CN212864258U - Suspended carrier module and bioreactor - Google Patents

Abstract

The utility model provides a hang carrier module and bioreactor, include: the module frame comprises a plurality of vertical beams and a plurality of cross beams, wherein the projections of the vertical beams in the horizontal plane form each vertex of a polygon, and the vertical beams are fixedly connected through the cross beams positioned on the side lines of the polygon; the two ends of the carrier grid rod are respectively arranged at the two cross beams; a hanging carrier connected with the carrier grid, the hanging carrier hanging in the inner space of the module frame under the support of the carrier grid for carrying a biofilm; a module housing including a plurality of module sidewalls, the module sidewalls connected with the module frame. The hanging carrier adopts a modular design, can realize factory standardized production, is convenient and quick to assemble on site, reduces the occupied area of a sewage treatment facility, and can effectively shorten the construction time of the sewage treatment facility.

Description

Suspended carrier module and bioreactor

Technical Field

The utility model relates to a sewage treatment technical field particularly, especially relates to a hang carrier module and bioreactor.

Background

The sewage treatment process mainly comprises two main categories of physical and chemical treatment and biological treatment, wherein the biological treatment has the characteristics of low cost and thorough purification, so the biological treatment is a main technical means for domestic sewage treatment, and the biological trickling filter is a commonly used biological treatment device.

The biological trickling filter is characterized in that crushed stone blocks or other artificial filter materials are filled in the biological trickling filter, waste water is distributed from the top of the biological trickling filter through a water distribution system, suspended substances in the waste water are intercepted by the filter materials when the waste water passes through the biological trickling filter, so that microorganisms are bred quickly, the microorganisms further adsorb soluble and colloidal organic matters in the waste water, the microorganisms gradually grow and form a biological film, and the biological trickling filter purifies the waste water by means of the adsorption and oxidation of the biological film on the surface of the filter materials on the organic matters in the waste water.

However, the volume of the filter material of the traditional biochemical reactor accounts for too large proportion in the volume of the biological trickling filter, and the volume of the filter material is useless, so that the specific surface area of the whole unit volume is small, and the amount of microorganisms in the unit volume is not high; in addition, the filter materials are piled up in disorder, so that not only is the waste of the effective surface of the filter materials at the piled contact position caused, but also the channel is easy to block, and a dead zone which has no effect on sewage purification is formed; moreover, the filter material layer occupies a larger area due to the unstable structure of the filter material accumulated in the tank body; moreover, the filtering material adopts an accumulation mode, so that the construction of the biochemical reactor is difficult to realize standardization, and the large-scale amplification is difficult to realize in proportion, thereby causing the low treatment efficiency of the biochemical reactor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hang carrier module and bioreactor to the shortcoming of current mode for solve the problem that the biochemical reactor area that prior art exists is big or the treatment effeciency is lower.

The utility model provides a hang carrier module, include:

the module frame comprises a plurality of vertical beams and a plurality of cross beams, wherein the projections of the vertical beams in the horizontal plane form each vertex of a polygon, and the vertical beams are fixedly connected through the cross beams positioned on the side lines of the polygon;

the two ends of the carrier grid rod are respectively arranged at the two cross beams;

a hanging carrier connected with the carrier grid, the hanging carrier hanging in the inner space of the module frame under the support of the carrier grid for carrying a biofilm;

a module housing including a plurality of module sidewalls, the module sidewalls connected with the module frame.

Optionally, the cross beams at least include a group of upper cross beams and a group of lower cross beams, and two ends of the carrier grid rod are respectively arranged at the two upper cross beams.

Optionally, the suspended carrier module further comprises a redistribution board, the redistribution board is connected with the lower cross beam, a plurality of strip-shaped through holes are formed in the redistribution board, the strip-shaped through holes are arranged in parallel, the length direction of the strip-shaped through holes is perpendicular to the length direction of the carrier grid bars or the included angle of the strip-shaped through holes is an acute angle, and the suspended carrier naturally droops to the upper side of the redistribution board.

Optionally, the carrier grid rods are detachably connected with the cross beam, the distance between adjacent carrier grid rods is adjustable, the hanging carrier is provided with through hanging holes, and the carrier grid rods penetrate through the through hanging holes, so that the hanging carrier is connected with the carrier grid rods.

Optionally, the upper edge and the lower edge of the module side wall are respectively provided with an upper connecting sheet and a lower connecting sheet, and the module side wall is connected with the cross beam through the upper connecting sheet, so that the module side wall is fixed on the module frame.

