CN203892265U - Evaporative crystallization circulating pump - Google Patents
Evaporative crystallization circulating pump Download PDFInfo
- Publication number
- CN203892265U CN203892265U CN201420273454.1U CN201420273454U CN203892265U CN 203892265 U CN203892265 U CN 203892265U CN 201420273454 U CN201420273454 U CN 201420273454U CN 203892265 U CN203892265 U CN 203892265U
- Authority
- CN
- China
- Prior art keywords
- evaporative crystallization
- shaft seal
- axle
- pump housing
- recycle pump
- 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 - Fee Related
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Abstract
The utility model discloses an evaporative crystallization circulating pump which comprises a coupling, a bearing support, a bearing block, a shaft, a shaft seal box, a pump body and an impeller. The shaft seal box is positioned on the left side of the pump body, is fixedly connected with the pump body and is filled with packing, the shaft is fixedly supported by the bearing block, the coupling is connected to one end of the shaft, the other end of the shaft penetrates the shaft seal box to be suspended in the pump body, the impeller is fixed onto a suspension arm end of the shaft, the shaft seal box further comprises a packing gland, a throttle ring and a shaft sleeve, the packing is positioned between the shaft seal box and the shaft sleeve, the packing gland is connected to the tail of the packing, the throttle ring is positioned in a gap between the front end of the shaft sleeve and the shaft seal box, and an annular cooling chamber is arranged on the bearing block, is provided with a water inlet and a water outlet and is connected with a cooling water device. The evaporative crystallization circulating pump has the advantages of low cost, good sealing effect, convenience in maintenance and flexibility in mounting.
Description
Technical field
The utility model relates to recycle pump field, relates in particular to a kind of evaporative crystallization recycle pump.
Background technique
Evaporative crystallization is the method separating for material purification conventional in chemical field, and evaporative crystallization recycle pump is one of key equipment during evaporative crystallization is processed.But there is following problem in existing evaporative crystallization recycle pump: after (1) shaft seal, be with sub-propeller, or after shaft seal, be with maze type restrictor ring, or both all have, this belt transect sub-propeller will slattern energy, the medium containing particle with sub-propeller can not make seal failure to Seal cage wearing and tearing again, causes leakage; (2) in industry, Gland is all an entirety conventionally, when dismounting filler, Gland is retreated, but be limited to limited space, dismounting is very inconvenient, the medium simultaneously leaking can rotate with the axis, thereby splash everywhere, befouling environment, and Korrosionsmedium can cause the pump housing to damage; (3) water jacket is all generally a plane in shaft seal case, and area of contact is limited like this, and often bearing cooling effect is not good, has reduced bearing working life, has shortened the repair cycle, has increased operating cost; (4) evaporative crystallization operation, some is limited by process environments, and inconvenience is arranged on basis, hang installation, it is upper that some needs to be again arranged on basis, and existing evaporative crystallization recycle pump or be suspension type, be fixed, can not both take into account, this puts to no little inconvenience to user; (5) bearing generally adopts stainless steel to meet the technological requirement of anticorrosion antiwear, but all steel axle poor rigidity is flexible, and damage in impeller is accelerated like this, and noise and vibration is larger, and all steel bearing cost is high simultaneously.
Model utility content
The purpose of this utility model is the defect that overcomes prior art, provides that a kind of cost is low, good sealing effect, evaporative crystallization recycle pump easy to maintenance, flexible for installation.
The technical solution adopted in the utility model is: a kind of evaporative crystallization recycle pump, comprise coupling, bearing bracket, bearing support, axle, shaft seal case, the pump housing and impeller, described shaft seal case is positioned at described pump housing left side and is fixedly connected with the described pump housing, filler is housed in it, described axle is supported fixing by described bearing support, end is connected with described coupling, the other end is suspended from the described pump housing through described shaft seal case, described impeller is fixed on the cantilever end of described axle, described shaft seal case also comprises Gland, restrictor ring, axle sleeve, described filler is between described shaft seal case and axle sleeve, afterbody connects described Gland, described restrictor ring is positioned at the gap of described axle sleeve front end and described shaft seal case, described bearing support is provided with annular cooling chamber, described annular cooling chamber is provided with water intake and water outlet, and be connected with chilled water unit.
Further, described annular cooling chamber is formed by carbon steel welding.
Further, described Gland is split type structure, comprises upper press cover and lower cover.
Further, described Gland below has liquid outlet opening.
Further, described Gland under be provided with a catch tray.
Further, described restrictor ring inner side has one-way spiral groove.
Further, described axle is formed by No. 45 carbon steel front axles and the butt welding of stainless steel rear axle, and described front axle is positioned at described bearing support, and described rear axle is suspended from the described pump housing.
Further, on described bearing support, be also provided with two hangers.
Further, described pump housing below also has pump housing support, and below, described bearing support left side is provided with bearing bracket.
Further, the described pump housing adopts stainless steel integrated casting to form, and described bearing support adopts carbon steel to be welded to form.
