CN115591501A - Two-phase reaction and reactor with three-phase separation function - Google Patents
Two-phase reaction and reactor with three-phase separation function Download PDFInfo
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- CN115591501A CN115591501A CN202211507995.1A CN202211507995A CN115591501A CN 115591501 A CN115591501 A CN 115591501A CN 202211507995 A CN202211507995 A CN 202211507995A CN 115591501 A CN115591501 A CN 115591501A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00018—Construction aspects
- B01J2219/0002—Plants assembled from modules joined together
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a reactor with two-phase reaction and three-phase separation function, which comprises: a reactor module body mounted in the reaction tank body; one side of a gas release reaction area in the reactor is connected with a water inlet pipeline/channel, and the other side of the gas release reaction area is connected with one side of a mud-water separation/return flow water distribution area through a gas lifting flow gallery and a mud-water falling flow gallery; a sludge discharge gallery is arranged on the other side of the mud-water separation/reflow flow water distribution area and is connected with a sludge discharge pipeline; the mud-water separation/return flow water distribution area is sequentially communicated with the upper mud-water separation area and the upper clear water area, the clear water area is connected with the water outlet pipeline, and the mud-water separation/return flow water distribution area is also connected with the gas release reaction area through a mud-water mixed liquid return pipe. The invention can obviously improve the integration level and the space utilization rate of the reactor, has definite vertical function partition, simple structure, compact layout and high overall reactor integration level.
Description
Technical Field
The invention relates to the technical field of sewage or waste gas treatment or component reaction separation, in particular to a reactor with two-phase reaction and three-phase separation function.
Background
The equipment is simple and standardized in structural design, and the processing and manufacturing process is simple and standardized, and is easy for batch production. The energy-saving and consumption-reducing level of the equipment in the comprehensive use process is obviously improved, the integration level and the space utilization rate of the equipment are improved to enhance the land economy of the equipment, the functional universality of the equipment is improved to adapt to different processing function requirements of different biochemical treatment, crystallization separation treatment, air component absorption treatment and the like, the scale changeability of the equipment is improved to quickly respond to different processing scale scenes, the quick independent disassembly and assembly of the equipment is realized, the repeated recycling use possibility of the equipment is improved, and the like, so that the equipment becomes a pain point and a difficulty for preparing modularized application development.
The existing modular reactor, especially the modular biochemical reactor, has the problems of single function, incompact vertical design structure, insufficient installation and operation convenience, inadaptation to large-scale assembly and use scenes and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a reactor which has modular standard design, simple structure, high integration level, strong economy, wider function and scale applicability, two-phase reaction and three-phase separation function.
The invention discloses a reactor with two-phase reaction and three-phase separation function, which comprises: a reactor module body mounted in a reactor tank body;
the reactor comprises a gas release reaction area, a mud-water separation/backflow flat water distribution area, a mud-water separation area and a clear water area which are arranged from bottom to top in sequence;
one side of the gas release reaction area is connected with the water inlet pipeline/channel, and the other side of the gas release reaction area is connected with one side of the mud-water separation/return flow water distribution area through a gas lifting flow gallery and a mud-water falling flow gallery; a sludge discharge gallery is arranged on the other side of the mud-water separation/reflow flow water distribution area and is connected with a sludge discharge pipeline;
the mud-water separation/return flow water distribution area is sequentially communicated with the mud-water separation area and the clear water area above the mud-water separation/return flow water distribution area, the clear water area is connected with the water outlet pipeline, and the mud-water separation/return flow water distribution area is also connected with the gas release reaction area through a mud-water mixed liquid return pipe.
