CN219879209U - Bury formula sewage treatment device - Google Patents

Abstract

The utility model provides buried sewage treatment equipment, which relates to the technical field of sewage treatment and comprises a shell, a filtering component, a purifying component and a baffle plate; a water inlet and a water outlet are formed on the shell; the filter assembly and the purification assembly are arranged in the accommodating cavity at intervals, the accommodating cavity is divided into a filter cavity, a purification cavity and a tail water cavity which are sequentially arranged, the water inlet is communicated with the filter cavity, and the water outlet is communicated with the tail water cavity; the filter assembly comprises at least two filter plates which are arranged in parallel, and the purification assembly comprises at least two purification plates which are arranged in parallel; the baffle is used for blocking the flow channel after a certain filter plate is taken out or the flow channel after a certain purification plate is taken out. According to the utility model, in the process of replacing the filter plate and the purification plate, sewage passes through the other filter plate or purification plate, so that the filter plate or the purification plate can be replaced or maintained conveniently, and the continuous treatment of the sewage can be ensured in the process of replacing or maintaining, thereby being beneficial to improving the sewage treatment efficiency.

Description

Bury formula sewage treatment device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to buried sewage treatment equipment.

Background

The underground sewage treatment equipment has various advantages, such as first, the equipment can be integrally buried under the ground, and the landscape and equipment arrangement on the ground are not affected; secondly, the occupied area can be reduced, and the operation noise is small; thirdly, the related operation is simple, and the related operation can be adaptively adjusted according to the actual arrangement topography. As a result, more and more users choose to pre-treat sewage using buried sewage treatment facilities to reduce the treatment burden of subsequent sewage treatment facilities (or facilities).

However, since the buried sewage treatment apparatus is generally buried underground, when the filter plate (or the purification plate) needs to be replaced or maintained, it is necessary to first shut off the water inlet pipe of the buried sewage treatment apparatus, then open the housing of the buried sewage treatment apparatus, and then perform the replacement or maintenance operation of the filter plate (or the purification plate) disposed in the housing. Not only is the operation process very inconvenient, but also when the filter plate (or the purification plate) is replaced or maintained, water inflow is required to be cut off, the continuous treatment of sewage is affected, and the sewage treatment efficiency is reduced.

The applicant has retrieved the following prior art by retrieving "(underground) and sewage treatment and (equipment or apparatus or system) and (replacement or maintenance):

prior art 1, publication no: CN108128979a (an underground sewage treatment device) is a chinese patent document, in which each tank body is set to be an independent body so as to be detached from the tank body, and although the tank body is beneficial to realizing simpler replacement or maintenance, the tank body still needs to shut off water inlet during replacement or maintenance, and also affects the continuous treatment of sewage, so that the sewage treatment efficiency is reduced.

Prior art 2, publication no: CN213416408U (an integrated equipment for treating sewage buried in the ground) is a chinese patent document, which is separated from a tank body by an integrated device for treating sewage, and the integrated device for treating sewage is taken out by a motor, a screw, a sprocket, a chain, etc. which are provided, although it is advantageous to realize more simple replacement or maintenance, it still needs to shut off water inlet during replacement or maintenance, and also affects the continuous treatment of sewage, so that the sewage treatment efficiency is reduced.

Disclosure of Invention

In order to solve the technical problems in the related art, the utility model provides buried sewage treatment equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an underground sewage treatment device comprises a shell, a filtering component, a purifying component and a baffle plate; a containing cavity is formed in the shell, and a water inlet and a water outlet which are communicated with the containing cavity are formed in the shell; the filter assembly and the purification assembly are arranged in the accommodating cavity at intervals, the accommodating cavity is divided into a filter cavity, a purification cavity and a tail water cavity which are sequentially arranged by the filter assembly and the purification assembly, the water inlet is communicated with the filter cavity, and the water outlet is communicated with the tail water cavity; the filter assembly comprises at least two filter plates which are arranged in parallel, and the purification assembly comprises at least two purification plates which are arranged in parallel; the baffle is used for blocking a flow channel after the filter plate is taken out or a flow channel after the purification plate is taken out.

Optionally, the buried sewage treatment apparatus further comprises two mounting assemblies, and the two mounting assemblies are respectively used for mounting the filtering assembly and the purifying assembly;

the filter assembly comprises two filter plates which are arranged in parallel, and the purification assembly comprises two purification plates which are arranged in parallel;

the installation component includes first erection column, second erection column, third erection column and fourth erection column, first erection column the second erection column with the third erection column is mutual to be spaced the setting and all extends along vertical direction, the fourth erection column extends along the horizontal direction, first erection column the second erection column with the one end of third erection column respectively with the fourth erection column is connected, first erection column the second erection column with the fourth erection column encloses jointly and closes the mounting groove that two intervals set up, two be close to in the mounting groove one of water inlet is used for supplying the filter or the purification board is pegged graft, two be close to in the mounting groove one of delivery port is used for supplying the baffle is pegged graft.

Optionally, the side surface of the fourth mounting post, which is close to the water inlet, is formed into a first inclined surface, a first edge of the first inclined surface is connected with an inner bottom wall of the shell, a second edge of the inclined surface is connected with the top surface of the fourth mounting post, and the height of the first edge is smaller than that of the second edge.

Optionally, the bottom surface of the filter plate and/or the purification plate is formed as a second inclined surface;

the second inclined surface is opposite to the first inclined surface in inclination direction, the third edge of the second inclined surface is used for propping against the top surface of the fourth mounting column, the fourth edge of the second inclined surface is connected with the side surface of the filter plate or the purification plate, and the height of the third edge is smaller than that of the fourth edge.

Optionally, the shell comprises a cover body and a box body, and the cover body and the box body are mutually buckled to form the accommodating cavity.

Optionally, through holes for the filter plate, the purification plate and the baffle plate to pass through are respectively formed in the cover body, and at least part of the filter plate and at least part of the purification plate protrude out of the cover body;

the buried sewage treatment equipment further comprises a pressing component, wherein the pressing component is arranged at the top of the shell and used for pressing the filter plate and/or the purification plate to the box body.

Optionally, the buried sewage treatment device further comprises a sealing frame and a sealing cover, wherein the sealing frame is sleeved outside the through hole, the sealing frame is connected with the top of the cover body, and the sealing cover is used for being covered outside the sealing frame, so that the sealing cover, the sealing frame and the cover body can jointly enclose a sealing cavity for sealing the through hole;

wherein the height of the top of the sealing frame is equal to the height of the top of the filter plate or the purification plate.

Optionally, the compressing assembly includes installation piece, pressure strip and locking piece, the installation piece with the locking piece set up respectively in the both sides of sealed lid, the installation piece sets up on the lid, the one end of pressure strip rotationally connect in the installation piece, the other end of pressure strip with the locking piece is connected unblockly, so that the pressure strip can with sealed lid supports the top.

Optionally, the bottom surface of the filter cavity is formed as a third inclined surface, and the height of the third inclined surface gradually decreases along the direction away from the filter assembly;

the buried sewage treatment equipment further comprises a sewage drain pipe and a U-shaped sludge collecting groove, wherein the sludge collecting groove is arranged at one end of the third inclined surface, which is far away from the filtering component, and an inlet of the sewage drain pipe is arranged in the sludge collecting groove and is used for extracting sludge in the filtering cavity.

Optionally, the purification plate comprises a frame main body, a mounting ring, an active carbon plate and two resin filter cores, wherein the frame main body is formed into an annular structure, the mounting ring is formed into an annular structure, the frame main body is sleeved outside the mounting ring, the active carbon plate is arranged in the mounting ring, and the two resin filter cores are respectively arranged at two sides of the active carbon plate;

the purification plate further comprises a first installation step and a second installation step for installing the two resin filter cores, and the first installation step and the second installation step are respectively arranged on two sides of the bottom of the frame main body.

