CN212309065U - Multistage filter for water chilling unit - Google Patents
Multistage filter for water chilling unit Download PDFInfo
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- CN212309065U CN212309065U CN202020787721.2U CN202020787721U CN212309065U CN 212309065 U CN212309065 U CN 212309065U CN 202020787721 U CN202020787721 U CN 202020787721U CN 212309065 U CN212309065 U CN 212309065U
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Abstract
The utility model provides a multistage filter for cooling water set, including the refrigerant entry, the refrigerant export, filter housing, anti-return mechanism, metallic debris adsorption equipment and multistage filter screen are constituteed, filter housing left side is provided with the refrigerant export, filter housing right side is provided with the refrigerant entry, the inside filter chamber that is of filter housing, the filter chamber right-hand member is provided with anti-return mechanism, the filter chamber left end is provided with multistage filter screen, the upper and lower both sides at filter chamber middle part are provided with metallic debris adsorption equipment respectively, metallic debris adsorption equipment can adsorb metallic debris in advance, can not cause the accumulational condition of metallic debris on multistage filter screen, the circulation of filter has been increased, the load of filter has been reduced, anti-return mechanism can prevent that impurity from entering into the cooling water system again from the refrigerant entry once more.
Description
Technical Field
The utility model relates to a filter field especially relates to a multistage filter for cooling water set.
Background
In the refrigeration industry, the water chiller is divided into an air-cooled water chiller and a water-cooled water chiller, and is further divided into a screw water chiller, a scroll water chiller and a centrifugal water chiller according to a compressor. The temperature control is divided into a low-temperature industrial water chiller and a normal-temperature water chiller, and the temperature of the normal-temperature unit is generally controlled within the range of 0-35 ℃. The temperature of the low-temperature unit is controlled to be about 0 to-100 ℃.
The water chilling unit comprises a compressor, a condenser, an evaporator and an expansion valve, the water chilling water chiller utilizes a shell and tube evaporator to carry out heat exchange between water and a refrigerant, a refrigerant system absorbs heat load in water to cool the water to generate chilled water, heat is brought to the shell and tube condenser through the action of the compressor, the refrigerant and the water exchange heat, and the heat is brought out of an external cooling tower through a water pipe to dissipate and dissipate after the water absorbs the heat.
The water chilling unit is required to maintain normal operation, normal use of a refrigerant is required to be guaranteed, the refrigerant cannot be completely unaffected in a circulating system of the water chilling unit, more and more metal chips and other various impurities are contained in the refrigerant in the normal circulating operation process, and if the impurities are not removed, parts such as a compressor and the like are damaged to affect operation of the water chilling unit, so that a filter is necessary to be installed on the water chilling unit.
The filter of current water chilling unit comprises filter screen and the casing that the multilayer fineness is different, but the metallic debris quantity in the water chilling unit refrigerant is more, after water chilling unit filter live time is longer, can lead to the metallic debris to pile up, finally block up the filter screen, the filter of current water chilling unit can not effectively get rid of metallic debris wherein, the backward flow condition appears easily in addition in the filter of current water chilling unit, the filter entry end will be refluxed to the refrigerant that contains impurity like this, lead to impurity to get into the cold water machine system again, the filter effect is poor.
