Yellow wine rice soaking water resource recycling system

Abstract

The invention discloses a yellow wine rice soaking water resource recycling system which comprises a rice metering and soaking system, a wet rice pre-fermentation processing system and a rice milk recycling system. In the rice metering and soaking system, a rice-water mixing tank is cleaned through rice milk in a rice milk recycling pipeline connected to the rice milk recycling system, and rice in the rice-water mixing tank is soaked through water connected through a recycling water pipeline; in the wet rice pre-fermentation processing system, a pre-fermentation rice soaking tank performs fermentation through rice-water mixed liquid output by a rice metering and soaking system and rice milk water in a rice milk water recycling pipeline connected with a rice milk water recycling system; in the rice milk recycling system, each group of rice milk recycling tanks cools rice soaking water output from the wet rice pre-fermentation processing system and water introduced into a tap water input pipeline and a CIP cleaning pipeline, and then the cooled rice soaking water and water are respectively conveyed to a rice-water mixing tank and a pre-fermentation rice soaking tank through rice milk recycling pipelines for recycling. According to the invention, water resources are fully and reasonably utilized, and the cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of rice wine brewing, in particular to a rice wine soaking rice water resource recycling system. Background Art

[0002] In the rice wine production process, the rice needs to be soaked and fermented. Currently, each process adds tap water through the water pipe to supplement the required water resources, while the water used in the soaking and fermentation process is directly discharged, resulting in a huge waste of water resources. Summary of the invention

[0003] In view of the above problems, the present invention provides a rice wine soaking rice water resource recycling system to solve the technical problems existing in the background technology.

[0004] The present invention is achieved by adopting the following technical solutions: A rice wine soaking water resource recycling system comprises a rice material metering and soaking system, a wet rice pre-fermentation processing system and a rice slurry water recycling system; the rice material metering and soaking system comprises a rice material temporary storage bin and a rice-water mixing tank; a metering scale is arranged below the rice material temporary storage bin, and the rice material temporary storage bin is connected to the rice-water mixing tank through a vertical pipeline provided with a pneumatic gate valve; the rice-water mixing tank is cleaned by the rice slurry water in the rice slurry water recycling pipeline connected to the rice slurry water recycling system, and the rice material in the rice-water mixing tank is soaked by the water connected to the recycling water pipeline; the wet rice pre-fermentation processing system comprises a pre-fermentation rice soaking tank and a belt conveyor. conveyor; the pre-fermentation rice soaking tank is connected to the rice-water mixed liquid output by the rice material metering and soaking system and the rice slurry water in the rice slurry water recovery pipeline connected to the rice slurry water recycling system for fermentation, and the fermented rice material is transported to the belt conveyor through the electric discharge valve and transferred to the yellow wine rice steaming machine; the rice slurry water recycling system includes multiple groups of rice slurry water recovery tanks, each group of rice slurry water recovery tanks cools the rice soaking water output from the wet rice pre-fermentation processing system and the water connected to the tap water input pipeline and the CIP cleaning pipeline, and then transports them to the rice water mixing tank and the pre-fermentation rice soaking tank through the rice slurry water recovery pipeline for reuse.

[0005] Furthermore, the rice material metering and soaking system also includes a grain silo, a dust removal system and a three-way dispensing valve; the grain silo conveys the rice material to the three-way dispensing valve through a conveying pump through a solid material chute, and the rice material enters the corresponding rice material temporary storage bin through the three-way dispensing valve; the rice material temporary storage bin is provided with a dust removal system to remove dust from the rice material; the rice material and water soaked in the rice-water mixing tank are input into the pre-fermentation rice soaking tank through a rice-water mixed liquid output pipeline under the action of a wet rice conveying pump; a cleaning ball is provided in the rice-water mixing tank; the cleaning ball is connected to a rice slurry water recovery pipeline connected to a rice slurry water recycling system.

[0006] Furthermore, the wet rice pre-fermentation processing system also includes a jumper tube plate and a collector; the jumper tube plate is respectively connected to the tap water input pipeline, the CIP cleaning pipeline and the rice slurry water recovery pipeline, and the jumper tube plate connects the water in the tap water input pipeline, the CIP cleaning pipeline and the rice slurry water recovery pipeline to the pre-fermentation rice soaking tank; the collector is arranged on the belt conveyor below the discharge pipe located at the bottom of the pre-fermentation rice soaking tank; the electric discharge valve is arranged on the upper side of the discharge pipe.