The beneficial effects are that:

1. in one aspect, the filter assembly of the buried sewage treatment device comprises at least two parallel filter plates, when a certain filter plate needs to be replaced, the baffle plate can be inserted into the accommodating cavity and the corresponding flow channel of the filter plate is blocked, then the filter plate is taken out so as to be convenient for replacement or maintenance, and in the replacement process, sewage can flow into the purifying cavity after being filtered by another filter plate, so that the filter plate can be convenient for replacement or maintenance, and the continuous treatment of the sewage can be ensured in the replacement or maintenance process, thereby being beneficial to improving the sewage treatment efficiency; on the other hand, the purification component of the buried sewage treatment equipment comprises at least two parallel purification plates, when one purification plate needs to be replaced, a baffle plate can be inserted into a containing cavity and a flow channel corresponding to the purification plate is blocked, then the purification plate is taken out so as to be convenient for replacement or maintenance, and in the replacement process, sewage can flow into a tail water cavity after being purified by the other purification plates, so that the purification plate can be convenient for replacement or maintenance, and the continuous treatment of the sewage can be ensured in the replacement or maintenance process, thereby being beneficial to improving the sewage treatment efficiency; in still another aspect, through the buried sewage treatment device, sewage enters the accommodating cavity from the water inlet, and after passing through the filter plate and the purifying plate in sequence, the sewage with lower pollution degree can be output outwards, so that the sewage treatment burden of subsequent sewage treatment facilities on the sewage is reduced, and the sewage treatment efficiency is improved.

2. Other benefits or advantages of the utility model will be described in detail with reference to specific structures in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art. Furthermore, it should be understood that the scale of each component in the drawings in this specification is not represented by the scale of actual material selection, but is merely a schematic diagram of structures or positions, in which:

fig. 1 is a perspective view schematically illustrating a view of an underground sewage treatment apparatus according to an exemplary embodiment of the present utility model;

fig. 2 is a schematic perspective view of another view of an underground sewage treatment apparatus according to an exemplary embodiment of the present utility model;

FIG. 3 is a schematic perspective view of an apparatus for treating sewage in a buried type, according to an exemplary embodiment of the present utility model, in which a part of a tank is hidden to show the structure therein, and the apparatus for treating sewage is in the process of replacing a filter plate;

FIG. 4 is an enlarged schematic view of a partial structure at A in FIG. 3;

FIG. 5 is a schematic perspective view of an apparatus for treating sewage in a buried type, according to an exemplary embodiment of the present utility model, in which a cover is removed, and in which the apparatus for treating sewage is being replaced with a filter plate and a purification plate;

fig. 6 is a schematic perspective view of an underground sewage treatment apparatus according to an exemplary embodiment of the present utility model;

FIG. 7 is an enlarged schematic view of a partial structure at B in FIG. 6;

fig. 8 is a schematic perspective view of an underground sewage treatment apparatus according to an exemplary embodiment of the present utility model;

FIG. 9 is an enlarged schematic view of a partial structure at C in FIG. 8;

fig. 10 is a schematic perspective view of an apparatus for treating sewage in a buried type, according to an exemplary embodiment of the present utility model, in which one compressing assembly is in a decompressed state and one compressing assembly is in a compressed state;

FIG. 11 is an enlarged schematic view of a partial structure at D in FIG. 10;

FIG. 12 is an enlarged schematic view of a partial structure at E in FIG. 10;

FIG. 13 is a schematic perspective view of a mounting assembly provided in an exemplary embodiment of the present utility model;

fig. 14 to 16 are perspective views showing a purification plate according to an exemplary embodiment of the present utility model, wherein fig. 14 is a perspective view showing the purification plate when it is assembled, and fig. 15 is a perspective view showing the frame body, the mounting ring and the activated carbon plate when they are assembled, and two resin filter cartridges are separated from the frame body; FIG. 16 is a structural exploded view of the purge plate;

fig. 17 is an enlarged schematic view of a partial structure at F in fig. 16.

The reference numerals in the drawings indicate:

100-buried sewage treatment equipment; 1-a housing; 11-water inlet; 12-water outlet; 13-a filter chamber; 131-a third inclined surface; 14-a purification chamber; 15-tail water cavity; 16-cover; 161-through holes; 17-a box body; 2-a filter assembly; 21-a filter plate; 211-a second inclined surface; 3-a purification assembly; 31-a purification plate; 311-a frame body; 312-mounting ring; 313-active carbon plate; 314-resin filter element; 315—a first mounting step; 316-a second mounting step; 317-flexible pull cords; 4-baffle plates; 5-mounting an assembly; 51-a first mounting post; 52-a second mounting post; 53-a third mounting post; 54-fourth mounting post; 541-a first inclined surface; 55-mounting grooves; 6-compressing the assembly; 61-mounting blocks; 62-a compacting plate; 63-locking blocks; 71-a sealing frame; 72-sealing the cover; 81-a blow-down pipe; 82-a silt collecting groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that terms such as "top surface" and "top surface" are used to refer to the surface of the buried sewage treatment apparatus of the present utility model that faces upward in the use state as the top surface and the surface that faces downward as the bottom surface; the use of terms such as "first" and "second" is for the purpose of distinguishing between similar elements and not necessarily for the purpose of indicating or implying any particular importance or order of such elements; terms such as "inner", "outer" and "inner and outer" are used to refer to specific contours. The above terms are used only for the convenience of clearly and simply describing the technical solution of the present utility model and are not to be construed as limiting the present utility model.