Disclosure of Invention
According to the technical problem, the utility model provides a multistage filter for water chilling unit, its characterized in that includes refrigerant entry, refrigerant export, filter housing, anti-return mechanism, metal debris adsorption equipment and multistage filter screen and constitutes, the filter housing left side is provided with the refrigerant export, the filter housing right side is provided with the refrigerant entry, the filter housing is inside to be the filter chamber, the filter chamber right-hand member is provided with anti-return mechanism, the filter chamber left end is provided with multistage filter screen, the upper and lower both sides in the middle part of the filter chamber are provided with metal debris adsorption equipment respectively;
an outward expansion section is arranged at the joint of the filter shell and the refrigerant inlet;
an inward contraction section is arranged at the joint of the filter shell and the refrigerant outlet;
the anti-backflow mechanism comprises a check plate, a sliding groove and a sliding rod, the sliding groove is formed in the left side of the check plate, the sliding rod is connected to the left side of the check plate, the sliding rod is installed in the sliding groove, the sliding groove is installed on the inner wall of the filter shell through a support, the outer side of the check plate abuts against an outward expansion section, a sealing rubber ring is arranged on the outer side of the check plate, impurity blocking nets are respectively arranged on the upper side and the lower side of a center shaft of the check plate, a single-pass plate is arranged on the right side of each impurity blocking net, and the single-pass plate is installed on the check plate;
the metal debris adsorption equipment comprises deflector, magnetic force conduction shell, T type permanent magnet and clamping device, the mounting hole has been seted up respectively to the upper and lower both sides inner wall at filter chamber middle part, the magnetic force conduction shell sets up in the mounting hole and stretches into in the filter chamber, magnetic force conduction shell right side is provided with the deflector, install T type permanent magnet in the magnetic force conduction shell, threaded hole is seted up at magnetic force conduction shell top, be provided with clamping device on the filter housing of magnetic force conduction shell left and right sides, clamping device comprises slide rail and slider, the slide rail sets up on filter housing, the slider is installed on the slide rail, the threaded hole has been seted up at the slider top, the slider passes screw hole fastening connection with the magnetic force conduction shell through the bolt, be provided with the rubber gasket between slider and the magnetic force conduction shell.
The utility model has the advantages that:
1. the utility model discloses a metal debris adsorption equipment can adsorb metal debris in advance, can not cause the accumulational condition of metal debris on multistage filter, has increased the circulation of filter, has reduced the load of filter, and refrigerant and metal debris impurity flow to magnetic force conduction shell through the deflector, and on T type permanent magnet passes through magnetic force conduction shell and adsorbs metal debris to magnetic force conduction shell, follow-up impurity was intercepted by multistage filter.
2. The magnetic force transmission shell of the utility model can prevent the T-shaped permanent magnet from being corroded by immersing in a refrigerant, meanwhile, the magnetic force of the T-shaped permanent magnet can be penetrated to adsorb metal fragments on the magnetic force transmission shell, when a large amount of metal fragments are adsorbed on the magnetic force transmission shell, the water cooling unit is closed, the bolt is screwed down from the magnetic force transmission shell and the top of the slider, the slider is pushed away along the slide rails towards the left side and the right side, then the magnetic force transmission shell and the T-shaped permanent magnet are pulled out from the mounting hole of the filter shell together, the T-shaped permanent magnet is pulled out from the magnetic force transmission shell, the metal fragments on the magnetic force transmission shell lose the magnetic force and immediately fall from the upper side, then the T-shaped permanent magnet is inserted into the magnetic force transmission shell, then the magnetic force transmission shell is inserted into the mounting hole, the slider is pushed towards the inner side along the slide rails, then the magnetic force transmission shell and, the structure is convenient to mount and dismount, the cleaning of metal fragments is also extremely convenient, and the metal fragments can be cleaned only by pulling the T-shaped permanent magnet out of the magnetic transmission shell and then inserting the T-shaped permanent magnet back.
3. The utility model discloses an anti-return mechanism can prevent that impurity from entering into the cold water machine system again from the refrigerant entry again, promotes the check plate when the refrigerant enters into from the refrigerant entry and slides left along the spout, and the filter intercommunication, when taking place the backward flow, the refrigerant promotes the check plate and supports on expanding the section outward, and the refrigerant can only enter into the refrigerant entry through impurity interception net, and impurity is got off by its interception, can not enter into the cold water machine system again.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
As shown in the figure: 1-refrigerant inlet, 2-refrigerant outlet, 3-filter shell, 4-multistage filter screen, 5-filter cavity, 6-external expansion section, 7-internal contraction section, 8-check plate, 9-chute, 10-slide bar, 11-sealing rubber ring, 12-impurity interception net, 13-guide plate, 14-magnetic force transmission shell, 15-T type permanent magnet, 16-mounting hole, 17-slide rail, 18-slide block, 19-bolt, 20-rubber gasket and 21-single-pass plate.