[0007] Furthermore, a compressed air pipeline and a vacuum pipeline are arranged under the pre-fermentation rice soaking tank; a pipeline connected to the pre-fermentation rice soaking tank is arranged on the compressed air pipeline; a water outlet pipe joint is arranged on the bottom side of the pre-fermentation rice soaking tank, a pipeline connected to the water outlet pipe joint is arranged on the vacuum pipeline, and a switch valve is arranged on the pipeline, and a branch pipeline connected to the rice slurry water recovery pipeline is also arranged on the pipeline, and a switch valve is arranged on the branch pipeline; a filter is arranged in the water outlet pipe joint.

[0008] Furthermore, an overflow valve is provided on the upper side of the pre-fermentation rice soaking tank; the overflow valve is connected to the rice slurry water recovery pipeline corresponding to the branch pipeline through a pipeline, and the water discharged from the branch pipeline of the pre-fermentation rice soaking tank and the pipeline of the overflow valve is input into each group of rice slurry water recovery tanks through the rice soaking water output pipeline.

[0009] Furthermore, the rice milk water recovery tank includes a tank body, a rotating cleaning ball and a cooling jacket; the tank cover of the tank body is respectively provided with a water inlet, a material outlet and a rotating cleaning ball; the side of the tank body is provided with a drain port and a cooling jacket; the bottom of the tank body is provided with a sewage outlet; the cooling jacket is provided with a liquid inlet and a liquid outlet.

[0010] Furthermore, the rice milk water recycling system also includes a chilled water input pipeline and a chilled water return pipeline; the chilled water input pipeline is connected to the liquid inlet on each rice milk water recovery tank; the chilled water return pipeline is connected to the liquid outlet on each rice milk water recovery tank.

[0011] Furthermore, a compressed air pipeline and a CIP cleaning pipeline are arranged under the rice milk water recovery tank; the compressed air pipeline is provided with a pipeline connected to the side of the sewage outlet; a pipeline connected to the CIP cleaning pipeline is arranged vertically downward from the sewage outlet; and switch valves are arranged on the side of the sewage outlet and the vertically downward pipeline.

[0012] Furthermore, a cleaning water reflux pump is provided on the CIP cleaning pipeline; and a sewage treatment pipeline is also provided on the CIP cleaning pipeline.

[0013] Furthermore, each drainage port is connected to a rice slurry water recovery pipeline, and a rice slurry water power pump is arranged on the rice slurry water recovery pipeline.

[0014] The beneficial effects of the present invention are as follows: the present invention not only achieves full utilization of water resources, but also ensures the water temperature requirements of rice wine fermentation production, and the system equipment has high operating stability and efficiency, which is convenient for pipeline control and maintenance; it reduces energy consumption to the greatest extent and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structural principle of the rice material metering and soaking system during the production of yellow wine of the present invention; Figure 2 This is a schematic diagram of the structural principle of the wet rice pre-fermentation processing system during the production of yellow wine of the present invention; Figure 3 The present invention is a schematic diagram of the structure principle of the rice water recycling system during the production of yellow wine.

[0016] In the figure: grain silo A; dust removal system B; first rice slurry water recovery pipeline C; second rice slurry water recovery pipeline D; recovery water pipeline E; compressed air pipeline F; rice water mixed liquid output pipeline G; tap water input pipeline H; CIP cleaning pipeline J; vacuum pipeline K; rice soaking water output pipeline M; chilled water input pipeline N; sewage treatment pipeline P; chilled water return pipeline Q; rice material temporary storage warehouse 1; rice water mixing tank 2; pre-fermentation rice soaking tank 3; rice slurry water recovery tank 4 ; three-way dispensing valve 5; pneumatic gate valve 6; metering scale 7; wet rice delivery pump 8; jumper pipe plate 9; electric discharge valve 10; collector 11; belt conveyor 12; overflow valve 13; cleaning water reflux pump 14; rice slurry water dynamic pump 15; outlet pipe joint 16; cleaning ball 17; tank body 41; water inlet 42; discharge port 43; rotating cleaning ball 44; cooling jacket 45; drain port 46; sewage outlet 47; liquid inlet 451; liquid outlet 452. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the best embodiment shown in the accompanying drawings.