Firstly, in the places where sewage is required to be treated in processing factories, communities, hospitals, commercial facilities and the like, because professional sewage treatment facilities have high investment cost and limited treatment load, if all sewage is directly input into the sewage treatment facilities, the operation load is overlarge, the sewage treatment efficiency is reduced, generally, the sewage generated in the places is pretreated to a certain extent, namely, the contents of insoluble impurities, water-soluble salts, organic matters, residual chlorine and other pollutants in the sewage are reduced to a certain extent, so that the operation load of the sewage treatment facilities is reduced, the load of the sewage treatment facilities is reduced to a certain extent, and the sewage treatment efficiency is improved to a certain extent.

The technical scheme of the utility model is described in detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 17, the present embodiment provides a buried sewage treatment apparatus 100 including a housing 1, a filter assembly 2, a purification assembly 3, and a baffle 4; a containing cavity is formed in the shell 1, and a water inlet 11 and a water outlet 12 which are communicated with the containing cavity are formed on the shell 1; the filter assembly 2 and the purification assembly 3 are arranged in the accommodating cavity at intervals, the accommodating cavity is divided into a filter cavity 13, a purification cavity 14 and a tail water cavity 15 which are sequentially arranged by the filter assembly 2 and the purification assembly 3, the water inlet 11 is communicated with the filter cavity 13, and the water outlet 12 is communicated with the tail water cavity 15; the filter assembly 2 comprises at least two filter plates 21 arranged side by side, and the purification assembly 3 comprises at least two purification plates 31 arranged side by side; the baffle 4 is used for blocking the flow channel after the filter plate 21 is taken out or the flow channel after the purifying plate 31 is taken out.

Through the above technical solution, in one aspect, the filter assembly 2 of the buried sewage treatment apparatus 100 of the present utility model includes at least two parallel filter plates 21, when a certain filter plate 21 needs to be replaced, the baffle plate 4 may be inserted into the accommodating cavity and the corresponding flow channel of the filter plate 21 is blocked, then the filter plate 21 is taken out, so as to facilitate replacement or maintenance, in the replacement process, sewage may flow into the purifying cavity 14 after being filtered by another filter plate 21, so that not only replacement or maintenance of the filter plate 21 may be facilitated, but also continuous treatment of sewage may be ensured in the replacement or maintenance process, which is beneficial to improving sewage treatment efficiency; on the other hand, the purification assembly 3 of the buried sewage treatment apparatus 100 of the present utility model includes at least two purification plates 31 arranged in parallel, when a certain purification plate 31 needs to be replaced, the baffle plate 4 can be inserted into the accommodating cavity and the corresponding flow channel of the purification plate 31 is blocked, then the purification plate 31 is taken out for replacement or maintenance, and in the replacement process, sewage can flow into the tail water cavity 15 after being purified by another purification plate 31, thus not only being convenient for replacing or maintaining the purification plate 31, but also ensuring the continuous treatment of the sewage in the replacement or maintenance process, and being beneficial to improving the sewage treatment efficiency; in still another aspect, with the buried sewage treatment apparatus 100 of the present utility model, sewage enters the accommodating chamber from the water inlet 11, and after passing through the filter plate 21 and the purification plate 31 in order, sewage having a low pollution level can be outputted to the outside, which is advantageous in reducing the treatment burden of the sewage treatment facility (or apparatus) to the subsequent sewage, and thus in improving the sewage treatment efficiency thereof.

