump, being applicable to the industries such as electronics, electric power, chemical industry, metallurgy, medicine, plating, environmental protection fire-fighting, municipal administration, water purification, defence and military, textile printing and dyeing, digging ore dressing, civil building, petrochemical industry has the occasion of relevant requirement of explosion proof, belongs to the mechanical pump technical field.
Background technique
Also not in conjunction with the explosion-proof vertical self-sucking pump of non-electricity, it is explosion-proof that only self-priming pump is motor in the market.The structural type of vertical self-sucking pump mainly contains two kinds in the market: a kind of is old-fashioned non-sealing self-sucking pump, there is the problem that efficient is lower, self-priming performance is relatively poor, fed sheet of a media is easily revealed in this kind structure, particularly the related occasion of requirement of explosion proof is being arranged, can not meet the explosion-proof working condition requirement of user; Another kind of for being with Packed vertical self-sucking pump, this kind pump only exists that motor is explosion-proof and the pump housing does not partly possess the shortcoming of explosion prevention function.All there is potential safety hazard in actual use in the pump of above two types.
Summary of the invention
The utility model provides a kind of explosion-proof vertical self-priming pump, be intended to overcome the existing defects of prior art, employing arranges temperature probe at bearing support, adjoin the choma place at pump cover temperature probe is set, at bearing support, the explosion-proof liquid level switch is set, stator adopts ordinary metallic material to make, and impeller adopts no-spark metallic material or antistatic nonmetallic material to make; Or stator adopts no-spark metallic material or antistatic nonmetallic material to make, and impeller adopts ordinary metallic material to make, and mode that choma adopts that no-spark metallic material or antistatic nonmetallic material are made etc. has effectively solved the Explosion-Proof of vertical self-sucking pump.
Technical solution of the present utility model: it is characterized in that anti-explosion motor is arranged on motor cabinet, the motor cabinet below is installation shaft bearing, casing, pump cover, impeller, stator, guide bearing, guide bearing axle sleeve and casing bottom successively, and by in main shaft through-shaft bearing, pump cover, impeller, stator, guide bearing, guide bearing shaft sleeve parts; Bearing support top is connected with bolt with motor cabinet, the bearing support bottom is connected with bolt with casing, form the pump housing part of explosion-proof self-priming pump, the A temperature measurement component is arranged on bearing support, and the explosion-proof liquid level switch is arranged on bearing support, the B temperature measurement component is arranged on pump cover, the guide bearing axle sleeve is arranged on main shaft, and diaphragm coupling is installed on anti-explosion motor and main shaft, and machine envelope seat is installed on the bearing support bottom, mechanical seal is positioned at machine envelope seat, and oil-raising machine is installed on the bearing support inner main axis; Pump needs to pour into liquid in pump when starting for the first time, makes in the gas-liquid separation chamber of pump and pump intake chamber all to be full of liquid, during pump startup, under the effect of impeller, the wrapped folder of the gas in intake chamber and inlet ductwork by the liquid of perfusion is rejected to outside pump chamber gradually, realize the pump normal operation; After pump is shut down, due to siphonage, make some liquid of pump internal memory, when starting shooting for next time during vapor-liquid separation.
Advantage of the present utility model: this pump adopt anti-explosion motor and the explosion-proof pump housing of non-electricity (explosion-proof sign: the EXck II T4Gb) mode of combination, satisfy the requirement of explosion proof in II class 1st district, 2nd district, solving other pump, only to possess motor explosion-proof and do not possess the explosion-proof problem of the pump housing.Lower easy generation high temperature place (the bearing oil starvation of nonserviceabling, fault friction between impeller and choma) adopt the mode (controlling below the temperature of high temperature place's temperature lower than requirement of explosion proof) that temperature probe is installed, satisfy the requirement of structure safety type in explosion-proof criteria (anti-flaming type c).Employing arranges the mode of explosion-proof liquid level switch on bearing support, satisfy (the anti-flaming type: requirement k) of liquid immersion type in explosion-proof criteria.Adopt the mode of no-spark metallic impeller or antistatic nonmetal impeller to satisfy (the anti-flaming type: requirement c) of structure safety type in explosion-proof criteria.