Optionally, a connecting piece is arranged between the lower connecting piece and the module side wall, and the vertical projection of the inner space of the connecting piece is the same as that of the vertical beam.

Optionally, the hanging carrier is in a strip shape, and the edge of the hanging carrier is in a straight line or a periodic curve shape.

The utility model also provides a bioreactor, include: a water collection tank, a water distributor and at least one suspended carrier module as described in any one of the above;

the water distributor is arranged above the suspended carrier module;

the catch basin is disposed below the hanging carrier module.

Optionally, the bioreactor comprises at least two suspended carrier modules, the at least two suspended carrier modules are stacked in the vertical direction, and a sealing strip is arranged between every two adjacent suspended carrier modules.

Optionally, in any two adjacent suspension carrier modules, the lower connecting sheet of the previous suspension carrier module is fixedly connected with the upper connecting sheet of the next suspension carrier module; the sealing strip is clamped between the lower connecting sheet of the last suspended carrier module and the upper connecting sheet of the next suspended carrier module.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through setting up the module frame into the hollow space frame who comprises a plurality of perpendicular roof beams and crossbeam, be provided with a plurality of bars between the crossbeam, the bar is used for being connected with the suspension carrier, thereby will hang the carrier and hang in the hollow inner space of module frame in order to bear the weight of biomembrane, compare in the mode of piling up of filter material, adopt the mode of hanging as the biological carrier, can effectively improve the surface utilization of biological carrier, avoid appearing the filter material and pile up and block up the situation of biological trickling filter, the biomass of unit volume in the biological treatment device has been improved, sewage treatment efficiency is improved. Moreover, the hanging carrier adopts a modular design, can realize factory standardized production, is convenient and quick to assemble on site, reduces the occupied area of a sewage treatment facility, and can effectively shorten the construction time of the sewage treatment facility.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a schematic structural diagram of a suspension carrier module according to an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of a suspended carrier module provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a suspended carrier module according to an embodiment of the present invention, with its bottom facing upward;

fig. 4 is a schematic structural diagram of a module frame according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a carrier grid rod and a suspension carrier provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a stack of suspended carrier modules according to an embodiment of the present invention.

Description of reference numerals:

11-vertical beam; 12-an upper beam; 13-a lower cross beam;

21-carrier grid rods;

31-hanging the carrier;

41-module side walls; 42-upper connector piece; 43-lower connecting sheet; 44-a connector;

51-redistribution board;

61-sealing strip.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Please refer to fig. 1 to 5.

As shown in fig. 1, the hanging carrier module includes a module frame, a carrier grid 21, a hanging carrier 31 and a module housing. The module frame comprises a plurality of vertical beams 11 and a plurality of cross beams, wherein the projections of the vertical beams 11 in the horizontal plane form each vertex of a polygon, the vertical beams 11 positioned on the same sideline of the polygon are fixedly connected through a plurality of cross beams, a carrier grid rod 21 is arranged between the cross beams, and two ends of the carrier grid rod 21 are respectively arranged at two cross beams positioned on the same horizontal plane. The hanging carriers 31 are connected to the carrier bars 21 and hung in the inner space of the module frame with the support of the carrier bars 21 to carry the biofilm. The hanging carrier 31 may be fixedly connected to the carrier grid 21, or may be non-fixedly connected, for example, the upper end of the hanging carrier 31 is fixed to the carrier grid 21, and the other end of the hanging carrier naturally hangs down, or the middle of the hanging carrier 31 is overlapped on the carrier grid 21, and the two ends naturally hang down, etc., which is not limited herein. A module shell is arranged outside the module frame and comprises a plurality of module side walls 41, the height of each module side wall 41 is the same as that of the vertical beam 11, and the projection on the vertical surface is the same as that of the vertical beam 11 in a surrounding mode.

In some embodiments, the hanging carrier 31 is a strip, the edge of the hanging carrier 31 is in a straight line or a periodic curve, and the strip can be cut independently or one end of the strip can be left uncut, so that a plurality of hanging carriers 31 can form a whole. The hanging carrier 31 can be made of microorganism attachment material made of polymer synthetic fiber or polymer synthetic fiber mixed with natural fiber, such as combined hanging filler, fluffy fiber braid, fluffy fiber rope, foaming sponge, non-woven fabric, towel strip, felt strip, etc.