The beneficial effects of the utility model are:
1) annular cooling chamber area of contact is larger, and effectively fast reducing bearing temperature has extended bearing working life, has extended the repair cycle, has saved operating cost;
2) recycle pump is cancelled sub-propeller, adopts one-way spiral sealing, during along gap seepage, because medium transfer is gone back to pump inside by spiral fluted screw action, has reduced the wearing and tearing of medium to sealing containing the medium of crystalline particle, and sealing reliability is strong, and has reduced work energy consumption;
3) Gland adopts split type structure, can directly split into two-part and take off, and after filler dismounting is complete, installs again, and dismounting filler is very convenient;
4) liquid outlet opening is opened in Gland below, and the orientable catch tray that flow to of leaking medium, has reduced the pollution to environment and the corrosion failure to bearing support;
5) be provided with hanger or support, can require to process neatly to hang to install or fixed installation problem according to site technique;
6) No. 45 steel and stainless steel butt welding axle had both met requirement of strength, had met again rigidity and anticorrosive anti-wear requirement, had reduced the wearing and tearing of impeller and the pump housing, had reduced noise and vibration;
7) pump housing adopts stainless steel integrated casting, and bearing support adopts carbon steel welding, ensures dimensional stability and the corrosion resistance requirement of recycle pump.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Gland schematic diagram in Fig. 1.
Fig. 3 is the partial schematic diagram at A place in Fig. 1.
Fig. 4 is the partial schematic diagram at B place in Fig. 1.
Embodiment
In order to make the advantage of the purpose of this utility model and technological scheme clearer, below in conjunction with accompanying drawing and example, the utility model is further elaborated.
A kind of evaporative crystallization recycle pump as shown in Figure 1, comprises coupling 1, bearing bracket 2, bearing support 4, axle 5, shaft seal case 8, the pump housing 11 and impeller 12.The described pump housing 11 adopts stainless steel integrated casting to form, and described bearing support 4 adopts carbon steel to be welded to form, and ensures that the good rigidity of recycle pump meets the requirement of anticorrosive property simultaneously.Described shaft seal case 8 is positioned at the described pump housing 11 left sides and is fixedly connected with the described pump housing 11, filler 7 is housed in it, described axle 5 support fixing by described bearing support 4, end is connected with described coupling 1, the other end is suspended from the described pump housing 11 through described shaft seal case 8, described impeller 12 is fixed on the cantilever end of described axle 5, described shaft seal case 8 also comprises Gland 6, restrictor ring 9, axle sleeve 14, described filler 7 is between described shaft seal case 8 and axle sleeve 14, afterbody connects described Gland 6, described restrictor ring 9 is positioned at the gap of described axle sleeve 14 front ends and described shaft seal case 8, described bearing support 4 is provided with annular cooling chamber 15, described annular cooling chamber 15 is provided with water intake and water outlet, and be connected with chilled water unit.Described annular cooling chamber 15 is formed by carbon steel welding, and annular cooling chamber area of contact is large, and effectively fast reducing bearing temperature has extended bearing working life, has extended the repair cycle, has saved operating cost.Under described Gland 6, be provided with a catch tray 13, the medium of leakage can come together in catch tray 13, has reduced the pollution to environment and the corrosion failure to bearing.On described bearing support 4, be also provided with two hangers 3, the described pump housing 11 belows also have pump housing support 10, and described bearing support 4 belows, left side are provided with bearing bracket 2, can require to adopt suspension type or fixed installation according to site technique, convenient, flexible.
Described Gland 6 is as shown in Figure 2 split type structure, comprises upper press cover 61 and lower cover 62.Described upper press cover 61 and lower cover 62 surfaces have mounting hole, for fixing Gland 6.On described upper press cover 61 and lower cover 62, be also provided with attachment hole, for upper press cover 51 and lower cover 62 are connected into an entirety.Described Gland 6 belows are to have liquid outlet opening 63 on described lower cover 62.Owing to adopting split type structure, when dismounting filler, can be in the confined space, connecting bolt unloads, and dismounting is very convenient, and the medium simultaneously leaking can be discharged with liquid outlet opening 63, come together in catch tray 13, prevent that the medium of revealing from rotating with the axis and splashing everywhere, befouling environment, and Korrosionsmedium can cause the pump housing to damage
As shown in Figure 3, described restrictor ring 9 inner sides have one-way spiral groove, and the liquid leaking when work is full of the space that screw thread and axle sleeve 14 comprise, and form on " liquid nut ".On restrictor ring 9 screw thread catch up with oily direction need with oily leakage opposite direction, make " liquid nut " produce axial motion in the time that axle rotates, impel liquid constantly to return in the pump housing 11, play good seal action, protected shaft seal case 8 can Mediawear corrosion.
Described axle 5 is as shown in Figure 4 formed by No. 45 carbon steel front axles 51 and 52 butt welding of stainless steel rear axle, and described front axle 51 is positioned at described bearing support 4, and described rear axle 52 is suspended from the described pump housing 11.Rear axle 52 adopts stainless steel to meet the technological requirement of anticorrosion antiwear, and front axle 51 adopts No. 45 carbon steels to meet dimensionally stable, indeformable technological requirement, and overall cost cost is low, and recycle pump noise is little, and impeller 12 has longer working life.
