CN207042009U - A kind of water filter filter screen for refrigeration system - Google Patents
A kind of water filter filter screen for refrigeration system Download PDFInfo
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- CN207042009U CN207042009U CN201720125063.9U CN201720125063U CN207042009U CN 207042009 U CN207042009 U CN 207042009U CN 201720125063 U CN201720125063 U CN 201720125063U CN 207042009 U CN207042009 U CN 207042009U
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Abstract
A kind of water filter filter screen for refrigeration system, communicating pipe including the filter cylinder for filter water and for installing filter cylinder, filter cylinder is mounted on connecting in the filter screen mounting seat of tube cavity, and filter cylinder is the hollow cylinder of open at both ends, is covered with hollow cylinder for permeable through hole；The bottom of filter cylinder seals affixed with the filter screen mounting seat, the upper end edge of filter cylinder turns down into filter cylinder forms flanging, flanging is located to be shunk at the necking to be formed communicating pipe to connection tube cavity, and the upper end of the filter cylinder tilts as water inlet towards the water inlet end side of communicating pipe.The utility model design is more reasonable, more complies with flow behavior of the fluid in pipe network, resistance to water-flow greatly reduces, and current are smaller to the impulsive force of the unit area of filter screen, sturdy and durable；Under the premise of chiller heat exchanger water inflow filter filter screen long-term safety normal use is first ensured that, ensure that refrigeration machine heat-exchanger brass pipe not by water system impurity effect, has also ensured safety in production.
Description
Technical field
A kind of water filter filter screen for refrigeration system is the utility model is related to, is mainly used in refrigeration system air-conditioning master
On the filter of machine heat exchanger inlet channel.
Background technology
Cooling water, the filter stainless steel filtering net of chilled water of conventional refrigeration system air-conditioner host are mainly stainless steel plate punching
Cylindrical shape is rolled into behind hole, its splicing seams spot welding is completed.During large-scale refrigerator operation, its cooling water, chilled-water flow 800t/
H, water-carrying capacity is big, and the filter screen impact to refrigeration machine inlet channel upper filter is very big, but the situation that presently, there are is filter screen thickness
It is small to spend thin and aperture, is a weld through again, such filter screen is under such flood flow for a long time impact, it is easy to produces fatigue, finally
It is broken.Filter screen fragment is once stuck in refrigeration machine heat exchanger copper pipe, and under current scour, filter screen fragment will be anti-to copper pipe inner surface
Multiple friction, ultimately results in refrigeration machine heat-exchanger copper tracheal rupture, the critical failure for causing refrigerating device inner to be intake.
The content of the invention
For the utility model for current refrigeration system air-conditioner host under current scour, filter screen fragment will be to table in copper pipe
Face rubs repeatedly, ultimately results in refrigeration machine heat-exchanger copper tracheal rupture, cause refrigerating device inner intake critical failure the problem of, carry
It is big to have gone out a kind of sturdy and durable and water-flowing amount, small flow resistance, can ensure well refrigeration machine energy-saving safe operation be used for make
The water filter filter screen of cooling system.
The utility model is for a kind of current water filter filter screen for refrigeration system, including the filter for filter water
Cylinder and the filter communicating pipe for installing filter cylinder, the filter cylinder are mounted on connecting in the filter screen mounting seat of tube cavity,
It is characterized in that：The filter cylinder is the hollow cylinder of open at both ends, and is covered with the hollow cylinder for permeable through hole；It is described
The bottom of filter cylinder and filter screen mounting seat sealing are affixed, and the upper end edge of the filter cylinder turns down into filter cylinder forms flanging,
Wherein described flanging is located to be shunk at the necking to be formed communicating pipe to connection tube cavity, and the upper end of the filter cylinder is as water inlet
Tilted towards the water inlet end side of communicating pipe.
The aperture R of the through hole is 3-6mm；Adjacent through-holes center spacing L is 6-9mm.
The aperture R of the through hole is 4-6mm.
Adjacent through-holes center spacing L is 8-9mm.
The flanging and end face of cylinder angle, filter cylinder central shaft and communicating pipe central shaft angle are acute angle.
The flanging and end face of cylinder angle, the filter cylinder central shaft and communicating pipe central shaft angle are 45 °, and position
Part flanging at necking is parallel with communicating pipe central shaft.
The filter cylinder is the hollow cylinder surrounded by stainless-steel sheet curling, and the splicing seams of hollow cylinder side use argon
Arc-welding full weld is affixed, and the thickness of filter cylinder is 2~3mm.
The thickness of the filter cylinder is 3mm.
The utility model enters from the water that communicating pipe water inlet end enters from filter cylinder upper end, is flowed out from through hole, then from connection
The water side outflow of pipe；Cylindrical shape is rolled into using stainless steel plate, splicing seams are completed to make cylinder type filter net using argon arc welding full weld,
Filter screen thickness increase so that filter screen is sufficiently solid；The punching on the stainless steel plate, aperture increases, increases water-flowing amount, reduces
Resistance to water-flow, filter screen is reduced by water flow impact pressure.Using along water, flow direction rushes on request from inside to outside on stainless steel
Hole, then rolls into cylinder, and piece is completed using argon arc welding welding.
