CN205349690U - Novel cooling chamber subassembly of water -feeding pump - Google Patents
Novel cooling chamber subassembly of water -feeding pump Download PDFInfo
- Publication number
- CN205349690U CN205349690U CN201521140074.1U CN201521140074U CN205349690U CN 205349690 U CN205349690 U CN 205349690U CN 201521140074 U CN201521140074 U CN 201521140074U CN 205349690 U CN205349690 U CN 205349690U
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- cooling chamber
- cooling
- water
- spacer
- mechanical seal
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Abstract
The utility model discloses a novel cooling chamber subassembly of water -feeding pump, including setting up the cooling chamber subassembly between mechanical seal and pump body balance cylinder, the cooling chamber subassembly includes: overlapping and establishing the sealing bushing between mechanical seal and pump body balance cylinder, sealing bushing inner chamber cavity forms air cycle cooling chamber, and sealing bushing's outer peripheral face has at least one and cools off the bleeder vent that the chamber communicates with air cycle, the cooling chamber spacer on mechanical seal is established to the cover, and the cooling chamber spacer is provided with the ring channel on being close to sealing bushing's terminal surface, and the ring channel encloses the regional water circulative cooling chamber that forms with sealing bushing's outer wall, be provided with on the cooling chamber spacer at least one with the cooling water inlet of water circulative cooling chamber intercommunication and at least one and the coolant outlet that feeds through of water circulative cooling chamber, still be provided with the sealed rivers that run through the cooling chamber spacer on the cooling chamber spacer and portal. The utility model discloses a dual cooling method that air cooling and cooling water cooling combine makes its cooling effect to mechanical seal better.
Description
Technical field
This utility model relates to pump cooling structure field, particularly to the novel cooling chamber component of a kind of feed pump.
Background technology
At present, the predominantly organic tool of sealing means that feed pump is common seals and labyrinth seal two kinds.Compare labyrinth seal, mechanical seal has many advantages, as system arrange simple, easy to operate, power loss is little, leakage rate is few, but mechanical seal have significant shortcoming be exactly service life shorter, and the key factor affecting its life-span is exactly the hot environment produced in feed pump running, therefore a kind of rationally effective cooling structure is possible not only to the life-span that prolonged mechanical seals, and is also the basic guarantee of whole feed pump safety continuous operation.Traditional feed pump cooling structure is usually made up of big end cap and seal cartridge, use sealing O to form cooling chamber to cool down, such structure is not only higher to big cover internal processing request, and also there is at a relatively high requirement in the material life-span of O sealing ring, if O is selected unreasonable, change not in time, the problems such as cooling water leakage very easily occur, affects cooling effect.And, in feed pump running, mechanical seal sealing surface due to the phase mutual friction of rotating ring with stationary ring end face, can constantly produce heat, cause that temperature raises, thus causing mechanical seal to lose efficacy, can cause the consequences such as termination of pumping time serious.
Utility model content
The purpose of this utility model be in that for tradition cooling structure exist defect, it is proposed to a kind of new simple in construction, good cooling results cooling chamber component, to solve the problems referred to above.
This utility model is solved the technical problem that to realize by the following technical solutions:
The novel cooling chamber component of a kind of feed pump, it is characterised in that including the cooling chamber component being arranged between mechanical seal and pump housing balance cylinder, described cooling chamber component includes:
Being set in the seal cartridge between described mechanical seal and described pump housing balance cylinder, described seal cartridge inner chamber hollow forms air circulating cooling chamber, and the outer peripheral face of described seal cartridge has the air-vent that at least one and described air circulating cooling chamber connects；
It is set in the cooling room spacer in described mechanical seal, described cooling room spacer is provided with cannelure on the end face of described seal cartridge, defined region forms water circulating cooling chamber to described cannelure with the outer wall of described seal cartridge, described cooling room spacer is provided with cooling water inlet that at least one and described water circulating cooling chamber connects and the coolant outlet that at least one and described water circulating cooling chamber connects, described cooling room spacer is additionally provided with the sealing water outlet aperture running through cooling room spacer.
In a preferred embodiment of the present utility model, the outer wall of described cooling room spacer, seal cartridge outer wall and the inwall of the pump housing between continue to employ the air flow channel flowed out for the heat exchange air in described air-vent.
In a preferred embodiment of the present utility model, the inner peripheral surface of described seal cartridge is axially spaced is provided with some radial channels.
Owing to have employed technical scheme as above, the beneficial effects of the utility model are in that: simple in construction, easy for installation, cool down heat insulation cavity to increase, adopt the dual-cooled mode that air cooling and cooling water-cooled but combine, make it that cooling effect of mechanical seal is better, it is ensured that the effectiveness of mechanical seal, ensured that feed pump reliably and securely runs.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described 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, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure sectional view of a kind of embodiment of this utility model.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the B direction view of Fig. 1.
Fig. 4 is the fundamental diagram of a kind of embodiment of this utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, this utility model is further elucidated below.