Further, it is understood that in the present utility model, the arrangement included angle and arrangement pitch of the plurality of filter plates 21, the arrangement included angle and arrangement pitch of the plurality of purification plates 31, etc. may be adjusted according to actual needs, for example, the plurality of filter plates 21 may be arranged parallel to each other or may be arranged at an angle (for example, 30 °, 60 °, etc.), which is not particularly limited.

In one embodiment of the present utility model, as shown in fig. 3, 5 to 7, and 13, the buried sewage treatment apparatus 100 of the present utility model may further include two mounting assemblies 5, the two mounting assemblies 5 being for mounting the filtering assembly 2 and the purifying assembly 3, respectively; the filter assembly 2 comprises two filter plates 21 arranged in parallel, and the purification assembly 3 comprises two purification plates 31 arranged in parallel; the mounting assembly 5 comprises a first mounting column 51, a second mounting column 52, a third mounting column 53 and a fourth mounting column 54, wherein the first mounting column 51, the second mounting column 52 and the third mounting column 53 are arranged at intervals and extend in the vertical direction, the fourth mounting column 54 extends in the horizontal direction, one ends of the first mounting column 51, the second mounting column 52 and the third mounting column 53 are respectively connected with the fourth mounting column 54, the first mounting column 51, the second mounting column 52 and the fourth mounting column 54 enclose two mounting grooves 55 arranged at intervals together, one of the two mounting grooves 55, which is close to the water inlet 11, is used for plugging the filter plate 21 or the purification plate 31, and one of the two mounting grooves 55, which is close to the water outlet 12, is used for plugging the baffle 4.

Thus, in one aspect, the installation component 5 provided by the utility model can facilitate the installation of the filtering component 2 and the purifying component 3, so that the filtering component 2 and the purifying component 3 divide the accommodating cavity into the filtering cavity 13, the purifying cavity 14 and the tail water cavity 15 which are mutually spaced and communicated, thereby being beneficial to the filtration and purification of sewage; on the other hand, the installation assembly 5 of the present utility model has two installation grooves 55 provided at intervals, which can facilitate the installation and removal of the filter plates 21, the purification plates 31 and the baffle plates 4, and also facilitate the blocking of the sewage by the baffle plates 4 and the treatment of the sewage by the other filter plates 21 (or the purification plates 31) while ensuring the replacement or maintenance of a certain filter plate 21 (or the purification plates 31), and facilitate the continuous treatment of the sewage and the improvement of the sewage treatment efficiency.

In one embodiment of the present utility model, as shown in fig. 6, 7 and 13, the side of the fourth mounting post 54 of the present utility model near the water inlet 11 may be formed as a first inclined surface 541, a first edge of the first inclined surface 541 being connected to the inner bottom wall of the housing 1, and a second edge of the inclined surface being connected to the top surface of the fourth mounting post 54, the height of the first edge being smaller than the height of the second edge.

Thus, when the filter plate 21 or the purification plate 31 is inserted into the accommodating chamber through the mounting groove 55, impurities at the bottom of the accommodating chamber can leave the bottom mounting position of the filter plate 21 or the purification plate 31 along the first inclined surface 541, which is beneficial to smoothly inserting the filter plate 21 or the purification plate 31 into place.

In one embodiment of the present utility model, as shown in fig. 8, 9, 16 and 17, the bottom surface of the filter plate 21 and/or the purification plate 31 of the present utility model may be formed as a second inclined surface 211; the second inclined surface 211 is opposite to the first inclined surface 541 in inclination direction, and a third edge of the second inclined surface 211 is for abutting against a top surface of the fourth mounting post 54, and a fourth edge of the second inclined surface 211 is connected to a side surface of the filter plate 21 or the purge plate 31, and a height of the third edge is smaller than a height of the fourth edge.

Thus, the second inclined surface 211 can be used to separate impurities from impurities at the bottom of the filter plate 21 or the purification plate 31 when the filter plate 21 or the purification plate 31 is inserted into the accommodating chamber through the mounting groove 55, so that the filter plate 21 or the purification plate 31 can be smoothly inserted into place.

In one embodiment of the present utility model, as shown in fig. 1, the housing 1 of the present utility model includes a cover 16 and a case 17, and the cover 16 and the case 17 are fastened to each other to form a receiving cavity. Thus, the cover 16 and the box 17 which are mutually buckled are convenient for an operator to disassemble and assemble, which is not only beneficial to the construction during assembly, but also beneficial to the subsequent repair and maintenance.