[0018] Reference Figures 1 to 3As shown, a yellow rice wine soaking water resource recycling system includes a rice material metering and soaking system, a wet rice pre-fermentation processing system and a rice slurry water recycling system; the rice material metering and soaking system includes a rice material temporary storage bin 1 and a rice-water mixing tank 2; a metering scale 7 is arranged below the rice material temporary storage bin 1, and the rice material temporary storage bin 1 is connected to the rice-water mixing tank 2 through a vertical pipeline provided with a pneumatic gate valve 6, and the pneumatic gate valve 6 has the characteristics of simple structure, flexible operation, light weight, no obstruction, and fast cutting, so that it can cooperate with the metering scale 7 to accurately control the raw material parameters in the yellow rice wine fermentation production, and the pneumatic gate valve 6 can adjust the opening at any time to control the flow rate; the rice-water mixing tank 2 is cleaned by the rice slurry water in the rice slurry water recovery pipeline connected to the rice slurry water recycling system, and the rice material in the rice-water mixing tank 2 is soaked by the water connected by the recovery water pipeline E, and the recovery water pipeline E can be connected to the rice soaking The water introduced by the water output pipeline M can also be the rice slurry water introduced by the rice slurry water recovery pipeline connected to the rice slurry water reuse system, so as to achieve full and reasonable utilization of water resources; the wet rice pre-fermentation processing system includes a pre-fermentation rice soaking tank 3 and a belt conveyor 12; the pre-fermentation rice soaking tank 3 ferments by connecting the rice-water mixed liquid output by the rice material metering soaking system and the rice slurry water in the rice slurry water recovery pipeline connected to the rice slurry water reuse system, and conveys the fermented rice material to the belt conveyor 12 through the electric discharge valve 10 and transfers it to the yellow wine rice steaming machine; the rice slurry water reuse system includes a plurality of groups of rice slurry water recovery tanks 4, each group of rice slurry water recovery tanks 4 cools the rice soaking water output from the wet rice pre-fermentation processing system and the water connected to the tap water input pipeline H and the CIP cleaning pipeline J, and then transports them to the rice water mixing tank 2 and the pre-fermentation rice soaking tank 3 through the rice slurry water recovery pipeline for reuse. When feeding, the rice water is sent to the rice water mixing tank 2 and the pre-fermentation rice soaking tank 3 through the rice slurry water recovery pipeline as rice soaking water, replacing tap water as feeding water. The rice slurry water in the rice slurry water recovery pipeline can also be used as CIP cleaning water, so that water resources can be fully and reasonably reused. In the production of yellow rice wine, the water saving amount is about 75t of water based on 25t / h rice feeding; based on 150t of feeding a day, 450t of water is required, which can save 450t of water resources, greatly reducing the cost of yellow rice wine production.

[0019] As a preferred embodiment, Figure 1As shown, the rice material metering and soaking system also includes a grain silo A, a dust removal system B and a three-way dispensing valve 5; the grain silo A conveys the rice material to the three-way dispensing valve 5 through a conveying pump through a solid material chute to ensure the uniformity of the dispensing, and the rice material enters the corresponding rice material temporary storage bin 1 through the three-way dispensing valve 5; the rice material temporary storage bin 1 is provided with a dust removal system B to remove dust from the rice material; the rice material and water soaked in the rice-water mixing tank 2 are input into the pre-fermentation rice soaking tank 3 through the rice-water mixed liquid output pipeline G under the action of the wet rice conveying pump 8; the rice-water mixing tank 2 is provided with a cleaning ball 17; the cleaning ball 17 is connected to the rice slurry water recovery pipeline (the first rice slurry water recovery pipeline C or the second rice slurry water recovery pipeline D) connected to the rice slurry water reuse system to make full use of water resources.

