CN112811502B - Ammonia nitrogen wastewater treatment and recovery equipment and use method - Google Patents
Ammonia nitrogen wastewater treatment and recovery equipment and use method Download PDFInfo
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- CN112811502B CN112811502B CN202110015318.7A CN202110015318A CN112811502B CN 112811502 B CN112811502 B CN 112811502B CN 202110015318 A CN202110015318 A CN 202110015318A CN 112811502 B CN112811502 B CN 112811502B
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
Abstract
The invention discloses novel ammonia nitrogen wastewater treatment and recovery equipment, which comprises an external machine shell, a support base, an inner treatment barrel seat, a heat flow drying assembly, a primary flow dividing assembly and a separation and recovery barrel seat, wherein the inner treatment barrel seat is transversely installed in the external machine shell, the support base is fixed on the lower end face of the inner treatment barrel seat and is connected and fixed with the external machine shell through the support base, one side of the inner treatment barrel seat is provided with a connecting exhaust pipe for water inflow, one end of the connecting exhaust pipe transversely penetrates and is fixed on the external machine shell and is communicated with the inner treatment barrel seat in a sealing manner, the connecting exhaust pipe is also used for conveying a reaction solvent inwards, so that ammonia nitrogen wastewater is subjected to thermal reaction in the inner treatment barrel seat in time, and one side of the inner treatment barrel seat is also communicated with a discharge pipe; and a separation and recovery cylinder seat vertically penetrates through and is fixed in the middle of the upper end face of the external machine shell, and the separation and recovery cylinder seat is communicated with the inner treatment cylinder seat through a heat flow drying assembly and a primary flow dividing assembly.
Description
Technical Field
The invention relates to the technical field of ammonia nitrogen recovery equipment, in particular to ammonia nitrogen wastewater treatment and recovery equipment and a using method thereof.
Background
Ammonian-containing chemicals are important raw materials and chemicals in the production process of petrochemical industry and high-tech industry (such as semiconductor manufacturing industry, photoelectric industry and LED), however, the process will produce a large amount of ammonia nitrogen-containing waste liquid or wastewater, and if the ammonia nitrogen-containing waste liquid or wastewater is not properly treated, the water quality of the bearing water body is polluted, so that the dissolved oxygen in the water is insufficient or the ammonia nitrogen-containing chemicals are optimized. The ammonia nitrogen wastewater treatment technology can be generally divided into biological treatment, physicochemical treatment, combined physicochemical treatment and biological treatment and the like, and can realize the maximum recycling of ammonia nitrogen. In the process of recycling the ammonia nitrogen, the preliminary separation and recovery process is relatively simple; in the prior art, the crude recovery processing of recycling the ammonia nitrogen wastewater is often skipped over directly, so that the high cost is invested in the later processing and separation to carry out precision extraction and recovery on the ammonia nitrogen wastewater, and the concentration of the recovered product is not enough, so that the subsequent treatment steps are complicated, and therefore, an ammonia nitrogen wastewater treatment and recovery device and a use method are needed to solve the problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the ammonia nitrogen wastewater treatment and recovery equipment comprises an external machine shell, a supporting base, an inner treatment barrel seat, a heat flow drying assembly, a primary flow dividing assembly and a separation and recovery barrel seat, wherein the inner treatment barrel seat is transversely installed in the external machine shell, the supporting base is fixed on the lower end face of the inner treatment barrel seat and is connected and fixed with the external machine shell through the supporting base, one side of the inner treatment barrel seat is provided with a connecting exhaust pipe for water inflow, one end of the connecting exhaust pipe transversely penetrates and is fixed on the external machine shell and is communicated with the inner treatment barrel seat in a sealing manner, the connecting exhaust pipe is also used for conveying a reaction solvent inwards, so that ammonia nitrogen wastewater is subjected to thermal reaction in the inner treatment barrel seat in time, and one side of the inner treatment barrel seat is also communicated with a discharge pipe;
a separation and recovery cylinder seat vertically penetrates through and is fixed in the middle of the upper end face of the external machine shell, and the separation and recovery cylinder seat is communicated with the inner treatment cylinder seat through a heat flow drying assembly and a primary flow distribution assembly;
the heat flow drying component is used for drying the ammonia nitrogen heat flow in the ammonia nitrogen wastewater after the ammonia nitrogen wastewater enters the inner treatment barrel seat and completes the thermal reaction;
the primary shunting assembly is used for primarily separating ammonia nitrogen recovery gas after ammonia nitrogen heat flow finishes drying work so as to facilitate separation and recovery of the ammonia nitrogen recovery gas in a separation and recovery cylinder seat;
the separation and recovery cylinder base is used for locally separating and recovering ammonia nitrogen recovery gas through the internal standing and pressurizing effect.
As a preferred technical scheme of the invention, a plurality of evaporators are arranged on the lower side barrel wall in the inner treatment barrel seat, and each evaporator is used for locally supplying heat to the inner treatment barrel seat so as to dehydrate and distill ammonia nitrogen wastewater at high temperature;
the upper end face of the inner treatment barrel seat is transversely and hermetically fixed with a layered partition plate, the middle part of the layered partition plate is provided with a drainage port for drainage, an arc-shaped guide plate is arranged at the drainage port, the cross section of the arc-shaped guide plate is of a convex structure, a plurality of through ports are uniformly formed in the arc-shaped guide plate, and the arc-shaped guide plate is used for primary filtration and drainage.
As a preferred technical solution of the present invention, the heat flow drying assembly includes a sealing kit, an outer mounting frame, a bidirectional telescopic rod, a flow guide seat and an absorption shaft, wherein the sealing kit is vertically fixed on the upper side inside the inner treatment barrel seat in a penetrating manner, the flow guide seat is coaxially and hermetically mounted in the sealing kit and communicated with the separation and recovery barrel seat through the flow guide seat, and the absorption shaft is mounted in the sealing kit;
outer mounting frames are symmetrically fixed on the left side and the right side of the sealing sleeve, a bidirectional telescopic rod is vertically fixed on the outer mounting frames through connecting pieces, limiting blocking pieces are arranged at the output ends of the bidirectional telescopic rods, and the absorbing shaft piece is locally limited and fixed through the limiting blocking pieces;
the two-way telescopic rod locally compresses and adjusts the absorption shaft through the upper and lower two-way telescopic action, so that drainage of the drying diversion hole is adjusted and controlled according to the distillation concentration of the ammonia nitrogen wastewater.
As a preferable technical scheme of the invention, the absorption shaft piece also comprises a telescopic guide sleeve, an inter-shaft sleeve, an absorption cotton layer and a thin film net layer, wherein the cross section of the inter-shaft sleeve is of a two-section telescopic structure, a plurality of installation spacing parts are arranged in the inter-shaft sleeve in parallel up and down,
an adsorption cotton layer is arranged between the installation spacing parts, and the adsorption cotton layer is used for drying and dehumidifying ammonia nitrogen heat flow;
the adsorption surface layer is provided with a plurality of confluence ports in a staggered manner, the cross section of each confluence port is of a lantern structure, a plurality of thin film net layers are overlapped in the confluence ports up and down and are used for local filtration, so that when the relative effective space between the installation spacing bodies is regulated and controlled along with the shrinkage of the bidirectional telescopic rod, the adsorption cotton layer is axially compressed, and each confluence port is correspondingly and locally expanded;
and a telescopic guide sleeve is coaxially sleeved outside the inter-shaft sleeve.
As a preferred technical scheme of the invention, the primary flow distribution assembly comprises a multi-layer sealing sleeve, an inner mounting seat and a rotating motor, wherein the multi-layer sealing sleeve vertically penetrates and is fixed at the central position of the lower end face of the separation and recovery cylinder seat, the cross section of the multi-layer sealing sleeve is of an inner-outer double-layer type calandria structure, so that ammonia nitrogen recovery gas is primarily separated through the multi-layer sealing sleeve, one side of the upper end face of the multi-layer sealing sleeve is communicated with a delivery pipe fitting, and gas in an outer-layer drainage cavity of the multi-layer sealing sleeve is subjected to confluence drainage through the delivery pipe fitting;
an inner mounting seat is fixed in the middle of the lower end face of the multi-layer sealing sleeve, a shunt device is arranged on the inner mounting seat in a relatively rotating mode, a rotating motor is arranged in the inner mounting seat, and the shunt device is driven by the rotating motor to conduct drainage work;
the flow dividing device carries out local flow dividing on the ammonia nitrogen mixed gas with different mass ratio contents through the internal rotary flow dividing effect of the flow dividing device, and the ammonia nitrogen mixed gas is respectively conveyed to the separation and recovery cylinder base through the multi-layer sealing sleeve, so that the preliminary layering work of the ammonia nitrogen mixed gas is finished on the separation and recovery cylinder base.
As a preferred technical scheme of the invention, the flow dividing device comprises a main flow guide blade part, an inner shaft blade, an installation exhaust pipe, a rotating shaft part and a double-end gear, wherein the installation exhaust pipe is vertically and fixedly penetrated on the inner installation seat through a bearing seat and can relatively rotate;
the inner shaft blade is coaxially arranged in the main flow guide blade piece and can rotate relatively, the rotating shaft piece is vertically arranged in the installation exhaust pipe, one end of the rotating shaft piece is fixed with the inner shaft blade, the double-end gear is arranged on the inner installation seat and can rotate relatively through the support frame, and the double-end gear is connected and driven with the installation exhaust pipe and the rotating shaft piece through the gear meshing transmission effect, so that when the rotating motor drives the main flow guide blade piece to conduct circumferential rotation flow guide work, the rotating shaft piece reversely drives the inner shaft blade to conduct rotation flow guide through the double-end gear meshing transmission effect, and ammonia recovery gas floating on the lower side of the middle portion enters an inner layer flow guide cavity of the double-layer sealing sleeve.
As a preferred technical scheme of the present invention, an inner protection frame is further sleeved on the inner shaft blade.
As a preferred technical scheme of the invention, a sealed storage barrel is installed in the separation and recovery barrel seat, the upper end surface of the sealed storage barrel is communicated with a diversion and recovery pipe, the cross section of the diversion and recovery pipe is of a double-pipe structure, and one end of the diversion and recovery pipe extends into the sealed storage barrel and is positioned at the lower position of the sealed storage barrel, so that ammonia nitrogen recovery gas is separated and recovered through the diversion and recovery pipe;
the sealed storage cylinder is also provided with a booster pump.
The invention also provides a method for treating and recycling ammonia nitrogen wastewater, which comprises the following steps:
s1, introducing ammonia nitrogen wastewater, and conveying the ammonia nitrogen wastewater into an inner treatment barrel seat through a connecting exhaust pipe during recycling of the ammonia nitrogen wastewater; stopping feeding after the ammonia nitrogen wastewater reaches three-fourths of the capacity of the inner treatment barrel seat, wherein the feeding is the highest reasonable liquid level of the working capacity of the inner treatment barrel seat;
s2, introducing a reaction solvent, and quantitatively conveying the ammonia nitrogen wastewater into an inner treatment barrel seat through a connecting exhaust pipe by using the reaction solvent, wherein the reaction solvent comprises liquid chlorine and is used for breakpoint chlorination; porous adsorption solid for adsorbing and precipitating the waste water solution;
s3, high-temperature distillation, namely heating by a plurality of evaporators on the inner treatment barrel seat to ensure that the ammonia nitrogen wastewater is subjected to dehydration distillation in a high-temperature state in the inner treatment barrel seat and forms ammonia nitrogen ascending heat flow;
s4, drying heat flow, namely performing absorption drying treatment on the rising heat flow of the ammonia nitrogen through an absorption shaft, locally adjusting the effective drainage aperture of the bidirectional telescopic rod through the vertical relative telescopic action of the bidirectional telescopic rod, and particularly aiming at the waste water with higher ammonia nitrogen concentration exceeding the standard content concentration so as to realize high-quality recovery work in the process of recycling;
s5, preliminarily shunting, standing for 3-5min after the ammonia nitrogen heat flow finishes drying work, enabling ammonia nitrogen recovery gas to be primarily collected and layered up and down in a sealing sleeve, conducting diversion and transportation on the nitrogen recovery gas floating on the two sides of the upper part into an outer drainage cavity of the multi-layer sealing sleeve by utilizing forward rotation of a main diversion blade part, enabling the ammonia recovery gas floating on the lower side of the middle part to enter an inner drainage cavity of the multi-layer sealing sleeve by utilizing reverse rotation of an inner shaft blade, and enabling the shunting device to have an internal and external bidirectional drainage effect;
s6, standing and pressurizing, namely pressurizing ammonia nitrogen recovery gas in a separation and recovery cylinder seat by a cylinder seat booster pump, standing and storing for a long time, and performing local separation and recovery by a diversion and guide recovery pipe;
s7, discharging wastewater, namely timely discharging residual wastewater in the inner treatment barrel seat through a discharge pipe fitting, and cleaning the barrel wall of the inner treatment barrel seat
Compared with the prior art, the invention provides ammonia nitrogen wastewater treatment and recovery equipment and a use method thereof, and the equipment has the following beneficial effects:
according to the invention, the ammonia nitrogen is recycled by aiming at the crude recycling process in the recycling of the ammonia nitrogen wastewater, so that the cost of the subsequent purification work is reduced, and the work difficulty is reduced; the ammonia nitrogen wastewater is conveyed into the inner treatment barrel seat through the connecting exhaust pipe, the inner treatment barrel seat carries out thermal reaction on the ammonia nitrogen wastewater, ammonia nitrogen heat flow is formed, then the ammonia nitrogen heat flow is dried and shunted by the heat flow drying component and the primary shunt component, so that ammonia nitrogen gas layered up and down is preliminarily formed in the separation and recovery barrel seat, and the separation and recovery barrel seat is pressurized and placed still, so that the purpose of crude extraction, utilization and recovery is achieved, and later-stage purification work is facilitated; the drainage absorption aperture of the absorption shaft can be properly adjusted by internal telescopic regulation of the absorption shaft according to the content concentration of the ammonia nitrogen wastewater, and particularly for the wastewater with the ammonia nitrogen concentration exceeding the standard, after the thermal reaction, the distillation concentration of the ammonia nitrogen wastewater is higher than a common value, the internal impurities are more, the air flow humidity is higher, and the absorption and filtration effects can be further achieved; and the ammonia nitrogen recovery gas is locally introduced into the separation and recovery cylinder base in a layered manner under the internal and external two-way drainage action of the flow dividing device, so that the ammonia nitrogen separation effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner treatment cartridge holder of the present invention;
FIG. 3 is a schematic diagram of a hot fluid drying assembly according to the present invention;
FIG. 4 is a schematic view of the structure of the absorbing shaft member in the present invention;
FIG. 5 is a schematic structural view of the primary shunt assembly of the present invention;
FIG. 6 is a schematic view of the structure of the flow divider of the present invention;
FIG. 7 is a schematic view of the separating and recovering cartridge holder according to the present invention;
in the figure: 1 external machine shell, 2 internal treatment drum seat, 201 supporting base, 202 connecting discharge pipe, 203 discharge pipe, 204 evaporator, 205 layered partition board, 206 arc-shaped guide plate, 3 heat flow drying component, 301 sealing external member, 302 guide seat, 303 external mounting frame, 304 bidirectional telescopic rod, 305 limit stopper, 4 primary shunt component, 401 internal mounting seat, 402 rotating motor, 403 guide pipe, 5 separating and recovering drum seat, 6 absorbing shaft component, 601 inter-shaft sleeve, 602 absorbent cotton layer, 603 telescopic guide sleeve, 604 film net layer, 7 multi-layer sealing sleeve, 8 shunt device, 801 main guide vane component, 802 internal shaft vane, 803 mounting discharge pipe, 804 rotating shaft component, 805 double-head gear, 806 internal protection frame, 9 sealing storage drum, 901 shunt guide and recovery pipe, and booster pump.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: an ammonia nitrogen wastewater treatment and recovery device comprises an external machine case 1, a supporting base 201, an inner treatment barrel seat 2, a heat flow drying component 3, a primary flow dividing component 4 and a separation and recovery barrel seat 5, wherein the outer machine case 1 is transversely provided with the inner treatment barrel seat 2, the lower end surface of the inner treatment barrel seat 2 is fixedly provided with the supporting base 201 and is fixedly connected with the external machine case 1 through the supporting base 201, one side of the inner treatment barrel seat 2 is provided with a connecting exhaust pipe 202 for feeding water into the inner treatment, one end of the connecting exhaust pipe 202 transversely penetrates through and is fixed on the external machine case 1 and is communicated with the inner treatment barrel seat 2 in a sealing way, the connecting exhaust pipe 202 is also used for conveying a reaction solvent inwards, so that ammonia nitrogen wastewater is subjected to thermal reaction in the inner treatment barrel seat 2 in time, and one side of the inner treatment barrel seat 2 is also communicated with a discharge pipe 203;
a separation and recovery cylinder seat 5 vertically penetrates through and is fixed in the middle of the upper end face of the external machine shell 1, and the separation and recovery cylinder seat 5 is communicated with the inner treatment cylinder seat 2 through a heat flow drying assembly 3 and a primary flow distribution assembly 4;
the heat flow drying component 3 is used for drying the ammonia nitrogen heat flow in the ammonia nitrogen wastewater after the ammonia nitrogen wastewater enters the inner treatment cylinder seat and completes the thermal reaction;
the primary shunting assembly 4 is used for primarily separating ammonia nitrogen recovery gas after the ammonia nitrogen heat flow finishes drying work so as to be convenient for separation and recovery in the separation and recovery cylinder base 5;
the separation and recovery barrel holder 5 carries out local separation and recovery on ammonia nitrogen recovery gas through the internal standing and pressurizing effect, and the ammonia nitrogen wastewater is conveyed into the inner treatment barrel holder and is subjected to thermal reaction treatment to form ammonia nitrogen heat flow, and then the ammonia nitrogen heat flow is dried and shunted, so that the purpose of primarily recovering the ammonia nitrogen gas is realized, and high-purity extraction can be continuously carried out to realize the recycling of the ammonia nitrogen.
Referring to fig. 2, in this embodiment, a plurality of evaporators 204 are arranged on the lower side wall inside the inner treatment barrel holder 2, and each evaporator 204 supplies heat locally to the inner treatment barrel holder 2, so that the ammonia nitrogen wastewater is dehydrated and distilled at high temperature;
the upper end face of the inner treatment barrel base 2 is transversely and hermetically fixed with a layered partition plate 205, the middle part of the layered partition plate 205 is provided with a drainage port for drainage, an arc-shaped guide plate 206 is arranged at the drainage port, the cross section of the arc-shaped guide plate 206 is of a convex structure, a plurality of through ports are uniformly formed in the arc-shaped guide plate 206, and preliminary filtration and drainage are performed by the arc-shaped guide plate 206.
Referring to fig. 3, in this embodiment, the hot-fluid drying assembly 3 includes a sealing kit 301, an outer mounting frame 303, a bidirectional telescopic rod 304, a flow guide seat 302, and an absorption shaft 6, wherein the sealing kit 301 vertically penetrates through and is fixed on the upper side inside the inner treatment barrel seat 2, the flow guide seat 302 is coaxially and hermetically mounted in the sealing kit 301, and is communicated with the separation and recovery barrel seat 5 through the flow guide seat 302, and the absorption shaft 6 is mounted in the sealing kit 301;
the two-way telescopic rod 304 performs local compression adjustment on the absorption shaft part 6 through the up-down two-way telescopic action, so that drainage adjustment of the drying guide hole is performed according to the distillation concentration of the ammonia nitrogen wastewater, the high-concentration ammonia nitrogen wastewater can be effectively dried and absorbed, and the filtering effect is achieved.
Referring to fig. 4, in this embodiment, the absorption shaft 6 further includes a telescopic guide sleeve 603, an inter-shaft sleeve 601, an absorbent cotton layer 602, and a thin film mesh layer 604, wherein the cross section of the inter-shaft sleeve 601 has a two-stage telescopic structure, a plurality of installation spacers are disposed in parallel up and down in the inter-shaft sleeve 601,
an adsorption cotton layer 602 is arranged between the installation spacing parts, and the adsorption cotton layer 602 is used for drying and dehumidifying ammonia nitrogen heat flow;
a plurality of confluence ports are staggered on the adsorption surface layer 602, the cross section of each confluence port is in a lantern structure, a plurality of thin film net layers 604 are vertically overlapped in each confluence port, and the thin film net layers 604 are used for local filtration, so that when the relative effective spacing between the installation spacing parts is regulated and controlled along with the contraction of the bidirectional telescopic rod 304, the adsorption cotton layer 602 is axially compressed, and each confluence port is correspondingly and locally expanded and retracted;
the telescopic guide sleeve 603 is coaxially sleeved outside the inter-shaft sleeve 601, so that the air tightness is high, and the internal gas is prevented from overflowing.
Referring to fig. 5, in this embodiment, the primary flow distribution assembly 4 includes a multiple-layer sealing sleeve 7, an inner mounting seat 401 and a rotating electrical machine 402, wherein the multiple-layer sealing sleeve 7 vertically penetrates and is fixed at a central position of a lower end surface of the separation and recovery cylinder base 5, a cross section of the multiple-layer sealing sleeve 7 is of an inner-outer double-layer pipe arrangement structure, so that ammonia nitrogen recovery gas is primarily separated through the multiple-layer sealing sleeve 7, one side of an upper end surface of the multiple-layer sealing sleeve 7 is communicated with a delivery pipe 403, and gas in an outer-layer drainage cavity of the multiple-layer sealing sleeve 7 is subjected to confluence drainage by the delivery pipe 403;
an inner mounting seat 401 is fixed in the middle of the lower end face of the multi-layer sealing sleeve 7, a shunt device 8 is arranged on the inner mounting seat 401 in a relatively rotatable manner, a rotating motor 402 is arranged in the inner mounting seat 401, and the shunt device 8 is driven by the rotating motor 402 to perform drainage work;
diverging device 8 carries out local reposition of redundant personnel with the ammonia nitrogen gas mixture of different mass ratio content through its inside rotatory reposition of redundant personnel effect, and by in multilayer seal bushing 7 exports respectively to the separation and retrieves the cylinder seat for it is retrieving cylinder seat 5 in the separation and accomplishes preliminary layering work, improves separation recovery efficiency.
Referring to fig. 6, in this embodiment, the flow divider 8 includes a main flow guide vane element 801, an inner shaft vane 802, an installation drainage pipe 803, a rotating shaft element 804, and a double-headed gear 805, wherein the installation drainage pipe 803 penetrates vertically and is fixed on the inner mounting seat 401 through a bearing seat, the installation drainage pipe 803 is fixed on one side of the installation drainage pipe 803, which is away from the double-layer sealing sleeve 7, the main flow guide vane element 801 is fixed on one side, and the main flow guide vane element 801 guides and conveys the nitrogen recovery gas floating on the upper two sides to an outer layer drainage cavity of the double-layer sealing sleeve 7;
an inner shaft blade 802 is coaxially arranged in the main flow guide blade 801 and can rotate relatively, a rotating shaft 804 is vertically arranged in the mounting rack 803, one end of the rotating shaft 804 is fixed with the inner shaft blade 802, a double-headed gear 805 is arranged on the inner mounting seat 401 through a support frame and can rotate relatively, the double-headed gear 805 is connected and driven with the mounting rack 803 and the rotating shaft 804 through gear meshing transmission, so that when the rotating motor 402 drives the main flow guide blade 801 to perform circumferential rotation flow guide work, the rotating shaft 804 reversely drives the inner shaft blade 802 to perform rotation flow guide through the double-headed gear 805 meshing transmission, and ammonia recovery gas floating on the lower side of the middle part enters an inner layer flow guide cavity of the double-layer sealing sleeve 7.
In this embodiment, an inner protection frame 806 is further sleeved on the inner shaft blade 802.
Referring to fig. 7, in this embodiment, a sealed storage barrel 9 is installed in the separation and recovery barrel seat 5, an upper end surface of the sealed storage barrel 9 is communicated with a diversion and recovery pipe 901, a cross section of the diversion and recovery pipe 901 is of a double-pipe structure, and one end of the diversion and recovery pipe 901 extends into the sealed storage barrel 9 and is located at a lower position thereof, so that the ammonia nitrogen recovered gas is separated and recovered through the diversion and recovery pipe 9;
the sealed storage cylinder 9 is also provided with a booster pump 902, so that the ammonia nitrogen recovery gas can be effectively pressurized and separated, and the separation effect is improved.
The ammonia nitrogen wastewater treatment and recovery method comprises the following steps:
s1, introducing ammonia nitrogen wastewater, and conveying the ammonia nitrogen wastewater into an inner treatment barrel seat 2 through a connecting discharge pipe 202 in the ammonia nitrogen wastewater recycling process; stopping feeding after the ammonia nitrogen wastewater reaches three fourths of the capacity of the inner treatment barrel seat 2, which is the highest reasonable liquid level of the working capacity of the inner treatment barrel seat 2;
s2, introducing a reaction solvent, and quantitatively conveying the ammonia nitrogen wastewater into the inner treatment barrel seat 2 through the connecting discharge pipe 202 by using the reaction solvent, wherein the reaction solvent comprises liquid chlorine and is used for breakpoint chlorination; porous adsorption solid for adsorbing and precipitating the waste water solution;
s3, high-temperature distillation, namely heating by a plurality of evaporators 204 on the inner treatment barrel base 2, so that the ammonia nitrogen wastewater is subjected to dehydration distillation in the high-temperature state in the inner treatment barrel base 2, and an ammonia nitrogen rising heat flow is formed;
s4, drying heat flow, namely performing absorption drying treatment on the rising heat flow of the ammonia nitrogen through an absorption shaft part 6, and locally adjusting the effective drainage aperture of the two-way telescopic rod 304 through the vertical relative telescopic action of the two-way telescopic rod, particularly aiming at the waste water with high ammonia nitrogen concentration exceeding the standard content concentration, so as to realize high-quality recovery work in the recovery and utilization process;
s5, primary shunting, standing for 3-5min after the ammonia nitrogen heat flow finishes drying work, enabling ammonia nitrogen recovery gas to be primarily collected and layered up and down in the sealing sleeve 301, conducting diversion and transportation on the nitrogen recovery gas floating on the upper two sides to an outer drainage cavity of the multi-layer sealing sleeve 7 by utilizing forward rotation of the main diversion blade 801, enabling the ammonia recovery gas floating on the lower side of the middle part to enter an inner drainage cavity of the multi-layer sealing sleeve 7 by utilizing reverse rotation of the inner shaft blade 802, and enabling the shunting device 8 to have an inner and outer two-way drainage effect;
s6, standing and pressurizing, namely pressurizing ammonia nitrogen recovery gas in the separation and recovery cylinder base 5 by using a cylinder base pressurizing pump 902, standing and storing for a period of time, and performing local separation and recovery by using a diversion guide recovery pipe 901;
s7, discharging the waste water, namely discharging the residual waste water in the inner treatment barrel seat 2 in time through the discharge pipe fitting 203, and cleaning the barrel wall of the inner treatment barrel seat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides an ammonia nitrogen waste water treatment recovery plant, its includes outside casing (1), supports base (201), interior processing bobbin base (2), the dry subassembly of thermal current (3), elementary reposition of redundant personnel subassembly (4) and separation recovery bobbin base (5), wherein, transversely install interior processing bobbin base (2) in outside casing (1), the lower terminal surface of interior processing bobbin base (2) is fixed with supports base (201) to by it is fixed with outside casing (1) to support base (201), one side of interior processing bobbin base (2) is equipped with and is used for the connection calandria (202) of intaking, its characterized in that: one end of the connecting calandria (202) transversely penetrates and is fixed on the external machine shell (1) and is communicated with the inner treatment barrel seat (2) in a sealing way, the connecting calandria (202) is also used for conveying a reaction solvent inwards, so that ammonia nitrogen wastewater is subjected to thermal reaction in the inner treatment barrel seat (2) in time, and one side of the inner treatment barrel seat (2) is also communicated with a discharge pipe fitting (203);
a separation and recovery cylinder base (5) vertically penetrates through and is fixed in the middle of the upper end face of the external machine shell (1), and the separation and recovery cylinder base (5) is communicated with the inner treatment cylinder base (2) through a heat flow drying assembly (3) and a primary flow distribution assembly (4);
the heat flow drying component (3) is used for drying the ammonia nitrogen heat flow in the ammonia nitrogen wastewater after the ammonia nitrogen wastewater enters the inner treatment cylinder seat and completes the thermal reaction;
the primary shunting assembly (4) is used for primarily separating ammonia nitrogen recovery gas after the ammonia nitrogen heat flow finishes drying work so as to be convenient for separation and recovery in the separation and recovery cylinder seat (5);
the separation and recovery cylinder base (5) is used for locally separating and recovering ammonia nitrogen recovery gas through the internal standing and pressurizing effect;
the heat flow drying assembly (3) comprises a sealing kit (301), an outer mounting frame (303), a two-way telescopic rod (304), a flow guide seat (302) and an absorption shaft piece (6), wherein the sealing kit (301) vertically penetrates through and is fixed on the upper side of the inner part of the inner treatment barrel seat (2), the flow guide seat (302) is coaxially and hermetically installed in the sealing kit (301) and is communicated with the separation and recovery barrel seat (5) through the flow guide seat (302), and the absorption shaft piece (6) is installed in the sealing kit (301);
outer mounting frames (303) are symmetrically fixed on the left side and the right side of the sealing sleeve member (301), a bidirectional telescopic rod (304) is vertically fixed on the outer mounting frames (303) through connecting pieces, limiting stoppers (305) are arranged at the output ends of the bidirectional telescopic rod (304), and the absorbing shaft member (6) is locally limited and fixed through the limiting stoppers (305);
the two-way telescopic rod (304) is used for locally compressing and adjusting the absorption shaft (6) through the upper and lower two-way telescopic action, so that drainage of the drying diversion holes can be regulated and controlled according to the distillation concentration of the ammonia nitrogen wastewater.
2. The ammonia nitrogen wastewater treatment and recovery equipment of claim 1, which is characterized in that: a plurality of evaporators (204) are arranged on the lower side cylinder wall in the inner treatment cylinder seat (2) in a row, and each evaporator (204) is used for locally supplying heat to the inner treatment cylinder seat (2) so that ammonia nitrogen wastewater is subjected to dehydration distillation at high temperature;
the upper end face of the inner treatment barrel seat (2) is transversely and hermetically fixed with a layered partition plate (205), the middle part of the layered partition plate (205) is provided with a drainage port for drainage, an arc-shaped guide plate (206) is arranged at the drainage port, the cross section of the arc-shaped guide plate (206) is of a convex structure, a plurality of through ports are uniformly formed in the arc-shaped guide plate (206), and the arc-shaped guide plate (206) is used for primary filtration and drainage.
3. The ammonia nitrogen wastewater treatment and recovery equipment of claim 1, which is characterized in that: the absorption shaft part (6) also comprises a telescopic guide sleeve (603), an inter-shaft sleeve (601), an absorption cotton layer (602) and a thin film net layer (604), wherein the cross section of the inter-shaft sleeve (601) is of a two-section telescopic structure, a plurality of installation spacing parts are arranged in the inter-shaft sleeve (601) in parallel from top to bottom,
an adsorption cotton layer (602) is arranged between the installation spacing parts, and the adsorption cotton layer (602) is used for drying and dehumidifying ammonia nitrogen heat flow;
a plurality of confluence ports are arranged on the adsorption cotton layer (602) in a staggered mode, the cross section of each confluence port is of a lantern structure, a plurality of thin film net layers (604) are vertically overlapped in each confluence port, and the thin film net layers (604) are used for local filtration, so that when the relative effective spacing between the installation spacing parts is regulated and controlled along with the contraction of the bidirectional telescopic rod (304), the adsorption cotton layer (602) is axially compressed, and each confluence port is correspondingly and locally expanded and retracted;
and a telescopic guide sleeve (603) is coaxially sleeved outside the inter-shaft sleeve (601).
4. The ammonia nitrogen wastewater treatment and recovery equipment of claim 1, which is characterized in that: the primary flow distribution assembly (4) comprises a multi-layer sealing sleeve (7), an inner mounting seat (401) and a rotating motor (402), wherein the multi-layer sealing sleeve (7) vertically penetrates through and is fixed at the center of the lower end face of the separation and recovery cylinder seat (5), the cross section of the multi-layer sealing sleeve (7) is of an inner-outer double-layer type pipe arrangement structure, ammonia nitrogen recovery gas is primarily separated through the multi-layer sealing sleeve (7), one side of the upper end face of the multi-layer sealing sleeve (7) is communicated with a delivery pipe fitting (403), and the gas in an outer layer drainage cavity of the multi-layer sealing sleeve (7) is subjected to confluence discharge through the delivery pipe fitting (403);
an inner mounting seat (401) is fixed in the middle of the lower end face of the multilayer sealing sleeve (7), a shunt device (8) is arranged on the inner mounting seat (401) in a relatively rotating mode, a rotating motor (402) is arranged in the inner mounting seat (401), and the shunt device (8) is driven by the rotating motor (402) to conduct drainage work;
the flow dividing device (8) carries out local flow dividing on the ammonia nitrogen mixed gas with different mass ratio contents through the internal rotary flow dividing effect, and the multi-layer sealing sleeve (7) is respectively conveyed into the separation and recovery cylinder base, so that the preliminary layering work of the separation and recovery cylinder base (5) is completed.
5. The ammonia nitrogen wastewater treatment and recovery equipment of claim 4, which is characterized in that: the flow dividing device (8) comprises a main flow guide blade part (801), an inner shaft blade (802), an installation exhaust pipe (803), a rotating shaft part (804) and a double-headed gear (805), wherein the installation exhaust pipe (803) vertically penetrates through the inner installation seat (401) and can rotate relatively through a bearing seat, the main flow guide blade part (801) is fixed on one side, away from the multi-layer sealing sleeve (7), of the installation exhaust pipe (803), and nitrogen recovery gas floating on two upper sides is guided and conveyed into an outer layer drainage cavity of the multi-layer sealing sleeve (7) by the main flow guide blade part (801);
an inner shaft blade (802) is coaxially arranged in the main guide vane part (801) in a relatively rotatable manner, and a rotating shaft member (804) is vertically installed in the installation discharge pipe (803), one end of the rotating shaft member (804) is fixed with the inner shaft blade (802), a double-head gear (805) is arranged on the inner mounting seat (401) through a supporting frame and can rotate relatively, the double-head gear (805) is connected with the mounting rack pipe (803) and the rotating shaft member (804) for transmission through the gear meshing transmission function, so that when the rotary motor (402) drives the main guide vane element (801) to perform circumferential rotary guide work, the rotating shaft member (804) drives the inner shaft blade (802) reversely to perform rotary drainage through the meshing transmission of the double-head gear (805), so that the ammonia recovery gas floating on the lower side of the middle part enters the inner drainage cavity of the multi-layer sealing sleeve (7).
6. The ammonia nitrogen wastewater treatment and recovery equipment of claim 5, characterized in that: an inner protection frame (806) is sleeved on the inner shaft blade (802).
7. The ammonia nitrogen wastewater treatment and recovery equipment of claim 1, which is characterized in that: a sealed storage barrel (9) is installed in the separation and recovery barrel seat (5), the upper end face of the sealed storage barrel (9) is communicated with a diversion and recovery pipe (901), the cross section of the diversion and recovery pipe (901) is of a double-pipe structure, and one end of the diversion and recovery pipe (901) extends into the sealed storage barrel (9) and is located at the lower position of the sealed storage barrel, so that ammonia nitrogen recovered gas is separated and recovered through the diversion and recovery pipe (901);
the sealed storage cylinder (9) is also provided with a booster pump (902).
8. The method for treating and recovering ammonia nitrogen wastewater of the ammonia nitrogen wastewater treatment and recovery equipment according to claim 1, which is characterized in that: which comprises the following steps:
s1, introducing ammonia nitrogen wastewater, and conveying the ammonia nitrogen wastewater into an inner treatment barrel seat (2) through a connecting discharge pipe (202) during recycling of the ammonia nitrogen wastewater; stopping feeding after the ammonia nitrogen wastewater reaches three-fourths of the capacity of the inner treatment barrel seat (2), which is the highest reasonable liquid level of the working capacity of the inner treatment barrel seat (2);
s2, introducing a reaction solvent, and quantitatively conveying the ammonia nitrogen wastewater into the inner treatment barrel seat (2) through a connecting discharge pipe (202), wherein the reaction solvent comprises liquid chlorine and is used for breakpoint chlorination; porous adsorption solid, which is used for adsorbing and precipitating the wastewater solution;
s3, high-temperature distillation, namely heating by a plurality of evaporators (204) on the inner treatment barrel seat (2) to ensure that the ammonia nitrogen wastewater is subjected to dehydration distillation in the inner treatment barrel seat (2) at a high temperature state and forms an ammonia nitrogen rising heat flow;
s4, drying heat flow, namely performing absorption drying treatment on the ammonia nitrogen rising heat flow through an absorption shaft part (6), and locally adjusting the effective drainage aperture of the two-way telescopic rod (304) through the vertical relative telescopic action of the two-way telescopic rod so as to realize high-quality recovery work in the recovery and utilization process;
s5, primary shunting, standing for 3-5min after drying of ammonia nitrogen heat flow is completed, enabling ammonia nitrogen recovery gas to be primarily collected and layered up and down in a sealing sleeve (301), conducting diversion and transportation on the nitrogen recovery gas floating on the two upper sides to be guided into an outer drainage cavity of a multi-layer sealing sleeve (7) by utilizing forward rotation of a main diversion blade (801), enabling the ammonia recovery gas floating on the lower side of the middle to enter the inner drainage cavity of the multi-layer sealing sleeve (7) by utilizing reverse rotation of an inner shaft blade (802), and enabling a shunting device (8) to have an internal and external bidirectional drainage effect;
s6, standing and pressurizing, namely pressurizing ammonia nitrogen recovery gas in a separation and recovery cylinder base (5) by a cylinder base booster pump (902), standing and storing for a long time, and performing local separation and recovery by a diversion and recovery pipe (901);
s7, discharging the waste water, namely discharging the residual waste water in the inner treatment barrel seat (2) in time through a discharge pipe fitting (203), and cleaning the barrel wall of the inner treatment barrel seat.
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| TW562854B (en) * | 2001-08-13 | 2003-11-21 | New Qu Energy Ltd | Heat transfer element with high heat transfer rate |
| US10537671B2 (en) * | 2006-04-14 | 2020-01-21 | Deka Products Limited Partnership | Automated control mechanisms in a hemodialysis apparatus |
| JP2010022971A (en) * | 2008-07-22 | 2010-02-04 | Soka Univ | Method for recovering biogas and biogas recovery device |
| CN101935080B (en) * | 2009-06-30 | 2013-09-11 | 四川华宇环保有限公司 | High-concentration ammonia nitrogen blowoff treatment system |
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