In one embodiment of the present utility model, as shown in fig. 10 to 12, the cover 16 of the present utility model may be provided with through holes 161 through which the filter plate 21, the purification plate 31 and the baffle 4 are respectively inserted, at least part of the filter plate 21 and at least part of the purification plate 31 protrude from the cover 16; the buried sewage treatment apparatus 100 further includes a compressing assembly 6, the compressing assembly 6 being disposed at the top of the housing 1, the compressing assembly 6 being configured to compress the filter plate 21 and/or the purification plate 31 to the tank 17.

Thus, in one aspect, the filter plate 21, the purge plate 31, and the baffle 4 may be directly inserted into the receiving chamber through the through-hole 161, so that an operator may replace or repair the filter plate 21 or the purge plate 31 without opening the cover 16; on the other hand, at least part of the filter plate 21 and at least part of the purification plate 31 protrude from the cover 16, and the compressing assembly 6 of the present utility model can effectively compress it in the accommodating chamber, so that it can normally exert a sewage treatment effect.

In one embodiment of the present utility model, as shown in fig. 10 and 11, the buried sewage treatment apparatus 100 of the present utility model may further include a sealing frame 71 and a sealing cover 72, wherein the sealing frame 71 is sleeved outside the through hole 161, the sealing frame 71 is connected to the top of the cover 16, and the sealing cover 72 is covered outside the sealing frame 71, so that the sealing cover 72, the sealing frame 71 and the cover 16 can jointly enclose a sealing cavity for sealing the through hole 161; wherein the height of the top of the sealing frame 71 is equal to the height of the top of the filter plate 21 or the purge plate 31.

Thus, in one aspect, the sealing frame 71 and the sealing cover 72 of the present utility model can effectively form a sealing chamber, can reliably seal the through hole 161, and is advantageous in improving the sealability of the buried sewage treatment apparatus 100 of the present utility model; on the other hand, the height of the top of the sealing frame 71 of the present utility model is equal to the height of the top of the filter plate 21 or the purge plate 31, which is advantageous for an operator to quickly and accurately check whether the filter plate 21 (or the purge plate 31) is installed in place according to the relative height relationship between the sealing frame 71 and the filter plate 21 (or the purge plate 31) during replacement or maintenance of the filter plate 21 (or the purge plate 31), thereby improving the operation efficiency.

In one embodiment of the present utility model, as shown in fig. 10 to 12, the compressing assembly 6 of the present utility model may include a mounting block 61, a compressing plate 62 and a locking block 63, the mounting block 61 and the locking block 63 being respectively disposed at both sides of the sealing cover 72, the mounting block 61 being disposed on the cover 16, one end of the compressing plate 62 being rotatably connected to the mounting block 61, the other end of the compressing plate 62 being releasably connected to the locking block 63, so that the compressing plate 62 can be abutted against the sealing cover 72. In this way, the sealing cover 72 can be reliably pressed against the cover 16 by the pressing plate 62 in an unlocking manner, which is beneficial to improving the sealing effect.

In one embodiment of the present utility model, as shown in fig. 3, 4 and 8, the bottom surface of the filter chamber 13 of the present utility model may be formed as a third inclined surface 131, the height of the third inclined surface 131 gradually decreasing in a direction away from the filter assembly 2; the buried sewage treatment apparatus 100 further includes a drain pipe 81 and a U-shaped sludge collecting tank 82, the sludge collecting tank 82 being disposed at one end of the third inclined surface 131 remote from the filter assembly 2, an inlet of the drain pipe 81 being disposed in the sludge collecting tank 82 for withdrawing sludge in the filter chamber 13. In this way, the sludge in the filter chamber 13 may enter the U-shaped sludge collection tank 82 along the third inclined surface 131 and be pumped away by the drain pipe 81 provided in the sludge collection tank 82, so that the buried sewage treatment apparatus 100 of the present utility model can continuously treat sewage.

It will be appreciated that in the present utility model, a corresponding sludge pump may be provided to pump out the sludge in the sludge collection tank 82, and this will not be described herein since the technology is well known to those skilled in the art.

