CN205078455U - Composite seal formula sediment stuff pump - Google Patents
Composite seal formula sediment stuff pump Download PDFInfo
- Publication number
- CN205078455U CN205078455U CN201520837926.6U CN201520837926U CN205078455U CN 205078455 U CN205078455 U CN 205078455U CN 201520837926 U CN201520837926 U CN 201520837926U CN 205078455 U CN205078455 U CN 205078455U
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- China
- Prior art keywords
- seal
- pump
- main shaft
- bracket assembly
- stuffing
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- Expired - Fee Related
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- Sealing Devices (AREA)
Abstract
The utility model discloses a composite seal formula sediment stuff pump, including base, bracket assembly, main shaft and the pump body, bracket assembly sets up on the base, the main shaft pass through the bearing with bracket assembly rotates the connection, main shaft one end with pump body transmission is connected, be equipped with packing seal device and mechanical seal device between the bracket assembly and the pump body, the pump body includes the pump case, with the matter entrance and the material export of the inside intercommunication of pump case, and set up inside main lobe wheel, auxiliary impeller and the spiral case of pump case, the mechanical seal device sets up the packing seal device outside. The utility model discloses a composite seal formula sediment stuff pump adopts the composite seal mode that mechanical seal, packing seal and auxiliary impeller are sealed, fully combines various sealed advantages, has improved sealing performance, ensures sediment thick liquid nothing and reveal that the operation is reliable, has guaranteed the mean time before failure of complete machine, can be used for the medium transport that wearability and corrosivity are stronger.
Description
Technical field
The utility model relates to centrifugal type slurry pump technical field, particularly a kind of combination seal formula Pulp pump.
Background technique
Pulp pump by the effect of centrifugal force, solid, liquid mixed medium energy is increased and carries out the equipment carried, is widely used for the occasions such as technics of metallurgy mineral dressing factory pulp conveying, thermal power plant's hydraulic(-ash) sluicing, coal washery coal slurry and dense medium conveying, river training, river desilting.Along with the expansion of Pulp pump application area, the medium character of Pulp pump conveying also becomes increasingly complex, and toxicity, corrosivity operating mode get more and more, so the sealing problem of Pulp pump is more important, sealing, once lose efficacy, leaks the life safety that directly will cause environmental pollution or threaten people.
The seal form of existing Pulp pump mainly contains following three kinds:
1, packing seal: filler fully contacts with axle, stops fed sheet of a media to pass through, thus reach sealing purpose, but the corrosion resistance of filler is poor, so the drawback of this seal form to carry poisonous, corrosive medium;
2, mechanical seal: rotating ring and stationary ring by spring vertically close contact reach sealing purpose, mechanical seal is reliable, and amount of leakage is minimum, but will note when mounted protecting rubbing surface, avoids wearing and tearing;
3, sub-impeller seal: by the impeller action power of reverse centrifugal force, prevent leaked liquid, accessory vane shaft seal needs shaft seal water, but does not dilute slurry, can pay the utmost attention to this kind of sealing at slurry under not allowing the prerequisite of diluting.
Above-mentioned seal form all has certain Pros and Cons, and each form all can not adapt to various operating mode completely.
Model utility content
The advantage of the comprehensive above-mentioned seal form of the utility model, propose a kind of combination seal formula Pulp pump, comprise base, bracket assembly, main shaft and the pump housing, described bracket assembly is arranged on described base, described main shaft is rotationally connected by bearing and described bracket assembly, described main shaft one end and the described pump housing are in transmission connection, stuffing seal and mechanical seal device is provided with between described bracket assembly and the pump housing, the described pump housing comprises pump case, the material inlet be communicated with described pump case inside and material outlet, and be arranged on the main impeller of described pump case inside, sub-propeller and spiral case, described main impeller is connected with described spindle with sub-propeller, described main impeller both sides are respectively equipped with apron plate and rear backplate, described spiral case is set in outside described apron plate and rear backplate and forms an airtight active chamber, described sub-propeller is arranged on the side near described stuffing seal, described mechanical seal device is arranged on outside described stuffing seal.
As further improvement of the utility model, described bracket assembly comprises bracket and bay cover, is arranged on the thin oil lubricant oil pocket on described bracket top, and the cooler be arranged in described thin oil lubricant oil pocket and disc, and described disc is arranged on main shaft.
