CN208229481U - A kind of duplex strainer - Google Patents

Abstract

The utility model discloses a kind of duplex strainers, including the two symmetrical filter devices in left and right, the top of the filter device is equipped with top cover, it is connected with each other between the top cover and filter device by wing nut and bolt, the upper center of the top cover is equipped with exhaust valve, the inside of the filter device is equipped with filter core, Residue extraction pipeline is communicated in the middle part of the lower end of the filter device, the Residue extraction pipeline is equipped with slag-discharging valve, the lateral wall corresponding surface top of two filter devices is communicated with input duct, the lateral wall corresponding surface lower part of two filter devices is communicated with liquid outlet pipe, flanged joint has liquid inlet tee joint pipeline between the opposite input duct in left and right, the liquid being discharged from a filter device can be imported into another filter device by the utility model, carrying out secondary filter ensure that filtering Effect, be utilized the filter device for leaving unused, and filtration connection is uninterrupted.

Description

A kind of duplex strainer

Technical field

The utility model relates to filter technology field, specific field is a kind of duplex strainer.

Background technique

Stainless steel filter can individually be filtered some liquid, and duplex strainer is also referred to as duplex switch filtering device It is formed in parallel by two stainless steel filters, and two filters are connected to and are carried out respectively using having wide range of applications, fit The multipurpose filter plant of Ying Xingqiang is widely applied to industries such as petrochemical industry, food and drinks, carried out to some fluid-borne objects Filter, only one filter is working two filters of duplex strainer in general, another filter then leaves unused Getting off to remain the spare filter that can be carried out continuously, and leave unused with the process for guaranteeing filtering, it will cause insufficient benefits of resource With.

Utility model content

The purpose of this utility model is to provide a kind of duplex strainers, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of duplex strainer, including left and right two The top of symmetrical filter device, the filter device is equipped with top cover, passes through butterfly between the top cover and filter device Nut and bolt are connected with each other, and the upper center of the top cover is equipped with exhaust valve, and the inside of the filter device is equipped with filtering filter Core, the lower end middle part of the filter device are communicated with Residue extraction pipeline, and the Residue extraction pipeline is equipped with slag-discharging valve, the filtering dress The lower edge set is uniformly provided with stabilizer blade, and the lateral wall corresponding surface top of two filter devices is communicated with input duct, The lateral wall corresponding surface lower part of two filter devices is communicated with liquid outlet pipe, between the opposite input duct in left and right Flanged joint has liquid inlet tee joint pipeline, and the liquid inlet tee joint pipeline is equipped with liquid inlet tee joint valve, the opposite liquid out in left and right Flanged joint has liquid outlet threeway pipeline between pipeline, and the liquid outlet threeway pipeline is equipped with liquid outlet threeway valve, the feed liquor three It is communicated with feed liquor connecting tube at left and right sides of the lower sidewall threaded a pipe, connects at left and right sides of the side wall upper part of the liquid outlet threeway pipeline It is connected with out liquid connecting tube, the left and right ends of the feed liquor connecting tube and the left and right ends of liquid connecting tube out are respectively equipped with connecting tube Valve is communicated with capstan between the feed liquor connecting tube and the out middle part of liquid connecting tube, the capstan, which is equipped with, to be added Water pump.

Preferably, between the filter device and top cover, between input duct and liquid inlet tee joint pipeline and liquid outlet pipe with Sealing ring is equipped between liquid outlet threeway pipeline.

Preferably, the upper end of the top cover is equipped with pressure gauge.

Preferably, the lateral wall of the filter device is equipped with linker.