As a further improvement of the invention, the reactor module body comprises a first structural plate, a second structural plate and a fourth structural plate, and the outer wall plate of the reactor body is a third structural plate;
the first structural plate is an outer side wall plate of the reactor module body, the second structural plate is an inner partition plate and a support plate of the reactor module body, the fourth structural plate is another side wall plate and a bottom wall plate of the reactor module body, and the fourth structural plate is composed of an upper vertical plate, a horizontal bottom plate and a lower inclined plate which are sequentially connected; wherein the content of the first and second substances,
the first structural plate is sequentially provided with the water outlet pipeline, the sludge discharge pipeline and the water inlet pipeline/channel from top to bottom, a gas release reaction area is formed between a bottom plate of the third structural plate and a horizontal bottom plate of the fourth structural plate, a sludge-water separation area is formed between a side plate of the third structural plate and an upper vertical plate of the corresponding fourth structural plate, a sludge-water descending gallery is formed between an upper vertical plate of the fourth structural plate and a second structural plate, a sludge-water separation area is formed between the second structural plate and the first structural plate, a sludge-water separation area is formed between the sludge-water separation area and the horizontal bottom plate of the fourth structural plate, a sludge-water separation/return flow distribution area is formed above the sludge-water separation area, a sludge discharge gallery is formed between a lower inclined plate of the fourth structural plate and the first structural plate, and a sludge-water mixed liquid return pipe is vertically arranged on the horizontal bottom plate of the fourth structural plate and is located at the tail end of the sludge-water separation/return flow distribution area.
As a further improvement of the invention, when the first structural plate and the other side plate of the third structural plate are co-walled, the reactor is a one-piece structural module; when the other side plate of the first structural plate and the third structural plate is not the same wall, the reactor is a split structural module.
As a further improvement of the invention, when the reactor is a split structural module, the reactor module body is supported and fixed on the mounting support beam/column through the mounting and fixing structural member and the corresponding mounting and fixing hole, so as to realize the mounting of one reactor or the horizontal combination and assembly of a plurality of reactors.
As a further improvement of the invention, a gas releaser is arranged in the gas release reaction area, and preferably, the gas releaser is arranged on the bottom plate of the third structural plate; the liquid phase medium to be treated or separated from the components to be reacted enters the gas release reaction area through the water inlet pipeline/channel, the gas phase medium to be treated or separated from the components to be reacted enters the gas release reaction area through the gas releaser, and the gas-liquid two-phase medium is fully mixed and reacted in the gas release reaction area to generate part of suspended matter (sludge) solid phase substances.
As a further improvement of the invention, the lower part of the air-lift flow corridor is provided with an air-lift power releaser, the liquid level at the top of the air-lift flow corridor is a liquid level A, is higher than the top elevation of the upper vertical plate of the fourth structural plate and is lower than the top elevation of the third structural plate;
the top liquid level of the muddy water downflow gallery is a liquid level B, is lower than the top elevations of the upper vertical plate of the fourth structural plate and the second structural plate, and is also lower than the liquid level A;
the liquid level of the clear water area is a liquid level C which is lower than the liquid level B.
As a further improvement of the invention, an inclined plate or a packed bed is arranged in the mud-water separation zone, the inclined plate or the packed bed is arranged between the first structural plate and the second structural plate, and the spatial region of the inclined plate or the packed bed is the mud-water separation zone, and the packed bed comprises, but is not limited to, a biological packing filter bed and a multi-media active adsorption filter bed.
As a further improvement of the present invention, the top inlet of the mud-water mixture return pipe is higher than the horizontal bottom plate of the fourth structural plate by a certain distance (for example, 8 cm), and the bottom outlet of the mud-water mixture return pipe is located near the water inlet pipe/channel.
As a further improvement of the invention, the water outlet pipeline is arranged in the middle of the clean water area, and the sludge discharge pipeline is arranged at the middle lower part of the sludge discharge corridor; the water outlet pipelines of one or more reactors are connected with the water collecting outlet through soft pipelines, hard pipelines or communication channels.
As a further improvement of the invention, the water treatment amount is 50 to 500m 3 The small water treatment project of/d is a reactor which selects two-phase reaction in a form of a connected structure module and has a three-phase separation function; for the treated water amount more than 1000m 3 The large water treatment project of the/d is a reactor which selects two-phase reaction in a split structure module form and has a three-phase separation function.