As further improvement of the utility model, described mechanical seal device comprises rotating ring, stationary ring, spring and spring throw-out collar, described stationary ring is arranged on outside described stuffing seal, described rotating ring to be arranged on outside described stationary ring and to be connected with described main shaft, described spring is arranged on outside described rotating ring, and described spring throw-out collar is arranged between described rotating ring and described spring.
As further improvement of the utility model, described stuffing seal comprises Stuffing box, Gland and filler, and described packing seal is arranged in described Stuffing box by described Gland.
As further improvement of the utility model, described Gland is provided with pipe joint, is provided with seal cage in described Stuffing box, and described seal cage is arranged on the end of described filler, and described pipe joint is communicated with described seal cage by connecting tube.
As further improvement of the utility model, be provided with stripping ring outside described Gland, described stripping ring is set on described main shaft, and is leaned on described sub-propeller by axle sleeve.
As further improvement of the utility model, described pump case comprises front pump shell and rear pump shell, and described front pump shell and rear pump shell are bolted to connection.
As further improvement of the utility model, the bearing two ends of described bracket side are provided with adjusting nut, and described adjusting nut is connected with described main shaft.
As further improvement of the utility model, described pump case is made up of antifriction metal (AFM) material, and described spiral case is made up of wear-and corrosion-resistant metal or quality of rubber materials.
The beneficial effects of the utility model are:
Combination seal formula Pulp pump of the present utility model, adopt the combination seal mode of mechanical seal, packing seal and sub-impeller seal, fully in conjunction with the advantage of various sealing, improve sealability, guarantee that slag slurry is without revealing, reliable, ensure that the mean time between failures of complete machine, can be used in wear resistance and the stronger medium transport of corrosivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, not secondary go out creative work prerequisite under, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Mark in figure: 1-base; 2-bracket assembly; 21-bracket; 22-bay cover; 23-thin oil lubricant oil pocket; 24-cooler; 25-disc; 3-main shaft; 31-axle sleeve; The 4-pump housing; 41-pump case; 411-front pump shell; 412-rear pump shell; 42-material inlet; 43-material outlet; 44-main impeller; 45-sub-propeller; 46-spiral case; 47-apron plate; Backplate after 48-; 5-bearing; 6-mechanical seal device; 61-rotating ring; 62-stationary ring; 63-spring; 64-spring throw-out collar; 7-stuffing seal; 71-Stuffing box; 72-Gland; 73-filler; 74-pipe joint; 75-seal cage; 8-stripping ring; 9-adjusting nut.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.
As depicted in figs. 1 and 2, a kind of combination seal formula Pulp pump, comprise base 1, bracket assembly 2, main shaft 3 and the pump housing 4, bracket assembly 2 is arranged on base 1, main shaft 3 is rotationally connected by bearing 5 and bracket 2 assembly, main shaft 3 one end and the pump housing 4 are in transmission connection, and be provided with mechanical seal device 6 and stuffing seal 7 between bracket assembly 2 and the pump housing 4, mechanical seal device 7 is arranged on outside stuffing seal 6.
Bracket assembly 2 comprises bracket 21 and bay cover 22, be arranged on the thin oil lubricant oil pocket 23 on bracket 21 top, and the cooler 24 be arranged in thin oil lubricant oil pocket 23 and disc 25, disc 25 to be arranged on main shaft 3 and can to follow main shaft 3 and rotates together, for carrying out lubrication and cooling to main shaft 3.
The pump housing 4 comprises pump case 41, the material inlet 42 be communicated with pump case 41 inside and material outlet 43, and be arranged on the main impeller 44 of pump case 41 inside, sub-propeller 45 and spiral case 46, main impeller 44 and sub-propeller 45 are in transmission connection with main shaft 3, main impeller 44 both sides are respectively equipped with apron plate 47 and rear backplate 48, sub-propeller 45 is arranged on the side near stuffing seal 7, and spiral case 46 is set in outside apron plate 47 and rear backplate 48 and forms an airtight active chamber.
When the pump housing 4 works, clear water from external pressurisation pump enters in the runner of sub-propeller 45, simultaneously because the turning effort of sub-propeller 45 makes formation one in runner have certain thickness Breakup of Liquid Ring, Breakup of Liquid Ring produce centrifugal force by with sub-propeller 45 around pressure medium balance each other, thus ensure medium can not reveal.
Pump case 41 is made up of antifriction metal (AFM) material, and spiral case 46 is made up of wear-and corrosion-resistant metal or quality of rubber materials; Pump case 41 comprises front pump shell 411 and rear pump shell 412, and front pump shell 411 and rear pump shell 412 are bolted to connection.
Mechanical seal device 6 comprises rotating ring 61, stationary ring 62 and spring 63, stationary ring 62 is fixed between axle sleeve 31 and Gland 72, rotating ring 61 to be arranged on outside stationary ring 62 and to be connected with main shaft 3 by axle sleeve 31, spring 63 is arranged between the boss of rotating ring 61 and axle sleeve 31, and spring throw-out collar 64 is arranged between rotating ring 61 and spring 63.
Rotating ring 61 and stationary ring 62 are generally made up of one soft one firmly different high-abrasive material, as graphite, teflon to cemented carbide, pottery, Tungsten carbite, silicon nitride, press against steel etc.
Rotating ring 61 can be driven when main shaft 3 rotates to rotate together, and rotating ring 61, under the effect of spring 63 and fluid pressure, is pressed on effect stationary ring 62 reaching sealing.Spring throw-out collar 64 adjusting screw (not shown) carrys out the pressure size of Regulation spring 63, to regulate the seal degree between rotating ring 61 and stationary ring 62.
Stuffing seal 7 comprises Stuffing box 71, Gland 72 and filler 73, and filler 73 sealing is arranged in Stuffing box 71 by Gland 72; Filler 73 seals, and conventional immersion oil, the leaching asbestos rope of graphite or the cotton yarn of braiding are made.
Gland 72 is provided with pipe joint 74, is provided with seal cage 75 in Stuffing box 71, and seal cage 75 is arranged on the end of filler 73, and pipe joint 74 is communicated with seal cage 75 by connecting tube; When main shaft 3 rotates, energizes high-pressure water forms high-pressure water-ring at seal cage 75 place, stops leak of liquid in pump case 41, has both strengthened the sealability of filler 73, and played Cooling and Lubricator effect again to filler 73.
Be provided with stripping ring 8 outside Gland 72, stripping ring 8 is set on main shaft 3, and leans on sub-propeller 45 by axle sleeve 31; Stripping ring 8 is for dismantling main impeller 44 and sub-propeller 45, during dismounting, first the hex head bolt of its inside is needed to dismantle, and then three bolts on stripping ring, then the ring block again above stripping ring, and then unclamp main impeller 44 and sub-propeller 45 at leisure, dismounting can reduce in unloading process the damage that the pump housing causes like this.
Bearing 5 two ends of bracket 21 side are provided with adjusting nut 9, and adjusting nut 9 and main shaft 3 are connected, and rotate adjusting nut 9 and main shaft 3 can be driven to move back and forth vertically, and then adjust main impeller 44 and the gap between sub-propeller 45 and rear backplate 48.
Combination seal formula Pulp pump of the present utility model, adopt the combination seal mode of mechanical seal, packing seal and sub-impeller seal, fully in conjunction with the advantage of various sealing, improve sealability, guarantee that slag slurry is without revealing, reliable, ensure that the mean time between failures of complete machine, can be used in wear resistance and the stronger medium transport of corrosivity.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a combination seal formula Pulp pump, it is characterized in that, comprise base, bracket assembly, main shaft and the pump housing, described bracket assembly is arranged on described base, described main shaft is rotationally connected by bearing and described bracket assembly, described main shaft one end and the described pump housing are in transmission connection, stuffing seal and mechanical seal device is provided with between described bracket assembly and the pump housing, the described pump housing comprises pump case, the material inlet be communicated with described pump case inside and material outlet, and be arranged on the main impeller of described pump case inside, sub-propeller and spiral case, described main impeller is connected with described spindle with sub-propeller, described main impeller both sides are respectively equipped with apron plate and rear backplate, described spiral case is set in outside described apron plate and rear backplate and forms an airtight active chamber, described sub-propeller is arranged on the side near described stuffing seal, described mechanical seal device is arranged on outside described stuffing seal.