Detailed Description
Example 1
The utility model provides a multistage filter for a water chilling unit, which is characterized by comprising a refrigerant inlet 1, a refrigerant outlet 2, a filter shell 3, an anti-backflow mechanism, a metal debris adsorption device and a multistage filter screen 4, wherein the refrigerant outlet 2 is arranged on the left side of the filter shell 3, the refrigerant inlet 1 is arranged on the right side of the filter shell 3, a filter cavity 5 is arranged in the filter shell 3, the anti-backflow mechanism is arranged on the right end of the filter cavity 5, the multistage filter screen 4 is arranged on the left end of the filter cavity 5, and the metal debris adsorption device is respectively arranged on the upper side and the lower side of the middle part of the filter cavity;
an outward expansion section 6 is arranged at the joint of the filter shell 3 and the refrigerant inlet 1;
an adduction section 7 is arranged at the joint of the filter shell 3 and the refrigerant outlet 2;
the backflow prevention mechanism comprises a check plate 8, a sliding groove 9 and a sliding rod 10, the sliding groove 9 is arranged on the left side of the check plate 8, the sliding rod 10 is connected to the left side of the check plate 8, the sliding rod 10 is installed in the sliding groove 9, the sliding groove 9 is installed on the inner wall of the filter shell 3 through a support, the outer side of the check plate 8 abuts against the outward expansion section 6, a sealing rubber ring 11 is arranged on the outer side of the check plate 8, impurity blocking nets 12 are respectively arranged on the upper side and the lower side of a center shaft of the check plate 8, a single-pass plate 21 is arranged on the right side of the impurity blocking nets 12, and the single-pass plate;
the metal debris adsorption device is composed of a guide plate 13, a magnetic transmission shell 14, a T-shaped permanent magnet 15 and a clamping device, mounting holes 16 are respectively formed in the inner walls of the upper side and the lower side of the middle of the filter cavity 5, the magnetic transmission shell 14 is arranged in the mounting holes 16 and extends into the filter cavity 5, the guide plate 13 is arranged on the right side of the magnetic transmission shell 14, the T-shaped permanent magnet 15 is arranged in the magnetic transmission shell 14, threaded holes are formed in the top of the magnetic transmission shell 14, the clamping device is arranged on the filter shell 3 on the left side and the right side of the magnetic transmission shell 14 and consists of a sliding rail 17 and a sliding block 18, the sliding rail 17 is arranged on the filter shell 3, the sliding block 18 is arranged on the sliding rail 17, threaded holes are formed in the top of the sliding block 18, the sliding block 18 and the magnetic transmission shell 14 penetrate through the threaded holes through bolts 19 to be.
Example 2
When the utility model is used, the refrigerant flows into the filter chamber 5 from the refrigerant inlet 1, the check plate 8 and the slide bar 10 are pushed to slide leftwards along the chute 9, the single-pass plate 21 is attached to the impurity interception net 12, the refrigerant fluid can not pass through the impurity interception net 12, the refrigerant fluid flows into the filter chamber 5 from between the check plate 8 and the outward expanding section 6, then the refrigerant fluid flows to the metal debris adsorption device through the guide plate 13, and then is attracted by the T-shaped permanent magnet 15 to be adsorbed on the magnetic conduction shell 14, and other impurities in the refrigerant are filtered by the multistage filter screen 4 and then flow out from the refrigerant outlet 2;
when a large amount of metal debris is adsorbed on the magnetic transmission shell 14, the water cooling unit is closed, the bolt 19 is unscrewed from the tops of the magnetic transmission shell 14 and the slide block 18, the slide block 18 is pushed away towards the left side and the right side along the slide rails 17, then the magnetic transmission shell 14 and the T-shaped permanent magnet 15 are pulled out from the mounting hole 16 of the filter shell 3 together, the T-shaped permanent magnet 15 is pulled out from the magnetic transmission shell 14, the metal debris on the magnetic transmission shell 14 loses the magnetic force and falls off from the top immediately, then the T-shaped permanent magnet 15 is inserted into the magnetic transmission shell 14, the magnetic transmission shell 14 is inserted into the mounting hole 16, the slide block 18 is pushed inwards along the slide rails 17, the rubber gasket 20 is clamped between the slide block 18 and the magnetic transmission shell 14, and then the magnetic transmission shell 14 and the slide block 18 are screwed and fastened through the threaded hole through the bolt 19, and the installation is completed.
