CN208917040U - A kind of Preparation equipment of the sludge substratess material based on multiphase wet oxidation - Google Patents

Abstract

The utility model relates to the environment protection treatment fields of sludge, in particular to the Preparation equipment of a kind of sludge substratess material based on multiphase wet oxidation, the each device being connected to by using pipeline, handle municipal sludge according to step along pipeline, it avoids generating toxic and harmful gas in municipal sludge treatment process, realize that the treatment process of municipal sludge has fast reaction, innoxious feature, simultaneously, it is aoxidized since sludge slurry is sprayed into oxidation reactor by spray head, municipal sludge is set to carry out wet oxidation in the gas phase, sludge slurry and the oxygen of droplet-like come into full contact with, organic matter therein comes into full contact with oxygen, oxidation is more thoroughly, have the characteristics that sludge substratess material obtained innoxious.

Description

A kind of Preparation equipment of the sludge substratess material based on multiphase wet oxidation

Technical field

The utility model relates to the environment protection treatment field of sludge, in particular to a kind of sludge base based on multiphase wet oxidation The Preparation equipment of material.

Background technique

City domestic sewage treatment plant can generate a large amount of municipal sludge in sewage disposal process, contain in municipal sludge A large amount of microorganism, humus and cellulose, and containing a large amount of pathogens, parasitic ovum and each heavy metal species and be difficult to degrade Poisonous and harmful and carcinogen, municipal sludge directly carry out discharge biggish pollution can be caused to environment, so existing city It after sludge generally passes through various drying technique processing, burned, filled, make to carry out minimizing processing to municipal sludge, still, The organic matter and evengranular inorganic matter being rich in municipal sludge are not utilized effectively in minimizing treatment process, make At the wasting of resources.

With the development of technology with the exploration of recycling sludge, current anaerobic digestion, carbonization, aerobic composting fermentation, heat The processing modes such as hydrolysis, wet oxidation, for the approach for the resource utilization that municipal sludge provides, still, due to current city The recycling treatment process of sludge is more demanding to conditions such as temperature, the pressure of processing environment, operation is more complex, to recycling at The equipment requirement of reason is also higher, it is not easy to reach satisfactory processing environment, lead to not fully achieve subtracting for municipal sludge Quantization, innoxious and stabilized processing requirement, detoxication is not thorough in the municipal sludge that makes that treated, and processed Journey is complicated, is unfavorable for the utilization and extention of the resource utilization of municipal sludge.

In conclusion there is an urgent need for a kind of technical solutions at present, solving existing city sewage sludge reclamation treatment process can not be complete The full minimizing for realizing municipal sludge, innoxious and stabilized processing requirement, harmful substance in the municipal sludge that makes that treated The technical issues of processing is not thorough, and complex disposal process, is unfavorable for the utilization and extention of the resource utilization of municipal sludge.

Utility model content

The purpose of this utility model is that: city dirt can not be fully achieved for existing city sewage sludge reclamation treatment process The minimizing of mud, innoxious and stabilized processing requirement, detoxication is not thorough in the municipal sludge that makes that treated, and Complex disposal process, the technical issues of being unfavorable for the utilization and extention of the resource utilization of municipal sludge, provide a kind of based on more The Preparation equipment of the sludge substratess material of phase wet oxidation.

To achieve the goals above, the technical solution adopted in the utility model are as follows:

A kind of Preparation equipment of the sludge substratess material based on multiphase wet oxidation, the stirring including passing sequentially through pipeline connection Device, heating device, hydrolysis device, oxidation reactor and equipment for separating liquid from solid, the agitating device are used to prepare flowable Sludge slurry, sludge slurry is sprayed into oxidation reactor by spray head to be aoxidized.