2. combination seal formula Pulp pump according to claim 1, it is characterized in that, described bracket assembly comprises bracket and bay cover, be arranged on the thin oil lubricant oil pocket on described bracket top, and the cooler be arranged in described thin oil lubricant oil pocket and disc, described disc is arranged on main shaft.
3. combination seal formula Pulp pump according to claim 1, it is characterized in that, described mechanical seal device comprises rotating ring, stationary ring, spring and spring throw-out collar, described stationary ring is arranged on outside described stuffing seal, described rotating ring to be arranged on outside described stationary ring and to be connected with described main shaft, described spring is arranged on outside described rotating ring, and described spring throw-out collar is arranged between described rotating ring and described spring.
4. combination seal formula Pulp pump according to claim 1, it is characterized in that, described stuffing seal comprises Stuffing box, Gland and filler, and described packing seal is arranged in described Stuffing box by described Gland.
5. combination seal formula Pulp pump according to claim 4, it is characterized in that, described Gland is provided with pipe joint, is provided with seal cage in described Stuffing box, described seal cage is arranged on the end of described filler, and described pipe joint is communicated with described seal cage by connecting tube.
6. combination seal formula Pulp pump according to claim 5, is characterized in that, be provided with stripping ring outside described Gland, described stripping ring is set on described main shaft, and is leaned on described sub-propeller by axle sleeve.
7. combination seal formula Pulp pump according to claim 6, it is characterized in that, described pump case comprises front pump shell and rear pump shell, and described front pump shell and rear pump shell are bolted to connection.
8. combination seal formula Pulp pump according to claim 7, is characterized in that, the bearing two ends of described bracket side are provided with adjusting nut, and described adjusting nut is connected with described main shaft.
9. combination seal formula Pulp pump according to claim 8, it is characterized in that, described pump case is made up of antifriction metal (AFM) material, and described spiral case is made up of wear-and corrosion-resistant metal or quality of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837926.6U CN205078455U (en) | 2015-10-27 | 2015-10-27 | Composite seal formula sediment stuff pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837926.6U CN205078455U (en) | 2015-10-27 | 2015-10-27 | Composite seal formula sediment stuff pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078455U true CN205078455U (en) | 2016-03-09 |
Family
ID=55430869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520837926.6U Expired - Fee Related CN205078455U (en) | 2015-10-27 | 2015-10-27 | Composite seal formula sediment stuff pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078455U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840522A (en) * | 2016-03-28 | 2016-08-10 | 华北水利水电大学 | Slurry pump for building construction |
| CN108678961A (en) * | 2018-04-10 | 2018-10-19 | 陕西科技大学 | A kind of direct-connected horizontal slurry pump |
| CN108730198A (en) * | 2018-04-10 | 2018-11-02 | 陕西科技大学 | A kind of single-suction slurry pump |
| CN109139541A (en) * | 2018-09-30 | 2019-01-04 | 陕西科技大学 | It is a kind of for conveying the liquid pump of condensed water |
| CN112032057A (en) * | 2020-07-28 | 2020-12-04 | 三联泵业股份有限公司 | Centrifugal pump suitable for feeding working condition of cyclone |
| CN113982954A (en) * | 2021-10-29 | 2022-01-28 | 安徽迈宁工业泵有限公司 | Vertical long-shaft wear-resistant and corrosion-resistant slurry pump |
-
2015
- 2015-10-27 CN CN201520837926.6U patent/CN205078455U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840522A (en) * | 2016-03-28 | 2016-08-10 | 华北水利水电大学 | Slurry pump for building construction |
| CN108678961A (en) * | 2018-04-10 | 2018-10-19 | 陕西科技大学 | A kind of direct-connected horizontal slurry pump |
| CN108730198A (en) * | 2018-04-10 | 2018-11-02 | 陕西科技大学 | A kind of single-suction slurry pump |
| CN109139541A (en) * | 2018-09-30 | 2019-01-04 | 陕西科技大学 | It is a kind of for conveying the liquid pump of condensed water |
| CN112032057A (en) * | 2020-07-28 | 2020-12-04 | 三联泵业股份有限公司 | Centrifugal pump suitable for feeding working condition of cyclone |
| CN113982954A (en) * | 2021-10-29 | 2022-01-28 | 安徽迈宁工业泵有限公司 | Vertical long-shaft wear-resistant and corrosion-resistant slurry 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20211027 |