CN204237684U - The Sewage treatment systems on pig farm - Google Patents

Abstract

The utility model discloses a sewage treatment system for a pig farm, comprising a nitrification reactor, an anaerobic pulse reaction tank, an aerobic pulse reaction tank and a liquid storage tank, a nitrification reactor, an anaerobic pulse reaction tank, a liquid storage tank and The aerobic pulse reaction tanks are connected sequentially through pipelines, and the nitrification reactor includes a blower, an agitator and an aeration system, and a liquid pump is arranged outside the nitrification reactor to communicate with the inside, and the agitator is installed on the nitrification reactor. In the upper part, the blower is set above the nitrification reactor and communicated with the aeration system inside it; before the pulse reaction is performed on the aquaculture wastewater, the nitrification reaction treatment is advanced to remove the nitrogen component in the wastewater and make the biogas collected in the later process The nitrogen content is small to improve the quality of biogas, and then the wastewater is treated with anaerobic pulse and aerobic pulse successively, so that the effluent of the aerobic pulse reaction tank can meet the discharge standard.

Description

Sewage treatment system for pig farms

technical field

The utility model relates to equipment for raising pigs, in particular to a sewage treatment system for pig farms.

Background technique

When raising livestock, a lot of breeding wastewater will be produced. Usually, the farmers will discharge it directly or discharge it into the biogas tank for reaction. This practice will cause great damage to the environment, and the collection time of biogas is also very long, and the utilization rate is not high. , The biogas contains more nitrogen and the quality is not good. The treatment and discharge of aquaculture wastewater has become a major problem in the aquaculture industry.

Utility model content

The technical problem to be solved by the utility model is to provide a sewage treatment system for pig farms.

In order to solve the above-mentioned technical problems, the sewage treatment system of the pig farm of the present invention includes a nitrification reactor, an anaerobic pulse reaction tank, an aerobic pulse reaction tank and a liquid storage tank, a nitrification reactor, an anaerobic pulse reaction tank, a storage tank The liquid pool and the aerobic pulse reaction pool are connected by pipelines in turn. The nitrification reactor includes a blower, an agitator and an aeration system. A liquid pump is arranged outside the nitrification reactor to communicate with the inside. On the top of the reactor, the blower is arranged above the nitrification reactor and communicated with the aeration system arranged inside it; the anaerobic pulse reaction tank includes a first pulse generator, a first generator connecting pipe, a first water distribution pipe, Biogas chamber, three-phase separator and anaerobic tank outlet weir, the first pulse generator is installed on the top of the anaerobic pulse reaction tank, and an anaerobic tank outlet pipe and anaerobic tank inlet pipe are arranged at the upper end of the first pulse generator Trachea, the inlet pipe of the anaerobic pool communicates with the biogas chamber arranged in the anaerobic pulse reaction tank, and the first generator connecting pipe is installed at the bottom of the first pulse generator to directly communicate with the gas chamber arranged at the bottom of the anaerobic pulse reaction tank. The first water distribution pipe, the outlet weir of the anaerobic tank is arranged on the top of the reaction tank, and the three-phase separator is arranged between the first water distribution pipe and the biogas chamber; the aerobic pulse reaction tank includes a second pulse generator, The second generator connection pipe, the second water distribution pipe, the air flotation releaser, the air inlet pipe of the aerobic tank, the oxygen-enriched fan, the pressure gauge and the outlet weir of the aerobic tank, and the second pulse generator is installed on the top of the aerobic pulse reaction tank The upper end of the second pulse generator is provided with an aerobic tank inlet pipe and a pressure gauge respectively, the aerobic tank inlet pipe is connected with the oxygen-enriched fan, and the second generator connecting pipe is installed at the bottom of the second pulse generator The second water distribution pipe directly connected to the bottom of the aerobic pulse reaction tank is provided with an air flotation releaser, and the outlet weir of the aerobic tank is arranged on the top of the aerobic pulse reaction tank.

As a further solution of the utility model: the aeration system is a "king"-shaped trachea frame composed of a plurality of trachea.