When the filter takes place the backward flow, refrigerant fluid promotes check plate 8 and slide bar 10 and slides along spout 9 right side, and check plate 8 supports on expanding section 6 outward, and sealing rubber circle 11 supports and prevents refrigerant fluid to reserve out between check plate 8 and the expanding section 6 outward on expanding section 6 outward, and refrigerant fluid passes through impurity interception net 12 and backs up single-pass plate 21 and flows out right, does not have impurity in the refrigerant fluid of backward flow, and impurity is filtered by impurity interception net 12, can not get into in the cold water machine system again.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A multi-stage filter for a water chilling unit is characterized by comprising a refrigerant inlet, a refrigerant outlet, a filter shell, an anti-backflow mechanism, a metal debris adsorption device and multi-stage filter screens, wherein the refrigerant outlet is formed in the left side of the filter shell, the refrigerant inlet is formed in the right side of the filter shell, a filter cavity is formed in the filter shell, the anti-backflow mechanism is arranged at the right end of the filter cavity, the multi-stage filter screens are arranged at the left end of the filter cavity, and the metal debris adsorption device is respectively arranged on the upper side and the lower side of the middle part of the filter cavity;
an outward expansion section is arranged at the joint of the filter shell and the refrigerant inlet;
the anti-backflow mechanism comprises a check plate, a sliding groove and a sliding rod, the sliding groove is formed in the left side of the check plate, the sliding rod is connected to the left side of the check plate, the sliding rod is installed in the sliding groove, the outer side of the check plate abuts against the outward expansion section, impurity blocking nets are respectively arranged on the upper side and the lower side of a center shaft of the check plate, and a single-pass plate is arranged on the right side of each impurity blocking net;
the metal debris adsorption equipment comprises deflector, magnetic force conduction shell, T type permanent magnet and clamping device, the mounting hole has been seted up respectively to the upper and lower both sides inner wall at filter chamber middle part, the magnetic force conduction shell sets up in the mounting hole and stretches into in the filter chamber, magnetic force conduction shell right side is provided with the deflector, install T type permanent magnet in the magnetic force conduction shell, threaded hole is seted up at magnetic force conduction shell top, be provided with clamping device on the filter housing of magnetic force conduction shell left and right sides, clamping device comprises slide rail and slider, the slide rail sets up on filter housing, the slider is installed on the slide rail, the threaded hole has been seted up at the slider top, the slider passes screw hole fastening connection with the magnetic force conduction shell through the bolt.
2. The multistage filter for the water chilling unit according to claim 1, wherein an adduction section is provided at a connection of the filter housing and the refrigerant outlet.
3. The multistage filter for the water chilling unit according to claim 1, wherein the sliding groove is mounted on the inner wall of the filter housing through a bracket, a sealing rubber ring is arranged on the outer side of the check plate, and the single-pass plate is mounted on the check plate through a rotating shaft.
4. The multistage filter for a water chilling unit according to claim 1, wherein a rubber gasket is disposed between the slider and the magnetic force transmission case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787721.2U CN212309065U (en) | 2020-05-13 | 2020-05-13 | Multistage filter for water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787721.2U CN212309065U (en) | 2020-05-13 | 2020-05-13 | Multistage filter for water chilling unit |
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| Publication Number | Publication Date |
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| CN212309065U true CN212309065U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020787721.2U Active CN212309065U (en) | 2020-05-13 | 2020-05-13 | Multistage filter for water chilling unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178048A (en) * | 2021-07-02 | 2022-03-15 | 江苏湖润泵业科技有限公司 | Visual identification oil-passing packaging production line for vane pump |
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2020
- 2020-05-13 CN CN202020787721.2U patent/CN212309065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178048A (en) * | 2021-07-02 | 2022-03-15 | 江苏湖润泵业科技有限公司 | Visual identification oil-passing packaging production line for vane pump |
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