In one embodiment of the present utility model, as shown in fig. 14 to 17, the purification plate 31 of the present utility model may include a frame body 311, a mounting ring 312, an activated carbon plate 313, and two resin filter cartridges 314, the frame body 311 is formed in a ring-shaped structure, the mounting ring 312 is formed in a ring-shaped structure, and the frame body 311 is sleeved outside the mounting ring 312, the activated carbon plate 313 is disposed in the mounting ring 312, and the two resin filter cartridges 314 are disposed at both sides of the activated carbon plate 313, respectively; wherein the purification plate 31 further includes a first mounting step 315 and a second mounting step 316 for mounting two resin filter cartridges 314, the first mounting step 315 and the second mounting step 316 being provided on both sides of the bottom of the frame body 311, respectively, and the bottom surface of the first mounting step 315, the bottom surface of the frame body 311, and the bottom surface of the second mounting step 316 being formed together as the second inclined surface 211.

Thus, in one aspect, the resin filter core 314 of the present utility model can filter out salt in the sewage and remove the residual chlorine and other pollution impurities in the sewage, and at the same time, the activated carbon plate 313 of the present utility model can effectively filter out the organic matters, residual chlorine and other pollution impurities in the sewage, so that the pretreatment of the sewage can be realized to a certain extent, and the operation load of the subsequent sewage treatment facilities can be reduced. On the other hand, the activated carbon plate 313 is arranged in the mounting ring 312 of the annular structure, the mounting ring 312 is arranged in the frame main body 311, and the resin filter cores 314 are arranged on two sides in a laminating manner, so that the purifying plate 31 has higher structural strength and excellent filtering performance, can effectively ensure that the purifying plate 31 keeps working normally under the impact of sewage, and is beneficial to improving the purifying performance of the purifying plate 31. In still another aspect, the first mounting step 315 and the second mounting step 316 provided in the present utility model are beneficial to mounting the resin filter core 314 on both sides, so that a larger area of bonding surface is provided between the resin filter core 314 and the frame body 311, which is beneficial to improving the connection performance of the resin filter core 314 and the frame body 311, and is also beneficial to improving the structural integrity of the purification plate 31.

Furthermore, it will be appreciated that referring to fig. 14-16, in the present utility model, the purge plate 31, filter plate 21 and baffle 4 may be provided with respective flexible pull cords 317 on top to facilitate manipulation thereof by an operator.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An underground sewage treatment apparatus, comprising:

the device comprises a shell (1), wherein a containing cavity is formed in the shell (1), and a water inlet (11) and a water outlet (12) which are communicated with the containing cavity are formed in the shell (1);

the filter assembly (2) and the purification assembly (3) are arranged in the accommodating cavity at intervals, the accommodating cavity is divided into a filter cavity (13), a purification cavity (14) and a tail water cavity (15) which are sequentially arranged by the filter assembly (2) and the purification assembly (3), the water inlet (11) is communicated with the filter cavity (13), and the water outlet (12) is communicated with the tail water cavity (15); the filter assembly (2) comprises at least two filter plates (21) which are arranged in parallel, and the purifying assembly (3) comprises at least two purifying plates (31) which are arranged in parallel;

and the baffle plate (4) is used for blocking the flow passage of one filter plate (21) after being taken out or the flow passage of one purifying plate (31) after being taken out.

2. The buried sewage treatment apparatus according to claim 1, wherein the buried sewage treatment apparatus (100) further comprises two mounting assemblies (5), the two mounting assemblies (5) being for mounting the filter assembly (2) and the purification assembly (3), respectively;

the filter assembly (2) comprises two filter plates (21) which are arranged in parallel, and the purifying assembly (3) comprises two purifying plates (31) which are arranged in parallel;

the installation component (5) includes first erection column (51), second erection column (52), third erection column (53) and fourth erection column (54), first erection column (51) second erection column (52) with third erection column (53) interval each other sets up and all extends along vertical direction, fourth erection column (54) extend along the horizontal direction, first erection column (51) second erection column (52) with one end of third erection column (53) respectively with fourth erection column (54) are connected, first erection column (51) second erection column (52) with fourth erection column (54) enclose jointly and close up mounting groove (55) that two intervals set up, are close to in mounting groove (55) one of water inlet (11) is used for supplying filter (21) or purification board (31) are pegged graft, two be close to in mounting groove (55) one of delivery port (12) is used for 4) are pegged graft.

3. The buried sewage treatment apparatus according to claim 2, wherein a side surface of the fourth mounting post (54) near the water inlet (11) is formed as a first inclined surface (541), a first edge of the first inclined surface (541) is connected to an inner bottom wall of the housing (1), a second edge of the inclined surface is connected to a top surface of the fourth mounting post (54), and a height of the first edge is smaller than a height of the second edge.

4. A buried sewage treatment apparatus according to claim 3, wherein the bottom surface of the filter plate (21) and/or the purification plate (31) is formed as a second inclined surface (211);

the second inclined surface (211) is opposite to the first inclined surface (541), a third edge of the second inclined surface (211) is used for propping against the top surface of the fourth mounting column (54), a fourth edge of the second inclined surface (211) is connected with the side surface of the filter plate (21) or the purification plate (31), and the height of the third edge is smaller than that of the fourth edge.

5. The underground sewage treatment device according to claim 1, wherein the housing (1) comprises a cover (16) and a box (17), and the cover (16) and the box (17) are mutually buckled to form the accommodating cavity.

6. The underground sewage treatment device according to claim 5, wherein the cover body (16) is provided with through holes (161) for the filter plate (21), the purification plate (31) and the baffle plate (4) to pass through, and at least part of the filter plate (21) and at least part of the purification plate (31) protrude from the cover body (16);

the buried sewage treatment equipment (100) further comprises a pressing component (6), the pressing component (6) is arranged at the top of the shell (1), and the pressing component (6) is used for pressing the filter plate (21) and/or the purifying plate (31) to the box body (17).

7. The buried sewage treatment apparatus according to claim 6, wherein the buried sewage treatment apparatus (100) further comprises a sealing frame (71) and a sealing cover (72), the sealing frame (71) is sleeved outside the through hole (161), the sealing frame (71) is connected with the top of the cover body (16), and the sealing cover (72) is used for being covered outside the sealing frame (71), so that the sealing cover (72), the sealing frame (71) and the cover body (16) can jointly enclose a sealing cavity for sealing the through hole (161);

wherein the height of the top of the sealing frame (71) is equal to the height of the top of the filter plate (21) or the purification plate (31).

8. The underground sewage treatment apparatus according to claim 7, wherein the pressing assembly (6) includes a mounting block (61), a pressing plate (62) and a locking block (63), the mounting block (61) and the locking block (63) are respectively provided on both sides of the sealing cover (72), the mounting block (61) is provided on the cover body (16), one end of the pressing plate (62) is rotatably connected to the mounting block (61), and the other end of the pressing plate (62) is connected with the locking block (63) in a releasable manner, so that the pressing plate (62) can be abutted against the sealing cover (72).

9. The buried sewage treatment apparatus according to any one of claims 1 to 8, wherein a bottom surface of the filter chamber (13) is formed as a third inclined surface (131), and a height of the third inclined surface (131) gradually decreases in a direction away from the filter assembly (2);

the buried sewage treatment equipment (100) also comprises a sewage discharge pipe (81) and a U-shaped sludge collecting groove (82),

the sludge collecting groove (82) is arranged at one end, far away from the filtering component (2), of the third inclined surface (131), and an inlet of the blow-down pipe (81) is arranged in the sludge collecting groove (82) so as to be used for extracting sludge in the filtering cavity (13).

10. The underground sewage treatment apparatus according to any one of claims 1 to 8, wherein the purification plate (31) comprises a frame body (311), a mounting ring (312), an activated carbon plate (313), and two resin filter cores (314), the frame body (311) is formed into a ring-shaped structure, the mounting ring (312) is formed into a ring-shaped structure, the frame body (311) is sleeved outside the mounting ring (312), the activated carbon plate (313) is disposed in the mounting ring (312), and the two resin filter cores (314) are disposed on both sides of the activated carbon plate (313), respectively;

wherein the purification plate (31) further comprises a first mounting step (315) and a second mounting step (316) for mounting two resin filter cores (314), and the first mounting step (315) and the second mounting step (316) are respectively arranged on two sides of the bottom of the frame body (311).