Compared with prior art, the utility model has the beneficial effects that a kind of duplex strainer, if liquid to be filtered It measures less, without replacing to filter core during use, then can be used together two filter devices, adjust feed liquor Three-way valve is flowed liquid into two filter devices, while being filtered to liquid, and from the lower end of liquid outlet threeway pipeline Mouthful discharge, since the amount of liquid is less, without replacing to filter core in use process, two filter devices work together raising The working efficiency of device is needed to filter core if amount of liquid to be filtered is more or is continuously filtered to liquid When being replaced, then liquid to be filtered is first imported into a filter device, then filtered primary liquid is imported into In another filter device, secondary filter is carried out, ensure that the effect of filtering, while also utilizing idle filter device, When the filter core saturation in this filter device can not continue filtering, then first individually liquid is carried out using another filter device Filtering reuses this filter device progress secondary filter after having replaced filter core, ensure that device can be continuously to liquid It is filtered, the process of filtering is uninterrupted, convenient for being carried out continuously production.

Detailed description of the invention

Fig. 1 is the agent structure schematic diagram of the utility model.

In figure: 1- filter device, 2- top cover, 3- wing nut, 4- bolt, 5- exhaust valve, 6- Residue extraction pipeline, 7- residual cake valve Door, 8- stabilizer blade, 9- input duct, 10- liquid outlet pipe, 11- liquid inlet tee joint pipeline, 12- liquid inlet tee joint valve, 13- liquid outlet threeway Pipeline, 14- liquid outlet threeway valve, 15- feed liquor connecting tube, 16- go out liquid connecting tube, 17- connection tube valve, 18- capstan, 19- pressure pump, 20- pressure gauge, 21- linker.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of duplex strainer, including left and right two is mutually Symmetrical filter device 1, there are two filter device bilateral symmetry is set, according to use demand be used alone a filter device or Two are used together, and the top of the filter device is equipped with top cover 2, and top cover covers on filter device, and top cover is covered in filter device Upper end guarantee device inside airtightness, top cover, which is removed, can operate the inside of filter device, the top cover with It is connected with each other between filter device by wing nut 3 and bolt 4, wing nut is convenient for user's rotating bolt, convenient for adjusting The clamping degree of bolt, so that top cover be covered on filter device or remove top cover, the upper center of the top cover is equipped with Filtering dress can be discharged by exhaust valve in gas inside filter device by exhaust valve 5, the inner sealing when work of filter device It sets, the inside of the filter device is equipped with filter core, and filter core is filtered the liquid being added in filter device, goes Except the impurity in liquid, filterability can be deteriorated filter core in use for some time, need to open top cover to filter core into Row replacement needs to stop corresponding filter device, is communicated with deslagging in the middle part of the lower end of the filter device when replacing filter core Pipeline 6, for slagging channel for the residue in filter device to be discharged from filter device, the Residue extraction pipeline is equipped with residual cake valve Door 7, the folding of slag-discharging valve controller's Residue extraction pipeline needs to carry out then to open slag-discharging valve when deslagging, the filter device Lower edge be uniformly provided with stabilizer blade 8, stabilizer blade is used to support two filter devices, filter device is lifted away from ground, protect The lateral wall corresponding surface top of the stability of card device at runtime, two filter devices is communicated with input duct 9, to The liquid of filtering enters in filter device from input duct, and the lateral wall corresponding surface lower part of two filter devices is connected to There is liquid outlet pipe 10, liquid being filtered is discharged filter device from liquid outlet pipe in filter device, opposite described in left and right Flanged joint has liquid inlet tee joint pipeline 11 between input duct, and liquid to be filtered is added from liquid inlet tee joint pipeline, through feed liquor three It threads a pipe and is flowed into input duct, the liquid inlet tee joint pipeline is equipped with liquid inlet tee joint valve 12, the control of liquid inlet tee joint valve The folding of liquid inlet tee joint pipeline, can make liquid that can not be flowed into liquid inlet tee joint pipeline, liquid can also be made towards feed liquor three The left end threaded a pipe or right end outflow, can also be such that liquid all flows out from the left and right ends of liquid inlet tee joint pipeline, left and right is opposite The liquid outlet pipe between flanged joint have liquid outlet threeway pipeline 13, filtered liquid is flowed into out liquid three from liquid outlet pipe The left and right ends threaded a pipe finally are discharged from the lower end of liquid outlet threeway pipeline, and the liquid outlet threeway pipeline is equipped with liquid outlet threeway Valve 14, liquid outlet threeway valve control the folding of liquid outlet threeway pipeline, can make liquid that can not flow out from liquid outlet threeway pipeline, Liquid can also be made to flow into from the left end of liquid outlet threeway pipeline or right end and be discharged from lower end, liquid can also be made from liquid three out The left and right ends threaded a pipe all flow into and are discharged from lower end, be communicated at left and right sides of the lower sidewall of the liquid inlet tee joint pipeline into Liquid connecting tube 15, feed liquor connecting tube will connect at left and right sides of liquid inlet tee joint pipeline, the side wall of the liquid outlet threeway pipeline It is communicated with out liquid connecting tube 16 at left and right sides of top, liquid outlet pipe will connect at left and right sides of liquid outlet threeway pipeline, described The left and right ends of feed liquor connecting tube and the left and right ends of liquid connecting tube out are respectively equipped with connection tube valve 17, connection tube valve control The folding of person's feed liquor connecting tube processed and liquid connecting tube left and right ends out, between the feed liquor connecting tube and the out middle part of liquid connecting tube It is communicated with capstan 18, liquid can be flowed into from liquid connecting tube out to be added in pipeline and then is flowed into feed liquor connecting tube, The capstan is equipped with pressure pump 19, and pressure pump is that the liquid pressing in capstan is allowed the liquid to upstream It is dynamic.

Specifically, between the filter device and top cover, between input duct and liquid inlet tee joint pipeline and liquid outlet pipe Sealing ring is equipped between liquid outlet threeway pipeline, sealing ring guarantees the airtightness of device, avoids liquid from overflowing from junction and fills It sets.

Specifically, the upper end of the top cover is equipped with pressure gauge 20, pressure gauge is used to monitor the pressure inside filter device, The excessive use for influencing device of pressure inside avoiding device.

Specifically, the lateral wall of the filter device is equipped with linker 21, linker is convenient for user outside device The liquid level of portion's observation filter device internal liquid.

Working principle: if the amount of liquid to be filtered is less, without being replaced to filter core during use, then Two filter devices can be used together, liquid to be filtered is added to liquid inlet tee joint pipe from the upper port of liquid inlet tee joint pipeline In road, liquid inlet tee joint valve is adjusted, liquid is flowed out all from the left and right ends of liquid inlet tee joint pipeline, was flowed into from input duct It filters in device, filter device is filtered work to liquid, and liquid being filtered is flowed into liquid outlet pipe from liquid outlet pipe, adjusts Liquid outlet threeway valve is saved, filtered liquid is made all to flow into from the left and right ends of liquid outlet threeway pipeline and be discharged from lower end, due to The amount of liquid is less, and without replacing to filter core in use process, two filter devices, which work together, improves the work of device Make efficiency, if amount of liquid to be filtered is more or is continuously filtered to liquid, when needing to replace filter core, Then liquid to be filtered is first imported into a filter device, liquid to be filtered is added from the upper port of liquid inlet tee joint pipeline Enter into liquid inlet tee joint pipeline, adjust liquid inlet tee joint valve, flows out liquid towards the right end of liquid inlet tee joint pipeline, from inlet tube Road is flowed into the filter device on right side, and filter device is filtered liquid, filter device of the filtered liquid from right side On liquid outlet pipe be flowed into liquid outlet threeway pipeline, adjust liquid outlet threeway valve, allow left side of the liquid from liquid outlet pipe It is flowed into the lower end discharge in liquid outlet pipe and from liquid outlet pipe, opens the connection tube valve of upper left and bottom right, the mistake from right side The liquid flowed out in filter device can be then flowed into out in liquid connecting tube, be then flowed into capstan, and water pump pressurization is pressurized It flows up and is flowed into feed liquor connecting tube, be then flowed into the input duct of the filter device in left side, liquid is flowed into a left side The filter device of side is filtered for the second time, ensure that the effect of filtering, while also utilizing idle filter device, then liquid Body is flowed into liquid outlet threeway pipeline from the liquid outlet pipe on the filter of left side, is discharged and is filled from the lower port of liquid outlet threeway pipeline It sets, completes filtering, the filter core in the filter device on right side can not continue close to saturation to liquid in use for some time It is filtered, and liquid has been filtered in filter device of the filter core in the filter device in left side due to entering left side It crosses once, the filter core in left side still can close at this time the connection tube valve of upper left and bottom right with normal filtration, adjust feed liquor three Port valve door flows out liquid towards the left end of liquid inlet tee joint pipeline, and the filter device that left side is then used alone carried out liquid Filter, at the same unscrew right side filter device on wing nut, the top cover on right side is removed from filter device, to filter device Internal filter core is replaced, and after replacement, top cover, opening upper right is connected to tube valve with lower-left, adjusts out liquid three Liquid is discharged from the lower end being flowed on the right side of liquid outlet pipe in liquid outlet pipe and from liquid outlet pipe in port valve door, by left side The filtered primary liquid of filter device can then be flowed into the filter device on right side and carry out second and filter, when the mistake in left side When filter core in filter device can not work on, then the filter device on right side is made first to work again, then on the left of replacement Filter core in filter device, the filter device on the left of use carry out secondary filter, and so circulation is to continuously carry out liquid The process of filtering and filtering is uninterrupted.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of duplex strainer, including the two symmetrical filter devices (1) in left and right, it is characterised in that: the filtering dress The top for setting (1) is equipped with top cover (2), passes through wing nut (3) and bolt (4) phase between the top cover (2) and filter device (1) It connecting, the upper center of the top cover (2) is equipped with exhaust valve (5), and the inside of the filter device (1) is equipped with filter core, It being communicated with Residue extraction pipeline (6) in the middle part of the lower end of the filter device (1), the Residue extraction pipeline (6) is equipped with slag-discharging valve (7), The lower edge of the filter device (1) is uniformly provided with stabilizer blade (8), on the lateral wall corresponding surface of two filter devices (1) Portion is communicated with input duct (9), and the lateral wall corresponding surface lower part of two filter devices (1) is communicated with liquid outlet pipe (10), there is liquid inlet tee joint pipeline (11) flanged joint between the opposite input duct (9) in left and right, the liquid inlet tee joint pipeline (11) liquid inlet tee joint valve (12) are equipped with, flanged joint has liquid outlet threeway pipe between the opposite liquid outlet pipe (10) in left and right Road (13), the liquid outlet threeway pipeline (13) are equipped with liquid outlet threeway valve (14), the side wall of the liquid inlet tee joint pipeline (11) It is communicated with feed liquor connecting tube (15) at left and right sides of lower part, is communicated at left and right sides of the side wall upper part of the liquid outlet threeway pipeline (13) Liquid connecting tube (16) out, the left and right ends of the feed liquor connecting tube (15) and the left and right ends of liquid connecting tube (16) out are set respectively Have connection tube valve (17), is communicated with capstan between the feed liquor connecting tube (15) and the out middle part of liquid connecting tube (16) (18), the capstan (18) is equipped with pressure pump (19).

2. a kind of duplex strainer according to claim 1, it is characterised in that: the filter device (1) and top cover (2) it Between, be all provided between liquid outlet pipe (10) and liquid outlet threeway pipeline (13) between input duct (9) and liquid inlet tee joint pipeline (11) There is sealing ring.

3. a kind of duplex strainer according to claim 1, it is characterised in that: the upper end of the top cover (2) is equipped with pressure Table (20).

4. a kind of duplex strainer according to claim 1, it is characterised in that: the lateral wall of the filter device (1) is set There are linker (21).