阅读说明：本技术 一种垃圾填埋场原位生态修复装置及其方法 (in-situ ecological restoration device and method for refuse landfill ) 是由 朱洪恩 白刚 曾德勇 张茜 杨志龙 周丽 王晨叶 吕陈程 于 2019-10-14 设计创作，主要内容包括：本发明涉及垃圾处理技术领域,尤其是一种垃圾填埋场原位生态修复装置,包括底座,所述底座内部中空,所述底座上表面中部竖直安装有第一转轴,所述第一转轴底端竖直延伸至底座内部,且所述第一转轴底端安装有主动齿轮,所述底座上表面两竖直安装有第二转轴,所述第二转轴底端竖直延伸至底座内部,且所述第二转轴底端安装有从动齿轮,所述从动齿轮与主动齿轮啮合在一起。将生活垃圾产生的含有异味的气体进行抽取,将其抽入焚烧炉进行高温焚烧,使其中有毒有害的气体得到第一步焚化,产生大量二氧化碳、水和氨气,将这些气体送入冷压舱内进行冷凝、压缩,生成碳酸氢铵,以碳酸氢铵作为绿化的氮肥,对垃圾填埋场进行绿化。(The invention relates to the technical field of garbage treatment, in particular to an in-situ ecological restoration device for a garbage landfill, which comprises a base, wherein the base is hollow, a first rotating shaft is vertically arranged in the middle of the upper surface of the base, the bottom end of the first rotating shaft vertically extends into the base, a driving gear is arranged at the bottom end of the first rotating shaft, second rotating shafts are vertically arranged on two sides of the upper surface of the base, the bottom ends of the second rotating shafts vertically extend into the base, driven gears are arranged at the bottom ends of the second rotating shafts, and the driven gears are meshed with the driving gear. Extracting the gas containing peculiar smell generated by the household garbage, pumping the gas into the incinerator for high-temperature incineration, incinerating the toxic and harmful gas in the first step to generate a large amount of carbon dioxide, water and ammonia gas, sending the gas into the cold pressing cabin for condensation and compression to generate ammonium bicarbonate, and greening the refuse landfill by taking the ammonium bicarbonate as a nitrogen fertilizer for greening.)

1. The utility model provides a landfill normal position ecological remediation device, includes base (1), its characterized in that: the base (1) is hollow, a first rotating shaft (2) is vertically arranged in the middle of the upper surface of the base (1), the bottom end of the first rotating shaft (2) vertically extends into the base (1), a driving gear (4) is arranged at the bottom end of the first rotating shaft (2), second rotating shafts (3) are vertically arranged on two sides of the upper surface of the base (1), the bottom end of each second rotating shaft (3) vertically extends into the base (1), a driven gear (5) is arranged at the bottom end of each second rotating shaft (3), the driven gear (5) is meshed with the driving gear (4), an agitator tank (7) is arranged on the upper surface of the base (1), the top end of the agitator tank (7) is provided with an opening, a sealing cover (8) is arranged on the upper end face of the agitator tank (7), and the top end of the first rotating shaft (2) vertically extends to the position above the sealing cover, the utility model discloses a novel energy-saving incinerator, including first pivot (2) top and driving motor (9) output shaft coaxial line, motor (9) are installed at sealed lid (8) upper surface middle part, inside second pivot (3) top extended to agitator tank (7), just agitator tank (7) is located in second pivot (3) the part install stirring paddle leaf (6), agitator tank (7) one side top level intercommunication has tuber pipe (18), fan (10) are installed to tuber pipe (18) one end, tuber pipe (18) other end internally mounted has anti-return mechanism, the one end and the burning furnace (11) intercommunication of agitator tank (7) are kept away from in tuber pipe (18), burn burning furnace (11) top through the top intercommunication of pipeline with cold ballast (13), install electromagnetic valve (12) on the pipeline between burning furnace (11) and the cold pressing cabin (13), burn burning furnace (11) bottom through pipeline and purification tank (14) intercommunication, a water pump (15) is installed on one side of the upper surface of the purification tank (14), a water inlet of the water pump (15) is communicated with the purification tank (14), and a water outlet of the water pump (15) is communicated with the bottom end of the cold pressing cabin (13).

2. The in-situ ecological restoration device for the refuse landfill according to claim 1, wherein the backflow prevention mechanism comprises a baffle plate (19), a guide rod (20), exhaust holes (21), an exhaust groove (22), a spring (23), an adjusting nut (24) and a piston (25), the baffle plate (19) is installed in the air pipe (18), the air pipe (18) is separated by the baffle plate (19), the exhaust holes (21) are formed in two sides of the baffle plate (19), the guide rod (20) is horizontally inserted into the middle of the baffle plate (19) through the holes, the adjusting nut (24) is screwed at one end of the guide rod (20), the piston (25) is installed on the guide rod (20) between the adjusting nut (24) and the baffle plate (19), the spring (23) is sleeved on the guide rod (20) between the piston (25) and the baffle plate (19), and the spring (23) is always in a compressed state, the air groove (22) is horizontally arranged on the inner side wall of the air pipe (18) between the baffle plate (19) and the piston (25).

3. The in-situ ecological restoration device for the refuse landfill according to claim 1, wherein a plurality of visible windows (17) are vertically formed on the side wall of the incinerator (11).

4. the in-situ ecological restoration device for the refuse landfill according to claim 1, wherein one side of the cold ballast chamber (13) is communicated with an air pressure gauge (16).

5. an in-situ ecological remediation method for a landfill according to any one of claims 1 to 4, comprising the steps of:

S1: classifying the household garbage, and removing waste electrons, waste energy-saving lamps and waste button batteries to obtain pretreated household garbage;

S2: the method comprises the following steps of (1) loading the pretreated household garbage into a stirring tank (7), starting a driving motor (9), stirring and crushing the garbage in the stirring tank (7), wherein the crushed particle size is 2-4 cm;

S3: adding biogas slurry in a normal fermentation biogas pool into a stirring tank (7), immersing the crushed household garbage raw materials, and carrying out soaking treatment for 14-18 days, wherein the biogas slurry is stirred for 2-4 times every day;

S4: adding anaerobic bacteria into the stirring tank (7), adjusting the pH value to 7.3-8.3, and sealing by a sealing cover (8) for 75-90 days;

S5: opening a fan (10), pumping gas generated in the stirring tank (7) into an incinerator (11), and obtaining decomposed organic fertilizer and biogas slurry in the stirring tank (7);

s6: starting the incinerator (11) to incinerate the gas in the incinerator, wherein oxygen needs to be continuously introduced during the incineration, and the gas in the incinerator is completely incinerated;

S7: opening the electromagnetic valve (12), enabling gas in the incinerator (11) to enter the cold pressing cabin (13), enabling liquid generated after incineration to flow into the purification tank (14), enabling the liquid to be precipitated and layered in the purification tank (14), and enabling the gas to enter the cold pressing cabin (13) for pressurization and cooling;

S8: pumping part of supernatant in the purifying tank (14) into a cold ballast (13) through a water pump (15), and keeping the cold ballast (13) in a state of continuous pressurization and continuous cooling all the time until crystals are precipitated;

S9: the solid-liquid mixture in the cold ballast (13) is centrifugally dewatered to obtain ammonium bicarbonate.

6. The use method of the in-situ ecological restoration device for the refuse landfill according to claim 5, wherein the carbon dioxide adsorbent is added into the purification tank 2-3 times in S7.

7. The in-situ ecological remediation method for a landfill site as claimed in claim 5, wherein the anaerobic bacteria in S4 is EM bacteria, and the amount of the added anaerobic bacteria is 100-120 g/m mixture.

8. The in-situ ecological remediation method of a landfill site of claim 5, wherein the ammonium bicarbonate in S9 can be used as nitrogen fertilizer directly for landfill greening.

Technical Field

The invention relates to the technical field of garbage treatment, in particular to an in-situ ecological restoration device and method for a garbage landfill.

background

The stink of the garbage is generated by decomposing organic components in the garbage by bacteria, 75-80% of the domestic garbage is organic matters, and mainly comprises peels, vegetable stalks, leftovers/vegetables, skins, furs, viscera, fat, excrement, leftovers/blood water, leaves, waste paper, flowers and plants, organisms of animals and the like and certain moisture.

Disclosure of Invention

The invention aims to solve the defect that a large amount of toxic and harmful irritant gas is generated in a refuse landfill in the prior art, and provides an in-situ ecological restoration device and method for the refuse landfill.

In order to achieve the purpose, the invention adopts the following technical scheme:

The in-situ ecological restoration device for the refuse landfill comprises a base, wherein the base is hollow, a first rotating shaft is vertically arranged in the middle of the upper surface of the base, the bottom end of the first rotating shaft vertically extends into the base, a driving gear is arranged at the bottom end of the first rotating shaft, second rotating shafts are vertically arranged on two sides of the upper surface of the base, the bottom end of each second rotating shaft vertically extends into the base, a driven gear is arranged at the bottom end of each second rotating shaft and is meshed with the driving gear, a stirring tank is arranged on the upper surface of the base, the top end of the stirring tank is open and is provided with a sealing cover, the top end of the first rotating shaft vertically extends above the sealing cover, the top end of the first rotating shaft is coaxially connected with an output shaft of a driving motor, the motor is arranged in the middle of the upper surface of the sealing cover, and the top end of the second rotating shaft extends into, just stirring paddle leaf is installed to the part that the second pivot is located the agitator tank, agitator tank one side top level intercommunication has the tuber pipe, the fan is installed to tuber pipe one end, tuber pipe other end internally mounted has anti-return mechanism, the one end that the agitator tank was kept away from to the tuber pipe with burn burning furnace intercommunication, burn burning furnace top and pass through the top intercommunication of pipeline and cold pressing cabin, burn and install solenoid valve on the pipeline between burning furnace and the cold pressing cabin, burn burning furnace bottom and pass through pipeline and purification tank intercommunication, the water pump is installed to purification tank upper surface one side, the water inlet and the purification tank intercommunication of water pump, the delivery port intercommunication of water pump is in the bottom in the cold pressing cabin.

Preferably, anti-return mechanism includes baffle, guide bar, exhaust hole, air discharge duct, spring, adjusting nut and piston, the baffle is installed in the tuber pipe, just the baffle cuts off the tuber pipe, the exhaust hole has been seted up to the baffle both sides, the guide bar passes through the horizontal cartridge of trompil at the baffle middle part, guide bar one end spiro union has adjusting nut, the piston is installed on the guide bar between adjusting nut and baffle, the cover is equipped with the spring on the guide bar between piston and the baffle, the spring is in compression state all the time, the air duct level is seted up on the tuber pipe inside wall between baffle and piston.

preferably, a plurality of visual windows are vertically arranged on the side wall of the incinerator.

preferably, a barometer is communicated with one side of the cold pressing cabin.

The invention also provides an in-situ ecological restoration method for the refuse landfill, which comprises the following steps:

S1: classifying the household garbage, and removing waste electrons, waste energy-saving lamps and waste button batteries to obtain pretreated household garbage;

s2: loading the pretreated household garbage into a stirring tank, starting a driving motor, and stirring and crushing the garbage in the stirring tank, wherein the crushed particle size is 2-4 cm;

s3: adding biogas slurry in a normal fermentation biogas pool into a stirring tank, immersing the crushed household garbage raw materials, and carrying out soaking treatment for 14-18 days, wherein the biogas slurry is stirred for 2-4 times every day;

s4: adding anaerobic bacteria into the stirring tank, adjusting the pH value to 7.3-8.3, sealing with a sealing cover, and keeping for 75-90 days;

S5: opening a fan, pumping gas generated in a stirring tank into the incinerator, and obtaining decomposed organic fertilizer and biogas slurry in the stirring tank;

S6: starting the incinerator to incinerate gas in the incinerator, wherein oxygen needs to be continuously introduced during the incineration, and the gas in the incinerator is completely incinerated;

S7: opening the electromagnetic valve, enabling gas in the incinerator to enter the cold pressing cabin, enabling liquid generated after incineration to flow into the purification tank, enabling the liquid to be precipitated and layered in the purification tank, and enabling the gas to enter the cold pressing cabin for pressurization and cooling;

S8: pumping partial supernatant in the purification tank into a cold ballast by a water pump, and keeping the cold ballast in a state of continuous pressurization and continuous cooling all the time until crystals are precipitated;

S9: and centrifugally dewatering the solid-liquid mixture in the cold pressing cabin to obtain the ammonium bicarbonate.

preferably, the carbon dioxide adsorbent is added into the purification tank 2-3 times in the S7.

preferably, the anaerobic bacteria agent in S4 is EM bacteria agent, and the addition amount of the anaerobic bacteria agent is 100-120 g/cubic meter mixture.

Preferably, the ammonium bicarbonate in S9 can be used as nitrogen fertilizer directly for greening and planting in the refuse landfill.

the in-situ ecological restoration device and method for the refuse landfill, provided by the invention, have the beneficial effects that: this ecological prosthetic devices of landfill normal position extracts the gas that contains the peculiar smell that domestic waste produced, burns it with its suction incinerator high temperature, makes wherein poisonous and harmful gas obtain the first step incineration, produces a large amount of carbon dioxide, water and ammonia, sends into these gases and condenses, compresses in the cold pressing cabin, generates ammonium bicarbonate to ammonium bicarbonate is as the nitrogenous fertilizer of afforestation, afforests the landfill.

drawings

Fig. 1 is a schematic structural diagram of an in-situ ecological restoration device for a refuse landfill.

fig. 2 is an enlarged view of the backflow prevention mechanism of the in-situ ecological restoration device for the refuse landfill.

Fig. 3 is a working schematic diagram of the in-situ ecological restoration device for the refuse landfill.

in the figure: the device comprises a base 1, a first rotating shaft 2, a second rotating shaft 3, a driving gear 4, a driven gear 5, a stirring blade 6, a stirring tank 7, a sealing cover 8, a driving motor 9, a fan 10, an incinerator 11, an electromagnetic valve 12, a cold pressing cabin 13, a purification tank 14, a water pump 15, a gas pressure gauge 16, a visible window 17, an air pipe 18, a baffle plate 19, a guide rod 20, an exhaust hole 21, an exhaust groove 22, a spring 23, an adjusting nut 24 and a piston 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

referring to fig. 1, an in-situ ecological restoration device for a refuse landfill comprises a base 1, wherein the base 1 is hollow, a first rotating shaft 2 is vertically arranged in the middle of the upper surface of the base 1, the bottom end of the first rotating shaft 2 vertically extends into the base 1, a driving gear 4 is arranged at the bottom end of the first rotating shaft 2, second rotating shafts 3 are vertically arranged on two upper surfaces of the base 1, the bottom ends of the second rotating shafts 3 vertically extend into the base 1, a driven gear 5 is arranged at the bottom end of the second rotating shaft 3, the driven gear 5 is meshed with the driving gear 4, a stirring tank 7 is arranged on the upper surface of the base 1, the top end of the stirring tank 7 is open, a sealing cover 8 is arranged on the upper end surface of the stirring tank 7, the top end of the first rotating shaft 2 vertically extends above the sealing cover 8, the top end of the first rotating shaft 2 is coaxially connected with an output shaft of a driving motor 9, and stirring paddle 6 is installed to the part that second pivot 3 is located agitator tank 7, and agitator tank 7 is used for carrying out breakage and mixing to domestic waste, and two stirring paddle 6 can stir jar interior rubbish simultaneously, improve stirring efficiency.

Agitator tank 7 one side top level intercommunication has tuber pipe 18, fan 10 is installed to 18 one ends of tuber pipe, 18 other end internally mounted of tuber pipe has anti-return mechanism, the one end and the burning furnace 11 intercommunication of agitator tank 7 are kept away from to tuber pipe 18, burn and vertically seted up a plurality of visual windows 17 on the 11 lateral walls of burning furnace, burn 11 tops of burning furnace and pass through the pipeline and the top intercommunication in cold-pressing cabin 13, cold-pressing cabin 13 one side intercommunication has barometer 16, burn and install solenoid valve 12 on the pipeline between 11 and the cold-pressing cabin 13 of burning furnace, 11 bottoms of burning furnace are passed through the pipeline and are communicate with purification tank 14, water pump 15 is installed to purification tank 14 upper surface one side, water pump 15's water inlet and purification tank 14 intercommunication, water pump. The fan 10 is used for extracting the gas containing peculiar smell in the stirring tank 7, pumping the gas into the incinerator 11 for high-temperature incineration, so that the toxic and harmful gas is incinerated in the first step to generate a large amount of carbon dioxide, water and ammonia gas, the gas is sent into the cold ballast 13 for condensation and compression to generate ammonium bicarbonate, and the ammonium bicarbonate is used as a nitrogen fertilizer for greening to perform greening on the refuse landfill.

Referring to fig. 2, the backflow prevention mechanism comprises a baffle 19, a guide rod 20, exhaust holes 21, exhaust grooves 22, springs 23, adjusting nuts 24 and a piston 25, the baffle 19 is installed in the air duct 18, the baffle 19 separates the air duct 18, the exhaust holes 21 are formed in two sides of the baffle 19, the guide rod 20 is horizontally inserted into the middle of the baffle 19 through an opening, the adjusting nuts 24 are screwed at one end of the guide rod 20, the piston 25 is installed on the guide rod 20 between the adjusting nuts 24 and the baffle 19, the springs 23 are sleeved on the guide rod 20 between the piston 25 and the baffle 19, the springs 23 are always in a compressed state, and the air grooves 22 are horizontally formed in the inner side wall of the air duct 18 between the baffle 19 and the piston 25. The square backflow mechanism can prevent the gas generated in the stirring tank 7 from entering the incinerator 11 and then flowing back into the stirring tank 7 again due to the pressure.

an in-situ ecological restoration method for a refuse landfill, which comprises the following steps:

s1: classifying the household garbage, and removing waste electrons, waste energy-saving lamps and waste button batteries to obtain pretreated household garbage;

S2: loading the pretreated household garbage into a stirring tank 7, starting a driving motor 9, and stirring and crushing the garbage in the stirring tank 7, wherein the crushed particle size is 2-4 cm;

s3: adding biogas slurry in a normal fermentation biogas pool into a stirring tank 7, immersing the crushed household garbage raw materials, and carrying out soaking treatment for 14-18 days, wherein the biogas slurry is stirred for 2-4 times every day;

S4: adding anaerobic bacteria into the stirring tank 7, adjusting the pH value to 7.3-8.3, and sealing by a sealing cover 8 for 75-90 days; the anaerobic bacteria agent is EM bacteria agent, and the adding amount of the anaerobic bacteria agent is 100-120 g/cubic meter mixture.

s5: opening a fan 10, pumping gas generated in the stirring tank 7 into an incinerator 11, and obtaining decomposed organic fertilizer and biogas slurry in the stirring tank 7; adding carbon dioxide adsorbent into the purification tank for 2-3 times

S6: starting the incinerator 11 to incinerate the gas in the incinerator, wherein oxygen needs to be continuously introduced during the incineration, so that the gas in the incinerator is completely incinerated;

S7: opening the electromagnetic valve 12, the gas in the incinerator 11 can enter the cold pressing cabin 13, the liquid generated after incineration flows into the purification tank 14, the liquid is precipitated and layered in the purification tank 14, and the gas enters the cold pressing cabin 13 for pressurization and cooling;

s8: pumping part of supernatant in the purification tank 14 into the cold ballast 13 through a water pump 15, and keeping the cold ballast 13 in a state of continuous pressurization and continuous cooling all the time until crystals are precipitated;

s9: and (3) centrifugally dewatering the solid-liquid mixture in the cold pressing cabin 13 to obtain ammonium bicarbonate which can be used as a nitrogen fertilizer to be directly used for greening and planting in a refuse landfill.

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 to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.