Working method of the present utility model is, the coupling of recycle pump is connected with machine shaft, adopt suspension installation or basic hard-wired mounting type by recycle pump fixation, recycle pump liquid entering hole and liquid outlet are by pipeline and other equipment connections of other evaporated crystallization devices, check that each connection part is reliable, can normally work.The utility model adopts one-way spiral sealing, improves sealing effect, reduces wearing and tearing and the corrosion of medium to shaft seal case; Design annular cooling chamber, increases cooling area of contact, and the effectively temperature of fast reducing bearing extends bearing working life, has extended the repair cycle, has saved operating cost; Adopt the Gland of split type, change filler simple and fast; Design liquid outlet opening and catch tray, prevent the pollution of medium to environment and the corrosion to bearing support revealed; Install flexible for installationly, adapt to the requirement of various site technique conditions; No. 45 steel of bearing employing and stainless steel butt welding form, and have ensured dimensional stability and the decay resistance of bearing, reduce noise in running, extend the working life of impeller; The stainless steel integrated casting of the pump housing, bearing support carbon steel welding fabrication, ensures the dimensionally stable of recycle pump and the requirement of corrosion resistance.
Claims (10)
1. an evaporative crystallization recycle pump, comprise coupling (1), bearing bracket (2), bearing support (4), axle (5), shaft seal case (8), the pump housing (11) and impeller (12), described shaft seal case (8) is positioned at the described pump housing (11) left side and is fixedly connected with the described pump housing (11), filler (7) is housed in it, described axle (5) is supported fixing by described bearing support (4), end is connected with described coupling (1), the other end is suspended from the described pump housing (11) through described shaft seal case (8), described impeller (12) is fixed on the cantilever end of described axle (5), described shaft seal case (8) also comprises Gland (6), restrictor ring (9), axle sleeve (14), described filler (7) is positioned between described shaft seal case (8) and axle sleeve (14), afterbody connects described Gland (6), described restrictor ring (9) is positioned at the gap of described axle sleeve (14) front end and described shaft seal case (8), it is characterized in that: described bearing support (4) is provided with annular cooling chamber (15), described annular cooling chamber (15) is provided with water intake and water outlet, and be connected with chilled water unit.
2. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: described annular cooling chamber (15) is formed by carbon steel welding.
3. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: described Gland (6) is split type structure, comprises upper press cover (61) and lower cover (62).
4. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: described Gland (6) below has liquid outlet opening (63).
5. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: under described Gland (6), be provided with a catch tray (13).
6. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: described restrictor ring (9) inner side has one-way spiral groove.
7. a kind of evaporative crystallization recycle pump according to claim 1, it is characterized in that: described axle (5) is formed by No. 45 carbon steel front axles (51) and stainless steel rear axle (52) butt welding, described front axle (51) is positioned at described bearing support (4), and described rear axle (52) is suspended from the described pump housing (11).
8. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: on described bearing support (4), be also provided with two hangers (3).
9. a kind of evaporative crystallization recycle pump according to claim 1 is characterized in that: the described pump housing (11) below also has pump housing support (10), and below, described bearing support (4) left side is provided with bearing bracket (2).
10. a kind of evaporative crystallization recycle pump according to claim 1, is characterized in that: the described pump housing (11) adopts stainless steel integrated casting to form, and described bearing support (4) adopts carbon steel to be welded to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273454.1U CN203892265U (en) | 2014-05-27 | 2014-05-27 | Evaporative crystallization circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273454.1U CN203892265U (en) | 2014-05-27 | 2014-05-27 | Evaporative crystallization circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892265U true CN203892265U (en) | 2014-10-22 |
Family
ID=51718676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420273454.1U Expired - Fee Related CN203892265U (en) | 2014-05-27 | 2014-05-27 | Evaporative crystallization circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971894A (en) * | 2016-07-11 | 2016-09-28 | 川源(中国)机械有限公司 | Water pump damping structure |
| CN105971923A (en) * | 2016-07-11 | 2016-09-28 | 川源(中国)机械有限公司 | Direct-connected water pump |
| CN105971930A (en) * | 2016-07-11 | 2016-09-28 | 川源(中国)机械有限公司 | Centrifugal pump capable of improving flow capacity |
-
2014
- 2014-05-27 CN CN201420273454.1U patent/CN203892265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971894A (en) * | 2016-07-11 | 2016-09-28 | 川源(中国)机械有限公司 | Water pump damping structure |
| CN105971923A (en) * | 2016-07-11 | 2016-09-28 | 川源(中国)机械有限公司 | Direct-connected water pump |
| CN105971930A (en) * | 2016-07-11 | 2016-09-28 | 川源(中国)机械有限公司 | Centrifugal pump capable of improving flow capacity |
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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: 20141022 Termination date: 20160527 |