43results about How to "Excellent breeding effect" patented technology

The invention discloses a method for preparing bioactive protein powder through endogenous enzymolysis of marine low-value coarse fish, which is characterized by comprising steps of raw material preparation, primary crushing, enzymolysis, small peptide liquid preparation, mixing and drying, post treatment and the like. During enzymolysis, enzymolysis process parameters are selected according to the endogenous enzyme activity measured from the raw materials; and during mixing and drying, peeled bean pulp powder is used as a carrier to prepare a bioactive protein material. The method of the invention performs process improvement based on the enzymolysis of the primary exogenous proteinase preparation, solves the difficult problems of high production cost, unstable exogenous enzyme activity and non-thorough enzymolysis in the endogenous enzymolysis process, and is more suitable for industrialized production; and the prepared bioactive protein powder has the sense, flavor and cultivation effects superior to those of the fish powder, and is a good fish powder substitute.

The invention relates to a method for breeding high-quality chickens low in abdominal fat percentage. The method comprises the steps that a local chicken variety serves as a breeding material; breeding chickens are selected according to breeding chicken reserving parameters and indexes of chickens different in day age, and a family is built, wherein the right shin length of cocks and hens is an important breeding chicken reserving parameter; non-consanguineous cocks and hens are mated and breed a next generation of breeding chickens; the above processes are repeated on the next generation of breeding chickens, and at least after breeding of two generations, the high-quality chickens low in abdominal fat percentage are obtained. The method is easy to operate, accurate in result, excellent in breeding and easy to popularize, and the abdominal fat percentage of the chickens bred after two generations or more is reduced. In addition, breeding of other characters of the chickens are not reduced while the abdominal fat percentage of the chickens is improved, so that the comprehensive performance of products is improved, and the market competitiveness is better.

The invention relates to a backwash osmotic water purification machine with a monitoring function. According to the invention, a pressure tank and a check valve are connected to the water outlet pipe of an RO reverse osmosis membrane treatment unit; a water flow monitoring device and a TDS detection device are arranged at the water outlet end of each level of filter core of a filtering unit; a wastewater pipe is provided with a wastewater proportioner; the water flow monitoring devices and the TDS detection devices are connected with a PLC, and are connected to a display device through the PLC; the PLC transmits processed signals to the display device; a water pump is connected to the PLC; the PLC controls the on / off of the water pump. With the water purification machine, the service life of the RO reverse osmosis membrane is prolonged, energy consumption is reduced, and wastewater output is reduced.

The present invention relates to a flow rate control backwash osmosis water purifier with real-time monitoring. According to the present invention, the water outlet pipe position of a RO reverse osmosis membrane treatment unit is connected to a pressure tank, the connection pipeline of the water outlet pipe of the RO reverse osmosis membrane treatment unit and a water storage barrel is further connected to a one-way valve, a sensor is connected to a PLC, the PLC controls opening or closing of a water pump according to the signal of a water flow rate sensor, the water outlet ends of every stage of filtration cores of a filtration unit are respectively provided with a water flow rate monitoring device, a wastewater pipe is provided with a wastewater proportioner, and a water flow rate detection device and a TDS detection device are connected to a display device; and with the flow rate control backwash osmosis water purifier with real-time monitoring, the service life of the RO reverse osmosis membrane is prolonged, and the energy consumption and the wastewater output are reduced.

The invention relates to an osmosis water purifier with monitoring. The osmosis water purifier includes a water pump, and a filtering unit and a reverse osmosis (RO) membrane treatment unit which are successively connected to a water inlet pipe. A wastewater outlet end of the RO membrane treatment unit is connected to a wastewater pipe which is used for discharging wastewater. A clean water outlet end is connected to a water storage barrel. The water storage barrel is connected to the clean water outlet. An electromagnetic valve is arranged on a water inlet pipe of the RO membrane treatment unit. The filtering unit includes, successively, a PP filter core, a granular activated carbon filter core and a compressed carbon filter core, wherein a water flow quantity monitoring apparatus is disposed at the water outlet end of each filter core in the filtering unit. A TDS detection apparatus is arranged on the water outlet end of the RO membrane treatment unit. The water flow quantity monitoring apparatuses and the TDS detection apparatus are both connected to a display apparatus. The wastewater pipe is also provided with a wastewater proportioner. The osmosis water purifier allows the filtering unit to be monitored timely, increases service life of a RO membrane, reduces energy consumption and reduces wastewater production amount.

The invention relates to a backwash osmotic water purification machine. According to the invention, a backwashing wastewater pipe is arranged at a water inlet end of an RO reverse osmosis membrane treatment unit; a pressure tank is connected to a water outlet pipe of the RO reverse osmosis membrane treatment unit; a check valve is connected to a pipeline connecting the water outlet pipe of the RO reverse osmosis membrane treatment unit and a water storage tank. With the water purification machine, the beneficial effects that RO reverse osmosis membrane service life can be prolonged, energy consumption can be reduced, and wastewater output can be reduced are achieved.

The present invention relates to a backwash osmosis water purifier with intelligent monitoring. According to the present invention, a backwash device and a water flow rate monitoring device are arranged, the water outlet end of a RO reverse osmosis membrane treatment unit is provided with a TDS detection device, a wastewater pipe is further provided with a wastewater proportioner, a water flow rate sensor and the TDS detection device are connected to a PLC, the PLC is connected to a display device and a network transmission device, the PLC transmits a processed signal to the display device so as to be displayed, the processed signal is transmitted to terminal equipment through the network transmission device, and the opening or closing of a water pump is controlled by the PLC; and the beneficial effects of RO reverse osmosis membrane service life improving, energy consumption reducing and wastewater output reducing are achieved.

The invention relates to a timed backwash sterilization osmotic water purification machine with a monitoring function. A backwashing wastewater pipe is arranged at a water inlet end of an RO reverse osmosis membrane treatment unit; a pressure tank is connected at the water outlet pipe of the RO reverse osmosis membrane treatment unit; a check valve is arranged on a pipeline connecting the water outlet pipe of the RO reverse osmosis membrane treatment unit and a water storage tank; a timing device 14 is arranged at the water outlet pipe of the RO reverse osmosis membrane treatment unit; the timing device 14 is connected with a PLC 15; the PLC 15 controls the on / off of a water pump according to signals from the timing device 14; and sterilization materials are adopted to manufacture the water storage tank, water pipes and the like. With the water purification machine, the service life of the RO reverse osmosis membrane is prolonged, energy consumption is reduced, and wastewater output is reduced.

The present invention relates to an osmosis water purifier with real-time monitoring. The osmosis water purifier comprises a water pump, a filtration unit, a RO reverse osmosis membrane treatment unit, and a water storage barrel connected to the purified water outlet pipe of the RO reverse osmosis membrane treatment unit, wherein the filtration unit and the RO reverse osmosis membrane treatment unit are sequentially connected to a water inlet pipe, the water inlet pipe position of the RO reverse osmosis membrane treatment unit is provided with an electromagnetic valve, the filtration unit sequentially comprises a PP filtration core, a granular active carbon filtration core and a compressed carbon filtration core, the water outlet ends of every stage of the filtration cores of the filtration unit are respectively provided with a water flow rate monitoring device, the water outlet end of the RO reverse osmosis membrane treatment unit is provided with a TDS detection device, and a water flow rate detection device and the TDS detection device are connected to a display device. According to the present invention, the osmosis water purifier has beneficial effects of timely filtration assembly monitoring, RO reverse osmosis membrane service life prolonging, energy consumption reducing, and wastewater output reducing.

