CN201321989Y - High pressure resistant, wearable and corrosion resistant high temperature pump - Google Patents

High pressure resistant, wearable and corrosion resistant high temperature pump Download PDF

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Publication number
CN201321989Y
CN201321989Y CNU2008201569912U CN200820156991U CN201321989Y CN 201321989 Y CN201321989 Y CN 201321989Y CN U2008201569912 U CNU2008201569912 U CN U2008201569912U CN 200820156991 U CN200820156991 U CN 200820156991U CN 201321989 Y CN201321989 Y CN 201321989Y
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CN
China
Prior art keywords
pump
bearing
impeller
mechanical seal
pressure
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
Application number
CNU2008201569912U
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Chinese (zh)
Inventor
芦洪钟
肖功槐
卢红伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI KAIQUAN PUMP (GROUP) CO Ltd
Original Assignee
SHANGHAI KAIQUAN PUMP (GROUP) CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI KAIQUAN PUMP (GROUP) CO Ltd filed Critical SHANGHAI KAIQUAN PUMP (GROUP) CO Ltd
Priority to CNU2008201569912U priority Critical patent/CN201321989Y/en
Application granted granted Critical
Publication of CN201321989Y publication Critical patent/CN201321989Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a high pressure resistant, wearable and corrosion resistant high temperature pump. A pump body is provided with a replaceable embedded metal wearable liner. The high temperature pump solves the wear phenomenon of an impeller and the pump body. A shaft sealing mechanism comprises the impeller provided with a back blade, a pump cover provided with an annular and big cooling jacket, and a pump throttle part provided with a non-contact helical sealing structure. The mechanical seal selects containerization type high pressure balance type mechanical seal; external high pressure cooling water is used for washing in a PLAN32 manner regulated in API610 in the scheme of a washing system, so as to improve the stability of shaft seal and prolong the service life; a bearing is enlarged; the contact manner that a radial bearing is matched with a multi-row angle is adopted; the shaft is made of metal materials with low heat conductivity; a bearing box is externally cooled; and the stability of the bearing and the service life are improved by increasing the stress capacity and preventing the heat transfer.