The utility model beneficial effect is：1st, filter screen thickness increase, so as to add filter screen intensity；
2nd, the novel filtering net punching hole diameter, the fabrication design of pitch of holes size, flowing of the water in pipe network has been complied with completely
The more former filter screen increase of characteristic, water flowing area, the more former filter screen of resistance to water-flow greatly reduce；
3rd, the splicing seams of novel filtering net are connected using argon arc welding full weld, the stainless steel filtering net is formed one firmly
It is cylindrical overall, solve former filter screen processing and use spot welding, in use crackly major defect；
4th, one end of novel filtering net in the presence of filter end cap compression, makes it with the flanging of inside 45 ° of 5mm length
Coordinate close and firm further with filter interior inclined-plane.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is cartridge structure figure of the present utility model (not band flanging).
Fig. 3 is filter cylinder expanded view of the present utility model (not band flanging).
Fig. 4 is the enlarged drawing at C in Fig. 3.
Fig. 5 is Fig. 3 top view.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings 1,2：
The utility model of embodiment 1 for a kind of current water filter filter screen for refrigeration system, including for
The filter cylinder 1 of drainage and the filter communicating pipe 2 for installing filter cylinder, the filter cylinder 1 are mounted on the filter of the inner chamber of communicating pipe 2
In net mounting seat 21, the filter cylinder 1 is the hollow cylinder of open at both ends, and is covered with the hollow cylinder for permeable through hole
11；The bottom of the filter cylinder 1 seals affixed with the filter screen mounting seat 21, and the upper end edge of the filter cylinder 1 turns down into filter cylinder
Flanging 12 is formed, is shunk wherein the flanging 12 is located at the inner chamber of communicating pipe to communicating pipe 2 at the necking 22 to be formed, the filter
The upper end of cylinder 1 tilts as water inlet towards the water inlet end side of communicating pipe 2.
The aperture of the through hole 11 is 3-6mm；The center spacing of adjacent through-holes 11 is 6-9mm.
The aperture of the through hole 11 is 4-6mm.
The center spacing of adjacent through-holes 11 is 8-9mm.
The flanging 12 and end face of cylinder angle, the central shaft of filter cylinder 1 and the central shaft angle of communicating pipe 2 are acute angle.
The flanging 12 is with end face of cylinder angle, the central shaft of the filter cylinder 1 and the central shaft angle of communicating pipe 2
45 °, the length of flanging is 5mm, and the part flanging 12 at necking 22 is parallel with the central shaft of communicating pipe 2.
The hollow cylinder that the filter cylinder 1 is surrounded by stainless-steel sheet curling, and the splicing seams 13 of hollow cylinder side use
Argon arc welding full weld is affixed, and the thickness of filter cylinder 1 is 2~3mm.
The thickness of the filter cylinder 1 is 3mm.
As shown in figure 1, simply drawing partial through holes in figure, what A sides represented is the water inlet end of communicating pipe, and what B sides represented is
The water side of communicating pipe；What arrow represented is water (flow) direction.
The utility model enters from the water that the water inlet end A of communicating pipe 2 enters from the upper end of filter cylinder 1, is flowed out from through hole 11, Ran Houcong
The water side B outflows of communicating pipe 2；Cylindrical shape is rolled into using stainless steel plate, splicing seams 13 are completed to make circle using argon arc welding full weld
Cylindricality filter screen, filter screen thickness increase so that filter screen is sufficiently solid；The punching on the stainless steel plate, aperture increases, increases water flowing
Amount, reduces resistance to water-flow, reduces filter screen by water flow impact pressure.Using on stainless steel along water flow direction from inside to outside
Punching on request, then rolls into cylinder, and piece is completed using argon arc welding welding.
Referring to Fig. 1, the utility model embodiment water filter filter screen, for the interception before machine heat exchanger water inlet of freezing and mistake
Impurities in water is filtered, to protect refrigeration machine heat exchanger copper pipe.The present embodiment is according to mistake on centrifugal refrigerating machine heat exchanger inlet channel
The filter screen size of filter, design, process, being fabricated to and more rationally, more complied with flow behavior of the fluid in pipe network, current resistance
Power greatly reduces, current are smaller to the impulsive force of the unit area of filter screen, robust novel filtering net.One uses stainless steel
Plate punching (punching is covered with whole plate), the thick stainless steel plates of the 3mm for rushing full hole are then rolled into cylinder type filter net 1, with diameter
6mm hole 2 and the punch pattern of 9mm pitchs of holes 3 are designed processing.The splicing of the stainless steel filtering net of cylinder will be rolled into
Seam is connected using argon arc welding full weld, the stainless steel filtering net is formed a firm cylinder overall.Finally by the cylinder
One end of shape filter screen is with 5mm length to 45 ° of sides 5 of infolding, and the 45 ° of inclined-planes in 45 ° of sides 5 and filter interior are fitted close during assembling,
With filter end cap by filter screen 1 and filter fits close and firm.