As a further solution of the utility model: a water pump is installed on the pipeline between the water storage tank and the aerobic pulse reaction tank.

Compared with the prior art, the beneficial effect of the utility model is: prior to the pulse reaction of the aquaculture wastewater, the advanced nitrification reaction treatment removes the nitrogen content in the wastewater, so that the nitrogen content of the biogas collected in the later stage of the process is small, and the improvement The biogas quality is improved, and then the wastewater is treated with anaerobic pulse and aerobic pulse successively, so that the effluent of the aerobic pulse reaction tank can meet the discharge standard.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure 1-nitration reactor, 2-anaerobic pulse reaction tank, 3-aerobic pulse reaction tank, 4-liquid storage tank, 11-blower, 12-liquid pump, 13-agitator, 14-aeration system, 21-the first pulse generator, 22-the connecting pipe of the first generator, 23-the first water distribution pipe, 24-three-phase separator, 25-biogas chamber, 26-anaerobic tank outlet weir, 27-anaerobic tank Outlet pipe, 28-anaerobic tank inlet pipe, 31-second pulse generator, 32-second generator connecting pipe, 33-second water distribution pipe, 34-air flotation releaser, 35-pressure gauge, 36- Aerobic tank inlet pipe, 37-oxygen-enriched fan, 38-aerobic tank outlet weir.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, in the utility model embodiment, a kind of sewage treatment system of pig farm comprises nitrification reactor 1, anaerobic pulse reaction tank 2, aerobic pulse reaction tank 3 and liquid storage tank 4, nitrification reaction The device 1, the anaerobic pulse reaction tank 2, the liquid storage tank 4 and the aerobic pulse reaction tank 3 are connected through pipelines in sequence. The nitrification reactor 1 includes a blower 11, an agitator 13 and an aeration system 14, and a liquid pump 11 is provided outside the nitrification reactor 1 to communicate with the inside. The agitator 13 is installed on the top of the nitration reactor 1, and the air blower 11 is arranged above the nitration reactor 1 and communicates with the aeration system 14 arranged inside it. The aeration system 14 is a "king"-shaped trachea frame composed of multiple air pipes. The wastewater produced by the cultivation is sent into the nitrification reactor 1 by the liquid pump 12, and the nitrification reactor is controlled by the blower 12, the aeration system 14, and the agitator 13. The dissolved oxygen in 1 makes the nitrogen-containing substances in the wastewater in a short-range nitrification state, and then undergoes ammonia oxidation reaction to remove nitrogen components in the wastewater. After nitrification, the wastewater enters the anaerobic pulse reaction tank 2 through the pipeline.

The anaerobic pulse reaction tank 2 includes a first pulse generator 21 , a first generator connecting pipe 22 , a first water distribution pipe 23 , a biogas chamber 24 , a three-phase separator 25 and an anaerobic tank outlet weir 26 . The first pulse generator 21 is installed on the top of the anaerobic pulse reaction tank 2, and the upper end of the first pulse generator 21 is provided with an anaerobic tank outlet pipe 27 and an anaerobic tank inlet pipe 28. The anaerobic tank intake pipe 28 communicates with the biogas chamber 24 arranged in the anaerobic pulse reaction tank 2, and the first generator connecting pipe 22 is installed at the bottom of the first pulse generator 21 to directly communicate with the biogas chamber 22 arranged in the anaerobic pulse reaction tank. 2 the first water distribution pipe 23 at the bottom. The outlet weir 26 of the anaerobic tank is set on the top of the reaction tank. The three-phase separator 25 is arranged between the first water distribution pipe 23 and the biogas chamber 24 .

The aerobic pulse reaction tank 3 comprises a second pulse generator 31, a second generator connecting pipe 32, a second water distribution pipe 33, an air flotation releaser 34, an aerobic tank inlet pipe 36, an oxygen-enriched fan 37, a pressure gauge 35 and The outlet weir 38 of the aerobic pool. The top of the aerobic pulse reaction tank 3 is equipped with a second pulse generator 31, and the upper end of the second pulse generator 31 is respectively provided with an aerobic tank inlet pipe 36 and a pressure gauge 35. The air inlet pipe 36 of the aerobic pool communicates with the oxygen-enriched fan 37. The bottom of the second pulse generator 31 is equipped with a second generator connecting pipe 32 directly connected to the second water distribution pipe 33 at the bottom of the aerobic pulse reaction tank 3 . The second water distribution pipe 33 is provided with air flotation releasers 34 which are evenly distributed on the bottom of the aerobic pulse reaction tank 3 . The outlet weir 38 of the aerobic tank is set on the top of the aerobic pulse reaction tank 3; a water pump is installed on the pipeline between the water storage tank 4 and the aerobic pulse reaction tank 3. Wastewater first enters the anaerobic pulse reaction tank 1 for reaction to collect biogas and then enters the water storage tank 4, and then enters the aerobic pulse reaction tank 3 from the water storage tank 4 for reaction and then discharges, so that the effluent can be discharged up to the standard.

The working principle of the utility model is: prior to the pulse reaction of the aquaculture wastewater, the advanced nitrification reaction treatment removes the nitrogen content in the wastewater, so that the nitrogen content of the biogas collected in the later stage of the process is small, and the quality of the biogas is improved, and then the wastewater is treated. The anaerobic pulse and the aerobic pulse are processed successively, so that the effluent of the aerobic pulse reaction tank 3 meets the discharge standard.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (3)

1. A sewage treatment system for pig farms, comprising nitrification reactor, anaerobic pulse reaction tank, aerobic pulse reaction tank and liquid storage tank, nitrification reactor, anaerobic pulse reaction tank, liquid storage tank and aerobic pulse The reaction tanks are connected by pipelines in turn, and the nitrification reactor includes a blower, an agitator and an aeration system, and a liquid pump is arranged outside the nitrification reactor to communicate with the inside, and the agitator is installed on the top of the nitrification reactor, and the blower It is arranged above the nitrification reactor and communicated with the aeration system arranged inside it; the anaerobic pulse reaction tank includes a first pulse generator, a first generator connection pipe, a first water distribution pipe, a biogas chamber, a three-phase separation The first pulse generator is installed on the top of the anaerobic pulse reaction tank, and the upper end of the first pulse generator is provided with an anaerobic tank outlet pipe and an anaerobic tank inlet pipe, and the anaerobic tank The inlet pipe of the pool is connected with the biogas chamber arranged in the anaerobic pulse reaction tank, and the first generator connecting pipe is installed at the lower part of the first pulse generator, which is directly connected to the first water distribution pipe arranged at the bottom of the anaerobic pulse reaction tank. The outlet weir of the anaerobic tank is set on the top of the reaction tank, and the three-phase separator is set between the first water distribution pipe and the biogas chamber; the aerobic pulse reaction tank includes a second pulse generator, a second generator connecting pipe , the second water distribution pipe, air flotation releaser, aerobic tank inlet pipe, oxygen-enriched fan, pressure gauge and aerobic tank outlet weir, a second pulse generator is installed on the top of the aerobic pulse reaction tank, and the second pulse The upper end of the generator is respectively provided with an aerobic tank inlet pipe and a pressure gauge, the aerobic tank inlet pipe is connected with the oxygen-enriched fan, and the second generator connecting pipe is installed on the lower part of the second pulse generator, which is directly connected to the aerobic pulse generator. The second water distribution pipe at the bottom of the reaction tank is provided with an air flotation releaser on the second water distribution pipe, and the outlet weir of the aerobic tank is arranged on the top of the aerobic pulse reaction tank. 2. The sewage treatment system of a pig farm according to claim 1, wherein the aeration system is a "king"-shaped trachea frame composed of a plurality of trachea. 3. The sewage treatment system of a pig farm according to claim 1, wherein a water pump is installed on the pipeline between the liquid storage tank and the aerobic pulse reaction tank.