Description

High pressure resistant wear-resisting anti-rotten high temperature pump
Technical field
The utility model relates to a kind of high pressure resistant wear-resisting anti-rotten high temperature pump, relates in particular to the axle envelope and the machine seal structure of this high pressure resistant wear-resisting anti-rotten high temperature pump middle pump body structure, pump.
Background technique
In as all kinds of chemical plant installations such as chemical fertilizer, system methyl alcohol industry gasification installation, usually existing needs pumping inlet pressure height, medium to contain solid particle, complex situations that temperature is high.
Now be applied to the centrifugal pump in such chemical plant installations, outstanding problem has impeller and pump housing wearing and tearing comparatively fast; The axle envelope of pump is difficult, the machine envelope is easily leaked and working life is short; Bearing heating, damage fast etc.This type of problem usually causes the disastershutdown of device, has a strong impact on chemical enterprise and produces normally.
Summary of the invention
The utility model technical issues that need to address have provided a kind of high pressure resistant wear-resisting anti-rotten high temperature pump, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises: the pump housing; Described pump housing inner chamber is provided with removable metal inner lining; Have also be provided with between the impeller of back blades and the pump housing, the pump cover removable before liner plate and rear lining plate; There is the impeller of back blades to be fixed on the pump shaft by impeller nut, the pump housing and pump cover link together by bolt, mechanical seal is housed on the pump cover, pump cover fixes with bearing body part again, bearing, bearing gland, disc, dustproof dish are housed on the bearing part, bearing support lower end connection bearing body leg is equipped with the adjusting bolt on it; Also comprise: the flushing machine of in described mechanical seal, also settling an external high-pressure cooling water; Also settling a spiral seal structure between impeller that back blades is arranged and the mechanical seal, on the pump shaft; On the spiral seal structure, also settle the water-cooling jacket of an external recirculated cooling water; The fore bearing of pump end adopts radial bearing, and the bearing of drive end adopts angular contact ball bearing.
Compared with prior art, the beneficial effects of the utility model are: impeller adopts wear-resistant anti-corrosion material, and the pump housing is provided with removable embedded metal wear-resisting lining, has solved impeller and pump housing wear phenomenon; Improve the stability and the working life of axle envelope; Bearing strengthens design, and adopts radial bearing to cooperate the mode of multiple row angle contacting, and axle uses weak conductive metal material, and bearing housing is carried out outer cooling, from strengthening stress-bearing capability and stoping two aspects of conducting heat to improve antiwhip and working life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of Fig. 1 axis envelope;
Fig. 3 is a mechanical seal structure schematic representation among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
By Fig. 1, Fig. 2, Fig. 3 as seen: the utility model comprises: the pump housing 1; The described pump housing 1 inner chamber is provided with removable metal inner lining 3; Have also be provided with between the impeller 2 of back blades and the pump housing 1, the pump cover 6 removable before liner plate 4 and rear lining plate 5; There is the impeller 2 of back blades to be fixed on the pump shaft 8 by impeller nut 18, the pump housing 1 and pump cover 6 link together by bolt, mechanical seal 14 is housed on the pump cover 6, pump cover 6 fixes with bearing body part 7 again, bearing 9, bearing gland 10, disc 13, dustproof dish 11 are housed on the bearing part 7, bearing support lower end connection bearing body leg 12 is equipped with the adjusting bolt on it; Also comprise: the flushing machine 15 of in described mechanical seal 14, also settling an external high-pressure cooling water; Between impeller 2 that back blades is arranged and the mechanical seal 14, also settle a spiral seal structure 16 on the pump shaft 8; On spiral seal structure 16, also settle the water-cooling jacket 19 of an external recirculated cooling water 17; The fore bearing of pump end adopts radial bearing, and the bearing of drive end adopts angular contact ball bearing." (17) " mark represents that with " 17 " be a cyclic process in the drawings.
The utility model pump housing is provided with removable embedded metal wear-resisting lining, has solved impeller and pump housing wear phenomenon; The axle sealing mechanism comprises that impeller design has back blades, pump cover design annular, big cooling jacket, the throttling partial design non-contact spiral seal structure of pump, unit loading type high pressure balanced mechanical seal is selected in mechanical seal for use, the rinse-system scheme is carried out external high-pressure cooling water flushing, the stability and the working life of improving the axle envelope according to API610 regulation PLAN32 mode; Bearing strengthens design, and adopts radial bearing to cooperate the mode of multiple row angle contacting, and axle uses weak conductive metal material, and bearing housing is carried out outer cooling.From strengthening stress-bearing capability and stoping two aspects of conducting heat to improve antiwhip and working life.
The utlity model has following characteristics:
1. pump case adopts central support structure, the alternative cooling water of connecting of its outside support;
2. pump housing inner chamber is provided with metal inner lining, and metal inner lining uses high-abrasive material, is easily damaged parts, and is replaceable after heavy wear;
3. impeller design has back blades, and pump cover adopts and strengthens the cooling jacket design;
4. design spiral seal structure stops solid particle to enter Seal cage, and uses unit loading type high pressure balanced mechanical seal, guarantees that the axle envelope is reliable;
5. rinse-system uses external high-pressure cooling water that machine end-blocking face is directly washed, and guarantees the abrasive end face cleaning, and can in time heat that end face produces be taken away that the prolongation machine seals working life;
6. the bearing of pump end adopts roller bearing, and drive end bearing adopts 3 row ball bearings, strengthens the ability to bear of axial force, and bearing housing cools off by water-cooling jacket.
Gland seal system comprises that the back blades that utilizes impeller stops the particle of pumping in the medium to enter machine sealing chamber, by the external recirculated cooling water of cooling line machine sealing chamber is cooled off indirectly, the rotation of spiral seal structure makes Seal cage and media end produce relative pressure, can stop that solid particle enters machine sealing chamber in the medium, can play pump action to the outer sparge water of machine envelope again.
Unit loading type balance type high-pressure mechanical seal is easy for installation, and its flushing machine plays flushing action by external high-pressure cooling water, prevents the double action of affected abrasive end face and the dynamic and static ring of direct cooling.
Working procedure of the present utility model is as follows:
After the installation, need guarantee that oil mass is moderate in the bearing support; With the moving rotor of tool shelf, guarantee that rotor rotation is no abnormal; Connect the water supply of cooling line and guarantee the connection of rinse-system high-pressure washing water; Point starts, and checks whether turn to correct (being seen as clockwise from drive end) of pump; Should open inlet valve before starting, guarantee to be full of in the pump housing slurries, along with liquid level in the pump constantly raises, gas is discharged from the outlet valve that is installed on the export pipeline, treats that outlet valve arranged gas, closes the outlet gate valve, the startup unit; After motor operates steadily, open the sluices again, regulate flow and lift to the range of operation that needs; During the operation of pump group, the solid particle in the medium guarantees that through the interception of back blades, spiral seal 16, flushing machine 15 it does not impact mechanical seal 14 seal faces.Water-cooling jacket 17 combines with direct cooling with the indirect cooling of passing through of external cooling water 15, guarantee that the machine sealing chamber temperature maintenance needs in the scope in machine envelope proper functioning, sparge water directly enters medium by the pump action of spiral seal and back blade, and can in time, uninterruptedly take away the heat that rubbing surface produces, reach good sealing effect.
When pumping unit is shut down, should close outlet valve earlier and cut off the electricity supply again, must make cooling water 17 and sparge water 15 continue water supply 5-10 minute after the shutdown.