Operation principle：Thickness 3mm stainless steel plates are made to the filter cylinder 1 of cylinder as requested first, by filter end cap
The communicating pipe filter screen mounting seat of filter cylinder 1 and filter is compressed and installed, current enter filter to be justified by each 6mm of filter cylinder 1
Hole is to filter screen surrounding diverging flow, and by being flowed out communicating pipe after filter cylinder 1, the impurity in water is intercepted and filtered down water by filter cylinder 1.Should
The design of filter screen：6mm apertures 2,9mm pitch-rows 3,4,45 ° of surrounding inside edges 5 of argon arc welding full weld, water have also been complied with completely in pipe network
Interior flow behavior, resistance to water-flow greatly reduce, current are smaller, robust new to the impulsive force of the unit area of filter screen
Filter screen.
Make most preferably on aperture of filter screen and spacing in embodiment, i.e. through-hole aperture is 6mm, pitch of holes 9mm, steel plate
Thickness is 3mm, in actual motion (flow 800t/h)：In the case of refrigeration machine chilled water metered flow 800t/h, before improvement
Pressure difference 85KPa before and after filter screen, aperture of filter screen and spacing in embodiment are used after improvement, at similarity condition (flow 800t/h)
Lower operation, pressure difference is reduced to 34.5KPa before and after filter screen, and resistance substantially reduces before and after filter screen, is adapted to chilled water flowing, filter screen is by water
Stream impulsive force is greatly lowered.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of water filter filter screen for refrigeration system, including the filter cylinder for filter water and the mistake for installing filter cylinder
Filter communicating pipe, the filter cylinder are mounted on connecting in the filter screen mounting seat of tube cavity, it is characterised in that：The filter cylinder is two
Open hollow cylinder is held, and is covered with the hollow cylinder for permeable through hole；Pacify with the filter screen bottom of the filter cylinder
Dress seat sealing is affixed, and the upper end edge of the filter cylinder turns down into filter cylinder forms flanging, wherein the flanging is positioned at connection
Pipe is shunk at the necking to be formed to connection tube cavity, and the upper end of the filter cylinder is as water inlet towards the water inlet end side of communicating pipe
Tilt.
A kind of 2. water filter filter screen for refrigeration system as claimed in claim 1, it is characterised in that：The hole of the through hole
Footpath R is 3-6mm；Adjacent through-holes center spacing L is 6-9mm.
A kind of 3. water filter filter screen for refrigeration system as claimed in claim 2, it is characterised in that：The hole of the through hole
Footpath R is 4-6mm.
A kind of 4. water filter filter screen for refrigeration system as claimed in claim 2, it is characterised in that：Adjacent through-holes center
Spacing L is 8-9mm.
A kind of 5. water filter filter screen for refrigeration system as claimed in claim 1, it is characterised in that：The flanging with
End face of cylinder angle, filter cylinder central shaft and communicating pipe central shaft angle are acute angle.
A kind of 6. water filter filter screen for refrigeration system as claimed in claim 5, it is characterised in that：The flanging with
End face of cylinder angle, the filter cylinder central shaft and communicating pipe central shaft angle are 45 °, and the part flanging at necking
It is parallel with communicating pipe central shaft.
A kind of 7. water filter filter screen for refrigeration system as claimed in claim 1, it is characterised in that：The filter cylinder is not by
The hollow cylinder that the steel plate curling of rust steel surrounds, and the splicing seams of hollow cylinder side are affixed using argon arc welding full weld, the thickness of filter cylinder
Spend for 2~3mm.
A kind of 8. water filter filter screen for refrigeration system as claimed in claim 7, it is characterised in that：The thickness of the filter cylinder
Spend for 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125063.9U CN207042009U (en) | 2017-02-09 | 2017-02-09 | A kind of water filter filter screen for refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125063.9U CN207042009U (en) | 2017-02-09 | 2017-02-09 | A kind of water filter filter screen for refrigeration system |
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| Publication Number | Publication Date |
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| CN207042009U true CN207042009U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720125063.9U Active CN207042009U (en) | 2017-02-09 | 2017-02-09 | A kind of water filter filter screen for refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939583A (en) * | 2019-12-05 | 2020-03-31 | 绍兴市载沣智能科技有限公司 | Intelligent anti-blocking electronic type vacuum water diversion controller |
-
2017
- 2017-02-09 CN CN201720125063.9U patent/CN207042009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939583A (en) * | 2019-12-05 | 2020-03-31 | 绍兴市载沣智能科技有限公司 | Intelligent anti-blocking electronic type vacuum water diversion controller |
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