CN207330701U - Sludge condensation and modifying device - Google Patents

Abstract

A kind of sludge condensation and modifying device are the utility model is related to, it includes：For receiving and accommodating the storage device of sludge, which includes main body and lid, and mud mouth and overflow port are provided with main body, and lid includes being used for the gas outlet for discharging gas；Filtration apparatus between mud mouth and overflow port, for being filtered to the sludge in storage device, to realize separation of solid and liquid；For sludge is transported to below filtration apparatus in storage device into mud device；For delivering additive to the additive feeder unit in storage device below filtration apparatus；The mud extraction device of the mud mouth is connected to, for discharging concentrated and quenched sludge from storage device；And thickened sludge adjusting apparatus, it includes being in fluid communication with storage device and around the adjustment tank of its setting, for adjusting the amount of the thickened sludge in storage device according to quenched needs.

Description

Sludge condensation and modifying device

Technical field

It the utility model is related to a kind of sludge treatment equipment, and in particular, to one kind is used to sludge is concentrated and adjusted The sludge condensation and modifying device of matter.

Background technology

During sewage plant treated sewage, substantial amounts of sludge can be produced.The mud granule of these sludge is in micron dimension, moisture content It is very high, containing substantial amounts of organic principle, and substantially it is in colloidal generally 99.2% ~ 99.6%.The dirt very high to this moisture content Mud is transported and is stored all extremely difficult, this is because the volume of the high sludge of this moisture content is usually larger, therefore can be produced Raw expensive transport and carrying cost.In addition, this sludge is difficult to thorough desiccation under conditions of natural storage, and need to account for These sludge are stored for a long time with a large amount of valuable land resources.Moreover, these sludge are usually all containing heavy metal, harmful bacteria Deng so that if the mode with routine（Such as natural storage or landfill）If being handled, the serious of environment is often led to Pollution.In order to preferably handle disposing sludge, it is necessary to reduce the moisture content of sludge by sludge condensation, reduce the body of sludge Product, so that transport and the carrying cost of sludge on the one hand can be reduced, is on the other hand easy to carry out at follow-up processing sludge Reason.In the prior art, sludge is concentrated generally by gravity concentration method, Bubble-floating Method and centrifugal concentrating method.

Gravity concentration method is that sludge is transported to sludge concentration tank, and sludge settling is made by way of natural subsidence to pond Bottom, and correspondingly discharge supernatant.Extremely grown however, this gravity concentration method using natural subsidence takes, generally require length Up to 10 when small more than time can complete sedimentation separation.In addition, long time-consuming and cause the sludge for being deposited in bottom of pond to be formed to detest Oxygen environment, so as to cause dewatered P content in sludge higher, does not reach discharge standard.In Chinese utility model patent A kind of sludge concentration tank is proposed in CN205011601U, its by being aerated and stirring the contact to increase sludge with oxygen, from And reduce the release of phosphorus in sludge.But due to the effect for being aerated and stirring so that sludge is more difficult to by natural subsidence Mode concentrates and accordingly discharges supernatant.Therefore, although the program reduces the release of phosphorus in sludge, but causes sludge dense The contracting time is elongated, and efficiency is lower, and the moisture percentage in sewage sludge after concentration is also higher.

Bubble-floating Method and gravity concentration method are on the contrary, be mud granule is enclosed micro air bubble and float up to the water surface, then with scraping Plate scrapes thickened sludge then to flow out into mud drainage slot, sludge water from bottom of pond.However, this method equally exists the problem of time-consuming longer. Required in addition, this method exists for mud granule degree, i.e. mud granule degree cannot be too big, and bubble, which is otherwise difficult to be utilized, makes dirt Mud floats.Centrifugal concentrating rule need carried out in the Centrifugal concentrators being specifically manufactured, its utilize sludge in solid, liquid proportion not Together, there are different tendency to drift aways, muddy water is thus separated, so as to achieve the purpose that concentration.However, centrifugal concentrating method needs to use Complicated and expensive special equipment, thus higher expense can be caused.

In addition, in order to which processing is effectively performed in the sludge high to moisture content, in addition to being concentrated to sludge, it is also necessary to It is quenched to sludge progress for the characteristic of sludge, in order to which follow-up mechanical dehydration and desiccation etc. are handled.This is because sludge has There is a very strong hydrophily, the combination power of moisture and mud granule in sludge is also very strong.By putting into additive, thus it is possible to vary The property of sludge, destroys the structure of sludge colloid, the affinity with water is reduced, so as to improve the dewatering of sludge.So And in the prior art, the characteristic all not having in the equipment that concentration is carried out to sludge for sludge carries out sludge Quenched function.This has severely impacted the subsequent treatment of sludge, result in the decline of sludge treatment capacity, adds and be produced into This.

Therefore, in the field handled sludge, there has long been a desire for that be capable of providing a kind of device, its can to sludge into Row concentration and quenched, and the installation area is small, can be greatly enhanced thickening efficiency and shorten concentration time, obtains and expects Less than effect, it is while simple in structure, easy to clean.In addition, also it is desirable to be capable of providing it is a kind of to sludge carry out concentration and it is quenched Device, it can be adjusted the amount of thickened sludge when carrying out quenched to sludge, be derived from more preferable quenched effect.

Utility model content

Above-mentioned target is met by the sludge condensation and modifying device proposed in the utility model.

The utility model provides a kind of sludge condensation and modifying device, including：For receiving and accommodating the storage of sludge Device, the storage device include main body and lid, and the main body and described cover together form the storage device and be used to connecing The inner space of sludge is received and accommodated, mud mouth and overflow port are provided with the main body, the mud mouth is used for from the storage Sludge is discharged in cryopreservation device, the overflow port is located above the mud mouth, for discharging the filter produced during sludge condensation Liquid；Filtration apparatus, the filtration apparatus are arranged in the storage device, between the mud mouth and the overflow port, For being filtered to the sludge in the storage device, to realize separation of solid and liquid；It is described to be used to incite somebody to action into mud device into mud device Sludge is transported to below the filtration apparatus in the storage device；Additive feeder unit, the additive feeding dress Put for being delivered additive to below the filtration apparatus in the storage device, to be mixed with the sludge；Go out Mud device, the mud extraction device is connected to the mud mouth, for discharging concentrated and quenched dirt from the storage device Mud；And thickened sludge adjusting apparatus, the thickened sludge adjusting apparatus include adjustment tank, the adjustment tank is in the filtering dress It is in fluid communication below putting with the storage device, the thickened sludge adjusting apparatus is used for according to quenched needs to adjust The amount of the thickened sludge in storage device is stated, wherein, the adjustment tank is arranged about the main body of the storage device.

In another embodiment of the utility model, the thickened sludge adjusting apparatus further includes dirty for pumping concentration The pump of mud and the control valve for controlling the fluid communication between the adjustment tank and the storage device.

In another embodiment of the utility model, the main body of the storage device is the recessed area shape by ground Into reservoir, the reservoir includes reservoir wall and bottom, and the mud mouth and the overflow port are located on the reservoir wall.At this In another embodiment of utility model, the main body of the storage device is provided in the container on ground, it includes housing shape Into side wall and bottom, the mud mouth and the overflow port be located on the side wall.In another implementation of the utility model Example in, the main body of the storage device is provided in the container on ground, it include housing formed side wall and bottom, it is described go out Mud mouth is located at the bottom, and the overflow port is located on the side wall.

In another embodiment of the utility model, the storage device further includes mud inlet, and the mud inlet is located at It is described to be connected to the mud inlet into mud device below the filtration apparatus, and on the side wall of the main body or bottom, with Just sludge is conveyed from the lower section of the filtration apparatus.It is described to include into mud device in another embodiment of the utility model Enters mud pipe, the enters mud pipe extend to the filtration apparatus from top to bottom in the storage device along the side wall of the main body Below, to convey sludge from the lower section of the filtration apparatus.In another embodiment of the utility model, the storage Lid in device may also include gas outlet, for discharging the gas in the storage device.

In another embodiment of the utility model, the storage device further includes additive entrance, the additive Entrance is located at below the filtration apparatus, and the additive feeder unit is connected to the additive entrance, so as to from described The lower section feeding additive of filtration apparatus.In another embodiment of the utility model, the additive feeder unit includes Additive pipeline, the additive pipeline extend to the filtering along the main body in the storage device and fill from top to bottom Below putting, so as to from the lower section feeding additive of the filtration apparatus.It is described in another embodiment of the utility model Sludge condensation and modifying device further include agitating device, and the agitating device is used to stir the sludge in the storage device Mix.

In another embodiment of the utility model, the filtration apparatus in sludge condensation and modifying device includes： Support plate, includes at least one plate hole in the support plate；Filter assemblies, the filter assemblies are arranged in correspondence with the support At at least one plate hole of plate, and including：Cage, the cage include fixing piece and a plurality of filter grid, and the fixing piece is used In by filter assemblies engagement, at the plate hole of the support plate, the one end of each is by the company of fixation in a plurality of filter grid The fixing piece is connected to, the other end is connected to each other；Filter screen, the filter screen are fixed to the cage and surround the cage Frame.In another embodiment of the utility model, at least one plate hole of the support plate is regular in the support plate Ground arranges.In another embodiment of the utility model, at least one plate hole of support plate quilt in the support plate Brokenly arrange.In another embodiment of the utility model, at least one plate hole of the support plate is circular, triangle Shape or polygon.In another embodiment of the utility model, the support plate is flat plate.In the utility model Another embodiment in, the support plate have upward arching convex shape or reclinate concave shape or The curved shape of dipping and heaving.In another embodiment of the utility model, the filter screen includes net circle and spacer screen, described Net circle and spacer screen are connected to each other, to surround the cage jointly.In another embodiment of the utility model, the filtering Net is single type.In another embodiment of the utility model, the cage is along its longitudinally, in a plurality of filtering The middle position of grid is provided with reinforcing ring.In another embodiment of the utility model, a plurality of filtering gate length can To be adjusted according to shale is different with concentration requirement needs.In another embodiment of the utility model, the filtration apparatus It can move up and down, to adjust the division to the inner space of the storage device.

In another embodiment of the utility model, in the storage device, below the filtration apparatus with its Adjacent is equipped with pressure gauge, to monitor the pressure in the sludge being concentrated.It is described in another embodiment of the utility model Further include pump into mud device, and the front end of the pump or rear end are equipped with the mixer for additive package and sludge, for pair Pending mud is mixed with additive.In another embodiment of the utility model, the sludge condensation and quenched dress Mud device can also be included back by putting, for the sludge that will be recycled from each equipment of the sludge condensation and modifying device downstream Send into the storage device of the sludge condensation and modifying device.

Brief description of the drawings

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing, so as to new to this practicality Above-mentioned and other purposes, the feature and advantage of type, which have, to be more fully appreciated and understood.In the accompanying drawings：

Fig. 1 shows one embodiment of sludge condensation and modifying device according to the present utility model；

Fig. 2 is the sectional view along the line B-B cuttings in Fig. 1；

Fig. 3 shows the filtration apparatus in Fig. 1；

Fig. 4 is the exploded view of the filter assemblies in the filtration apparatus in Fig. 3；And

Fig. 5 is another embodiment of the cage in filter assemblies.

Embodiment

It should be understood that to clearly illustrate content therein, attached drawing herein is not drawn to draw, and identical Or similar reference numeral indicates the same or similar component or part.It is moreover, it will be understood that described in this application any Embodiment and the technical characteristic included by them can be bonded to each other.

As shown in Figure 1, one embodiment it illustrates sludge condensation according to the present utility model and modifying device A.It is dirty Mud concentrates and modifying device A includes being used to receive the storage device with temporarily storage sludge.In the embodiment show in figure 1, should Storage device is container tank 1, it includes wall 101, bottom plate 102 and lid 103.Wall 101, bottom plate 102 and lid 103 together form this The inner space for being used to accommodate sludge of container tank.The container tank 1 can be made of any suitable material, such as metal material Construction material of material or such as concrete etc, etc..It is easily understood that container tank 1 can also have other any conjunctions Suitable form, for example, be arranged on ground it is recessed in reservoir.Correspondingly, such reservoir has reservoir wall, bottom and is used for Cover the lid of reservoir.In the embodiment shown in fig. 1, container tank 1 is substantially cylindrical, but container tank 1 also may be used as needed With with any suitable other shapes, such as sphere, cuboid, square etc., as long as it, which has, can accommodate the interior of sludge Portion space.The lower part of the wall 101 of container tank 1 is respectively arranged with mud inlet 2 and mud mouth 3.In the wall 101 of container tank 1 Top, positioned at the top of mud inlet 2, is additionally provided with overflow port 4, for discharging the filtrate produced in sludge handling process.Certainly, It is easily understood that mud inlet 2, mud mouth 3 and overflow port 4 can also be arranged as required to the other positions in container tank 1 Place, as long as making the position of overflow port 4 be higher than the position of mud mouth 3.Overflow port 4 can directly with sewage plant sewage disposal System connectivity, so as to which filtered fluid is directly discharged.But can also be by overflow port 4 to sky, for from the inner space of container tank 1 Discharge gas.Like this, dedicated gas outlet can be saved.Mud inlet 2 and/or mud mouth 3 can also be arranged on container tank 1 Bottom plate 102 on.Can have axis hole on the lid 103 of container tank 1, the axis hole for the device of such as blender etc rotation Axis passes through.In addition, being also provided with gas outlet 104 on lid 103, gas outlet 104 is used to arrange from the inner space of container tank 1 Go out gas.

Sludge condensation and modifying device A are further included into mud device and mud extraction device.As shown in Figure 1, into mud device include into Mud pipe 13, pump 11 and valve gear 9, mud extraction device include the first control valve 10a and sludge out pipe 14.As needed, mud extraction device It can include corresponding pump.Enters mud pipe 13 is connected to mud inlet 2, and pumps 11 and may be provided in enters mud pipe 13, can by pump 11 Sludge is pumped into container tank 1 from enters mud pipe 13 via mud inlet 2.In sludge condensation as depicted and modifying device A In, valve gear 9 is used for the feeding for controlling sludge, and valve gear 9 can be the valves such as switch, check valve, regulating valve or switch.Pass through The valve gear 9 set on into mud device, can better control over sludge and enter in container tank 1.In addition, mud inlet 2 is set , can be effective with reference into the valve gear 9 in mud device in the bottom plate 102 of the lower part of the wall 101 of container tank 1 or container tank 1 Prevent from entering sludge reflux in container tank 1 in enters mud pipe 13.As shown in Figure 1, the first control valve 10a is connected to mud mouth 3, and the first control valve 10a is also connected to sludge out pipe 14., can be by sludge via going out by the operation of the first control valve 10a Mud mouth 3 is discharged by sludge out pipe 14 from container tank 1.In addition, corresponding pump can also be set, will pass through in sludge out pipe 14 Pump and the cooperation of the first control valve 10a are stated, the sludge after concentration is arranged from container tank 1 via mud mouth 3 by sludge out pipe 14 Go out.

As shown in Figure 1, the mixer 12 of the right side of pump 11 setting can be included in into mud device.Using mixer 12, pass through Additive is added, the pending mud from such as sewer catch basin can be premixed, so that pending sludge and additive It is uniformly mixed.After being premixed, pump 11 can be started, will be transported to the mixed sludge of additive in container tank 1. In another unshowned embodiment, mixer 12 can be arranged at the position between mud inlet 2 and pump 11.This In the case of, open pump 11 and pending mud is transported in mixer 12, then by adding additive in mixer 12, make Sludge is more fully mixed with additive.When moisture percentage in sewage sludge, which reaches concentration, to be required, the feeding of additive can be stopped, by dirt Dredge pump enters in container tank 1.Certainly, so it is easy to understand that mixer 12 is not required in that.In some cases, into mud device It can not include mixer 12.

Filtration apparatus is additionally provided with the sludge condensation shown in Fig. 1 and modifying device A, for being filtered to sludge, So as to fulfill separation of solid and liquid.Filtration apparatus is arranged in container tank 1, between overflow port 4 and mud inlet 2, and close to excessive Head piece 4.In the embodiment shown in fig. 1, filtration apparatus includes support plate 5 and corresponding filter assemblies 6.In filter assemblies 6 The filter cloth that filter screen 61 can be passed through by only limiting liquid is made, and can also be biofilm material, metallic mesh, or It can be made by other materials that may be used.In sludge handling process, concentrated to shorten concentration time and improve Efficiency, can add additive, sludge with additive by being reacted, and mud granule is in additive in pending sludge Under the action of constantly flocculation conglomeration.Mud granule repels, along with due to aquation between each other per se with negative electrical charge And the combination between mud granule surface attachment water layer, further obstruction mud granule, ultimately form a stable gluey wadding Body.By adding additive into sludge, can play the role of to the sludge particle in sludge electrically in and/or adsorption bridging, The stability of sludge colloidal solid is destroyed, makes between scattered sludge little particle that mutually aggregation forms bulky grain.When sludge passes through It is liquid continuous by filtration apparatus in sludge when mud inlet 2 is continuously fed into container tank 1, and discharged by overflow port 4, Mud granule is then trapped below filtration apparatus, it is achieved thereby that quick separation of solid and liquid, further shortens concentration time.Such as Shown in Fig. 1, pressure gauge is provided with the wall 101 of container tank 1, below filtration apparatus and adjacent to the place of the filtration apparatus 15, for measuring the pressure in the sludge being concentrated.With the concentration increase for the sludge being concentrated, which also accordingly increases. Therefore, by measuring the size of pressure, it becomes possible to know the concentration profile of current sludge.When the reading of pressure gauge 15 reaches setting During value, the sludge being considered as in container tank 1 has reached desired concentration, thus can close into the pump 11 in mud device, stop Sludge is inputted again into container tank 1, completes the enrichment process to sludge.

As shown in Figure 1, sludge condensation and modifying device A further include additive feeder unit, it is used to convey additive Into container tank 1, to be mixed with completing the sludge after concentrating, so as to be carried out to it quenched.In the embodiment shown in Fig. 1 In, additive feeder unit includes the second control valve 10b and additive delivery pipe 18.Second control valve 10b is connected to container tank 1 Wall 101 on additive receiving opening 107, which is located at the lower section of filtration apparatus, and positioned at into The top of mud mouth 2.After the sludge being transported in container tank 1 has been completed to concentrate and has reached expectation concentration, second is opened Control valve 10b, so as to which added dose of delivery pipe 18 of additive, the second control valve 10b and additive receiving opening 107 are transported to It is quenched to be carried out to the sludge after concentration in the thickened sludge in container tank 1.It is to be understood that only show in Fig. 1 Show an additive delivery pipe 18 to meaning property.But those skilled in the art will readily recognize that, additive feeder unit root According to needs, the additive delivery pipe of more than one can be included, so as to which different additives is transported in storage device.

Agitating device 7 is additionally provided with the embodiment shown in fig. 1.Agitating device 7 includes rotation axis 702 and positioned at rotation The blade 701 of 702 one end of axis.In the illustrated embodiment, blade 701 is connected to one in an appropriate manner by plurality of rods shape component Rise and formed, such as by welding, being bolted, etc..It will be readily appreciated, however, that blade 701 can have it is any suitable Form, such as can also be arranged to blade（For example, screw blade）Shape.Rotation axis 702 through lid 103 axis hole and The centre bore 502 of the support plate 5 of filtration apparatus is set along the central longitudinal axis of container tank 1, and blade 701 is in container tank 1 In be configured between filtration apparatus and the bottom plate 102 of container tank 1.Rotation axis 702 passes through transmission device（Do not show in figure Go out）With power set（Also it is not shown in figure）It is connected.When needing to be stirred, start the power set to drive rotation axis 702 rotate, and rotation axis 702 is rotated with movable vane piece 701, to be stirred to sludge.

By the stirring of agitating device 7, it can speed up the reaction of sludge and additive and them is uniformly mixed.Stirring dress Put 7 to can be used for carrying out mechanical agitation to sludge in enriching stage, to contribute to the concentration to sludge, can be used for quenched Stage carries out mechanical agitation to sludge, so that the sludge after concentration is fully reacted with additive.Treat it is quenched after, stop stirring Device 7.Then, the first control valve 10a is opened so that the sludge after concentrated and quenched passes through mud mouth 3, the first control valve 10a and sludge out pipe are discharged from container tank 1, to enter sludge storage pool or lower one of mechanical dehydration process.It is but readily comprehensible It is that agitating device 7 is not required in that.According to actual conditions, stirring can not also be included in sludge condensation and modifying device Device 7.In addition, the shape and construction of the blade of agitating device 7 can also be according to the needs of actual conditions and with any suitable Other forms.

It should also be noted that in the embodiment (not shown) of the application, can not also be set on the wall 101 of container tank 1 Mud inlet 2, but into mud device enters mud pipe 13 from the top of container tank 1, such as through lid 103, and accordingly passed through Device is filtered, in a manner of the wall 101 for the container tank 1 that reclines, extends to the lower section of filtration apparatus, such as extend to the bottom of container tank 1 Near plate 102, and mud inlet 2 is then enters mud pipe 13 in this case extends to the openend below filtration apparatus, thus, it is possible to It is enough to be transported to sludge in container tank 1 below filtration apparatus.In addition, addition can not also be set on the wall 101 of container tank 1 Agent receiving opening, but make the additive delivery pipe 18 of additive feeder unit equally from the top of container tank 1, such as through lid 103, and filtration apparatus is accordingly passed through, in a manner of the wall 101 for the container tank 1 that reclines, the lower section of filtration apparatus is extended to, by Additive can be transported in container tank 1 by this below filtration apparatus, and additive opening then adds in this case Agent delivery pipe 18 is added to extend to the openend below filtration apparatus.

Thickened sludge adjusting apparatus is also shown in Fig. 1, the thickened sludge adjusting apparatus includes adjustment tank the 8, the 3rd and controls Valve 10c processed, pipeline 16 and 19, pump 16a.Adjustment tank 8 includes wall 801, bottom plate 802 and top plate 803, and is arranged about container Tank 1.Therefore, bottom plate 802 and top plate 803 are arranged to the centre bore for passing through container tank 1.Wall 801 is connected to bottom plate 802 Between top plate 803, so as to form the inner space of the receiving sludge of adjustment tank 8 together with bottom plate 802 and top plate 803.Bottom plate There is aperture 81, aperture 81 is connected to the opening on the wall 101 of container tank 1 by third control valve 10c and pipeline 16 in 802 105.Opening 105 is located at the lower part of wall 101.Pump 16a is arranged in pipeline 16, for the thickened sludge in container tank 1 to be pumped Sent into adjustment tank 8, and for the sludge adjusted in tank 8 to be returned again into container tank 1.Also there is aperture in top plate 803 82, aperture 82 is connected to the opening 106 on the wall 101 of container tank 1 by pipeline 19.Opening 106 is upper positioned at wall 101 Portion, in the top of filtration apparatus.Gas in adjustment tank 8 can be discharged by aperture 82.In another embodiment, pipeline 19 It can save, so that aperture 82 adjusts the gas in tank 8 directly to sky with discharge.Adjust and also set up on the wall 801 of tank 8 There is liquid level gauge 17, for measuring the liquid level of the sludge in adjustment tank 8.Position where sludge liquid level has arrived at liquid level gauge 71 When, stop pump 16a, meanwhile, third control valve 10c is closed, so as to stop the sludge into adjustment tank 8 after pumping concentration.

In addition, in another embodiment, thickened sludge adjusting apparatus can not also include pump 16a according to actual needs, But directly by making adjustment tank 8 relative to container tank 1 positioned at suitable height so that by means of gravity can be achieved with by Thickened sludge is sent in adjustment tank and then again discharges the thickened sludge adjusted in tank 8.For example, make the bottom of adjustment tank 8 Plate 802 is located at the lower section of the filtration apparatus in container tank 1 in height, such as positioned at the lower part of container tank 1.Thus, completion is worked as After concentration, third control valve 10c is opened, the sludge in container tank 1 can enter in adjustment tank 8 under the effect of gravity.Work as adjustment When sludge in tank 8 reaches the position at the place of liquid level gauge 17, third control valve 10c can be closed.Adjusted when needing to discharge in tank 8 During sludge, sludge that can be in first emptying receptacles tank 1 then turns on third control valve 10c, makes sludge in adjustment tank 8 from adjustment It is expelled in tank 8 in container tank 1.In one embodiment of the utility model, the bottom plate 802 positioned at adjustment tank 8 of container tank 1 The capacity in the space of lower section is greater than or equal to the capacity of adjustment tank 8 so that the sludge in adjustment tank 8 can all drain into container tank In 1.

With reference to figure 2, which show the sectional view obtained by B-B cuttings along the sludge condensation and modifying device in Fig. 1.Such as figure Shown in 2, the cross section of wall 801 for adjusting tank 8 is substantially square, and is adjusted the wall 801 of tank 8 and be connected to each other structure by four blocks of plates Into.However, it is readily appreciated that, the cross section of other shapes can also be had by adjusting the wall 801 of tank 8, such as circular.Adjustment The wall 801 of tank 8 can be made of any number of plate, can be either in the cylindrical shape or adjustment tank 8 being made of one block of plate Bottom plate 802, wall 801 and top plate 803 can also be integrally formed.It can be the other shapes such as square, circular that it is overall, which to adjust tank 8,. In addition, adjustment tank 8 can be made of any suitable material, such as the Building wood of metal material or such as concrete etc Material, etc..

Thickened sludge adjusting apparatus is used for after sludge condensation and modifying device A are completed to the concentration of sludge, permits one The thickened sludge divided is entered in adjustment tank 8, so as to need to come conditioning of mud concentration and the container of modifying device A according to quenched The amount of thickened sludge in tank 1, to obtain satisfied quenched effect.Sludge after completing quenched is dense after the discharge of mud mouth 3 Not quenched sludge in the adjustment tank 8 of contracting sludge adjusting apparatus can be fed again into sludge condensation and modifying device A's It is quenched to carry out again in container tank 1, or can be expelled directly out.In addition, enter adjustment tank 8 in thickened sludge During, the liquid level in container tank 1 can drop to the lower section of filtration apparatus.In this process, a part is not discharged from overflow port 4 Filtrate also decline therewith.These filtrates can be to the filter assemblies in filtration apparatus（Especially strainer）Washed away, removed viscous The sludge being attached on strainer.Thus, certain cleaning action is played to filtration apparatus.

A Referring now to Figure 3, implementation it illustrates the sludge condensation in Fig. 1 and the filtration apparatus in modifying device A Example.In this embodiment, filtration apparatus includes support plate 5 and filter assemblies 6.Support plate 5 is the shape for having general flat Plate, and its periphery contour is designed to adapt to the inner circumferential profile of the wall 101 of container tank 1, so as to be put into container tank 1. In support plate 5 in addition to the centre bore 502 passed through with the rotation axis 701 for agitating device 7, at least one plate is additionally provided with Hole 501, so as to during being concentrated to sludge, it is allowed to which the liquid after filtering passes through.Plate hole 501 can by rule or Brokenly arrange, and there can be any suitable shape, such as circle, triangle, polygon etc..Corresponding to support Each plate hole 501 in plate 5, correspondingly sets a filter assemblies 6, for being filtered to sludge.The filter assemblies 6 wrap Include filter screen 61 and cage 62.The filter cloth that filter screen 61 can be passed through by only limiting liquid is made, and can also be biofilm Material, metallic mesh, or be made by other materials that may be used.

As shown in figure 4, filter screen 61 includes net circle 611 and spacer screen 612, cage 62 includes fixing piece 621 and at least one Filter grid 622.However, be readily contemplated by one that, filter screen 61 can also be single type, or the fixing piece 621 and mistake What grating 622 can also be integrally formed, then or the filter screen 61, fixing piece 621 and 622 three of filter grid can also be Integrally formed.Fixing piece 621 is used to engage filter assemblies 6 at the plate hole 501 of support plate 5.Fixing piece 621 can with appoint What suitable mode is engaged at plate hole 501, for example, be bolted, weld, using the bonding of gluing effect, using suitable The locking of buckling and locking device, etc..622 one end of filter grid is fixedly attached on fixing piece 621, and the other end then passes through a connection Ring is connected to each other.Filter grid 622 is used to support and fixes filter screen 61, prevents because the pressure or impact force of sludge are made Fold, deform or block into filter screen 61.As it will be easily appreciated by one skilled in the art that the number and shape of filter grid 622 all may be used To be selected according to being actually needed；In addition, the support plate 5, filter assemblies 6 can also pass through in those skilled in the art Integral production forms.

In the embodiment show in figure 4, the quantity of filter grid 622 is three.But those skilled in the art can root Any suitable quantity and any suitable shape are selected according to actual conditions.Fig. 5 then shows the cage 62 of filter assemblies 6 Another embodiment.In this embodiment, cage 62 includes five filter grids 622, and along the longitudinally of the cage 62, At least one reinforcing ring 623 is additionally provided with intermediate position.At least one reinforcing ring 623 is fixedly connected with each filter grid, To increase the intensity of cage 62.

In the embodiment of filtration apparatus shown in Fig. 3 in the application, support plate 5 is have circular shape flat Plate.However, it could be imagined that support plate 5 can have any other suitable shape, for example, the convex-shaped of arching upwards Shape, reclinate concave shape or the curved shape of dipping and heaving.In addition, in an embodiment (not shown), filtering The length of grid 622 can be different according to shale and concentrates requirement and adjust, and can lead to according to concentration needs for the sludge of different situations Cross the filter assemblies 6 for replacing different length.

In the embodiment (not shown) of the application, sludge condensation and modifying device can also include back mud device. This time mud device includes one or more times mud entrances, returns mud outlet, gas vent and separator.It is one or more of Return mud entrance and be each connected at one end to the separator, and the sludge condensation and modifying device are connected in the other end Mud collection device in each equipment in downstream, the sludge for mud collection device to be recycled from these equipment are sent to separation In device.For example, the sludge recycled in these equipment is sent into separator using gases at high pressure.Separator is used to separate Go out the sludge being recovered, such as the sludge being recovered is isolated from the gases at high pressure for carrying sludge.In one embodiment, divide It is cyclone separator from device.In another embodiment, separator can only include to be arranged on gas flow paths In filter（For example, strainer）Device.In this case, gas flows through filter, and entrained sludge then by Filter stops, so as to be separated with gas.Go back to mud outlet and be connected at one end to separator, and sludge is connected in the other end In the container tank of concentration and modifying device, below filtration apparatus.One end of gas vent is connected to separator, another End is then connected to the top of container tank（In the top of filtration apparatus）, or it is connected to the gas circulation for recycling gases at high pressure Pipeline.Thus, gas separated with sludge is then discharged or is recovered by gas vent, and the sludge being recovered can be by It is sent in sludge condensation and modifying device and is handled.Utilize this time mud device so that sludge condensation and modifying device are not only The sludge of high-moisture percentage from sewage plant can be handled, moreover it is possible to being in down in whole Treatment of Sludge production line The sludge of each equipment of trip is handled.Thus, without added again in Treatment of Sludge production line other sludge recycling or Processing unit.This has greatly saved the expense of soil, capital construction and equipment cost etc..

In addition, in other embodiments (not shown) of the application, filtration apparatus is in storage device or container tank Position can be adjustable up and down, it is possible thereby to adjust what is limited in storage device by the bottom of filtration apparatus and storage device The size in space（In other words, division of the filtration apparatus to the inner space of storage device can be adjusted）.The size energy in the space It is enough to influence from starting to convey sludge to the time for completing to spend needed for sludge condensation.The space is bigger, and the required time is more, should Space is smaller, then the required time also can accordingly reduce.Certainly, completing the amount of the sludge of concentration can also be reduced.Therefore, used Position of the filtration apparatus in storage device can be adjusted in journey as needed.In addition, in another reality of the utility model Apply in example, filtration apparatus can also be only strainer.

Using the filtration apparatus of the utility model, the manufacture difficulty and maintenance cost of filtration apparatus can be greatly reduced. For example, support plate 5 can provide enough intensity on the whole cross-sectional area of container tank 1, to resist sludge in concentration process The pressure and impact force of middle application, deform or impaired to avoid support plate.The filtering group being bonded at the plate hole 501 of support plate 5 Part has cage 62, it provides enough intensity for filter assemblies 6, to prevent the sludge in container tank 1 to filtering The impact of component and pressure cause filter assemblies to deform or fold.Filter screen 61 includes the net circle 611 and bottom around cage 62 Net 612.Thus, filter assemblies 6 have certain extension on longitudinally, ensure that enough filter areas, The efficiency of filtering is improved, shortens the time needed for concentration.When filter assemblies damage or according to actual working condition need When replacing filter assemblies, it is only necessary to corresponding filter assemblies are removed from support plate 5 and carries out maintenance or replaces, without more Change whole filtration apparatus.This greatly reduces maintenance cost.

Since sludge has a very strong hydrophily, the moisture and mud granule combination power in sludge are strong, by adding addition Agent（For example, flocculant）The property of sludge can be changed, destroy the structure of sludge colloid, reduce the affinity with water, so as to To improve the dewatering of sludge, make mud-water separation more thorough.Therefore, when concentrated effect is undesirable, addition can be opened The second control valve 10b on agent pipeline 18 puts into the additive of such as flocculant etc into container tank 1, while optionally starts Agitating device, under being stirred continuously of agitating device, to make additive fully be reacted with sludge, so as to carry out flocculation concentration. By carrying out flocculation concentration, after making sludge reach desired concentration, then carry out quenched.

In sludge condensation according to the present utility model and modifying device, the conveying of sludge and the discharge of filtrate are in concentration Process is carried out continuously, and without waiting for sludge and the layering and precipitating of clear water, and by the way that sludge is persistently delivered in reservoir, is added The fast flocculation conglomeration or concentration of sludge.In addition, the filtration apparatus set using 1 top of container tank, by constantly conveying dirt Mud and thus carry out top filtering mode so that the concentration of sludge by natural sedimentation commonly used in the prior art passive mode It is transformed into the separation of solid and liquid by filtration apparatus and the sludge condensation process of the lasting active realized into mud, so as to greatly shorten Time needed for sludge condensation, unexpected technique effect is reached.For example, device and side by the utility model Method, time needed for sludge condensation by original 10 it is small when above falling tone to 2 it is small when within.Further, since sludge is with very strong Hydrophily, the moisture and mud granule combination power in sludge are strong, change the property of sludge by adding additive, destroy dirty The structure of earth rubber body, reduces the affinity with water, so as to improve the dewatering of sludge, makes mud-water separation more thorough. In addition, the use of thickened sludge adjusting apparatus so that can need to carry out conditioning of mud according to quenched before quenched process starts The amount of thickened sludge in the container tank 1 of concentration and modifying device A, to obtain satisfied quenched effect.Thickened sludge adjustment dress The setting around container tank 1 of adjustment tank 8 in putting so that sludge condensation according to the present utility model and adjusting apparatus can have There are compact structure and less floor space.This implementation nothing for sludge condensation according to the present utility model and modifying device It is suspected to be very favorable.

So far, those skilled in the art will appreciate that the description of above example is only illustrate the utility model excellent Scheme, rather than whole schemes of the utility model are selected, wherein, any type of modification based on the utility model above-described embodiment Or change and fall within the concept of the utility model.

Claims (25)

1. a kind of sludge condensation and modifying device, it is characterised in that including：

For receiving and accommodating the storage device of sludge, the storage device includes main body and lid, and the main body and the lid are altogether With the inner space for being used to receive and accommodate sludge for foring the storage device, it is provided with mud mouth in the main body and overflows Head piece, the mud mouth are used to discharge sludge from the storage device, and the overflow port is located above the mud mouth, is used for The filtrate produced during discharge sludge condensation；

Filtration apparatus, the filtration apparatus are arranged in the storage device, between the mud mouth and the overflow port, For being filtered to the sludge in the storage device, to realize separation of solid and liquid；

It is described to be used to sludge being transported in the storage device below the filtration apparatus into mud device into mud device；

Additive feeder unit, the additive feeder unit are used to deliver additive to institute below the filtration apparatus State in storage device, to be mixed with the sludge；

Mud extraction device, the mud extraction device are connected to the mud mouth, for discharging concentrated and adjusting from the storage device The sludge of matter；And

Thickened sludge adjusting apparatus, the thickened sludge adjusting apparatus include adjustment tank, and the adjustment tank is in the filtration apparatus Below be in fluid communication with the storage device, the thickened sludge adjusting apparatus is used to adjust according to quenched needs described The amount of thickened sludge in storage device, wherein, the adjustment tank is arranged about the main body of the storage device.

2. sludge condensation as claimed in claim 1 and modifying device, wherein, the adjustment tank is made of wall, top plate, bottom plate, Each with the centre bore that the main body of the storage device passes through is made, the top plate also has aperture for the top plate and bottom plate, its The top of the main body is connected to by pipeline, the bottom plate also has aperture, and the aperture of the bottom plate is via control valve and pipe Road is connected to the opening at the lower part of the main body of the storage device.

3. sludge condensation as claimed in claim 2 and modifying device, wherein, the wall of the adjustment tank is connected to each other by multiple plates Formed.

4. sludge condensation as claimed in claim 2 and modifying device, wherein, the wall of the adjustment tank is by a cylindrical wall or side Shape wall is formed.

5. sludge condensation as claimed in claim 2 and modifying device, wherein, the thickened sludge adjusting apparatus further includes setting Pump in the pipeline connected with the aperture of the bottom plate, the pump are used to pump thickened sludge.

6. sludge condensation as claimed in claim 1 and modifying device, wherein, the main body of the storage device is by ground The reservoir that recessed area is formed, the reservoir include reservoir wall and bottom, and the mud mouth and the overflow port are located at the storage On pool wall.

7. sludge condensation as claimed in claim 1 and modifying device, wherein, the storage device further includes mud inlet, described Mud inlet is located at below the filtration apparatus, and on the side wall of the main body or bottom, it is described to be connected to institute into mud device Mud inlet is stated, to convey sludge from the lower section of the filtration apparatus.

8. sludge condensation as claimed in claim 1 and modifying device, wherein, it is described to include enters mud pipe into mud device, it is described into Mud pipe extends to below the filtration apparatus from top to bottom in the storage device along the side wall of the main body, so as to from The lower section conveying sludge of the filtration apparatus.

9. sludge condensation as claimed in claim 1 and modifying device, wherein, the lid in the storage device further includes outlet Mouthful, for discharging the gas in the storage device.

10. sludge condensation as claimed in claim 1 and modifying device, wherein, the storage device further includes additive entrance, The additive entrance is located at below the filtration apparatus, and the additive feeder unit is connected to the additive entrance, So as to from the lower section feeding additive of the filtration apparatus.

11. sludge condensation as claimed in claim 1 and modifying device, wherein, the additive feeder unit includes additive Pipeline, the additive pipeline extend under the filtration apparatus from top to bottom in the storage device along the main body Face, so as to from the lower section feeding additive of the filtration apparatus.

12. sludge condensation as claimed in claim 1 and modifying device, agitating device is further included, the agitating device is used for pair Sludge in the storage device is stirred.

13. sludge condensation as claimed in claim 1 and modifying device, wherein, the filtration apparatus includes：

Support plate, includes at least one plate hole in the support plate；

Filter assemblies, the filter assemblies are arranged in correspondence with least one plate hole of the support plate, and including：

Cage, the cage include fixing piece and a plurality of filter grid, and the fixing piece is used for filter assemblies engagement to institute State at the plate hole of support plate, the one end of each is fixedly attached to the fixing piece in a plurality of filter grid, the other end that This connection；

Filter screen, the filter screen are fixed to the cage and surround the cage.

14. sludge condensation as claimed in claim 13 and modifying device, wherein, at least one plate hole of the support plate is in institute State and be regularly arranged in support plate.

15. sludge condensation as claimed in claim 13 and modifying device, wherein, at least one plate hole of the support plate is in institute State and brokenly arranged in support plate.

16. sludge condensation as claimed in claim 13 and modifying device, wherein, at least one plate hole of the support plate is circle Shape, triangle or polygon.

17. sludge condensation as claimed in claim 13 and modifying device, wherein, the support plate is flat plate.

18. sludge condensation as claimed in claim 13 and modifying device, wherein, the support plate has the convex of upward arching Shape or reclinate concave shape or the curved shape of dipping and heaving.

19. sludge condensation as claimed in claim 13 and modifying device, wherein, the filter screen includes net circle and spacer screen, institute State net circle and spacer screen is connected to each other, to surround the cage jointly.

20. sludge condensation as claimed in claim 13 and modifying device, wherein, the filter screen is single type.

21. sludge condensation as claimed in claim 13 and modifying device, wherein, the cage is along its longitudinally, described The middle position of a plurality of filter grid is provided with least one reinforcing ring.

22. sludge condensation as claimed in claim 13 and modifying device, wherein, a plurality of filtering gate length can be according to shale Different and concentration is required and adjusted, to need the filtering group using different length according to concentration for the sludge of different situations Part.

23. sludge condensation as claimed in claim 1 and modifying device, wherein, the filtration apparatus can as needed up and down It is mobile, to adjust the division to the inner space of the storage device.

24. sludge condensation as claimed in claim 1 and modifying device, wherein, in the storage device, in the filtering dress Put following place adjacent thereto and be equipped with pressure gauge, to monitor the pressure in the sludge being concentrated.

25. sludge condensation as claimed in claim 1 and modifying device, wherein, it is described to further include pump, and the pump into mud device Front end or rear end be equipped with mixer for additive package and sludge, for being mixed to pending mud and additive Close.