Claims (1)

1. a high pressure resistant wear-resisting anti-rotten high temperature pump comprises: the pump housing (1); It is characterized in that: the described pump housing (1) inner chamber is provided with removable metal inner lining (3); Have also be provided with between the impeller (2) of back blades and the pump housing (1), the pump cover (6) removable before liner plate (4) and rear lining plate (50; There is the impeller (2) of back blades to be fixed on the pump shaft (8) by impeller nut (18), the pump housing (1) links together by bolt with pump cover (6), mechanical seal (14) is housed on the pump cover (6), pump cover (6) fixes with bearing body part (7) again, bearing (9), bearing gland (10), disc (13), dustproof dish (11) are housed on the bearing part (7), bearing support lower end connection bearing body leg (12) is equipped with the adjusting bolt on it; Also comprise: the flushing machine (15) of in described mechanical seal (14), also settling an external high-pressure cooling water; Having between impeller of back blades (2) and the mechanical seal (14), also settling a spiral seal structure (16) on the pump shaft (8); On spiral seal structure (16), also settle the water-cooling jacket (19) of an external recirculated cooling water (17); The fore bearing of pump end adopts radial bearing, and the bearing of drive end adopts angular contact ball bearing.
CNU2008201569912U 2008-12-12 2008-12-12 High pressure resistant, wearable and corrosion resistant high temperature pump Expired - Fee Related CN201321989Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201569912U CN201321989Y (en) 2008-12-12 2008-12-12 High pressure resistant, wearable and corrosion resistant high temperature pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201569912U CN201321989Y (en) 2008-12-12 2008-12-12 High pressure resistant, wearable and corrosion resistant high temperature pump

Publications (1)

Publication Number Publication Date
CN201321989Y true CN201321989Y (en) 2009-10-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201569912U Expired - Fee Related CN201321989Y (en) 2008-12-12 2008-12-12 High pressure resistant, wearable and corrosion resistant high temperature pump

Country Status (1)

Country Link
CN (1) CN201321989Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635567A (en) * 2012-03-29 2012-08-15 苏州立德泵技术研究院有限公司 Octagonal closed-type bearing bracket connected with shell
CN104329261A (en) * 2014-10-22 2015-02-04 江苏振华泵业制造有限公司 High temperature distilled water circulating pump
CN104728126A (en) * 2015-03-26 2015-06-24 江苏秋林重工股份有限公司 High-shear strengthened pump for coal water slurry
CN105782124A (en) * 2016-03-16 2016-07-20 武汉工程大学 Spiral groove heat dissipation and pressure reduction device for high-temperature centrifugal pump
CN107120316A (en) * 2017-06-30 2017-09-01 沈阳鼓风机集团核电泵业有限公司 A kind of horizontal-type high temperature pump
CN107289029A (en) * 2017-07-25 2017-10-24 江苏大学 A kind of high temperature pump bearing box with augmentation of heat transfer structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635567A (en) * 2012-03-29 2012-08-15 苏州立德泵技术研究院有限公司 Octagonal closed-type bearing bracket connected with shell
CN104329261A (en) * 2014-10-22 2015-02-04 江苏振华泵业制造有限公司 High temperature distilled water circulating pump
CN104728126A (en) * 2015-03-26 2015-06-24 江苏秋林重工股份有限公司 High-shear strengthened pump for coal water slurry
CN105782124A (en) * 2016-03-16 2016-07-20 武汉工程大学 Spiral groove heat dissipation and pressure reduction device for high-temperature centrifugal pump
CN107120316A (en) * 2017-06-30 2017-09-01 沈阳鼓风机集团核电泵业有限公司 A kind of horizontal-type high temperature pump
CN107120316B (en) * 2017-06-30 2019-05-31 沈阳鼓风机集团核电泵业有限公司 A kind of horizontal-type high temperature pump
CN107289029A (en) * 2017-07-25 2017-10-24 江苏大学 A kind of high temperature pump bearing box with augmentation of heat transfer structure

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091007

Termination date: 20111212

C17 Cessation of patent right