[0020] As a preferred embodiment, Figure 2 As shown, the wet rice pre-fermentation processing system also includes a jumper tube plate 9 and a collector 11; the jumper tube plate 9 is respectively connected to the tap water input pipeline H, the CIP cleaning pipeline J and the rice slurry water recovery pipeline, and the jumper tube plate 9 connects the water in the tap water input pipeline H, the CIP cleaning pipeline J and the rice slurry water recovery pipeline to the pre-fermentation rice soaking tank 3; the collector 11 is arranged on the belt conveyor 12 below the discharge pipe located at the bottom of the pre-fermentation rice soaking tank 3; the electric discharge valve 10 is arranged on the upper side of the discharge pipe. A compressed air pipeline F and a vacuum pipeline K are arranged below the pre-fermentation rice tank 3; a pipeline connected to the pre-fermentation rice tank 3 is arranged on the compressed air pipeline F; a water outlet pipe joint 16 is arranged on the bottom side of the pre-fermentation rice tank 3, and a pipeline connected to the water outlet pipe joint 16 is arranged on the vacuum pipeline K, and a switch valve is arranged on the pipeline, and a branch pipeline connected to the rice slurry water recovery pipeline is also arranged on the pipeline, and a switch valve is arranged on the branch pipeline; after the pre-fermentation rice tank 3 reaches the prescribed process time for soaking and fermentation, the switch valve on the branch pipeline is opened first. At the beginning, the pre-fermentation rice tank 3 has a lot of water and drains quickly. As the water in the pre-fermentation rice tank 3 is gradually drained, the rice material below will become hardened and the draining speed will become slower and slower. At this time, the compressed air is opened. The air pipeline F is connected to the pre-fermentation rice soaking tank 3, and then the vacuum pump connected to the vacuum pipeline K is started. A vacuum will be formed at the bottom of the pre-fermentation rice soaking tank 3, and the drainage speed will be greatly accelerated. After the drainage is completed, the switch valve is closed, and the electric discharge valve 10 is opened to allow the drained rice to fall into the collector 11 from the outlet at the bottom of the pre-fermentation rice soaking tank 3 along the pipeline, and then sent to the rice steaming machine for rice wine production through the belt conveyor 12 for further processing. The entire operation process can greatly save production time, thereby improving production efficiency and the brewing quality of rice wine; a filter screen is provided in the water outlet pipe joint 16 to prevent blockage and prevent the rice from being extracted, thereby improving the material utilization rate in the production process and avoiding affecting the stability and efficiency of equipment operation.

[0021] As a preferred embodiment, an overflow valve 13 is provided on the upper side of the pre-fermentation rice soaking tank 3; the overflow valve 13 is connected to the rice slurry water recovery pipeline corresponding to the branch pipeline through a pipeline, and the water discharged from the branch pipeline of the pre-fermentation rice soaking tank 3 and the pipeline of the overflow valve 13 is input into each group of rice slurry water recovery tanks 4 through the rice soaking water output pipeline M, so that water resources are fully utilized.

[0022] As a preferred embodiment, Figure 3 As shown, the rice milk water recovery tank 4 includes a tank body 41, a rotating cleaning ball 44 and a cooling jacket 45; the tank cover of the tank body 41 is respectively provided with a water inlet 42, a discharge port 43 and a rotating cleaning ball 44; the side of the tank body 41 is provided with a drain port 46 and a cooling jacket 45; the bottom of the tank body 41 is provided with a sewage outlet 47; the cooling jacket 45 is provided with a liquid inlet 451 and a liquid outlet 452, so as to ensure the good operation of the system equipment and the parameter requirements of rice wine fermentation production.

[0023] As a preferred embodiment, the rice slurry water recycling system also includes a chilled water input pipeline N and a chilled water return pipeline Q; the chilled water input pipeline N is connected to the liquid inlet 451 on each rice slurry water recovery tank 4; the chilled water return pipeline Q is connected to the liquid outlet 452 on each rice slurry water recovery tank 4; in this way, full utilization of water resources is achieved, and the water temperature requirements of rice wine fermentation production can be guaranteed, and energy consumption is minimized and production costs are reduced.

[0024] As a preferred embodiment, a compressed air pipeline F and a CIP cleaning pipeline J are arranged under the rice milk water recovery tank 4; the compressed air pipeline F is provided with a pipeline connected to the side of the sewage outlet 47; the sewage outlet 47 is vertically provided with a pipeline connected to the CIP cleaning pipeline J; switch valves are arranged on the side of the sewage outlet 47 and the vertically downward pipeline; the sewage outlet 47 is cleared by the compressed air pipeline F to maintain the smooth operation of the equipment, and the switch valve can facilitate the control and maintenance of the pipeline, thereby maximizing the operating efficiency of the equipment from a theoretical design perspective.