Description of drawings
Accompanying drawing 1 is the section of structure of explosion-proof vertical self-priming pump.
In figure 1 is anti-explosion motor, the 2nd, diaphragm coupling, the 3rd, motor cabinet, the 4th, bearing gland, the 5th, bearing support, the 6th, A temperature measurement component, the 7th, explosion-proof liquid level switch, the 8th, pump cover, the 9th, B temperature measurement component, the 10th, impeller, the 11st, stator, the 12nd, casing, the 13rd, casing bottom, the 14th, impeller nut, the 15th, emptying pipe fitting, the 16th, guide bearing, the 17th, guide bearing axle sleeve, the 18th, choma, the 19th, main shaft, the 20th, mechanical seal, the 21st, machine envelope seat, the 22nd, oil-raising machine.
Embodiment
Contrast accompanying drawing 1, its structure is that anti-explosion motor 1 is arranged on motor cabinet 3, motor cabinet 3 belows are installation shaft bearing 5, casing 12, pump cover 8, impeller 10, stator 11, guide bearing 16, guide bearing axle sleeve 17 and casing bottom 13 successively, and by main shaft 19 in the parts such as bearing support 5, pump cover 8, impeller 10, stator 11, guide bearing 16, guide bearing axle sleeve 17; Bearing support 5 tops are connected with motor cabinet 3 use bolts, bearing support 5 bottoms are connected with casing 12 use bolts, the pump housing part that forms explosion-proof self-priming pump, A temperature measurement component 6 is arranged on bearing support 5, explosion-proof liquid level switch 7 is arranged on bearing support 5, B temperature measurement component 9 is arranged on pump cover 8, guide bearing axle sleeve 17 is arranged on main shaft 19, diaphragm coupling 2 is installed on anti-explosion motor 1 and main shaft 19, machine envelope seat 21 is installed on bearing support 5 bottoms, mechanical seal 20 is positioned at machine envelope seat 21, and oil-raising machine 22 is installed on bearing support 5 inner main axis 19; The side cavity that described pump cover 8, casing 12, stator 11 consist of is called vapor-liquid separation chamber; The opposite side cavity that bearing support 5, machine envelope seat 17, pump cover 8, stator 11 consist of is called intake chamber.
Inlay guide bearing 16 on described casing 12, guide bearing 16 is positioned at casing 12 bottoms.
Installing explosion-proof liquid level switch on bearing support.
Stator adopts ordinary metallic material to make, and impeller adopts no-spark metallic material or antistatic nonmetallic material to make; Or stator adopts no-spark metallic material or antistatic nonmetallic material to make, and impeller adopts ordinary metallic material to make, and choma adopts no-spark metallic material or antistatic nonmetallic material to make.
Pump needs to pour into liquid in pump when starting for the first time, makes in the gas-liquid separation chamber of pump and pump intake chamber all to be full of liquid, during pump startup, under the effect of impeller, the wrapped folder of the gas in intake chamber and inlet ductwork by the liquid of perfusion is rejected to outside pump chamber gradually, realize the pump normal operation.After pump is shut down, due to siphonage, make some liquid of pump internal memory, when starting shooting for next time during vapor-liquid separation.
In the pump operation process, by the setting (bearing alarm temperature and shutdown temperature are set) to A temperature measurement component 6, avoid bearing without oil operation and failure operation, guarantee explosion-proof performance and the safe operation of pump.By the setting (alarm temperature and shutdown temperature are set) to the B temperature measurement component, when avoiding the failure of pump operation, the formed high temperature of the friction between impeller and choma guarantees explosion-proof performance and the safe operation of pump.
By the explosion-proof liquid level switch is set on bearing support, guarantee that the liquid of lower bearing and machine envelope soaks environment, guarantee explosion-proof performance and the safe operation of pump.