A kind of Preparation equipment of sludge substratess material based on multiphase wet oxidation of the utility model, connects by using pipeline Logical each device, handles municipal sludge according to step along pipeline, avoids having in municipal sludge treatment process Malicious pernicious gas realizes that the treatment process of municipal sludge has the characteristics that fast reaction, innoxious, simultaneously as sludge slurry It is sprayed into oxidation reactor and is aoxidized by spray head, municipal sludge is made to carry out wet oxidation, the dirt of droplet-like in the gas phase Material-mud comes into full contact with oxygen, and organic matter therein comes into full contact with oxygen, and oxidation more thoroughly, makes sludge substratess material obtained Have the characteristics that innoxious.

Preferably, the oxidation reactor is connected with making oxygen by air separation machine, the making oxygen by air separation machine is the oxidation reaction Device provides oxygen.It uses making oxygen by air separation machine in real time to provide oxygen in oxidation reactor, easier maintains in oxidation reactor High concentration and with certain pressure oxygen, facilitate the organic matter in sludge slurry fully oxidized.

Preferably, it is provided with delivery pump and check valve on pipeline between the agitating device and heating device, it is described The valve for controlling pipeline conducting and/or truncation is provided on pipeline between hydrolysis device and oxidation reactor.It is arranged defeated Send pump and check valve, make after mixing evenly sludge slurry obtained smoothly enter in heating device and heated, and by Sludge slurry is closed in heating device and hydrolysis device by the effect of check valve and valve, during airtight heating, Moisture in sludge slurry constantly evaporates, and forms the saturated vapour pressure with certain pressure, and with the increase of heating temperature Saturated vapor pressure increases, and is conducive to for sludge slurry being conveyed into hydrolysis device and carries out heat preservation hydrolysis, improves for conveying sludge The hydrolysis saturated vapour pressure of slurry, makes when valve opening, conveys sludge by itself hydrolysis saturated vapour pressure of sludge slurry Slurry is sprayed into oxidation reactor by spray head, is oxidized the organic matter in sludge slurry more thoroughly, meanwhile, because of city Colloid, extracellular polymeric, larger molecular organics in sludge etc. are fully hydrolyzed, ensure that subsequent oxidation process it is quick into Row.

Preferably, the oxidation reactor includes at least one reactor tank, pass through gas pipeline at the top of the reactor tank It is connected to agitating device, bottom is connected to by discharge pipe with equipment for separating liquid from solid, is provided at least one on the inside of the reactor tank A spray head being connected to hydrolysis device.It is connected to, is made with agitating device by gas pipeline by setting reactor tank and by reactor tank It obtains the high-temperature steam that sludge slurry generates in reactor tank to enter in agitating device by gas pipeline, not only increase in agitating device Moisture, facilitate the preparation of sludge slurry, and high-temperature steam is made to preheat municipal sludge, make the sludge into heating device Slurry has had certain temperature, reduces the waste of heating resource, energy saving, meanwhile, by reaction pot bottom and solid-liquid point It is connected to from device by discharge pipe, is steamed so that coming into full contact with the sludge slurry after aoxidizing with oxygen in oxidation reactor in moisture The unification of reaction pot bottom, which is dropped into, by self gravity after hair is conveyed into equipment for separating liquid from solid progress drying and other treatment, side along discharge pipe Just the collection and conveying of sludge slurry.

Preferably, being provided with barrier in the reactor tank, several through-holes, the spray head are provided on the barrier Sludge slurry is sprayed towards the barrier, makes sludge slurry being attached on the barrier in droplet-like, forms several dirts Mud drop.Barrier is set in reactor tank, since the sludge slurry sprayed from spray head has more moisture, is easy attached On barrier, and be gathered into the sludge drop with certain size, facilitate sludge slurry can rest on barrier with oxygen The oxygen changed in reactor comes into full contact with, and extends the time of contact of organic matter and oxygen in sludge slurry, carries out oxidation process More thoroughly.

Preferably, the spray head sprays sludge towards the barrier from lower to upper.Using the spray of spray head from lower to upper Sludge slurry is spilt, the residence time in reactor tank is further increased from the sludge slurry sprayed in spray head, makes oxidation process Progress is more thorough, and innoxious sludge substratess material is made.

Preferably, the through-hole diameter is 5-20mm.Through-hole aperture on barrier is larger, is on the one hand conducive to part Sludge slurry is passed through from through-hole when impacting barrier, and is rested on barrier, on the other hand also avoids barrier dirty Small fiber blocking in mud, and will not influence the proper flow of oxygen in oxidation reactor.

Preferably, be connected between adjacent reaction tank by pipeline when the quantity of reactor tank is two or more, Along the conveying direction of material, oxygen pressure successively decreases step by step in adjacent reaction tank, and the spray head is provided in each reactor tank And barrier.Oxygen pressure in reactor tank is set as successively decreasing step by step, is conducive to the normal work of spray head He other devices, makes this The service life of equipment of structure is longer, meanwhile, make sludge slurry during continuous decrease temperature and pressure, by different temperature and The environment of pressure realizes the gas phase oxidation process of municipal sludge, carries out oxidation process more thorough.

Preferably, being atmospheric pressure along the last one reactor tank of material conveying direction.Most by material conveying direction The latter reaction pressure inside the tank is set as atmospheric pressure, the convenient collection that sludge slurry is carried out in the last one reactor tank, the side of making Just the solid-liquid separation treatment concentrated facilitates the preparation of sludge substratess material.

In conclusion by adopting the above-described technical solution, a kind of dirt based on multiphase wet oxidation of the utility model The beneficial effect of the Preparation equipment of mud substratess material is:

1, each device being connected to by using pipeline, handles municipal sludge according to step along pipeline, avoids Toxic and harmful gas is generated in municipal sludge treatment process, realizes that the treatment process of municipal sludge has fast reaction, innoxious The characteristics of；

2, sludge slurry is sprayed into oxidation reactor by spray head and is aoxidized, carry out municipal sludge in the gas phase Wet oxidation, sludge slurry and the oxygen of droplet-like come into full contact with, and organic matter therein comes into full contact with oxygen, aoxidize more thorough Bottom has the characteristics that sludge substratess material obtained innoxious.

Detailed description of the invention

Fig. 1 is a kind of structural representation of the Preparation equipment of sludge substratess material based on multiphase wet oxidation of the utility model Figure；

Fig. 2 is the structural schematic diagram of barrier described in the utility model；

Fig. 3 is a kind of structural schematic diagram of the Preparation equipment of sludge substratess material based on multiphase wet oxidation of embodiment 3；

Fig. 4 is a kind of flow diagram of the preparation method of sludge substratess material based on multiphase wet oxidation of embodiment 4.

Appended drawing reference

1- agitating device, 2- heating device, 3- hydrolysis device, 4- oxidation reactor, 41- reactor tank, 42- gas pipeline, 43- discharge pipe, 5- equipment for separating liquid from solid, 6- pipeline, 61- delivery pump, 62- check valve, 63- valve, 7- barrier, 71- are logical Hole, 8- making oxygen by air separation machine, 9- spray head.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically Embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to solve The utility model is released, is not used to limit the utility model.

Embodiment 1

As shown in Figs. 1-2, a kind of Preparation equipment of the sludge substratess material based on multiphase wet oxidation, including pass sequentially through pipe Agitating device 1, heating device 2, hydrolysis device 3, oxidation reactor 4 and the equipment for separating liquid from solid 5 that road 6 is connected to, the stirring dress It sets 1 and is used to prepare flowable sludge slurry, sludge slurry is sprayed into oxidation reactor 4 by spray head 9 and is aoxidized.