The invention relates to water purifiers and particularly relates to a combined type constant-pressure reverse-osmosis (RO) sterilization water purifier. The combined type constant-pressure RO sterilization water purifier has the aims that the service life of an RO membrane is prolonged, the water purifying efficiency is increased, the time of replacement of the RO membrane is grasped accurately, and the problem that bacteria of purified water exceed the standard is effectively solved. In order to achieve the aims, the technical scheme provided by the invention is as follows: the combined type constant-pressure RO sterilization water purifier comprises a water pump, filter units, an RO membrane treatment unit and a water storage barrel, wherein the filter units and the RO membrane treatment unit are sequentially connected with a water inlet pipe, and the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; an electromagnetic valve is arranged on a water inlet pipe of the RO membrane treatment unit, and a water return pipe is further connected to a wastewater pipe of the RO membrane treatment unit and is used for enabling wastewater to return to a water inlet end of the RO membrane treatment unit. The combined type constant-pressure RO sterilization water purifier has the beneficial effects that the service life of the RO membrane is prolonged, bacteria are effectively inhibited, and the energy consumption and wastewater yield are lowered.

The invention discloses a faucet capable of preventing direct communication and adjusting the effluent area, and relates to the technical field of faucets. The faucet capable of preventing direct communication and adjusting the effluent area comprises a branch pipe, a second end pipe and a protective mechanism; a filtering mechanism is mounted above the branch pipe and comprises a first segmentedpipe, stainless steel spring pieces, a copper-zinc alloy filter material and leakage holes; the copper-zinc alloy filter material is arranged in the first segmented pipe, and the stainless steel spring pieces are mounted on the upper side and the lower side of the copper-zinc alloy filter material correspondingly; and the leakage holes are formed in the stainless steel spring pieces. According tothe faucet capable of preventing direct communication and adjusting the effluent area, impact of a water flow to the copper-zinc alloy filter material can be effectively buffered through arc-shaped structures of the stainless steel spring pieces, the flowing speed of the water flow can be effectively decreased, the water pressure of flowing water can be effectively lowered, and it is ensured thatthe copper-zinc alloy filter material can apply efficient work to the water flow effectively.

The invention relates to a water purifier with a heating function, particularly relates to a combined reverse-osmosis (RO) constant-pressure water purifier with a heating function, and aims at prolonging the service life of an RO membrane, increasing the water purifying efficiency, accurately mastering the replacing time of the RO membrane and effectively avoiding the problem that bacteria in purified water exceed the standard. In order to achieve the aims, the invention provides the technical scheme as follows: the combined RO constant-pressure water purifier with the heating function comprises a water pump, a filtering unit, an RO membrane treatment unit and a water storage barrel, wherein the filtering unit and the RO membrane treatment unit are sequentially connected with a water inlet pipe; the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; a water inlet pipe of the RO membrane treatment unit is provided with an electromagnetic valve; a wastewater pipe of the RO membrane treatment unit is also connected with a water return pipe for returning wastewater to the water inlet end of the RO membrane treatment unit; and the end of the purified water outlet pipe is also connected with a heating tank. The combined RO constant-pressure water purifier with the heating function has the beneficial effects of prolonging the service life of the RO membrane, effectively inhibiting bacteria and reducing the energy consumption and wastewater yield.

The invention relates to a water purifier providing mineral water and particularly relates to a water purifier providing mineral water. According to the technical scheme, the water purifier comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit, and a water storage barrel connected to a purified water discharging pipe of the RO (reverse osmosis) membrane treatment unit, wherein the filtering unit and the RO (reverse osmosis) membrane treatment unit are connected to a water feeding pipe in order. The water feeding pipe of the RO (reverse osmosis) membrane treatment unit is provided with a magnetic valve. A waste water pipe of the RO (reverse osmosis) membrane treatment unit is provided with a water return pipe. The water return pipe is connected from the waste water pipe of the RO (reverse osmosis) membrane treatment unit to a water feeding end before the magnetic valve of the water feeding pipe. A water discharging end of the filtering unit is connected to a water discharging pipe, and can directly discharge effluent of the filtering unit. The constant-pressure water purifier achieves beneficial effects of prolonging the service lifetime of RO (reverse osmosis) membranes, and reducing energy consumption and the output of waste water.