Compared with the prior art, the invention has the beneficial effects that:
the invention can obviously improve the integration level and the space utilization rate of the reactor, has definite vertical function partition, simple structure, compact layout and high overall reactor integration level; the independent sedimentation tank, sludge backflow and sludge discharge power equipment can be omitted, the unit configuration is further simplified, the cost is saved, the occupied area is saved, and the equipment investment and the operation economy are improved; through the simple and low-cost structural design of reasonable height difference of the mud-water mixed liquid return pipe, the problems of independent partition and mud discharging concentration of the mixed liquid return pipe and the mud discharging channel can be solved; by the air-lift backflow design of the air-lift flow corridor, high-rate muddy water backflow of the reactor is ensured at low power cost; the method can be generally used for the pollution standard-reaching treatment of sewage or waste gas, or the reaction treatment scene of multi-phase mixed reaction such as the reaction separation of gas-liquid phase effective components and the like and high-efficiency three-phase separation.
Drawings
FIG. 1 is a schematic structural diagram of a two-phase reaction reactor with three-phase separation function disclosed in example 1 of the present invention;
FIG. 2 is a schematic structural diagram of a two-phase reaction reactor with three-phase separation function disclosed in example 2 of the present invention;
FIG. 3 is a top view of a two-phase reactor with three-phase separation according to the present invention, as disclosed in example 2.
In the figure:
1. a reactor module body; 2. a gas release reaction zone; 3. a mud-water separation zone; 4. lifting the flow corridor by air; 5. a slurry descending gallery; 6. a sloping plate; 7. a clear water zone; 8. a sludge discharge corridor; 9. a water inlet pipe/channel; 10. a water outlet pipeline; 11. a sludge discharge pipeline; 12. a gas releaser; 13. gas stripping power releaser; 14. a water outlet is collected; 15. a mud-water separation/return flow water distribution area; 16. a mud-water mixed liquid return pipe;
20. a first structural panel; 21. a second structural panel; 22. a third structural panel; 23. a fourth structural panel; 24. mounting a fixed structural part; 25. mounting a support beam/column; 26. and installing a fixing hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
example 1:
as shown in fig. 1, the present invention provides a reactor with two-phase reaction and three-phase separation function, wherein the reactor is a connected structure module; the method is suitable for the reaction and separation processes of various gas-liquid-solid three-phase media such as contact oxidation, contact adsorption or chemical reaction precipitation, and the like, and is suitable for standard treatment of gas-liquid two-phase medium contaminated fluid or gas-liquid contact reaction and separation of multi-component fluid and the like; it includes: the reactor comprises a reactor module body 1, wherein the reactor module body 1 is arranged in a reaction tank body; wherein the content of the first and second substances,
the reactor comprises a gas release reaction zone 2, a mud-water separation/reflux advection water distribution zone 15, a mud-water separation zone 3 and a clear water zone 7 which are arranged from bottom to top in sequence; one side of the gas release reaction zone 2 is connected with a water inlet pipeline/channel 9, and the other side is connected with one side of a mud-water separation/reflux advection water distribution zone 15 through a gas lifting flow corridor 4 and a mud-water descending flow corridor 5; a sludge discharge gallery 8 is arranged on the other side of the mud-water separation/reflux advection water distribution area 15, and the sludge discharge gallery 8 is connected with a sludge discharge pipeline 11; the mud-water separation/reflux advection water distribution area 15 is communicated with the upper mud-water separation area 3 and the upper clear water area 7 in sequence, the clear water area 7 is connected with the water outlet pipeline 10, and the mud-water separation/reflux advection water distribution area 15 is also connected with the gas release reaction area 2 through a mud-water mixed liquid return pipe 16. Specifically, the method comprises the following steps:
the reactor module body 1 comprises a first structural plate 20, a second structural plate 21 and a fourth structural plate 23, the outer wall plate of the reactor body is a third structural plate 22, and the first structural plate 20 and the third structural plate 22 are in the same wall. The first structural plate 20 is an outer side wall plate of the reactor module body 1, the second structural plate 21 is an inner partition plate and a support plate of the reactor module body 1, the fourth structural plate 23 is another side wall plate and a bottom wall plate of the reactor module body 1, and the fourth structural plate 23 is composed of an upper vertical plate, a horizontal bottom plate and a lower inclined plate which are sequentially connected, as shown in fig. 1. The first structural plate 20 is sequentially provided with a water outlet pipeline 10, a sludge discharge pipeline 11 and a water inlet pipeline/channel 9 from top to bottom, a gas release reaction area 2 is formed between a bottom plate of a third structural plate 22 and a horizontal bottom plate of a fourth structural plate 23, the gas release reaction area 2 is connected with the water inlet pipeline/channel 9 at the middle lower part, a gas lifting flow corridor 4 is formed between a side plate of the third structural plate 22 and an upper vertical plate of the corresponding fourth structural plate 23, a sludge-water descending flow corridor 5 is formed between the upper vertical plate of the fourth structural plate 23 and a second structural plate 21, a sludge-water separation area 3 is formed between the second structural plate 21 and the first structural plate 20, a sludge-water separation/backflow advection water distribution area 15 is formed between the sludge-water separation area 3 and the horizontal bottom plate of the fourth structural plate 23, a clear water area 7 is formed above the sludge-water separation area 3, the clear water area is connected with the water outlet pipeline 10 at the middle position, a sludge discharge corridor 8 is formed between a lower inclined plate of the fourth structural plate 23 and the first structural plate 20, and the sludge discharge corridor 8 is connected with the sludge discharge pipeline 11 at the middle lower part; the mud-water mixed liquid return pipe is vertically arranged on the horizontal bottom plate of the fourth structural plate 23 and is positioned at the tail end of the mud-water separation/return advection water distribution area 15, namely one end close to the sludge discharge gallery 8.
On the basis of the above structure, the functional regions are specifically described as follows:
the gas releasing reaction zone 2 of the present invention is provided with a gas releaser 12, preferably the gas releaser 12 is installed on the bottom plate of the third structural plate 22; when the device is used, a liquid-phase medium to be treated or separated from components to be reacted enters the gas release reaction area 2 through the water inlet pipeline/channel 9, a gas-phase medium to be treated or separated from the components to be reacted enters the gas release reaction area 2 through the gas releaser 12, the gas-liquid two-phase medium is fully mixed and reacts in the gas release reaction area 2, and partial suspended matter (sludge) solid-phase substances are generated.
The lower part of the air-lifting flow corridor 4 is provided with an air-lifting power releaser 13, and the liquid level at the top of the air-lifting flow corridor 4 is a liquid level A, is higher than the top elevation of an upper vertical plate of a fourth structural plate 23 and is lower than the top elevation of a third structural plate 22.
The top liquid level of the mud-water descending gallery 5 is a liquid level B, is lower than the top elevations of the upper vertical plate of the fourth structural plate 23 and the second structural plate 21, and is also lower than the liquid level A.
The invention is provided with an inclined plate 6 or a packed bed (including but not limited to a biological packing filter bed and a multi-media active adsorption filter bed) between a first structural plate 20 and a second structural plate 21, and the spatial region of the inclined plate 6 or the packed bed is a mud-water separation zone 3. A mud-water separation/reflux advection water distribution area 15 is arranged between the inclined plate 6 and the horizontal bottom plate of the fourth structural plate 23, and a mud-water mixed liquid reflux pipe 16 is arranged at the tail end of the area; the top inlet of the mud-water mixture return pipe 16 is located at a distance (for example, 8 cm) above the horizontal bottom plate of the fourth structural plate 23, and the bottom outlet of the mud-water mixture return pipe 16 is located near the water inlet pipe/channel 9. The upper area of the inclined plate 6 is a clear water area 7, and the liquid level of the clear water area 7 is a liquid level C which is lower than the liquid level B;
the middle part of the clear water zone 7 is provided with a water outlet pipeline 10, and the water outlet pipeline 10 can be connected with a collecting water outlet 14 through a soft or hard pipeline or a communication channel; the liquid level of the clear water zone 7 is a liquid level C which is lower than the liquid level B; the outlet pipes 10 of one or more reactors are connected to the collection outlet 14 by flexible pipes, rigid pipes or communication channels.
Example 2:
as shown in fig. 1, the present invention provides a two-phase reaction reactor with three-phase separation function, which is different from example 1 in that the reactor is a monolithic structure module, i.e., the first structural plate 20 and the third structural plate 22 are not in common wall. Further, as shown in fig. 3, when the reactor is a split structural module, the reactor module body 1 is supported and fixed on the mounting support beam/column 25 through the mounting and fixing structural member 24 and the corresponding mounting and fixing hole 26, so as to realize the mounting of one reactor or the horizontal combination and assembly of a plurality of reactors.
Example 3:
the invention provides a method for using a reactor with two-phase reaction and three-phase separation function, which comprises the following steps:
step 1, assembling and installing a reactor module which has two-phase reaction and three-phase separation function in place: (1) for small water scale processes, e.g. 50 to 500m 3 The proposal is to select a two-phase reaction in the form of a monolithic module and to provide a reactor with a three-phase separation function, which is characterized in thatThe three-phase separator and the reaction tank body share the same wall, and the three-phase separator and the reaction tank body are integrated into a whole set of equipment, so that the equipment is suitable for small water volume and emergency treatment engineering, small and exquisite in equipment and convenient to transport; (2) for large-scale sewage treatment plant projects, for example, the water quantity is 1000m 3 Above/d, a reactor with a split structure module type two-phase reaction and a three-phase separation function is proposed to be selected, the three-phase separator and the reaction tank body are not in the same wall, and core functional components of the three-phase separator are integrated into an independent modular unit, so that the construction of the reaction tank body in a reinforced concrete form in a large scale and large volume is facilitated, and the miniaturization, standardization and rapid batch volume production of the three-phase separator module unit are realized; as shown in fig. 3, during the civil construction of the reaction tank body, support beams/columns 25 are arranged and poured at intervals according to the design requirements, two sides of the reactor module body 1 with the two-phase reaction and three-phase separation functions are integrally provided with fixed structural members 24 in a bolt or integral welding manner, the reactor module body 1 with the two-phase reaction and three-phase separation functions is supported and fixed on the support beams/columns 25 through mounting and fixing holes 26 of the fixed structural members 24, and the reactor module body 1 with the two-phase reaction and three-phase separation functions can be rapidly assembled in a large scale, independently and flexibly dismantled, overhauled, and dismantled for reuse;
3, enabling the mud, water and gas three-phase mixture in the step 2 to flow upwards into a gas stripping flow ascending gallery 4, under the gas lifting action of a gas stripping power releaser 13, enabling the mixture to flow upwards to a liquid level A, realizing gas overflow separation at a liquid level interface, and enabling the residual mud-water mixture to cross an upper vertical plate of an overflow fourth structural plate 23 and enter a mud-water flow descending gallery 5; by adjusting the air supply amount of the air-lifting power releaser 13, the magnitude of the upwash power in the air-lifting upwash gallery 4 can be adjusted and controlled, the upwash flow of the three-phase mixture is further adjusted, and finally the purpose of flexibly controlling the circulating reflux ratio of the mixed liquid can be realized;
6, in the step 5, the mud-water mixed liquid return pipe 16 is higher than the horizontal bottom plate of the fourth structural plate 23 by a certain distance (for example, 8 cm), so that a large amount of sludge with a thick bottom cannot enter the mixed liquid return pipe, and the synchronous return of nitrifying liquid and sludge through the mixed liquid return pipe is ensured, and the discharge of residual sludge with a high concentration is ensured; the sludge with the higher concentration at the bottom of the horizontal bottom plate of the fourth structural plate further flows to a sludge discharge gallery 8, and the periodic discharge of the residual sludge is realized through a sludge discharge pipeline 11 communicated with the sludge discharge gallery 8;
in the step 7 and the step 5, the outlet at the bottom of the mud-water mixed liquid return pipe 16 is positioned near the water inlet pipeline/channel 9, the returned nitrifying liquid and the returned sludge in the step 6 and the gas-phase and liquid-phase medium which enters the reactor in the step 2 and is to be treated or to be separated from the components to be reacted are fully mixed and reacted in the gas release reaction area 2, and then the mixture enters the next reaction cycle.
Supplementary explanation about the usage scenarios of steps 6, 7: if the reaction is a gas-liquid two-phase reaction to generate recyclable crystal precipitate, the mixed solution reflux in the step 6 can carry part of the crystals to the step 7, namely, the step 2 of the cyclic reaction, and the reflux crystals can be used as crystal nuclei of a crystal precipitation reaction and a crystal growth reaction in the cyclic reaction, so that the efficiency of the crystal reaction is improved; meanwhile, the convenient discharge and recovery of crystals can be realized through the sludge discharge operation in the step 6, and the operation mode of the reactor can be regarded as a fluidized bed crystallization reactor with a precipitation filter bed form.
The invention has the advantages that:
1. the vertical function partition is clear, the structure is simple, the layout is compact, the overall reactor integration level is high, and the space is efficiently utilized;
2. an independent sedimentation tank configured for producing the sludge by the conventional gas-liquid reaction is omitted, the unit configuration is further simplified, the cost is saved, the occupied area is saved, and the equipment economy is improved;
3. the reactor can be widely applied to the technical fields of sewage or waste gas pollution standard treatment, or gas-liquid phase active ingredient reaction separation and the like, for example, the reactor can be used as a functional reactor such as an aerobic bioreactor, an anaerobic fluidized bed bioreactor, a fluidized bed crystallization reactor integrated with a precipitation filter bed, a chemical precipitation reactor, a gas purification and absorption reactor, a gas stripping component purification reactor and the like;
4. the reactor has two installation forms of a conjoined structure module and a split structure module, but has core unit common two-phase reaction and three-phase separation function modular design, so that the reactor is suitable for different use scenes of small-scale equipment pool type and large-scale civil engineering pool type while considering the standardization of the reactor, and being easy for batch production installation, overhaul and maintenance;
5. the simple, standardized and modularized functional structure design and installation structure design ensures that each reactor module unit can be independently dismantled and conveniently transported to other use sites for recycling;
6. through the air-lift reflux design of the air-lift power releaser, the high-rate muddy water reflux of the reactor is ensured at low power cost;
7. through simple and easy, the low-cost design of the reasonable difference in height of muddy water mixed liquid back flow, solve mixed liquid backward flow and arrange independent subregion of mud passageway and arrange the mud concentration problem, save power equipment such as dredge pump, mixed liquid backwash pump, mud backwash pump simultaneously, simple and easy design brings high economic nature repayment.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A reactor for two-phase reaction and having three-phase separation function, comprising: a reactor module body mounted in a reactor tank body;
the reactor comprises a gas release reaction area, a mud-water separation/reflow flow water distribution area, a mud-water separation area and a clear water area which are sequentially arranged from bottom to top;
one side of the gas release reaction area is connected with a water inlet pipeline/channel, and the other side of the gas release reaction area is connected with one side of the mud-water separation/return flow water distribution area through a gas lifting flow gallery and a mud-water falling flow gallery; a sludge discharge gallery is arranged on the other side of the mud-water separation/reflow flow water distribution area and is connected with a sludge discharge pipeline;
the mud-water separation/reflow flow distribution area is sequentially communicated with the mud-water separation area and the clear water area above the mud-water separation/reflow flow distribution area, the clear water area is connected with the water outlet pipeline, and the mud-water separation/reflow flow distribution area is further connected with the gas release reaction area through a mud-water mixed liquid return pipe.
2. The two-phase reaction and three-phase separation reactor according to claim 1, wherein the reactor module body comprises a first structural plate, a second structural plate and a fourth structural plate, and the outer wall plate of the reactor body is a third structural plate;
the first structural plate is an outer side wall plate of the reactor module body, the second structural plate is an inner partition plate and a support plate of the reactor module body, the fourth structural plate is another side wall plate and a bottom wall plate of the reactor module body, and the fourth structural plate is composed of an upper vertical plate, a horizontal bottom plate and a lower inclined plate which are sequentially connected; wherein the content of the first and second substances,
the first structural plate is sequentially provided with the water outlet pipeline, the sludge discharge pipeline and the water inlet pipeline/channel from top to bottom, a gas release reaction area is formed between a bottom plate of the third structural plate and a horizontal bottom plate of the fourth structural plate, a gas lifting flow gallery is formed between a side plate of the third structural plate and an upper vertical plate of the corresponding fourth structural plate, a sludge-water descending flow gallery is formed between an upper vertical plate of the fourth structural plate and the second structural plate, a sludge-water separation area is formed between the second structural plate and the first structural plate, a sludge-water separation area is formed between the sludge-water separation area and the horizontal bottom plate of the fourth structural plate, the sludge-water separation/backflow flow distribution area is formed above the sludge-water separation area, a sludge discharge gallery is formed between a lower inclined plate of the fourth structural plate and the first structural plate, and a sludge-water mixed liquid return pipe is arranged on the horizontal bottom plate of the fourth structural plate and is located at the tail end of the sludge-water separation/backflow flow distribution area.
3. The two-phase reaction and three-phase separation reactor according to claim 2, wherein when the first structural plate and the other side plate of the third structural plate are co-walled, the reactor is a one-piece structural module; when the other side plate of the first structural plate and the third structural plate is not in common wall, the reactor is a split type structural module.
4. The two-phase reaction and three-phase separation reactor as claimed in claim 3, wherein when the reactor is a split structural module, the reactor module body is supported and fixed on the mounting support beam/column through the mounting and fixing structural member and the corresponding mounting and fixing hole, so as to realize the mounting of one reactor or the horizontal combination and assembly of a plurality of reactors.
5. The two-phase reaction and three-phase separation reactor according to claim 1 or 2, wherein a gas releaser is provided in the gas release reaction zone, the liquid medium to be treated or separated from the component to be reacted enters the gas release reaction zone through the water inlet pipe/channel, the gas medium to be treated or separated from the component to be reacted enters the gas release reaction zone through the gas releaser, and the gas-liquid two-phase medium is fully mixed and reacted in the gas release reaction zone to produce a part of suspended solid-phase substances.
6. The two-phase reaction and three-phase separation reactor according to claim 2, wherein a stripping power releaser is arranged at the lower part of the stripping flow corridor, and the liquid level at the top of the stripping flow corridor is liquid level A, is higher than the top elevation of the upper vertical plate of the fourth structural plate, and is lower than the top elevation of the third structural plate;
the top liquid level of the muddy water downflow gallery is a liquid level B, is lower than the top elevations of the upper vertical plate of the fourth structural plate and the second structural plate, and is also lower than the liquid level A;
the liquid level of the clean water area is a liquid level C which is lower than the liquid level B.
7. The reactor with two-phase reaction and three-phase separation function as claimed in claim 1 or 2, wherein the slurry-water separation zone is provided with inclined plates or packed beds, and the packed beds include but are not limited to biological packed filter beds and multi-media active adsorption filter beds.
8. The two-phase reaction and three-phase separation reactor according to claim 2, wherein the top inlet of the slurry-water mixture return pipe is located at a distance higher than the horizontal bottom plate of the fourth structural plate, and the bottom outlet of the slurry-water mixture return pipe is located near the water inlet pipe/channel.
9. The two-phase reaction and three-phase separation reactor according to claim 2, wherein the outlet pipe is arranged in the middle of the clean water zone, and the sludge discharge pipe is arranged in the middle-lower part of the sludge discharge gallery; the water outlet pipelines of one or more reactors are connected with the water collecting outlet through soft pipelines, hard pipelines or communication channels.
10. The reactor for two-phase reaction and three-phase separation according to claim 3, wherein the amount of water to be treated is 50 to 500m 3 The small water treatment project of/d is a reactor which selects two-phase reaction in a form of a connected structure module and has a three-phase separation function; for the treated water amount more than 1000m 3 The large water treatment project of the/d is a reactor which selects two-phase reaction in a split structure module form and has a three-phase separation function.
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