A kind of Preparation equipment of sludge substratess material based on multiphase wet oxidation of the present embodiment connects by using pipeline 6 Logical each device makes municipal sludge along 6 closed conveying of pipeline, is handled according to step, avoided in municipal sludge treatment process Toxic and harmful gas is generated in the environment, realizes the innoxious of the treatment process of municipal sludge, simultaneously as sludge slurry passes through Spray head 9 is sprayed into oxidation reactor 4 and is aoxidized, and municipal sludge is made to carry out wet oxidation in the gas phase, sufficiently connects with oxygen Touching, organic matter therein come into full contact with oxygen, and oxidation more thoroughly, keeps sludge substratess material obtained innoxious, the present embodiment is excellent Choosing is used using premix pulping device as agitating device 1, municipal sludge and water is sufficiently stirred in premix pulping device, removal is big Fibrous matter keeps sludge slurry obtained homogeneous, more conveniently carries out smoothly flowing conveying by pipeline 6, preferably adopts With the interior heater for setting coil pipe conveying sludge slurry, extends residence time of the sludge slurry in the heated perimeter of heater, make Sludge slurry temperature is easier heated to higher temperature, and selective hydrolysis device 3 uses can-like structure, in hydrolysis device 3 Rabbling mechanism is set, overturns sludge slurry constantly in heat preservation hydrolytic process, colloid therein, extracellular polymeric, big point Sub- organic matter etc. is fully hydrolyzed, and is also facilitated the saturated vapour pressure for generating and having certain pressure intensity, is facilitated the conveying of sludge slurry.

Preferably, the oxidation reactor 4 is connected with making oxygen by air separation machine 8, and the making oxygen by air separation machine 8 is the oxidation reaction Device 4 provides oxygen.Making oxygen by air separation machine 8 is used to provide oxygen in oxidation reactor 4, easier to maintain oxidation reactor in real time High concentration in 4 and the oxygen with certain pressure facilitate the organic matter in sludge slurry sufficiently to carry out wet type oxygen in the gas phase Change.

Preferably, it is provided with delivery pump 61 and check valve 62 on the pipeline 6 between the agitating device 1 and heating device 2, The valve for controlling the conducting of pipeline 6 and/or truncation is provided on pipeline 6 between the hydrolysis device 3 and oxidation reactor 4 63.Delivery pump 61 and check valve 62 are set, make after mixing evenly sludge slurry obtained smoothly enter in heating device 2 and carry out Heat treatment, and by the effect of check valve 62 and valve 63, sludge slurry is enclosed in heating device 2 and hydrolysis device 3, During airtight heating, the moisture in sludge slurry constantly evaporates, and forms the saturated vapour pressure with certain pressure, and Increase with the increase saturated vapor pressure of heating temperature, is on the one hand conducive to that sludge slurry is conveyed into hydrolysis dress by delivery pump 61 It sets and carries out heat preservation hydrolysis in 3, on the other hand improve the saturated vapour pressure for conveying sludge slurry, make when valve 63 is opened, Sludge slurry is conveyed by the saturated vapour pressure that the heating of sludge slurry generates to be sprayed into oxidation reactor 4 by spray head 9, makes dirt Organic matter in material-mud is oxidized more thoroughly, meanwhile, but also colloid, extracellular polymeric in municipal sludge, macromolecular have Machine object etc. is fully hydrolyzed, and guarantees going on smoothly for subsequent oxidation process.

Preferably, the oxidation reactor 4 includes at least one reactor tank 41, passes through appendix at the top of the reactor tank 41 Road 42 is connected to agitating device 1, and bottom is connected to by discharge pipe 43 with equipment for separating liquid from solid 5, is set on the inside of the reactor tank 41 It is equipped at least one spray head 9 being connected to hydrolysis device 3.Pass through gas pipeline 42 by setting reactor tank 41 and by reactor tank 41 It is connected to agitating device 1, so that the high-temperature steam that sludge slurry generates in reactor tank 41 enters stirring dress by gas pipeline 42 It sets in 1, not only increases the moisture in agitating device 1, facilitate the preparation of sludge slurry, and high-temperature steam is made to preheat city Sludge makes the sludge slurry into heating device 2 have certain temperature, reduces the waste of heating resource, energy saving, Meanwhile being connected to 41 bottom of reactor tank and equipment for separating liquid from solid 5 by discharge pipe 43, so that in oxidation reactor 4 and oxygen It is unified along discharge nozzle that sludge slurry after coming into full contact with oxidation is dropped into 41 bottom of reactor tank by self gravity after moisture evaporation Road 43 is conveyed into equipment for separating liquid from solid 5 and carries out drying and other treatment, facilitates the collection and conveying of sludge slurry.

