CN114804353A - Efficient anaerobic treatment system for wastewater generated in brewing of white spirit - Google Patents

Efficient anaerobic treatment system for wastewater generated in brewing of white spirit Download PDF

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Publication number
CN114804353A
CN114804353A CN202210618623.XA CN202210618623A CN114804353A CN 114804353 A CN114804353 A CN 114804353A CN 202210618623 A CN202210618623 A CN 202210618623A CN 114804353 A CN114804353 A CN 114804353A
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pipe section
deodorization
pushing
gas
air inlet
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CN114804353B (en
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傅继达
徐军富
朱红兵
熊仿鹏
赵宏
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Hangzhou Lyuxia Environment Technology Co ltd
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Hangzhou Lyuxia Environment Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/52Hydrogen sulfide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • C02F2103/325Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Microbiology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The application relates to a high-efficiency anaerobic treatment system for wastewater generated in brewing of white spirit, which comprises an anaerobic reactor and a deodorization assembly, wherein the deodorization assembly comprises a deodorization box, a liquid storage box and a spray pipe; the air inlet of the deodorization box is communicated with the air outlet of the anaerobic reactor through an air conveying pipeline, the deodorization solution is stored in the liquid storage box, an air conveying pipeline used for conveying the deodorization solution to the spray pipe is connected between the liquid storage box and the spray pipe, and the spray pipe is located in the deodorization box and located between the air outlet and the air inlet of the deodorization box. This application sprays deodorizing solution through the shower and forms the deodorizing barrier in deodorizing box for deodorizing incasement stink gas is absorbed with deodorizing solution chemical reaction, and gas after the deodorization is discharged from the gas outlet through deodorizing barrier, improves the condition of gaseous loss during the anaerobic reaction, and the gas that produces when anaerobic treatment carries out deodorizing treatment, thereby protects the environment, improves whole anaerobic treatment system's factor of safety.

Description

Efficient anaerobic treatment system for wastewater generated in brewing of white spirit
Technical Field
The application relates to the field of wastewater treatment, in particular to a high-efficiency anaerobic treatment system for wastewater generated in brewing of white spirit.
Background
The traditional white spirit brewing adopts the traditional processes of artificial culture for old cellar, low-temperature fermentation, slow fire distillation, graded storage, elaborate blending and the like. Sewage with different concentrations and different amounts can be generated in operations such as solid state fermentation, distillation, cleaning sites and the like. The sewage mainly comprises retort bottom water, fermentation wastewater, cooling water, water for cleaning sites, water for washing bottles and the like, the cooling water and the water for washing bottles in the sewage can be recycled, and other sewage has the characteristics of high COD (chemical oxygen demand), high total nitrogen and high total phosphorus and can pollute the surrounding environment when being directly discharged. Therefore, a sewage station special for treating sewage is built around a factory for brewing the white spirit, and the sewage with high COD, high total nitrogen and high total phosphorus is further treated, so that the finally discharged wastewater reaches the discharge standard, and the environment is protected.
The existing sewage stations generally comprise a pretreatment stage, an anaerobic reaction stage and a final separation discharge stage according to the process flow. The anaerobic reaction stage is a core treatment stage, and the anaerobic treatment is an economic and effective treatment technology for reducing organic matters in the sewage and simultaneously generating methane gas by utilizing the metabolic characteristics of anaerobic microorganisms.
When the wastewater is treated by anaerobic microorganisms, some gases which generate odor and acidic corrosivity, such as hydrogen sulfide, ammonia and the like, are generated. The overflow of these gases from the sewage treatment plant of the sewage station can cause the sensory environment of the sewage station to be harsh. And a small amount of methane may escape in an anaerobic environment during fermentation of wastewater, thereby causing more serious environmental and safety hazards.
Disclosure of Invention
In order to improve the condition of gaseous loss during the anaerobic reaction, the gas that produces when anaerobic treatment carries out deodorization and handles to the environmental protection improves whole anaerobic treatment system's factor of safety, and this application provides a high-efficient anaerobic treatment system of white spirit brew waste water.
The application provides a high-efficient anaerobic treatment system of white spirit brew waste water adopts following technical scheme:
a high-efficiency anaerobic treatment system for wastewater generated in brewing of white spirit comprises an anaerobic reactor and a deodorization assembly, wherein the deodorization assembly comprises a deodorization box, a liquid storage box and a spray pipe;
the air inlet of the deodorization box is communicated with the air outlet of the anaerobic reactor through an air conveying pipeline, the deodorization solution is stored in the liquid storage box, the air conveying pipeline used for conveying the deodorization solution to the spray pipe is connected between the liquid storage box and the spray pipe, and the spray pipe is located in the deodorization box and located between the air outlet and the air inlet of the deodorization box.
Through adopting above-mentioned technical scheme, make various gases that produce in the anaerobic reactor remove to the deodorization incasement through gas transmission pipeline, spray deodorization solution in the deodorization incasement through the shower and form the deodorization barrier, thereby make the odor gas of deodorization incasement and deodorization solution chemical reaction absorbed, gas after the deodorization is discharged from the gas outlet of deodorization case through the deodorization barrier, thereby handle the gas that produces behind the anaerobic reaction, improve the condition of gaseous runaway during the anaerobic reaction, the gas that produces when handling the anaerobic treatment carries out the deodorization, thereby the environmental protection, improve whole anaerobic treatment system's factor of safety.
Preferably, the infusion line comprises a first tube section and a second tube section;
the first pipe section is provided with an infusion pump in a communicating mode, one end of the first pipe section is communicated with the liquid storage tank, and the other end of the first pipe section penetrates through the deodorization tank and is located inside the deodorization tank;
one end of the second pipe section is communicated and fixed with the other end of the first pipe section, the other end of the second pipe section is closed and vertically and downwards arranged, and the spraying pipe is communicated with the second pipe section.
Through adopting above-mentioned technical scheme, make deodorant solution get into the shower through first pipeline section and second pipeline section, provide power to deodorant solution through the transfer pump for the deodorant solution who sprays from the shower can have power to form the deodorization barrier.
Preferably, the plurality of spray pipes are horizontally arranged and are arranged at intervals in the vertical direction, one end of each spray pipe is closed, the other end of each spray pipe is communicated and fixed with the peripheral wall of the second pipe section, and the peripheral wall of each spray pipe is provided with a plurality of water spray holes at intervals.
Through adopting above-mentioned technical scheme, the area of spraying of deodorization solution can be enlarged to a plurality of shower, reduces the gas of part and not contact with deodorization solution and directly follow the gas outlet exhaust condition of deodorization case to optimize the deodorization performance of deodorization subassembly.
Preferably, the plurality of spray pipes distributed along the vertical direction are distributed in a staggered mode, and the plurality of spray pipes are distributed at intervals along the axial direction of the second pipe section in the circumferential direction.
Through adopting above-mentioned technical scheme, when down seeing from top to bottom for a plurality of shower is laid along the axis direction circumference interval of second pipeline section, thereby further expands the area that sprays of deodorization solution, and every shower is responsible for the spray area of certain limit, improves the utilization ratio of each shower simultaneously, improves the deodorization efficiency and the utilization ratio of deodorization solution, thereby further optimizes the deodorization performance of deodorization subassembly.
Preferably, the gas transmission pipeline comprises a transmission pipe section, a main gas inlet pipe section and an auxiliary gas inlet pipe section;
one end of the conveying pipe section is communicated with an exhaust port of the anaerobic reactor, and the other end of the conveying pipe section is provided with a main communicating port detachably communicated with the main air inlet pipe section and an auxiliary communicating port detachably communicated with the auxiliary air inlet pipe section;
and one ends of the main air inlet pipe section and the auxiliary air inlet pipe section, which are deviated from the air transmission pipeline, are communicated with the air inlet of the deodorization box, and air exhaust fans are arranged in the main air inlet pipe section and the auxiliary air inlet pipe section.
By adopting the technical scheme, because acidic gases such as hydrogen sulfide can corrode some equipment such as the air exhaust fan, the pipe section near the deodorization box can be splashed by the deodorization solution, the absorption liquid after the deodorization solution reacts with the hydrogen sulfide is attached to the pipe wall or the air exhaust fan can corrode the pipe section and the air exhaust fan, therefore, the pipe section near the deodorization box needs to be maintained and replaced by the equipment in the pipe section, and through replacement between the main air inlet pipe section and the auxiliary air inlet pipe section, the other one can also carry out gas transmission when one is maintained and replaced, thereby reducing the influence on the operation of the whole system due to the replacement of the maintenance pipe section, and improving the working efficiency of the system.
Preferably, the gas transmission pipeline is provided with a control assembly for controlling the communication state of the transmission pipeline section, the main gas inlet pipeline section and the auxiliary gas inlet pipeline section.
By adopting the technical scheme, the control assembly enables the conveying pipe section and the auxiliary air inlet pipe section to be in a disconnected state under normal conditions, and the conveying pipe section is communicated with the main air inlet pipe section. When maintaining main intake pipe section, need take into air the pipeline section with main and tear open, control assembly makes when can sealing main intercommunication mouth carry pipeline section and vice intake pipe section intercommunication, and gas can carry through vice intake pipe section to do not influence entire system work.
Preferably, the control assembly comprises a control baffle, a control rod group and a pushing pipe section;
the control baffle is rotatably arranged between the main communication port and the auxiliary communication port of the conveying pipe section and is used for rotatably covering the main communication port or the auxiliary communication port;
one end of the pushing pipe section is provided with an internal thread in threaded communication with the main air inlet pipe section, the other end of the pushing pipe section is provided with an external thread in threaded communication with the conveying pipe section, and the conveying pipe section is provided with an internal thread section in threaded connection with the pushing pipe section at a main communication opening;
the control rod group is connected with the control baffle and positioned between the control baffle and the pushing pipe section, and the pushing pipe section can control the rotation angle of the control baffle through the control rod group.
Through adopting above-mentioned technical scheme, when control assembly seals main intercommunication mouth, the control baffle closed to covering to vice intercommunication mouth this moment and seals, along with promoting the pipeline section and revolve the delivery pipe section of leaving, the control lever group drives the control baffle and rotates along the direction that is close to main intercommunication mouth, closes at main intercommunication mouth department until the control baffle lid, guides gas and gets into vice intake pipe section from vice intercommunication mouth when avoiding gas to spill over from main intercommunication mouth.
Preferably, the control lever group comprises
The pushing connecting rods are arranged along the axis direction of the main communication port, pushing sliding grooves are arranged on the inner peripheral wall of the conveying pipe section along the axis direction of the main communication port, the pushing connecting rods are slidably located in the pushing sliding grooves, one end of each pushing connecting rod is provided with a pushing block, and the pushing block penetrates through the pushing sliding grooves and is used for abutting against the pushing pipe section;
the sliding block is fixed at the other end of the pushing connecting rod and is in sliding connection with the control baffle, and a control chute for the sliding block to slide is formed in the control baffle;
the reset spring is arranged along the opening direction of the pushing chute, one end of the reset spring is fixed with the chute wall of the pushing chute, and the other end of the reset spring is fixed with one end of the pushing connecting rod, which is close to the pushing block;
and the reset torsion spring is connected with the control baffle and is used for driving the control baffle to rotate and cover the main communicating opening.
Through adopting above-mentioned technical scheme, when the main pipeline section of admitting air that maintains installs once more on carrying the pipeline section, promote the rotatory in-process that enters into the pipeline section of managing of pipeline section of pipeline, promote the pipeline section conflict and promote the promotion piece and remove along the direction that is close to the control baffle, it slides in promoting the spout along the direction that is close to the control baffle to drive simultaneously to promote the connecting rod, reset spring extension, reset torsion spring promotes the sliding block simultaneously and slides on the control baffle along with the slip direction that promotes the connecting rod, the control baffle rotates until the lid closes on vice intercommunication mouth to the direction that is close to vice intercommunication mouth gradually at the gliding in-process of sliding block, promote pipeline section stall, in order to realize the intercommunication of main pipeline section of admitting air and carrying the pipeline section.
Preferably, the intercommunication of gas outlet department of deodorization case is provided with the pipeline of giving vent to anger, the one end and the external world intercommunication that the pipeline of giving vent to anger deviates from the deodorization case, follow the direction that gas flow arrives the external world in the pipeline of giving vent to anger and set gradually hygroscopic agent and air discharge fan.
By adopting the technical scheme, the gas entering the gas outlet of the deodorization box is provided with partial water vapor, the partial water vapor is provided with absorption liquid which absorbs acid gases such as hydrogen sulfide and the like, and the water vapor is discharged to have certain influence on the environment, so that the water vapor is absorbed by the moisture absorbent, and the deodorized gas is further treated, so that the dryness of the gas finally discharged from the gas outlet pipeline is improved, and the exhaust quality of the whole system is improved; simultaneously the air discharge fan is convenient for get into the gas outgoing in the pipeline of giving vent to anger on the one hand and is external, and on the other hand guide is located the gas admission pipeline that the deodorization incasement has passed the deodorization barrier to reduce the probability that the interior formation micropressure environment of deodorization incasement, improve the speed that gaseous removed, thereby improve gaseous deodorant efficiency.
Preferably, the deodorizing solution is an alkaline solution.
Through adopting above-mentioned technical scheme, alkaline solution can neutralize and absorb the acid gas of hydrogen sulfide class, and the alkali lye selects the kind more, and it is effectual to take place the reaction with acid gas, and the time is short, and the deodorization process is short promptly for gas passes the very short time of deodorization screen and just can take place the reaction, thereby improves the deodorant effect of system.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the deodorization solution is sprayed into the deodorization box through the spray pipe to form the deodorization barrier, so that the odor gas in the deodorization box is absorbed by the chemical reaction with the deodorization solution, the deodorized gas is discharged from the gas outlet through the deodorization barrier, the gas dissipation condition during the anaerobic reaction is improved, and the gas generated during the anaerobic treatment is subjected to deodorization treatment, so that the environment is protected, and the safety coefficient of the whole anaerobic treatment system is improved;
2. the plurality of spray pipes are arranged at intervals along the axial direction of the second pipe section in the circumferential direction, the spray area of the deodorization solution is further enlarged, each spray pipe is responsible for a certain range of spray area, the utilization rate of each spray pipe is improved, the deodorization efficiency and the utilization rate of the deodorization solution are improved, and therefore the deodorization performance of the deodorization assembly is further optimized;
3. when the control assembly seals the main communicating opening, the control baffle covers and seals the auxiliary communicating opening, the control rod group drives the control baffle to rotate along the direction close to the main communicating opening along with the rotation of the pipe section pushing away from the conveying pipe section until the control baffle covers and seals the main communicating opening, and gas is guided to enter the auxiliary air inlet pipe section from the auxiliary communicating opening while the gas is prevented from overflowing from the main communicating opening.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a schematic view showing the internal structure of the deodorizing box according to the embodiment of the present application.
FIG. 3 is a schematic view showing the internal connection of the deodorization tank in the embodiment of the present application.
Fig. 4 is a schematic connection diagram of a control assembly in an embodiment of the present application.
Fig. 5 is a schematic connection diagram of the control lever group in the embodiment of the present application.
In the figure: 1. an anaerobic reactor; 11. an exhaust port; 2. a deodorization box; 21. an air inlet; 22. an air outlet; 3. a liquid storage tank; 4. a spray pipe; 41. a water spray hole; 5. a gas pipeline; 51. a delivery pipe section; 511. a main communication port; 512. a secondary communication port; 513. pushing the chute; 52. a main intake pipe section; 53. an auxiliary air inlet pipe section; 54. an air exhaust fan; 6. a fluid delivery conduit; 61. a first tube section; 62. a second tube section; 63. an infusion pump; 7. a control component; 71. a control baffle; 711. controlling the chute; 72. a control lever group; 721. pushing the connecting rod; 722. a pushing block; 723. a slider; 724. a return spring; 725. a return torsion spring; 726. an anti-drop slide block; 73. pushing the pipe section; 8. an air outlet pipe; 9. a moisture absorbent; 100. an exhaust fan.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses high-efficient anaerobic treatment system of white spirit brew waste water. Referring to fig. 1 and 2, the anaerobic treatment system includes an anaerobic reactor 1, a deodorization module, a gas transmission pipe 5, a liquid transmission pipe 6, a control module 7, and a gas output pipe 8.
Wherein the deodorization assembly comprises a deodorization box 2, a liquid storage box 3 and a spray pipe 4. Air inlet 21 and gas outlet 22 have been seted up on deodorization case 2, and gas outlet 22 is higher than air inlet 21 and is located deodorization case 2 tops, and shower 4 is provided with between air inlet 21 and the gas outlet 22 that a plurality of and a plurality of shower 4 is located deodorization case 2. The gas delivery pipe 5 communicates the gas outlet 11 of the anaerobic reactor 1 with the gas inlet 21 of the deodorizing tank 2 so that the gas generated in the anaerobic reactor 1 can enter the deodorizing tank 2. The storage has deodorant solution in the liquid reserve tank 3, and 6 intercommunication liquid reserve tanks 3 of infusion pipeline and the interior shower 4 of deodorant case 2 to deodorant solution sprays through shower 4 and forms the deodorization protective screen in deodorant case 2. So that the gas entering the deodorization tank 2 needs to pass through the deodorization barrier to move to the gas outlet 22. One end of the air outlet pipeline 8 is communicated with the air outlet 22 of the deodorization box 2, and the other end of the air outlet pipeline 8 is communicated with the outside so as to guide the deodorized air to be discharged to the outside.
In addition, in order to ensure that the deodorizing solution can chemically absorb acidic gases such as hydrogen sulfide, the deodorizing solution can be alkaline solutions such as sodium hydroxide solution, sodium carbonate solution, calcium hydroxide solution, ammonia water and the like. In addition, because the IC reactor is introduced with graded treatment, the impact load resistance is strong, the internal circulation structure in the IC reactor utilizes the expansion of methane to do work, and the internal circulation sludge backflow can be realized without external energy, therefore, the anaerobic reactor 1 is preferably an IC reactor.
When the gas generated in the anaerobic reactor 1 is deodorized, the gas enters the deodorization box 2 through the gas transmission pipeline 5, before that, the deodorization solution enters the spraying pipe 4 through the liquid conveying pipe 6, the spraying pipe 4 sprays the deodorization solution in the deodorization box 2, a deodorization barrier is formed between the air inlet 21 and the air outlet 22 of the deodorization tank 2, so that the gas entering the deodorization tank 2 needs to pass through the deodorization barrier in order to flow to the air outlet 22, the acidic gas in the gas passing through the deodorizing barrier is brought into contact with the alkaline solution to undergo a chemical reaction and thus is absorbed by the alkaline solution, so as to realize the deodorization of the gas, the deodorized gas can be discharged outside through the gas outlet pipeline 8, the gas dissipation condition during the anaerobic reaction is integrally improved, the gas generated during the anaerobic treatment is deodorized, thereby protecting the environment and improving the safety factor of the whole anaerobic treatment system.
Referring to fig. 1 and 2, the gas transmission pipeline 5 includes a transmission pipe section 51, a main gas inlet pipe section 52, a sub gas inlet pipe section 53, and a control assembly 7.
One end of the conveying pipe section 51 is fixedly communicated with the exhaust port 11 of the anaerobic reactor 1, and the other end of the conveying pipe section 51 is provided with two connectors, wherein the two connectors are a main communication port 511 fixedly communicated with the main air inlet pipe section 52 and an auxiliary communication port 512 fixedly communicated with the auxiliary air inlet pipe section 53. The main air intake pipe section 52 and the auxiliary air intake pipe section 53 are communicated with the air inlet 21 of the deodorization box 2 at ends far away from the conveying pipe section 51. So that the gas in the anaerobic reactor 1 can be introduced into the deodorizing tank 2 from the main gas inlet pipe section 52 and also can be introduced into the deodorizing tank 2 from the sub gas inlet pipe section 53.
The main air inlet pipe section 52 and the auxiliary air inlet pipe section 53 are both provided with the air exhaust fan 54 so as to guide air to enter the deodorization box 2, hydrogen sulfide is contained in the air before entering the deodorization box 2, the pipe sections near the deodorization box 2 are splashed by deodorization solution, absorption liquid generated after the deodorization solution reacts with the hydrogen sulfide is attached to the pipe wall or the air exhaust fan 54, so that the pipe sections and the air exhaust fan 54 are corroded, and therefore the pipe sections near the deodorization box 2 need to be maintained and replaced by equipment in the pipe sections.
Meanwhile, in order not to affect the normal operation of the deodorization tank 2 when the pipe sections are maintained and replaced, the main air inlet pipe section 52 and the auxiliary air inlet pipe section 53 are generally in a state of working in turn. The control assembly 7 is installed on the gas transmission pipeline 5 close to the main gas inlet pipe section 52 and the auxiliary gas inlet pipe section 53, and controls the communication state of the main communication port 511 and the auxiliary communication port 512 so as to control the communication state of the gas transmission pipeline 5 with the main gas inlet pipe section 52 and the auxiliary gas inlet pipe section 53.
In the normal operation state, the control unit 7 closes the secondary communication port 512 and communicates the primary communication port 511. Gas enters the deodorizing tank 2 from the main intake pipe section 52. When the main air inlet pipe section 52 is maintained and replaced, the main communication port 511 is in a closed state and the auxiliary communication port 512 is in a communication state through the control assembly 7, and air enters the deodorization box 2 through the auxiliary air inlet pipe section 53, so that the deodorization box 2 can normally work and is not influenced by pipe section maintenance and replacement.
As shown in fig. 3 and 4, the control assembly 7 includes a control flap 71, a set of control rods 72, and a push tube segment 73.
The control baffle 71 is positioned at the junction of the main communication port 511 and the auxiliary communication port 512 in the conveying pipe section 51 and is hinged with the conveying pipe section 51, and the axes of the main communication port 511 and the auxiliary communication port 512 are perpendicular to each other, so that the control baffle 71 can rotate in the direction close to the main communication port 511 or the auxiliary communication port 512 to cover the main communication port 511 or the auxiliary communication port 512. The pushing pipe section 73 is positioned between the conveying pipe section 51 and the main air inlet pipe section 52, one end of the pushing pipe section 73 is provided with an internal thread in threaded communication with the main air inlet pipe section 52, and the other end of the pushing pipe section 73 is provided with an external thread in threaded communication with the conveying pipe section 51.
Therefore, the conveying pipe section 51 is provided with an internal thread section in threaded connection with the pushing pipe section 73 at the main communication port 511, the outer peripheral wall of the main air inlet pipe section 52 is provided with an external thread end in threaded connection with the conveying pipe section 51, and the external thread section on the main air inlet pipe section 52 is longer than the internal thread section on the conveying pipe section 51, so that the pushing pipe section 73 is always connected with the main air inlet pipe section 52 when the pushing pipe section 73 is screwed off or screwed into the conveying pipe section 51. The sub intake pipe section 53 is threadedly coupled to the delivery pipe section 51 to facilitate replacement of the sub intake pipe section 53.
As also shown in fig. 5, the lever group 72 is located between the control flapper 71 and the push pipe section 73, and the lever group 72 includes a push link 721, a push block 722, a slide block 723, a return spring 724, and a return torsion spring 725. The inner peripheral wall of the conveying pipe section 51 close to the main communication port 511 is provided with a push sliding groove 513 along the axial direction of the main communication port 511, and the push connecting rod 721 is arranged along the axial direction of the main communication port 511 and is slidably inserted into the push sliding groove 513 to slide along the arrangement direction of the push sliding groove 513. One end of the push link 721 in the length direction faces the control flap 71, and the other end faces the push pipe section 73. The pushing block 722 is fixed at one end of the pushing link 721 facing the pushing pipe section 73 and passes through the pushing chute 513 to be located in the conveying pipe section 51. During the process of screwing the pushing pipe section 73 into the main communication port 511, the pushing pipe section 73 is in contact with the pushing block 722 and pushes the pushing connecting rod 721 to move in the direction approaching the control baffle 71 by pushing the pushing block 722.
A sliding block 723 is fixed to an end of the push link 721 facing away from the push block 722 and is slidably connected to the control stop 71. The control baffle 71 is provided with a control chute 711 slidably connected with the push link 721. When the push link 721 moves in the direction close to the control baffle 71, the sliding block 723 slides in the control chute 711, meanwhile, the push block 722, the push link 721 and the sliding block 723 are fixedly connected, when the control baffle 71 is pushed, the push link 721 is always arranged along the axial direction of the main communication port 511, therefore, the sliding block 723 can push the control baffle 71 to rotate in the direction away from the main communication port 511, namely, the control baffle 71 rotates in the direction close to the secondary communication port 512 until the control baffle 71 completely covers the secondary communication port 512, and at the moment, the external threads on the push pipe section 73 are completely screwed into the conveying pipe section 51, so that the communication between the conveying pipe section 51 and the main air inlet pipe section 52 and the disconnection between the conveying pipe section 51 and the secondary air inlet pipe section 53 are realized.
In order to prevent the pushing link 721 and the sliding block 723 from separating from the pushing sliding groove 513 or the control sliding groove 711 when pushing the control baffle 71, the pushing link 721 and the sliding block 723 are both fixed with an anti-drop sliding block 726, and anti-drop sliding grooves slidably connected with the anti-drop sliding block 726 are formed in the arrangement direction of the groove walls of the pushing sliding groove 513 and the control sliding groove 711. In order to make the sliding block 723 slide in the control chute 711 smoothly without jamming, the sliding block 723 is in a spherical shape, so that the friction force between the sliding block 723 and the control chute 711 is reduced, and the probability of breakage of the push link 721 due to deformation of the sliding block 723 and the control chute 711 due to excessive friction force is reduced.
In addition, the control baffle 71 can automatically cover the main communication port 511 when the pushing pipe section 73 is screwed off the conveying pipe section 51, so that the conveying pipe section 51 and the auxiliary air inlet pipe section 53 are communicated. A return spring 724 is fixed at one end of the push link 721 opposite to the push pipe section 73. The return spring 724 is disposed along the opening direction of the push chute 513 and one end of the return spring facing away from the push link 721 is fixed on a chute wall of the push chute 513. A return torsion spring 725 is connected to the control flap 71. The return torsion spring 725 pushes the control flap 71 to rotate to cover the main communication opening 511.
When the pipe section 73 is pushed to be screwed into the conveying pipe section 51, the return torsion spring 725 contracts while the return spring 724 extends; when the pushing pipe section 73 is screwed off the conveying pipe section 51, the return spring 724 retracts to drive the pushing link 721 to slide in the direction close to the pushing pipe section 73, and meanwhile, the return torsion spring 725 pushes the control baffle 71 to rotate in the direction close to the main communication opening 511 until the control baffle 71 completely covers the main communication opening 511, so that the effect of closing the main communication opening 511 by the control baffle 71 is achieved.
Referring to fig. 1 and 2, the feeding line 6 includes a first pipe section 61, a second pipe section 62, and a feeding pump 63.
The infusion pump 63 is communicatively disposed on the first tube section 61. One end of the first pipe section 61 is communicated with the liquid storage tank 3 and the other end passes through the deodorization tank 2 and is positioned at the top in the deodorization tank 2. The second pipe section 62 is positioned in the deodorization tank 2 and vertically arranged, the top end of the second pipe section 62 is fixedly communicated with the first pipe section 61, and the other end of the second pipe section 62 is vertically arranged downwards and positioned above the air inlet 21 of the deodorization tank 2. As shown in fig. 2 and 3, a plurality of shower pipes 4 are horizontally arranged and installed on the peripheral wall of the second pipe section 62 at regular intervals in the vertical direction. One end of the shower pipe 4 is communicated with the second pipe section 62, and the other end of the shower pipe 4 is arranged along the axial direction far away from the second pipe section 62. The shower pipe 4 is provided with a plurality of water spray holes 41 along the length direction thereof, and the water spray holes 41 are distributed along the horizontal direction so that the sprayed deodorizing solution forms a deodorizing barrier.
The deodorizing solution sprayed by the plurality of spraying pipes 4 is a part of the whole deodorizing barrier. Therefore, in order to improve the utilization rate of each part of the deodorizing barriers and to reduce the gaps between the deodorizing barriers, it is possible to prevent the gas from directly entering the gas outlet 22 without passing through the deodorizing barriers. The plurality of vertically spaced spray pipes 4 are arranged in a staggered manner, that is, the position angles of the two adjacent spray pipes 4 in the horizontal direction are different, and the plurality of spray pipes 4 are uniformly spaced in the horizontal direction along the axial direction of the second pipe section 62 in the circumferential direction. Each spray pipe 4 is responsible for the same range of spray area, and the utilization rate of each spray pipe 4 is improved, so that the deodorization performance of the deodorization assembly is further optimized.
Since the gas discharged from the gas outlet 22 contains water vapor, which may contain hydrogen sulfide absorption liquid, referring to fig. 2, a moisture absorbent 9 and an exhaust fan 100 are sequentially disposed in the gas outlet pipe 8 along the direction in which the gas flows to the outside.
Wherein, the moisture absorbent 9 can absorb the vapor that is mingled with in the gas that gets into the pipeline 8 of giving vent to anger, also can absorb the absorption liquid of the hydrogen sulfide in the vapor simultaneously to further improve the quality of exhaust gas, avoid the absorption liquid of hydrogen sulfide and exhaust fan 100 contact to cause the phenomenon of corruption to take place exhaust fan 100 simultaneously.
In addition, the exhaust fan 100 can guide the gas having passed through the deodorization barrier into the outlet duct 8, reducing the probability of forming a micro-pressure environment in the deodorization tank 2, thereby increasing the speed of gas movement and deodorization efficiency
The implementation principle of the high-efficiency anaerobic treatment system for the wastewater generated in the process of brewing the white spirit in the embodiment of the application is as follows: when the gas generated in the anaerobic reactor 1 is deodorized, firstly the gas enters the deodorization box 2 through the gas transmission pipeline 5, then the liquid transmission pump 63 is started, the deodorization solution enters the spray pipe 4 through the liquid transmission pipeline 6, the spray pipe 4 sprays the deodorization solution in the deodorization box 2, moreover, a deodorization barrier is formed between the gas inlet 21 and the gas outlet 22 of the deodorization box 2, so that the gas entering the deodorization box 2 needs to pass through the deodorization barrier when flowing to the gas outlet 22, the acid gas in the gas passing through the deodorization barrier is contacted with the alkaline solution to generate chemical reaction so as to be absorbed by the alkaline solution, so as to realize the deodorization of the gas, finally the deodorized gas is discharged outside through the gas outlet pipeline 8, finally the gas dissipation condition during the anaerobic reaction is improved on the whole, the gas generated during the anaerobic treatment is deodorized, so as to protect the environment, the safety factor of the whole anaerobic treatment system is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a high-efficient anaerobic treatment system of white spirit brew waste water which characterized in that: comprises an anaerobic reactor (1) and a deodorization assembly, wherein the deodorization assembly comprises a deodorization box (2), a liquid storage box (3) and a spray pipe (4);
air inlet (21) of deodorization case (2) and gas vent (11) of anaerobic reactor (1) are through gas transmission pipeline (5) intercommunication, the deodorization solution has been stored in liquid reserve tank (3), be connected with between liquid reserve tank (3) and shower (4) and be used for carrying infusion pipeline (6) of deodorization solution to shower (4), shower (4) are located in deodorization case (2) and are located between gas outlet (22) and the air inlet (21) of deodorization case (2).
2. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 1, characterized in that: the infusion line (6) comprises a first pipe section (61) and a second pipe section (62);
the first pipe section (61) is communicated with an infusion pump (63), one end of the first pipe section (61) is communicated with the liquid storage tank (3), and the other end of the first pipe section (61) penetrates through the deodorization tank (2) and is positioned in the deodorization tank (2);
one end of the second pipe section (62) is communicated and fixed with the other end of the first pipe section (61), the other end of the second pipe section (62) is closed and vertically and downwards arranged, and the spraying pipe (4) is communicated with the second pipe section (62).
3. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 2, characterized in that: the spraying pipes (4) are horizontally arranged and are provided with a plurality of spraying pipes (4), the spraying pipes (4) are arranged at intervals in the vertical direction, one end of each spraying pipe (4) is closed, the other end of each spraying pipe is communicated and fixed with the peripheral wall of the second pipe section (62), and the peripheral wall of each spraying pipe (4) is provided with a plurality of water spraying holes (41) at intervals.
4. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 3, characterized in that: the plurality of spray pipes (4) are arranged in a staggered mode along the vertical direction, and the plurality of spray pipes (4) are circumferentially arranged at intervals along the axis direction of the second pipe section (62).
5. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 1, characterized in that: the gas transmission pipeline (5) comprises a conveying pipe section (51), a main gas inlet pipe section (52) and an auxiliary gas inlet pipe section (53);
one end of the conveying pipe section (51) is communicated with an exhaust port (11) of the anaerobic reactor (1), and the other end of the conveying pipe section is provided with a main communicating port (511) which is detachably communicated with the main air inlet pipe section (52) and an auxiliary communicating port (512) which is detachably communicated with the auxiliary air inlet pipe section (53);
one ends of the main air inlet pipe section (52) and the auxiliary air inlet pipe section (53) departing from the air transmission pipeline (5) are communicated with the air inlet (21) of the deodorization box (2), and air exhaust fans (54) are arranged in the main air inlet pipe section (52) and the auxiliary air inlet pipe section (53).
6. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 5, characterized in that: and the gas transmission pipeline (5) is provided with a control assembly (7) for controlling the communication state of the transmission pipeline section (51), the main gas inlet pipeline section (52) and the auxiliary gas inlet pipeline section (53).
7. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 6, characterized in that: the control assembly (7) comprises a control baffle (71), a control rod group (72) and a pushing pipe section (73);
the control baffle (71) is rotatably arranged between the main communication port (511) and the auxiliary communication port (512) of the conveying pipe section (51) and is used for rotatably covering the main communication port (511) or the auxiliary communication port (512);
one end of the pushing pipe section (73) is provided with an internal thread in threaded communication with the main air inlet pipe section (52), the other end of the pushing pipe section (73) is provided with an external thread in threaded communication with the conveying pipe section (51), and the conveying pipe section (51) is provided with an internal thread section in threaded connection with the pushing pipe section (73) at a main communication opening (511);
the control rod group (72) is connected with the control baffle (71) and is positioned between the control baffle (71) and the pushing pipe section (73), and the pushing pipe section (73) can control the rotation angle of the control baffle (71) through the control rod group (72).
8. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 7, characterized in that: the control lever group (72) comprises
The pushing connecting rod (721) is arranged along the axial direction of the main communication port (511), a pushing sliding groove (513) is arranged on the inner peripheral wall of the conveying pipe section (51) along the axial direction of the main communication port (511), the pushing connecting rod (721) is located in the pushing sliding groove (513) in a sliding mode, a pushing block (722) is arranged at one end of the pushing connecting rod (721), and the pushing block (722) penetrates through the pushing sliding groove (513) and is used for abutting against the pushing pipe section (73);
the sliding block (723) is fixed to the other end of the pushing connecting rod (721) and is in sliding connection with the control baffle (71), and a control sliding groove (711) for the sliding block (723) to slide is formed in the control baffle (71);
the return spring (724) is arranged along the opening direction of the pushing chute (513), one end of the return spring is fixed with the chute wall of the pushing chute (513), and the other end of the return spring is fixed with one end of the pushing connecting rod (721) close to the pushing block (722);
and the reset torsion spring (725) is connected with the control baffle (71) and is used for driving the control baffle (71) to rotate and cover the main communicating opening (511).
9. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 1, characterized in that: the utility model discloses a deodorization box, including deodorization box (2), gas outlet (22) department intercommunication of deodorization box (2) is provided with pipeline (8) of giving vent to anger, the one end and the external intercommunication that deviate from deodorization box (2) of pipeline (8) of giving vent to anger, it has set gradually hygroscopic agent (9) and air discharge fan (100) to follow the direction that gas flow to the external world in pipeline (8) of giving vent to anger.
10. The efficient anaerobic treatment system for wastewater generated in brewing of white spirit according to claim 1, characterized in that: the deodorizing solution is an alkaline solution.
CN202210618623.XA 2022-06-01 2022-06-01 High-efficiency anaerobic treatment system for white wine brewing wastewater Active CN114804353B (en)

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JP2000342670A (en) * 1999-03-30 2000-12-12 Tsugio Inaba Deodorizing agent, deodorizing method, deodorizing member, and deodorizing device
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