Above-mentioned embodiment sets up the hollow space frame who comprises a plurality of perpendicular roof beams 11 and crossbeam through setting up the module frame, be provided with a plurality of bars between the crossbeam, the bar is used for being connected with suspension carrier 31, thereby will hang carrier 31 and hang in the hollow inner space of module frame and be in order to bear the weight of biomembrane, compare in the mode of piling up of filter material, adopt the mode of hanging as the bio-carrier, can effectively improve bio-carrier's surface utilization, avoid appearing the filter material and pile up and block up the situation of biological trickling filter pond, the biomass of unit volume in the biological treatment device has been improved, sewage treatment efficiency is improved. Moreover, the hanging carrier 31 adopts a modular design, can realize factory standardized production, is convenient and quick to assemble on site, reduces the occupied area of a sewage treatment facility, and can effectively shorten the construction time of the sewage treatment facility.

In some embodiments, as shown in fig. 4, the cross beams may be arranged in multiple sets at different levels, for example at least one set of upper cross beams 12 and at least one set of lower cross beams 13, to increase the strength of the carrier frame. Use the crossbeam to include for a set of entablature 12 and a set of bottom end rail 13 as an example, the both ends of carrier bars 21 set up respectively in two entablatures 12 departments, bottom end rail 13 department is provided with redistribution board 51, redistribution board 51 is connected with bottom end rail 13, redistribution board 51 has seted up a plurality of strip through-holes, parallel arrangement between the strip through-hole, and length direction is perpendicular with the length direction of carrier bars 21 or the contained angle is the acute angle, interval between the strip through-hole can be adjusted according to the practical application scene, for example can the equidistance set up, also can set up the intensive degree of through-hole of different positions. The hanging carrier 31 naturally hangs down above the redistribution board 51 under the support of the carrier grid 21. By providing the redistribution board 51, the sewage flowing down after being treated from the suspended carrier 31 is distributed by the redistribution board 51, so that the liquid flowing out from the lower part of the suspended carrier module is distributed more uniformly.

In some embodiments, the carrier bars 21 are detachably connected to the cross beams, and the distance between adjacent carrier bars 21 is adjustable. For example, the cross beam is provided with a plurality of receiving holes (not shown in the figure) matched with the carrier grid bars 21 to receive the tail ends of the carrier grid bars 21, the number of the receiving holes formed in the cross beam is more than that of the carrier grid bars 21, and the number of the receiving holes at intervals between the carrier grid bars 21 can be adjusted according to requirements, so that the distance between the carrier grid bars 21 can be adjusted. The hanging carrier 31 is provided with through hanging holes for the carrier grid rods 21 to pass through, and the carrier grid rods 21 pass through the through hanging holes so that the hanging carrier 31 is connected with the carrier grid rods 21, and is hung in the inner space of the module frame under the support of the carrier grid rods 21.

In some embodiments, as shown in fig. 1 and 2, the module side walls 41 are provided at their upper and lower edges with upper and lower attachment tabs 42 and 43, respectively, connected by the upper attachment tabs 42 and cross members to secure the module side walls 41 to the module frame. In some embodiments, the upper tabs 42 are connected to the uppermost beam. In some embodiments, the receiving holes formed in the beam are through holes, and the carrier bar 21 can be taken out from the side wall of the beam through the receiving holes.

In some embodiments, as shown in fig. 3, the vertical beam 11 extends beyond the upper cross beam 12 in the length direction, a connector 45 is provided between the lower connecting piece 43 and the module side wall 41, and the vertical projection of the inner space of the connector 45 is the same as that of the vertical beam 11. As shown in fig. 6, fig. 6 the embodiment of the utility model provides a hang the structural schematic diagram that the carrier module piled up, a plurality of carrier modules that hang can pile up the setting in vertical direction, the top hangs the extension that the connecting piece 45 of carrier module can hold the perpendicular roof beam 11 that the carrier module was hung to the below, the top hangs the lower connecting piece 43 of carrier module and the upper connecting piece 42 fixed connection that the carrier module was hung to the below, the top hangs and is provided with sealing strip 61 between the lower connecting piece 43 of carrier module and the upper connecting piece 42 that the carrier module was hung to the below. In some embodiments, the upper connecting piece 42 and the lower connecting piece 43 are provided with matching through holes, and the lower connecting piece 43 of the previous suspension carrier module and the upper connecting piece 42 of the next suspension carrier module are fixedly connected through the through holes by bolts.