By stator is made with ordinary metallic material, impeller is made with no-spark metallic material or antistatic nonmetallic material; Or stator is made with no-spark metallic material or antistatic nonmetallic material, impeller is made with ordinary metallic material, mechanical spark when choma the compound mode such as is made and avoided the operation of pump static electrification and fault with no-spark metallic material or antistatic nonmetallic material between rotor part and pump housing fixed component is guaranteed explosion-proof performance and the safe operation of pump.
product of the present invention adopts special no-spark structure between rotary component and fixed component, namely by beryllium bronze, tin bronze, no-spark materials such as brass material or by anlistatig nonmetallic material antistatic polyphenylene sulfide, antistatic fluoroplastic are made bearing gland and are arranged on bearing support, upper bearing (metal) is arranged in bearing support, lower bearing is arranged in bearing support, by beryllium bronze, tin bronze, brass material integral manufacturing or by anlistatig nonmetallic material antistatic polyphenylene sulfide, antistatic fluoroplastic integral manufacturing machine envelope seat is arranged on bearing support, mechanical seal is arranged in machine envelope seat, rotor shaft is through bearing support, pump cover, impeller, stator, guide bearing, in the parts such as guide bearing axle sleeve.
When having avoided in pump operation catastrophic failure, the friction between two parts and the mechanical spark that causes, the possibility of igniting the potential explosive atmosphere of work environment has further improved the operational reliability of self-priming pump.
Claims (4)
1. explosion-proof vertical self-priming pump, it is characterized in that anti-explosion motor is arranged on motor cabinet, the motor cabinet below is installation shaft bearing, casing, pump cover, impeller, stator, guide bearing, guide bearing axle sleeve and casing bottom successively, and by in main shaft through-shaft bearing, pump cover, impeller, stator, guide bearing, guide bearing shaft sleeve parts; Bearing support top is connected with bolt with motor cabinet, the bearing support bottom is connected with bolt with casing, form the pump housing part of explosion-proof self-priming pump, the A temperature measurement component is arranged on bearing support, and the explosion-proof liquid level switch is arranged on bearing support, the B temperature measurement component is arranged on pump cover, the guide bearing axle sleeve is arranged on main shaft, and diaphragm coupling is installed on anti-explosion motor and main shaft, and machine envelope seat is installed on the bearing support bottom, mechanical seal is positioned at machine envelope seat, and oil-raising machine is installed on the bearing support inner main axis.
2. a kind of explosion-proof vertical self-priming pump according to claim 1, is characterized in that the side cavity that described pump cover, casing, stator consist of is called vapor-liquid separation chamber; The opposite side cavity that bearing support, machine envelope seat, pump cover, stator consist of is called intake chamber.
3. a kind of explosion-proof vertical self-priming pump according to claim 1, is characterized in that inlaying guide bearing on described casing, and guide bearing is positioned at lower box.
4. a kind of explosion-proof vertical self-priming pump according to claim 1, is characterized in that installing explosion-proof liquid level switch on bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593806 CN202926646U (en) | 2012-11-13 | 2012-11-13 | Anti-explosion vertical self-sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593806 CN202926646U (en) | 2012-11-13 | 2012-11-13 | Anti-explosion vertical self-sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926646U true CN202926646U (en) | 2013-05-08 |
Family
ID=48216614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220593806 Expired - Fee Related CN202926646U (en) | 2012-11-13 | 2012-11-13 | Anti-explosion vertical self-sucking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979161A (en) * | 2017-05-11 | 2017-07-25 | 镇江正汉金利特泵业有限公司 | A kind of deep-well Special pump for collecting brine |
-
2012
- 2012-11-13 CN CN 201220593806 patent/CN202926646U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979161A (en) * | 2017-05-11 | 2017-07-25 | 镇江正汉金利特泵业有限公司 | A kind of deep-well Special pump for collecting brine |
| CN106979161B (en) * | 2017-05-11 | 2024-01-12 | 镇江正汉金利特泵业有限公司 | Special pump for collecting brine for deep well |
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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: 20130508 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |