Disclosure of Invention
According to the technical problems, the invention provides a composite filter element capable of quickly replacing an inner core and an outer core and different filtering precisions, which is characterized by comprising N combined filter elements, wherein the N combined filter elements are connected, and N is more than or equal to 1;
the combined filter element comprises an upper end cover, an outer core and an inner core, wherein the inner core is arranged inside the outer core, and the upper end cover is arranged on the upper side of the outer core;
the outer core comprises an outer core upper cover, an outer core body and an outer core bottom cover, wherein the outer core upper cover is installed on the upper side of the outer core body, the lower side of the outer core body is inserted into the outer core bottom cover, the outer core upper cover is of a disc-mounted structure with a central hole, an upper cover buckle and an outer core adhesive spigot are arranged on the outer core upper cover, the outer core upper cover buckle is of a flat Z-shaped structure, the bottom of the Z-shaped buckle of the outer core upper cover is used for being attached to the upper part of a flange of the upper cover and used for locking the inner core, and the outer core upper cover is provided with a spigot for attaching the outer core;
the upper end cover is provided with a groove, a sealing ring is arranged in the groove, the excircle of the spigot of the central opening of the upper end cover is locked with the inner cavity of the inner core upper cover, and the inner core upper cover is of a stepped structure;
the inner core comprises inner core upper cover, inner core body, filtration, sealing washer, the seal groove has been seted up to inner core body upside, the sealing washer is equipped with to the seal groove endotheca, inner core body upside is installed interior
The inner core comprises an upper core cover, a filtering structure is arranged inside the inner core body, and a grid bottom plate is arranged at the bottom of the inner core.
The outer core body is of a columnar structure, one end of the outer core body is adhered to the outer core upper cover, and the other end of the outer core body is adhered to the outer core bottom cover.
The outer core is: a wire-wound filter element, a melt-blown filter element, or a pleated filter element.
The filtering structure is a filtering structure filled with bulk filtering materials.
Paste carbon-point filtration, paste carbon-point filtration's carbon-point one end and inner core upper cover installation, installation at the bottom of the other end and the carbon-point, the water through outer core gets into through the carbon-point and pastes carbon-point filtration, gets rid of the filter core from the upper end cover.
One combined filter element can be used as a first-stage filter element, two combined filter element combinations can be used as a second-stage filter element, three combined filter elements can be used as third-stage filter elements, and a plurality of combined filter elements are connected into a multi-stage filter element.
The invention has the beneficial effects that: the invention improves the prior structure, combines filter materials with various filtering performances to form various composite filter elements, and can carry out various matching to remove harmful substances in water. The filter element is a composite filter element and is divided into an outer core and an inner core, wherein the outer core is used for intercepting solid particles, and the inner core is used for adsorbing residual chlorine, reducing water hardness, removing heavy metals and adsorbing iron and manganese ions. The outer core of the invention is: wire-wound filter element, melt-blown filter element and folding filter element. The proper type of the outer core can be selected according to different water qualities. The outer core has the main function of intercepting solid particles. The application provides and has reduced filter core use quantity, and economic cost is low, and the installation and the change degree of difficulty are low. The filter material can be changed to the filtration of this application, and economic cost is low.
Detailed Description
The invention is further illustrated with reference to the accompanying drawings:
example 1
The invention provides a composite filter element capable of quickly replacing an inner core and an outer core with different filter precisions, which is characterized by comprising an upper end cover, the outer core and the inner core, wherein the inner core is arranged in the outer core, and the upper end cover is arranged on the upper side of the outer core; the outer core comprises an outer core upper cover, an outer core body and an outer core bottom cover, wherein the outer core upper cover is installed on the upper side of the outer core body, the lower side of the outer core body is inserted into the outer core bottom cover, the outer core upper cover is of a disc-mounted structure with a central hole, an upper cover buckle and an outer core adhesive spigot are arranged on the outer core upper cover, the outer core upper cover buckle is of a flat Z-shaped structure, the bottom of the Z-shaped buckle of the outer core upper cover is used for being attached to the upper part of a flange of the upper cover and used for locking the inner core, and the outer core upper cover is provided with a spigot for attaching the outer core; the upper end cover is provided with a groove, a sealing ring is arranged in the groove, the excircle of the spigot of the central opening of the upper end cover is locked with the inner cavity of the inner core upper cover, and the inner core upper cover is of a stepped structure; the inner core comprises inner core upper cover, inner core body, filtration, sealing washer, the seal groove has been seted up to inner core body upside, the sealing washer is equipped with to the seal groove endotheca, the inner core upper cover is installed to inner core body upside, inner core body internally mounted has filtration, the grid bottom plate is installed to the inner core bottom. The outer core body is of a columnar structure, one end of the outer core body is adhered to the outer core upper cover, and the other end of the outer core body is adhered to the outer core bottom cover. The outer core is: a wire-wound filter element, a melt-blown filter element, or a pleated filter element. The filtering structure is a filtering structure filled with bulk filtering materials. Paste carbon-point filtration, paste carbon-point filtration's carbon-point one end and inner core upper cover installation, installation at the bottom of the other end and the carbon-point, the water through outer core gets into through the carbon-point and pastes carbon-point filtration, gets rid of the filter core from the upper end cover.
One combined filter element can be used as a first-stage filter element, two combined filter element combinations can be used as a second-stage filter element, three combined filter elements can be used as third-stage filter elements, and a plurality of combined filter elements are connected into a multi-stage filter element.
The filter element is limited according to three conditions to facilitate the description of the application, the filter materials with various filtering performances are combined to form various composite filter elements, and various combinations can be carried out to remove harmful substances in water, but the invention is not limited to the following combinations.
Example 2
When the filter element is used as a filter element for removing solid particles and ferro-manganese:
a folding filter element is adopted as an outer core, and a ferrimanganic resin composite filter element is adopted as an inner core, so that smaller solid particles and ferrimanganic ions in water are intercepted.
The melt-blown filter element is adopted as an outer core, the iron-manganese-removing resin composite filter element is adopted as an inner core, and common solid particles and iron-manganese ions in water are intercepted.
The wire-wound filter element is used as an outer core, the iron and manganese removing resin composite filter element is used as an inner core, and large solid particles and iron and manganese ions in water are intercepted.
Example 3
When this application is used as getting rid of solid particle thing, chlorine residue, heavy metal composite filter core:
the foldable filter element is adopted as an outer core, the carbon rod composite filter element is adopted as an inner core, and small solid particles, residual chlorine and heavy metals in water are intercepted and removed.
The melt-blown filter element is adopted as an outer core, the carbon rod composite filter element is adopted as an inner core, and general solid particles, residual chlorine and heavy metals in water are intercepted.
Adopt the wire-wound filter core as outer core, carbon-point composite filter core is the inner core, intercepts great solid particle thing, chlorine residue, heavy metal in the aquatic.
Example 4
When the filter element is used as a water softening resin composite filter element for removing solid particles:
the foldable filter element is adopted as an outer core, the soft water resin is adopted as an inner core, and ions which are mixed with small solid particles in water and replace the water to form scale are intercepted.
The melt-blown filter element is used as an outer core, the soft water resin is used as an inner core, and the ions of water scales formed by replacing water with common solid particles in water are intercepted.
Adopt the wire-wound filter core as outer core, soft water resin is the inner core, intercepts the ion that great solid particle thing replacement aquatic formed the incrustation scale in the aquatic.
The filter elements of the embodiments 2, 3 and 4 can be used in a single stage according to the local water quality, and can also be freely matched to meet the requirements of filtering water quality in different regions, but are not limited to the combination described below.
Example 5
When the filter element in the embodiment 2 is used independently, the filter element can be used as a first-stage filter element for removing solid particles and a ferro-manganese composite filter element;
when the filter element in the embodiment 3 is used independently, the filter element can be used as a first-stage filter element for removing solid particles, residual chlorine and heavy metals;
when the filter element in the embodiment 4 is used independently, the filter element can be used as a first-stage filter element for removing solid particles and softening water resin.
When the combined filter element is composed of the filter elements in the embodiment 2 and the embodiment 3, the combined filter element is used as a secondary filter element to realize secondary filtration, and the first group intercepts medium solid particles and iron and manganese ions. The second group intercepts solid particles, residual chlorine and heavy metals.
When the combined filter element is composed of the filter elements in the embodiment 3 and the embodiment 4, the combined filter element is used as a secondary filter element to realize secondary filtration, and a second group intercepts solid particles, residual chlorine and heavy metals in the medium. The third group intercepts solid particles, residual chlorine and heavy metals.
When the combined filter element is composed of the filter elements in the embodiment 2 and the embodiment 4, the combined filter element is used as a secondary filter element to realize secondary filtration, and a group of filter elements intercept medium solid particles and iron and manganese ions. The third group intercepts solid particles, residual chlorine and heavy metals.
When three filter elements in the embodiment 2, the embodiment 3 and the embodiment 4 form a combined filter element, as a three-stage filter element,
and realizing stage filtration. The first group intercepts solid particles and iron and manganese ions. The second group intercepts solid particles, residual chlorine and heavy metals. The third group intercepts solid particles, residual chlorine and heavy metals.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the invention has been described with respect to the above embodiments, it will be understood by those skilled in the art that the invention is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.