Based on the same inventive concept, the application also provides a bioreactor, which comprises a water collecting tank, a water distributor and at least one suspended carrier module as in any one of the above items; the water distributor is arranged above the suspended carrier module; the catch basin is arranged below the suspended carrier module.

In some embodiments, the bioreactor further comprises a housing, the housing being a hollow structure; the water distributor is arranged at the top of the inner space of the shell; the suspended carrier module is arranged in the inner space of the shell and is positioned below the water distributor; the catch basin sets up the below at the casing. The suspended carrier module can be connected with the housing or can be erected above the water collection tank and located in the inner space of the housing.

When sewage is treated, sewage is introduced into the water distributor, the sewage is sprayed onto the suspended carrier module through the water distributor, a biological membrane is carried on the suspended carrier 31 of the suspended carrier module, the sewage is biologically treated when passing through the suspended carrier 31, and the treated liquid naturally drops and is led out or reflows for retreatment after being collected in the water collecting tank.

In some embodiments, the bioreactor is provided with an air outlet at the upper end, the air outlet is arranged in the vertical projection range of the suspended carrier module, and the air inlet is arranged at the lower end of the shell. When sewage treatment is carried out, gas enters from the gas inlet, enters from the bottom of the suspended carrier module, fully contacts with the suspended carrier 31, and is discharged from the gas inlet at the upper part, so that the biological activity carried on the suspended carrier 31 is improved, and the sewage treatment effect is improved.

In some embodiments, at least two hanging carrier modules are arranged in the housing, as shown in fig. 6, the at least two hanging carrier modules are stacked in the vertical direction, a sealing strip 61 is arranged between two adjacent hanging carrier modules, and in any two adjacent hanging carrier modules, the lower connecting sheet 43 of the last hanging carrier module is fixedly connected with the upper connecting sheet 42 of the next hanging carrier module; the sealing strip 61 is clamped between the lower connecting sheet 43 of the last suspended carrier module and the upper connecting sheet 42 of the next suspended carrier module to block the gas flowing out between the shells of the two suspended carrier modules. Through setting up a plurality of carrier modules that hang and pile up in vertical direction, the liquid after last module was handled can be carried out the secondary treatment by next module to improve sewage treatment's effect.

Example 1

As shown in fig. 4, a 50mm × 50mm stainless steel square tube with 4 lengths of 1200mm (millimeters) is used as 4 vertical beams 11 for hanging the carrier modules, a 50mm × 50mm stainless steel square tube with 4 lengths of 1000mm is used as a module upper cross beam 12, a 50mm × 50mm stainless steel square tube with 4 lengths of 1000mm is used as a module lower cross beam 13, 4 carrier vertical beams 11 and 4 carrier upper cross beams 12 are connected at a position 50mm away from the top end of the vertical beam 11 through welding, 4 carrier vertical beams 11 are connected at a position 50mm away from the bottom end of the vertical beam 11 through welding, and therefore a complete cubic structure is connected to obtain a module frame.

9 solid round bars with the length of 1100mm and the diameter of 20mm are used as the module grid bars, nine holes with the interval of 110mm are arranged on the side of the upper beam 12 of the carrier, and the module grid bars are inserted and fixed. A stainless steel plate with the thickness of 1000mm multiplied by 2mm is used as a redistribution board, strip-shaped holes with the thickness of 950mm multiplied by 20mm are punched on the redistribution board, the adjacent distance of the strip-shaped holes is 110mm, and then the strip-shaped holes are connected with the lower cross beam 13 of the module through welding.

As shown in fig. 1 to 5, 9 pieces of 1500mm × 1000mm × 1mm polyester non-woven fabric are used, 15 circular hanging holes with a diameter of 20mm are formed in the upper portion of the polyester non-woven fabric, so that a hanging carrier 31 is obtained, and the hanging carrier 31 is uniformly fixed on a module grid rod through the hanging holes.

A steel plate with the thickness of 2mm is processed into a module side wall 41 with the projection of a square shape, the size of a single side wall is 1200mm in height and 1100mm in width, the upper portion and the lower portion of the module side wall 41 are connected with 4 upper connecting pieces 42 and 4 lower connecting pieces 43, the bottom of each upper connecting piece 42 is connected with an upper module cross beam 12 through connecting screw holes, connecting pieces 45 are arranged at four corners of the lower portion of the module side wall 41, the size of the horizontal section inside each connecting piece 45 is matched with that of a vertical beam 11 and the height of each vertical beam is 100mm, and 50mm of the lower end of each vertical.

Example 2

As shown in fig. 6, the novel carrier module assembled in the above embodiment 1 is assembled into a module array by stacking. The concrete mode is that the part of the module vertical beam 11, which is higher than the upper connecting sheet 42, is arranged in the connecting piece 45 of the other module, the two modules are fixed by the connecting sheets, namely the lower connecting sheet 43 of the upper module is fixed with the upper connecting sheet 42 of the lower module through a connecting screw hole, and before the fixing, a sealing strip 61 is added between the upper connecting sheet 42 and the lower connecting sheet 43, so that the module side wall 41 is sealed.

Put into bioreactor with a plurality of novel carrier module that hang after well assembled (also can the well assembled carrier module parallel arrangement of a plurality of groups), bioreactor can set up to cylindrical casing, the lower extreme sets up the catch basin, module array lower extreme is connected with catch basin upper portion, module array upper end links to each other with the reactor upper end, the air inlet sets up at the reactor lower extreme, the gas outlet sets up in the vertical projection scope of module array, and with module shell sealing connection, the water-locator is arranged in the vertical projection scope of module array equally, can set up the backward flow according to the demand.

The carrier module array is got into through water distribution equipment to intaking, after with hang carrier 31 fully contact, through redistribution board 51 evenly distributed in lower floor's module, at last the catchment basin of converging, carry out aftertreatment or backward flow and use, gaseous from the air inlet entering, because module array and upper portion gas outlet are all sealing connection, gaseous from module array bottom entering, with hang carrier 31 fully contact, discharge from the upper portion air inlet at last.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A hanging carrier module, comprising:

the module frame comprises a plurality of vertical beams and a plurality of cross beams, wherein the projections of the vertical beams in the horizontal plane form each vertex of a polygon, and the vertical beams are fixedly connected through the cross beams positioned on the side lines of the polygon;

the two ends of the carrier grid rod are respectively arranged at the two cross beams;

a hanging carrier connected with the carrier grid, the hanging carrier hanging in the inner space of the module frame under the support of the carrier grid for carrying a biofilm;

a module housing including a plurality of module sidewalls, the module sidewalls connected with the module frame.

2. The suspended carrier module of claim 1, wherein the cross-beams include at least a set of upper cross-beams and a set of lower cross-beams, and both ends of the carrier grid are respectively disposed at the two upper cross-beams.

3. The hanging carrier module as claimed in claim 2, further comprising a redistribution board, wherein the redistribution board is connected to the lower beam, the redistribution board is provided with a plurality of strip-shaped through holes, the strip-shaped through holes are arranged in parallel, and the length direction of the strip-shaped through holes is perpendicular to the length direction of the carrier grid bar or forms an acute angle with the length direction of the carrier grid bar, and the hanging carrier naturally hangs down above the redistribution board.

4. The suspended carrier module of claim 1, wherein the carrier bars are detachably connected to the cross beam, the distance between adjacent carrier bars is adjustable, the suspended carrier is provided with through holes, and the carrier bars pass through the through holes, so that the suspended carrier is connected to the carrier bars.

5. The hanging carrier module of claim 1 wherein the module side walls have upper and lower connecting tabs disposed along upper and lower edges thereof, respectively, the module side walls being connected to the cross beam by the upper connecting tabs to secure the module side walls to the module frame.

6. A suspended carrier module according to claim 5, wherein a connector is provided between the lower connecting piece and the module side wall, the vertical projection of the connector interior space being the same as the vertical projection of the vertical beam.

7. The hanging carrier module of claim 1 wherein the hanging carrier is in the form of a strip having edges that are linear or periodically curved.

8. A bioreactor comprising a sump, a water distributor and at least one suspended carrier module according to any one of claims 1 to 7;

the water distributor is arranged above the suspended carrier module;

the catch basin is arranged below the suspended carrier module.

9. The bioreactor of claim 8, wherein the bioreactor comprises at least two of the hanging carrier modules, the at least two hanging carrier modules are stacked in a vertical direction, and a sealing strip is arranged between two adjacent hanging carrier modules.

10. The bioreactor of claim 9, wherein in any two adjacent suspended carrier modules, the lower connecting piece of the upper suspended carrier module is fixedly connected with the upper connecting piece of the lower suspended carrier module; the sealing strip is clamped between the lower connecting sheet of the last suspended carrier module and the upper connecting sheet of the next suspended carrier module.

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