The invention relates to a backwashing osmosis water purifier capable of intelligent monitoring and timing. According to the invention, the water inlet end of a reverse osmosis (RO) membrane processing unit is provided with a backwashing wastewater pipe; a water outlet pipe of the reverse osmosis (RO) membrane processing unit is connected with a pressure tank; a pipeline connecting the reverse osmosis (RO) membrane processing unit to a water storage bucket is also connected with a one-way valve; the water outlet pipe of the reverse osmosis (RO) membrane processing unit is provided with a timing unit 14; the timing unit 14 and a programmable logic controller (PLC) 15 are in connection; and the programmable logic controller (PLC) 15 controls opening or closing of a water pump according to signals of the timing unit 14. The backwashing osmosis water purifier realizes the following beneficial effects: the service life of a reverse osmosis (RO) membrane is improved; and energy consumption and wastewater output are reduced.

The invention relates to a water purifier, particularly relates to a combined reverse-osmosis (RO) water purifier with a heating function, and aims at prolonging the service life of an RO membrane, increasing the water purifying efficiency, accurately mastering the replacing time of the RO membrane and effectively avoiding the problem that bacteria in purified water exceed the standard. In order to achieve the aims, the invention provides the technical scheme as follows: the combined RO water purifier with the heating function comprises a water pump, a filtering unit, an RO membrane treatment unit and a water storage barrel, wherein the filtering unit and the RO membrane treatment unit are sequentially connected with a water inlet pipe; the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; a water inlet pipe of the RO membrane treatment unit is provided with an electromagnetic valve; a wastewater pipe of the RO membrane treatment unit is also connected with a water return pipe for returning wastewater to the water inlet end of the RO membrane treatment unit; and the end of the purified water outlet pipe is also connected with a heating tank. The combined RO water purifier with the heating function has the beneficial effects of prolonging the service life of the RO membrane and reducing the energy consumption and wastewater yield.

The invention relates to a mineral water providing constant-pressure water purifier with a heating function. The technical scheme is as follows: the mineral water providing constant-pressure water purifier with the heating function comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit and a water storage barrel, wherein the filtering unit and the RO membrane treatment unit are sequentially connected with a water inlet pipe; the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; a water inlet pipe of the RO membrane treatment unit is provided with an electromagnetic valve; a wastewater pipe of the RO membrane treatment unit is also connected with a water return pipe which is connected to the water inlet end in front of the electromagnetic valve of the water inlet pipe through the wastewater pipe of the RO membrane treatment unit; the water outlet end of the filtering unit is connected with a water outlet pipe capable of directly discharging effluent of the filtering unit; and the end of the purified water outlet pipe is also connected with a heating tank. The mineral water providing constant-pressure water purifier with the heating function has the beneficial effects of prolonging the service life of the RO membrane and reducing the energy consumption and wastewater yield.

The invention relates to constant-pressure sterilization water purifiers for supplying mineral water and particularly relates to a constant-pressure sterilization water purifier for supplying mineral water. The technical scheme provided by the invention is as follows: the constant-pressure sterilization water purifier for supplying mineral water comprises a water pump, filter units, an RO (Reverse Osmosis) membrane treatment unit and a water storage barrel, wherein the filter units and the RO membrane treatment unit are sequentially connected with a water inlet pipe, and the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; an electromagnetic valve is arranged on a water inlet pipe of the RO membrane treatment unit, a water return pipe is further connected to a wastewater pipe of the RO membrane treatment unit and connects the wastewater pipe of the RO membrane treatment unit and a water inlet end in front of the electromagnetic valve of the water inlet pipe, and a water outlet end of the corresponding filter unit is connected with a water outlet pipe so as to be capable of directly discharging outlet water of the filter units. The constant-pressure sterilization water purifier for supplying mineral water has the beneficial effects that the service life of an RO membrane is prolonged, and the energy consumption and wastewater yield are lowered.

The invention relates to a backwashing osmosis water purifier capable of real-time monitoring, controlling flow and sterilizing. According to the invention, a water outlet pipe of a reverse osmosis (RO) membrane processing unit is connected with a pressure tank; a pipeline connecting the reverse osmosis (RO) membrane processing unit to a water storage bucket is also connected with a one-way valve; a sensor is connected with a programmable logic controller (PLC) which controls opening or closing of a water pump according to signals of a water flow sensor; the water outlet end of every stage of filter cores of a filter unit is provided with a water flow monitoring unit; a wastewater pipe is provided with a wastewater proportioner; a water flow detection unit and a total dissolved solid (TDS) detection unit are connected with a display unit; and a sterilization material is applied in a water storage bucket, a water pipe, etc. The backwashing water purifier realizes the following beneficial effects: the service life of a reverse osmosis (RO) membrane is improved; and energy consumption and wastewater output are reduced.

The invention relates to a sterilizing flow controllable backwash osmosis water purification machine.The water inlet end of an RO reverse osmosis membrane treatment unit is provided with a backwash wastewater pipe, a water outlet pipe of the RO reverse osmosis membrane treatment unit is further connected with a pressure tank, the part, connected with a water storage bucket, of the RO reverse osmosis membrane treatment unit is further connected with a one-way valve, a water flow sensor 14 is arranged at the water outlet pipe of the RO reverse osmosis membrane treatment unit and is connected with a PLC15, the PLC15 controls start or stop of a water pump according to signals of the sensor, and the water storage bucket, the water pipes and the like are all made from a sterilizing material.The sterilizing flow controllable backwash osmosis water purification machine has the advantages that the service life of an RO reverse osmosis membrane is prolonged, and energy consumption and wastewater output are reduced.

The invention relates to a water purifier and particularly relates to a combined type reverse-osmosis bacteriostatic water purifier. The technical problems to be overcome are to prolong the service lifetime of RO (reverse osmosis) membranes, to increase the water purification efficiency, to accurately master the replacing time of the RO (reverse osmosis) membrane, and to effectively avoid a circumstance that the bacteria amount of purified water exceeds a threshold. To achieve the objectives, a technical scheme as follows is provided: the water purifier comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit and a water storage barrel connected to a purified water discharging pipe of the RO (reverse osmosis) membrane treatment unit, wherein the filtering unit and the RO (reverse osmosis) membrane treatment unit are connected to a water feeding pipe in order; the water feeding pipe of the RO (reverse osmosis) membrane treatment unit is provided with a magnetic valve; a waste water pipe of the RO (reverse osmosis) membrane treatment unit is provided with a water return pipe; and the water return pipe is used for returning waste water to a water feeding end of the RO (reverse osmosis) membrane treatment unit. The water purifier achieves beneficial effects of prolonging the service lifetime of RO (reverse osmosis) membranes, achieving effective bacteriostasis, and reducing energy consumption and the output of waste water.

The invention relates to a water purifier and particularly relates to a combined type reverse-osmosis bacteriostatic constant-pressure water purifier. The technical problems to be overcome are to prolong the service lifetime of RO (reverse osmosis) membranes, to increase the water purification efficiency, to accurately master the replacing time of the RO (reverse osmosis) membrane, and to effectively avoid a circumstance that the bacteria amount of purified water exceeds a threshold. To achieve the objectives, a technical scheme as follows is provided: the water purifier comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit, and a water storage barrel connected to a purified water discharging pipe of the RO (reverse osmosis) membrane treatment unit, wherein the filtering unit and the RO (reverse osmosis) membrane treatment unit are connected to a water feeding pipe in order; the water feeding pipe of the RO (reverse osmosis) membrane treatment unit is provided with a magnetic valve; a waste water pipe of the RO (reverse osmosis) membrane treatment unit is provided with a water return pipe; and the water return pipe is used for returning waste water to a water feeding end of the RO (reverse osmosis) membrane treatment unit. The water purifier achieves beneficial effects of prolonging the service lifetime of RO (reverse osmosis) membranes, achieving effective bacteriostasis, and reducing energy consumption and the output of waste water.

The invention relates to a bacteriostatic constant-pressure water purifier providing mineral water and particularly relates to a bacteriostatic constant-pressure water purifier providing mineral water. According to the technical scheme, the water purifier comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit, and a water storage barrel connected to a purified water discharging pipe of the RO (reverse osmosis) membrane treatment unit, wherein the filtering unit and the RO (reverse osmosis) membrane treatment unit are connected to a water feeding pipe in order. The water feeding pipe of the RO (reverse osmosis) membrane treatment unit is provided with a magnetic valve. The water purifier is characterized in that a waste water pipe of the RO (reverse osmosis) membrane treatment unit is connected to a water return pipe, the water return pipe is connected from the waste water pipe of the RO (reverse osmosis) membrane treatment unit to a water feeding end before the magnetic valve of the water feeding pipe, a water discharging end of the filtering unit is provided with a water discharging pipe and can directly discharge effluent of the filtering unit, and shells of the filtering unit and the RO (reverse osmosis) membrane treatment unit are made of a material comprising KDF, activated carbon and medical stone. The water purifier achieves beneficial effects of prolonging the service lifetime of RO (reverse osmosis) membranes, providing mineral water and purified water, achieving bacteriostasis and reducing energy consumption and the output of waste water.

The invention relates to bacteriostatic water purifiers and particularly relates to a bacteriostatic water purifier. The technical scheme provided by the invention is as follows: the bacteriostatic water purifier comprises a water pump, filter units, an RO (Reverse Osmosis) membrane treatment unit and a water storage barrel, wherein the filter units and the RO membrane treatment unit are sequentially connected with a water inlet pipe, and the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; an electromagnetic valve is arranged on a water inlet pipe of the RO membrane treatment unit, and a water return pipe is further connected to a wastewater pipe of the RO membrane treatment unit and connects the wastewater pipe of the RO membrane treatment unit and a water inlet end in front of the electromagnetic valve of the water inlet pipe. The bacteriostatic water purifier has the beneficial effects that the service life of an RO membrane is prolonged, bacteria are inhibited, and the energy consumption and wastewater yield are lowered.

The invention relates to an osmotic water purification machine with an intelligent monitoring function. According to the invention, a water flow monitoring device is arranged at the water outlet end of each level of filter core of a filtering unit; TDS detection devices are arranged at a water outlet end of an RO reverse osmosis membrane treatment unit; water flow sensors and the TDS defection devices are all connected to a PLC, and are connected to a display device and a network transmission device through the PLC; the PLC transmits processed signals to the display device, and the display device can display; and with the network transmission device, processed signals are transmitted to a terminal device. With the water purification machine, a filtering assembly can be monitored in time, the service life of the RO reverse osmosis membrane can be prolonged, energy consumption can be reduced, and wastewater output can be reduced.

The invention relates to a mineral water providing water purifier with a heating function. The technical scheme is as follows: the mineral water providing water purifier with the heating function comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit and a water storage barrel, wherein the filtering unit and the RO membrane treatment unit are sequentially connected with a water inlet pipe; the water storage barrel is connected with a purified water outlet pipe of the RO membrane treatment unit; a water inlet pipe of the RO membrane treatment unit is provided with an electromagnetic valve; a wastewater pipe of the RO membrane treatment unit is also connected with a water return pipe which is connected to the water inlet end in front of the electromagnetic valve of the water inlet pipe through the wastewater pipe of the RO membrane treatment unit; the water outlet end of the filtering unit is connected with a water outlet pipe capable of directly discharging effluent of the filtering unit; and the end of the purified water outlet pipe is also connected with a heating tank. The mineral water providing water purifier with the heating function has the beneficial effects of prolonging the service life of the RO membrane and reducing the energy consumption and wastewater yield.

The invention relates to a backwashing osmosis water purifier capable of timing. According to the invention, the water inlet end of a reverse osmosis (RO) membrane processing unit is provided with a backwashing wastewater pipe; a water outlet pipe of the reverse osmosis (RO) membrane processing unit is connected with a pressure tank; a pipeline connecting the reverse osmosis (RO) membrane processing unit to a water storage bucket is also connected with a one-way valve; the water outlet pipe of the reverse osmosis (RO) membrane processing unit is provided with a timing unit 14; the timing unit 14 and a programmable logic controller (PLC) 15 are in connection; and the programmable logic controller (PLC) 15 controls opening or closing of a water pump according to signals of the timing unit 14. The backwashing osmosis water purifier realizes the following beneficial effects: the service life of a reverse osmosis (RO) membrane is improved; and energy consumption and wastewater output are reduced.

The invention relates to a backwashing osmosis water purifier capable of sterilizing, real-time monitoring and controlling flow. According to the invention, a water outlet pipe of a reverse osmosis (RO) membrane processing unit is connected with a pressure tank; a pipeline connecting the reverse osmosis (RO) membrane processing unit to a water storage bucket is also connected with a one-way valve; a sensor is connected with a programmable logic controller (PLC) which controls opening or closing of a water pump according to signals of a water flow sensor; the water outlet end of every stage of filter cores of a filter unit is provided with a water flow monitoring unit; a wastewater pipe is provided with a wastewater proportioner; a water flow detection unit and a total dissolved solid (TDS) detection unit are connected with a display unit; and a sterilization material is applied in a water storage bucket, a water pipe, etc. The backwashing water purifier realizes the following beneficial effects: the service life of a reverse osmosis (RO) membrane is improved; and energy consumption and wastewater output are reduced.

The invention relates to a method for breeding high-quality chickens with low abdominal fat rate, which includes: using local chicken breeds as breeding materials; selecting and establishing family lines according to the seed retention parameters of chickens of different ages, wherein the male and female chickens have a long right shin It is the key parameter for breeding; the non-inbred male and female hens in the family are bred to breed the next generation of breeders; the breeders of the next generation will repeat the previous process for at least 2 generations of selection, and obtain high-quality chickens with low abdominal fat rate. The invention has the advantages of simple operation, accurate results, excellent breeding effect and easy popularization, and the abdominal fat rate of chickens is greatly reduced after more than two generations of breeding. In addition, while improving the abdominal fat rate of chickens, the breeding of other traits is not relaxed, so that the comprehensive performance of the product is improved, and it is more competitive in the market.

The invention relates to a water purifier and particularly relates to a combined type reverse-osmosis constant-pressure water purifier. The technical problems to be overcome are to prolong the service lifetime of RO (reverse osmosis) membranes, to increase the water purification efficiency, to accurately master the replacing time of the RO (reverse osmosis) membrane, and to effectively avoid a circumstance that a bacteria amount of purified water exceeds a threshold. To achieve the objectives, a technical scheme as follows is provided: the water purifier comprises a water pump, a filtering unit, an RO (reverse osmosis) membrane treatment unit, and a water storage barrel connected to a purified water discharging pipe of the RO (reverse osmosis) membrane treatment unit, wherein the filtering unit and the RO (reverse osmosis) membrane treatment unit are connected to a water feeding pipe in order; the water feeding pipe of the RO (reverse osmosis) membrane treatment unit is provided with a magnetic valve; a waste water pipe of the RO (reverse osmosis) membrane treatment unit is provided with a water return pipe; and the water return pipe is used for returning waste water to a water feeding end of the RO (reverse osmosis) membrane treatment unit. The water purifier achieves beneficial effects of prolonging the service lifetime of RO (reverse osmosis) membranes, achieving effective bacteriostasis, and reducing energy consumption and the output of waste water.

The invention relates to a flow-controlled backwashing and osmosizing water purifier. A backwashing wastewater pipe is arranged at a water inlet end of an RO (Reverse Osmosis) membrane treatment unit, a water outlet pipe of the RO membrane treatment unit is further connected with a pressure tank, a pipe line, connected with a water storage bucket, of the water outlet pipe of the RO membrane treatment unit is further connected with a one-way valve, the water outlet pipe of the RO membrane treatment unit is connected with a water flow sensor 14, the sensor is connected with a PLC15, and the PLC15 controls the startup or shutdown of a water pump according to signals of the sensor. The flow-controlled backwashing and osmosizing water purifier has the beneficial effects that the service life of an RO membrane is prolonged, and the energy consumption and wastewater yield are lowered.