Referring to the novel cooling chamber component of a kind of feed pump shown in Fig. 1 to Fig. 4, including the cooling chamber component 300 being arranged between the balance cylinder 210 of mechanical seal 100 and the pump housing 200.Cooling chamber component 300 includes seal cartridge 310 and the cooling room spacer 320 that the metal material that all employing heat conductivity is good is made.
Seal cartridge 310 is set between the balance cylinder 210 of mechanical seal 100 and the pump housing 200, and seal cartridge 310 inner chamber hollow forms air circulating cooling chamber 311, and the outer peripheral face of seal cartridge 310 has at least one air-vent 312 connected with air circulating cooling chamber 311.The inner peripheral surface of the seal cartridge 310 in the present embodiment is axially spaced is provided with some radial channels 313, the moisture film formed between radial channels 313 and rotating shaft 400 is made to improve the radial rigidity of feed pump rotor, improve dynamic performance, and then be reduced to the vibration of water pump.
Cooling room spacer 320 is set in mechanical seal 100, cooling room spacer 320 is provided with cannelure on the end face of seal cartridge 310, defined region forms water circulating cooling chamber 321 to cannelure with the outer wall of seal cartridge 310, and the junction of cooling room spacer 320 and seal cartridge 310 adopts and is welded to connect.Cooling room spacer 320 is provided with at least one cooling water inlet 322 connected with water circulating cooling chamber 321 and at least one coolant outlet 323 connected with water circulating cooling chamber 321.Cooling room spacer 320 is additionally provided with the sealing water outlet aperture 324 running through cooling room spacer 320.In order to facilitate the heat exchange air of air-vent 312 to flow out, cool down and between outer wall and the inwall of the pump housing 100 of the outer wall of room spacer 320, seal cartridge 310, continue to employ the air flow channel 1 flowed out for the heat exchange air in air-vent 312.
When feed pump runs, temperature is higher, is no matter that mechanical seal 100 or the pump housing 200 are when, under hot soak condition, affecting its performance, and can cause the accidents such as termination of pumping time serious.Therefore one cooling system is set between, it will effectively reduce system temperature, protection mechanical sealing system and the pump housing.
Operation principle of the present utility model is as follows:
The sealing water inlet first passed through on the pump housing 200 injects sealing water to mechanical seal 100, mainly mechanical seal 100 is cooled down, lubricates and is taken away the medium of mechanical seal place leakage, seal water and enter cooling chamber component 300 through mechanical sealing system, flow out from sealing water outlet aperture 324；Inject cooling water by cooling water inlet 322 to cooling chamber component 300, enter water circulating cooling chamber 321, mechanical seal 100 is cooled down, from coolant outlet 323 outflow system after cooling.Owing to being high-temperature medium water in the feed pump process middle pump body side that runs up, partial heat can pass through the air-vent 312 in air circulating cooling chamber 311 take system out of, thus improving the effect of heat insulation to system.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (3)
1. the novel cooling chamber component of a feed pump, it is characterised in that including the cooling chamber component being arranged between mechanical seal and pump housing balance cylinder, described cooling chamber component includes:
Being set in the seal cartridge between described mechanical seal and described pump housing balance cylinder, described seal cartridge inner chamber hollow forms air circulating cooling chamber, and the outer peripheral face of described seal cartridge has the air-vent that at least one and described air circulating cooling chamber connects；
It is set in the cooling room spacer in described mechanical seal, described cooling room spacer is provided with cannelure on the end face of described seal cartridge, defined region forms water circulating cooling chamber to described cannelure with the outer wall of described seal cartridge, described cooling room spacer is provided with cooling water inlet that at least one and described water circulating cooling chamber connects and the coolant outlet that at least one and described water circulating cooling chamber connects, described cooling room spacer is additionally provided with the sealing water outlet aperture running through cooling room spacer.
2. the novel cooling chamber component of a kind of feed pump as claimed in claim 1, it is characterised in that the outer wall of described cooling room spacer, seal cartridge outer wall and the inwall of the pump housing between continue to employ the air flow channel flowed out for the heat exchange air in described air-vent.
3. the novel cooling chamber component of a kind of feed pump as claimed in claim 1, it is characterised in that the inner peripheral surface of described seal cartridge is axially spaced is provided with some radial channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140074.1U CN205349690U (en) | 2015-12-31 | 2015-12-31 | Novel cooling chamber subassembly of water -feeding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140074.1U CN205349690U (en) | 2015-12-31 | 2015-12-31 | Novel cooling chamber subassembly of water -feeding pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349690U true CN205349690U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521140074.1U Active CN205349690U (en) | 2015-12-31 | 2015-12-31 | Novel cooling chamber subassembly of water -feeding pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN205349690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559167A (en) * | 2017-09-01 | 2018-01-09 | 江苏江大泵业制造有限公司 | From flowing forced air cooling high-temperature pump |
-
2015
- 2015-12-31 CN CN201521140074.1U patent/CN205349690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559167A (en) * | 2017-09-01 | 2018-01-09 | 江苏江大泵业制造有限公司 | From flowing forced air cooling high-temperature pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |