CN215102300U

CN215102300U - Tail end denitrification process device for cover lagoon methane tank

Info

Publication number: CN215102300U
Application number: CN202121133205.9U
Authority: CN
Inventors: 单晓明
Original assignee: Shanghai Runmu Electromechanical Equipment Co ltd
Current assignee: Shanghai Runmu Electromechanical Equipment Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-10
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a lid purges terminal denitrogenation process units of lake methane-generating pit relates to lid purges lake methane-generating pit technical field, for solving current traditional denitrogenation technology when using, strong adaptability, but the energy consumption is big, when using the ion exchange method, the resin quantity is big, and regeneration is difficult, leads to the working costs height for the problem of denitrogenation inefficiency. The utility model discloses a marsh gas tank, including lid xie hu marsh gas tank, one side of lid xie hu marsh gas tank is installed and is premixed the pond, one side of premixing the pond is provided with the curing pond, the one end of premixing the pond is provided with aeration equipment, PLC remote control is installed to aeration equipment's one end, one side of curing pond is provided with mixes the pond discharge pipe in advance, the manometer is installed in the outside of lid xie hu marsh gas tank, and the outside welded connection of manometer and lid xie hu marsh gas tank, the top of lid xie hu marsh gas tank is provided with flip, flip's top is installed and is pressed the inductor, and presses the top integrated into one piece setting of inductor and flip.

Description

Tail end denitrification process device for cover lagoon methane tank

Technical Field

The utility model relates to the technical field of cover lagoon methane tanks, in particular to a tail end denitrification process device of a cover lagoon methane tank.

Background

The characteristics of the manure of the pig farm at present are as follows: COD, NH3-N and SS are high, the discharge amount of excrement and the discharge concentration fluctuation are large, the pollutant removal rate can reach more than 80 percent by large-volume fermentation of the cover lagoon methane tank according to the space-to-time theory, the C: N ratio of the water discharged from the tail end is disordered, pressure is generated on the following biochemical process, the nitrification and denitrification effect is poor, and the required standard is difficult to achieve, so the denitrification at the tail end of the cover lagoon methane tank is particularly important. The common traditional denitrification process comprises the following steps: the ammonia stripping method has simple process and strong adaptability, but has large energy consumption and is easy to cause secondary pollution; the ion exchange method has a little effect on removing ammonia nitrogen, but has large resin dosage and difficult regeneration, thereby causing high operation cost.

The prior traditional denitrification process has strong adaptability but large energy consumption, and when an ion exchange method is used, the resin has large dosage and difficult regeneration, thereby causing high operating cost and low denitrification efficiency; therefore, the existing requirements are not met, and a terminal denitrification process device of a cover lagoon methane tank is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lid purges terminal denitrogenation process units of lake methane-generating pit to solve the current traditional denitrogenation technology that provides in the above-mentioned background art when using, strong adaptability, but the energy consumption is big, when using the ion exchange method, the resin quantity is big, and regeneration is difficult, leads to the working costs high, makes the problem of denitrogenation inefficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lid purgation lake methane-generating pit end denitrogenation process units, includes lid purgation lake methane-generating pit, the one side of lid purgation lake methane-generating pit is installed and is premixed the pond, one side of premixing the pond is provided with the curing tank, the one end of premixing the pond is provided with aeration equipment, PLC remote controller is installed to aeration equipment's one end, one side of curing tank is provided with mixes the pond discharge pipe in advance.

Preferably, the pressure gauge is installed on the outer side of the cover lagoon methane tank, the pressure gauge is welded to the outer side of the cover lagoon methane tank, a flip cover is arranged above the cover lagoon methane tank, a pressing sensor is installed above the flip cover, the pressing sensor and the flip cover are integrally formed, and a water outlet pipe is arranged at one end of the cover lagoon methane tank.

Preferably, the inside of the water outlet pipe is provided with a flowmeter, the flowmeter is connected with the inside of the water outlet pipe in a welding manner, the inner wall of the water outlet pipe is provided with an anticorrosive coating, the anticorrosive coating and the inner wall of the water outlet pipe are integrally formed, and the lower end of the water outlet pipe is provided with a film pressing groove.

Preferably, the pilot lamp is installed to the top of premixing pond, and the pilot lamp sets up with the top integrated into one piece of premixing pond, one side of pilot lamp is provided with enzyme preparation and adds equipment, gas-sensing ware is installed to one side that enzyme preparation adds equipment, the outside of premixing pond is provided with the sealing washer.

Preferably, one end of the enzyme preparation adding device is provided with an enzyme preparation adding pipe, one side of the enzyme preparation adding pipe is provided with an air pressure sensor, one end of the enzyme preparation adding pipe is provided with an overflow reflux pipe, the inner wall of the overflow reflux pipe is provided with a waterproof layer, and the waterproof layer and the inner wall of the overflow reflux pipe are integrally formed.

Preferably, the aeration pipe is installed to aeration equipment's one end, the one end of aeration pipe is provided with the liquid level inductor, and the one end welded connection of liquid level inductor and aeration pipe, connection terminal is installed in the outside of aeration pipe.

Preferably, the power supply module is installed to the one end of PLC remote control ware, one side of PLC remote control ware is provided with electric valve controller, electric control valve is installed to electric valve controller's one end, electric control valve's one end is provided with the relay, and relay and electric control valve's one end welded connection.

Preferably, a curing pool discharge pipe is installed at one end of the curing pool, a dismounting plate is arranged on the surface of the curing pool, an adjusting button is installed on the surface of the dismounting plate, and the adjusting button is welded with the dismounting plate.

Preferably, an electric valve is installed at one end of the curing pool discharge pipe, a connection port is arranged at one end of the electric valve, and the connection port is welded with one end of the electric valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an add enzyme preparation in the premixing pond, through electric valve control addition, enzyme preparation's addition proportion is 0.75% ~0.1%, through aeration conduit with enzyme preparation and excrement sewage intensive mixing reaction, current lid purges the terminal exhaust excrement sewage carbon nitrogen ratio imbalance of lake methane-generating pit, can't reach efficient nitration denitrification reaction in the AO system, through at lid purges the terminal denitrification facility that increases of lake methane-generating pit, reduce the concentration of ammonia nitrogen in the excrement sewage, the efficiency of getting rid of that utilizes this device can reach more than 80%, the civil engineering of greatly reduced later stage technology, the manpower, the dosage cost.

2. The liquid organic fertilizer can be prepared by the biogas slurry after the reaction in the curing tank, the virtues of the biogas slurry can be exerted after the reaction with the enzyme preparation, the inferiority of the biogas slurry is improved, the accommodation capacity of soil to the biogas slurry is enlarged, the safety of crops is ensured after the biogas slurry is applied in large quantity, the whole-process automatic control of the denitrification process device at the tail end of the lake covering biogas digester can be realized, the dosing amount of the enzyme preparation of the whole system can be well mastered, the time can be well mastered, the operation can be carried out on a control touch screen, the whole system is more automatic and intelligent, the workload of manual operation is reduced, and the labor cost is reduced.

3. The biogas slurry generated after the reaction of the enzyme preparation and the feces at the tail end of the lagoon methane tank can be used for preparing liquid organic fertilizer, soil culture and water culture plants are favored, the harmless treatment of the feces is realized, and the purpose of planting and breeding combination is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a partial enlarged view of the cover lagoon methane tank of the present invention;

FIG. 5 is a schematic diagram of the system of the present invention;

in the figure: 1. cover lagoon methane tank; 2. a premixing pool; 3. a curing tank; 4. a water outlet pipe; 5. a pre-mixing pool discharge pipe; 6. an aeration pipe; 7. an enzyme preparation addition tube; 8. a discharging pipe of the curing pool; 9. pressing a film groove; 10. a seal ring; 11. a pressure gauge; 12. a gas sensor; 13. an indicator light; 14. connecting a terminal; 15. disassembling the plate; 16. an adjusting knob; 17. an anticorrosive layer; 18. a connection port; 19. a flow meter; 20. an air pressure sensor; 21. a liquid level sensor; 22. an overflow reflux pipe; 23. an electrically operated valve; 24. a cover is turned; 25. pressing the sensor; 26. a power supply module; 27. a PLC remote controller; 28. an enzyme preparation addition device; 29. an electrically operated valve controller; 30. a waterproof layer; 31. an aeration device; 32. an electric control valve; 33. a relay.

Detailed Description

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

Referring to fig. 1-5, the present invention provides an embodiment: a tail end denitrification process device of a cover lagoon methane tank comprises a cover lagoon methane tank 1, wherein a premixing tank 2 is installed on one side of the cover lagoon methane tank 1, a curing tank 3 is arranged on one side of the premixing tank 2, an aeration device 31 is arranged at one end of the premixing tank 2, a PLC remote controller 27 is installed at one end of the aeration device 31, and a premixing tank discharge pipe 5 is arranged on one side of the curing tank 3.

Further, a pressure gauge 11 is installed on the outer side of the cover lagoon methane tank 1, the pressure gauge 11 is connected with the outer side of the cover lagoon methane tank 1 in a welding mode, a flip cover 24 is arranged above the cover lagoon methane tank 1, a pressing sensor 25 is installed above the flip cover 24, the pressing sensor 25 and the flip cover 24 are integrally formed, a water outlet pipe 4 is arranged at one end of the cover lagoon methane tank 1, an enzyme preparation adding device 28 is firstly in butt joint with the premixing tank 2, appropriate subsequent devices are installed through a connecting port 18 on a curing tank discharge pipe 8, and parameters are adjusted through a PLC (programmable logic controller) 27.

Further, the inside of outlet pipe 4 installs flowmeter 19, and flowmeter 19 and outlet pipe 4's inside welded connection, the inner wall of outlet pipe 4 is provided with anticorrosive coating 17, and anticorrosive coating 17 and the inner wall integrated into one piece setting of outlet pipe 4, the lower extreme of outlet pipe 4 is installed and is pressed the membrane ditch 9, and enzyme preparation adds pipe 7 and sets up the electric control valve 32 that is used for control flow simultaneously, and electric control valve 32 is chain with relay 33, carries out the timing.

Further, pilot lamp 13 is installed to the top of premixing pond 2, and pilot lamp 13 sets up with the top integrated into one piece of premixing pond 2, one side of pilot lamp 13 is provided with enzyme preparation and adds equipment 28, gas sensor 12 is installed to one side that enzyme preparation added equipment 28, the outside of premixing pond 2 is provided with sealing washer 10, and excrement and sewage enters premixing pond 2 through outlet pipe 4 autonomous flow in the lid purgative lake methane-generating pit 1, and outlet pipe 4 gets into premixing pond 2 through the press mold ditch 9 that passes lid purgative lake methane-generating pit 1, and the excrement and sewage that enzyme preparation adds pipe 7 entering premixing pond 2 and outlet pipe 4 reacts 30 minutes in premixing pond 2, need aerate premixing pond 2 to the external input aeration pipeline 6 to the reaction process.

Further, an enzyme preparation adding pipe 7 is arranged at one end of the enzyme preparation adding device 28, an air pressure sensor 20 is installed at one side of the enzyme preparation adding pipe 7, an overflow backflow pipe 22 is arranged at one end of the enzyme preparation adding pipe 7, a waterproof layer 30 is installed on the inner wall of the overflow backflow pipe 22, the waterproof layer 30 and the inner wall of the overflow backflow pipe 22 are integrally formed, meanwhile, an electric regulating valve 32 for controlling flow is arranged on the enzyme preparation adding pipe 7, and the electric regulating valve 32 is linked with a timer 33 to perform timing.

Further, aeration pipe 6 is installed to aeration equipment 31's one end, aeration pipe 6's one end is provided with liquid level inductor 21, and liquid level inductor 21 and aeration pipe 6's one end welded connection, connection terminal 14 is installed in aeration pipe 6's the outside, utilizes to set up level sensor 21 in the premixing pond 2, and when the liquid level was in low liquid level, aeration equipment 31 opened, stirs through aeration pipe 6 and mixes 2 interior excrement sewage in the premixing pond.

Further, power module 26 is installed to the one end of PLC remote control 27, one side of PLC remote control 27 is provided with electric valve controller 29, electric control valve 32 is installed to electric valve controller 29's one end, electric control valve 32's one end is provided with time relay 33, and time relay 33 and electric control valve 32's one end welded connection, and the terminal curing pond discharge pipe 8 in curing pond 3 is provided with automatic electric valve 23 of opening, and the ration of control excrement sewage gets into and reacts in the next flow.

Further, curing pond discharge pipe 8 is installed to the one end of curing pond 3, the surface of curing pond 3 is provided with dismantlement board 15, the surface mounting of dismantlement board 15 has adjusting button 16, and adjusting button 16 and dismantlement board 15 welded connection, and the excrement sewage that reacts completely in premixing pond 2 gets into curing pond 3 through premixing pond 2 discharge pipe 5, carries out anaerobic reaction in curing pond 3, reaches to react in the next flow through curing pond discharge pipe 8 after the reaction cycle.

Further, an electric valve 23 is installed at one end of the curing pool discharge pipe 8, a connection port 18 is arranged at one end of the electric valve 23, and the connection port 18 is connected with one end of the electric valve 23 in a welding mode.

The working principle is as follows: when in use, firstly, the enzyme preparation adding device 28 is butted on the premixing tank 2, then proper subsequent devices are installed by utilizing the connecting port 18 on the discharge pipe 8 of the curing tank, parameters are adjusted by the PLC 27, the excrement in the cover lagoon biogas digester 1 automatically flows into the premixing tank 2 through the water outlet pipe 4, the water outlet pipe 4 enters the premixing tank 2 through the film pressing ditch 9 penetrating through the cover lagoon biogas digester 1, the enzyme preparation adding pipe 7 enters the premixing tank 2 and reacts with the excrement in the water outlet pipe 4 in the premixing tank 2 for 30 minutes, the premixing tank 2 needs to be aerated in the reaction process, the aeration pipe 6 is externally input, a liquid level sensor 21 is arranged in the premixing tank 2, when the liquid level is at a low liquid level, the aeration device 31 is opened, the excrement and sewage in the premixing tank 2 is stirred and mixed through the aeration pipe 6, meanwhile, the enzyme preparation adding pipe 7 is provided with an electric regulating valve 32 for controlling the flow, the electric control valve 32 is interlocked with the relay 33 to time, feces and sewage which completely reacts in the premixing tank 2 enters the curing tank 3 through the discharge pipe 5 of the premixing tank 2, anaerobic reaction is carried out in the curing tank 3, the feces and sewage are discharged to the next flow through the discharge pipe 8 of the curing tank after the reaction period is reached, the discharge pipe 8 of the curing tank at the tail end of the curing tank 3 is provided with an electric valve 23 which is automatically opened, and the quantitative feeding of the feces and sewage to the next flow is controlled to carry out reaction.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lid purges terminal denitrogenation process units of lake methane-generating pit, includes lid purges lake methane-generating pit (1), its characterized in that: the cover purgation lake methane-generating pit (1) one side is installed and is premixed pond (2), one side of premixing pond (2) is provided with curing tank (3), the one end of premixing pond (2) is provided with aeration equipment (31), PLC remote control ware (27) is installed to the one end of aeration equipment (31), one side of curing tank (3) is provided with mixes pond discharge pipe (5) in advance.

2. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 1, which is characterized in that: pressure gauge (11) are installed in the outside of lid xie hu methane-generating pit (1), and outside welded connection of pressure gauge (11) and lid xie hu methane-generating pit (1), the top of lid xie hu methane-generating pit (1) is provided with flip (24), press inductor (25) are installed to the top of flip (24), and press inductor (25) and the top integrated into one piece setting of flip (24), the one end of lid xie hu methane-generating pit (1) is provided with outlet pipe (4).

3. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 2, wherein: the water outlet pipe is characterized in that a flow meter (19) is mounted inside the water outlet pipe (4), the flow meter (19) is connected with the water outlet pipe (4) in a welding mode, an anticorrosive layer (17) is arranged on the inner wall of the water outlet pipe (4), the anticorrosive layer (17) and the inner wall of the water outlet pipe (4) are integrally formed, and a pressure membrane ditch (9) is mounted at the lower end of the water outlet pipe (4).

4. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 1, which is characterized in that: the utility model discloses a gas sensor, including premixed pond (2), premixed pond (2) and enzyme preparation, indicator lamp (13) are installed to the top of premixing pond (2), and indicator lamp (13) and the top integrated into one piece setting of premixing pond (2), one side of indicator lamp (13) is provided with enzyme preparation and adds equipment (28), gas sensor (12) are installed to one side that enzyme preparation added equipment (28), the outside of premixing pond (2) is provided with sealing washer (10).

5. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 4, wherein: an enzyme preparation adding pipe (7) is arranged at one end of the enzyme preparation adding equipment (28), an air pressure sensor (20) is installed at one side of the enzyme preparation adding pipe (7), an overflow backflow pipe (22) is arranged at one end of the enzyme preparation adding pipe (7), a waterproof layer (30) is installed on the inner wall of the overflow backflow pipe (22), and the waterproof layer (30) and the inner wall of the overflow backflow pipe (22) are integrally formed.

6. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 1, which is characterized in that: aeration pipe (6) are installed to the one end of aeration equipment (31), the one end of aeration pipe (6) is provided with liquid level inductor (21), and liquid level inductor (21) and the one end welded connection of aeration pipe (6), connection terminal (14) are installed in the outside of aeration pipe (6).

7. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 1, which is characterized in that: power module (26) are installed to the one end of PLC remote control ware (27), one side of PLC remote control ware (27) is provided with electrically operated valve controller (29), electrically operated valve (32) are installed to the one end of electrically operated valve controller (29), the one end of electrically operated valve (32) is provided with relay (33), and relay (33) and the one end welded connection of electrically operated valve (32).

8. The device for the terminal denitrification process of the biogas digester with the lagoon according to claim 1, which is characterized in that: curing pond discharge pipe (8) are installed to the one end in curing pond (3), the surface in curing pond (3) is provided with dismantlement board (15), the surface mounting who dismantles board (15) has adjusting knob (16), and adjusting knob (16) and dismantlement board (15) welded connection.

9. The device for the terminal denitrification of the biogas digester in the lagoon according to claim 8, wherein: an electric valve (23) is installed at one end of the curing pool discharge pipe (8), a connecting port (18) is arranged at one end of the electric valve (23), and the connecting port (18) is connected with one end of the electric valve (23) in a welding mode.