Embodiment 2

As shown in Figure 1-3, a kind of Preparation equipment of sludge substratess material based on multiphase wet oxidation of the present embodiment, structure Same as Example 1, difference is: the spray head 9 is spiral nozzle, is provided at least one barrier in the reactor tank 41 7, several through-holes 71 are provided on the barrier 7, the spray head 9 sprays sludge towards the barrier 7 from lower to upper, makes dirt Material-mud is attached on the barrier 7 in droplet-like, forms several sludge drops.

The Preparation equipment of a kind of sludge substratess material based on multiphase wet oxidation of the present embodiment, by for being connected to water Spiral nozzle is installed in the pipeline 6 for solving device 3 and reactor tank 41, one end in reactor tank 41, avoids the blocking spray of sludge slurry First 9, guarantee the smooth sprinkling of sludge slurry, meanwhile, will continuously it be become smaller on sludge slurry and spiral nozzle by spiral nozzle Helicoid is tangent with after collision, becomes the lesser mist of diameter, increases the high-concentration oxygen in sludge slurry and oxidation reactor 4 Contact area and time of contact, so that sludge slurry is sufficiently rapidly performed by oxidation reaction, meanwhile, by spiral nozzle using upward The mode of injection is installed, make spray head 9 from lower to upper towards barrier 7 spray sludge slurry, due to being sprayed from spray head 9 Sludge slurry out has more moisture, is liable to stick on barrier 7, and be gathered into the sludge liquid with certain size Drop, facilitates sludge slurry that can rest on barrier 7 and comes into full contact with the oxygen in oxidation reactor 4, and increase sludge slurry Residence time in reactor tank 41 extends the time of contact of organic matter and oxygen in sludge slurry, carries out oxidation process more Thoroughly, and it is further ensure to be made innoxious sludge substratess material, meanwhile, in stopping the sludge drop on plate 7 Moisture is constantly issued additional, and sludge drop is influenced to be easier to be disconnected with barrier 7 by self gravity, falls to 41 bottom of reactor tank Centralized collection transfer is carried out, the preparation of sludge substratess material is further facilitated.

Preferably, 71 diameter of through-hole is 5-20mm, preferably 15mm.71 aperture of through-hole on barrier 7 is larger, and one Aspect is conducive to partial sludge slurry and passes through from through-hole 71 when impacting barrier 7, and rests on barrier 7, another party Face also avoids barrier 7 from being blocked by the small fiber in sludge, and will not influence the proper flow of oxygen in oxidation reactor 4.

Embodiment 3

As shown in Figure 1-3, a kind of Preparation equipment of sludge substratess material based on multiphase wet oxidation of the present embodiment, structure Same as Example 2, difference is: including two reactor tanks 41, being connected between adjacent reaction tank 41 by pipeline 6, along material Conveying direction, oxygen pressure successively decreases step by step in adjacent reaction tank 41, and 9 He of spray head is provided in each reactor tank 41 Barrier 7.

The Preparation equipment of a kind of sludge substratess material based on multiphase wet oxidation of the present embodiment, by will be in reactor tank 41 Oxygen pressure is set as successively decreasing step by step, is conducive to the normal work for avoiding spray head 9 He other devices, uses the equipment of the structure It lasts a long time, meanwhile, make sludge slurry during continuous decrease temperature and pressure, it is real by the environment of different temperature and pressures The gas phase oxidation process of existing municipal sludge carries out oxidation process more thorough.

It preferably, is atmospheric pressure along the last one reactor tank 41 of material conveying direction.Most by material conveying direction Pressure is set as atmospheric pressure in the latter reactor tank 41, and the convenient concentration that sludge slurry is carried out in the last one reactor tank 41 is received Collection, makes to facilitate the solid-liquid separation treatment concentrated, facilitates the preparation of sludge substratess material.

Embodiment 4

As shown in Figs 1-4, the present embodiment proposes a kind of dirt based on multiphase wet oxidation on the basis of embodiment 1-3 The preparation method of mud substratess material, specifically comprises the following steps: step 1: preparing sludge slurry: mixing municipal sludge and water, stirring Uniformly obtained sludge slurry, the moisture content of the sludge slurry are 80%-99%；Step 2: heating sludge slurry: heating stepses 1 are made Sludge slurry is obtained, the temperature of the sludge slurry after heating is 180 DEG C -300 DEG C；Step 3: hydrolyzing sludge slurry: step 2 being heated Sludge slurry afterwards keeps the temperature hydrolysis, soaking time 15-60min；Step 4: oxidized sludge slurry: by the sludge after step 3 hydrolysis Slurry is sprayed into oxidation reactor by spray head 9 and is aoxidized, and is filled with oxygen in the oxidation reactor；Step 5: solid-liquid Separation: the sludge slurry after the oxidation of collection step 4 obtains solid sludges substratess material, the solid sludges after removing excessive moisture The moisture content of substratess material is 30%-50%.

The preparation method of a kind of sludge substratess material based on multiphase wet oxidation of the present embodiment, in advance in agitating device 1 Sludge slurry homogeneous, with preferable mobility is made in middle add water and stir municipal sludge, and sludge slurry is made to exist along pipeline 6 Enter the interior heating device 2 for being equipped with coil pipe under the action of delivery pump 61, sludge slurry is made to be heated device 2 when moving along coil pipe Heating, make sludge slurry temperature with higher, then be conveyed into hydrolysis device 3 and carry out heat preservation hydrolysis, due in heating device 2 It is provided with check valve 62 between agitating device 1, valve 63 is provided between hydrolysis device 3 and oxidation reactor 4, so that dirty Material-mud is in closed state in heating and hydrolytic process, and the moisture that the evaporation and hydrolysis of its own moisture generate is filled in hydrolysis The saturated vapour pressure for generating in 3 and there is certain pressure value is set, is made when valve 63 is opened, sludge slurry is in itself saturated vapour pressure Under the action of quickly conveyed, from spray head 9 sprinkling enter oxidation reactor in, reduce sludge slurry transmission process expend The energy, simultaneously as being filled with the oxygen of higher concentration in oxidation reactor 4, sludge slurry is sprayed into oxidation instead by spray head 9 It answers and carries out oxidation reaction in device 4, realize sludge slurry being uniformly distributed in oxidation reactor 4, increase having in municipal sludge The contact area of oxygen in machine object and oxidation reactor 4, makes the wet oxidation reaction for completing sludge slurry in the gas phase, due to The diffusion effect of substance is preferable in the gas phase, so that the wet oxidation of organic matter is different from and existing carries out in water in sludge slurry Wet oxidation process, do not limited by the contact area of the solubility of oxygen and oxygen and organic matter, it is anti-to improve wet oxidation The efficiency answered, reduces oxidization time, sufficiently removes the harmful organisms such as viral germ, the helminth in municipal sludge, makes to be made Sludge substratess material have the characteristics that it is innoxious and stable, can be used for papermaking, building materials, Agricultural Materials, soil improvement, compost addition Various uses, the scope of applications such as material are wider.

Preferably, outer to the progress of sludge slurry in the pipeline 6 of conveying sludge slurry using electromagnetic heating and/or microwave heating Heat exchange heating is realized and is heated in the closed state to the heating of sludge slurry, generate the treatment process of sludge slurry will not It pollutes the environment, there is innoxious and stability, meanwhile, sludge slurry is easy to accomplish passes through dirt for heating in the closed state The steam that material-mud is generated by thermal evaporation and hydrolysis forms the saturated vapour pressure with certain pressure intensity, is conducive to steam by the saturation Automatically moving for air pressure driving sludge slurry, further facilitates the conveying of sludge slurry.

Preferably, the oxygen concentration in the oxidation reactor 4 is greater than 80%, oxygen pressure 0.01MPa-2MPa.Oxidation is anti- It answers the high-concentration oxygen in device 4 that sludge slurry is made to spray the sludge drop to be formed to come into full contact with oxygen, oxidation is relatively sufficiently thorough, Further make the innoxious sludge substratess material that is made of fast and stable, meanwhile, oxygen pressure is limited in a wider range, It makes it easy to maintain the oxygen pressure in oxidation reactor 4 in the range, to facilitate the fast of sludge slurry in oxidation reactor Speed oxidation.

Preferably, solid-liquid separation method described in step 5 includes at least one of filtering, centrifugation, plate compression.According to Preparation condition removes the moisture in oxidized sludge slurry using suitable equipment for separating liquid from solid 5, makes to be made with suitable Moisture content sludge substratess material convenient to use, isolated liquid can return to sewage plant or separately set water treatment facilities and be handled It is discharged again after up to standard, facilitates the preparation of sludge substratess material.

Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, to the greatest extent Pipe this specification has been carried out detailed description to the utility model referring to the above embodiments, but the utility model is not limited to Above-mentioned specific embodiment, therefore any pair of the utility model is modified or equivalent replacement, and all do not depart from utility model Spirit and scope technical solution and its improvement, should all cover in the scope of the claims of the utility model.

Claims (8)

1. a kind of Preparation equipment of the sludge substratess material based on multiphase wet oxidation, it is characterised in that: including passing sequentially through pipeline Agitating device (1), heating device (2), hydrolysis device (3), oxidation reactor (4) and the equipment for separating liquid from solid (5) of connection, it is described Agitating device (1) is used to prepare flowable sludge slurry, and the oxidation reactor (4) is connected with making oxygen by air separation machine (8), sludge Slurry is sprayed into oxidation reactor (4) by spray head (9) and is aoxidized.

2. Preparation equipment as described in claim 1, it is characterised in that: the oxidation reactor (4) is connected with making oxygen by air separation machine (8), the making oxygen by air separation machine (8) is that the oxidation reactor (4) provide oxygen.

3. Preparation equipment as described in claim 1, it is characterised in that: between the agitating device (1) and heating device (2) Delivery pump (61) and check valve (62), the pipe between the hydrolysis device (3) and oxidation reactor (4) are provided on pipeline (6) The valve (63) for controlling pipeline (6) conducting and/or truncation is provided on road (6).

4. Preparation equipment as described in claim 1, it is characterised in that: the oxidation reactor (4) includes at least one reaction Tank (41), reactor tank (41) top are connected to by gas pipeline (42) with agitating device (1), and bottom passes through discharge pipe (43) it is connected to equipment for separating liquid from solid (5).

5. Preparation equipment as claimed in claim 4, it is characterised in that: be provided with barrier (7), institute in the reactor tank (41) It states and is provided on barrier (7) several through-holes (71), the spray head (9) sprays sludge slurry towards the barrier (7), makes dirt Material-mud is attached on the barrier (7), forms several sludge drops.

6. Preparation equipment as claimed in claim 5, it is characterised in that: the spray head (9) is from lower to upper towards the barrier (7) sludge is sprayed.

7. Preparation equipment as claimed in claim 6, it is characterised in that: the spray head (9) is spiral nozzle.

8. the Preparation equipment as described in claim 4-7 any one, it is characterised in that: when the quantity of reactor tank (41) is two Or when more than two, it is connected between adjacent reaction tank (41) by discharge pipe (43), along the conveying direction of material, adjacent reaction Tank (41) interior oxygen pressure successively decreases step by step.