[0025] As a preferred embodiment, a cleaning water reflux pump 14 is provided on the CIP cleaning pipeline J; a sewage treatment pipeline P is also provided on the CIP cleaning pipeline J to ensure continuous and stable use of the system.

[0026] As a preferred embodiment, each drain port 46 is connected to a rice slurry water recovery pipeline, and a rice slurry water power pump 15 is provided on the rice slurry water recovery pipeline.

[0027] Specific: such as Figure 3As shown, taking the rice slurry water reuse system having six rice slurry water recovery tanks 4, which are divided into two groups as an example, the water inlets 42 of the front three rice slurry water recovery tanks 4 are respectively connected to a rice soaking water output pipeline M, and the water inlets 42 of the rear three rice slurry water recovery tanks 4 are respectively connected to another rice soaking water output pipeline M. After the water collected by the rice slurry water recovery tank 4 is introduced into the cooling jacket 45 through the chilled water input pipeline N for cooling, it is introduced into the rice slurry water recovery pipeline (C or D) of the rice water mixing tank 2 from the first rice slurry water recovery pipeline C and the second rice slurry water recovery pipeline D respectively, and the rice water mixing tank 2 is cleaned by the cleaning ball 17, and the cleaned water is input into the pre-fermentation rice soaking tank 3 through the rice water mixed liquor output pipeline G, and then flows into the first rice slurry water recovery pipeline C or the second rice slurry water recovery pipeline D or the CIP cleaning pipeline J from the rice soaking water output pipeline M, so as to be reused, and can also be discharged through the sewage treatment pipeline P according to the water quality. The recovered water pipeline E of the rice water mixing tank 2 can be water introduced by accessing the rice soaking water output pipeline M, or can be rice slurry water introduced by accessing the rice slurry water recovery pipeline (the first rice slurry water recovery pipeline C or the second rice slurry water recovery pipeline D) of the rice slurry water reuse system, so as to achieve full and reasonable utilization of water resources. The tap water input pipeline H and the CIP cleaning pipeline J are used as supplementary water for the water resource reuse system, which can not only complete the cleaning of the system, but also supplement the water resource demand of the system, so as to achieve the minimum usage of tap water and CIP cleaning water, and ensure the sustainability of the water resource reuse system.

[0028] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A rice wine soaking water resource recycling system, comprising a rice material metering and soaking system, a wet rice pre-fermentation processing system and a rice slurry water recycling system; the rice material metering and soaking system comprises a rice material temporary storage bin and a rice-water mixing tank; a metering scale is arranged below the rice material temporary storage bin, and the rice material temporary storage bin is connected to the rice-water mixing tank through a vertical pipeline provided with a pneumatic gate valve; the rice-water mixing tank is cleaned by the rice slurry water in the rice slurry water recycling pipeline connected to the rice slurry water recycling system, and the rice material in the rice-water mixing tank is soaked by the water connected to the recycling water pipeline; the wet rice pre-fermentation processing system comprises a pre-fermentation rice soaking tank and a rice-water mixing tank; Belt conveyor; the pre-fermentation rice soaking tank is connected to the rice-water mixed liquid output by the rice material metering and soaking system and the rice slurry water in the rice slurry water recovery pipeline connected to the rice slurry water recycling system for fermentation, and the fermented rice material is transported to the belt conveyor through the electric discharge valve and transferred to the yellow wine rice steaming machine; the rice slurry water recycling system includes multiple groups of rice slurry water recovery tanks, each group of rice slurry water recovery tanks cools the rice soaking water output from the wet rice pre-fermentation processing system and the water connected to the tap water input pipeline and the CIP cleaning pipeline, and then transports them to the rice water mixing tank and the pre-fermentation rice soaking tank through the rice slurry water recovery pipeline for reuse.

2. A yellow wine soaked rice water resource recycling system according to claim 1, characterized in that: The rice material metering and soaking system also includes a grain silo, a dust removal system and a three-way dispensing valve; the grain silo conveys the rice material to the three-way dispensing valve through a conveying pump through a solid material chute, and the rice material enters the corresponding rice material temporary storage bin through the three-way dispensing valve; the rice material temporary storage bin is provided with a dust removal system to remove dust from the rice material; the rice material and water soaked in the rice-water mixing tank are input into the pre-fermentation rice soaking tank through a rice-water mixed liquid output pipeline under the action of a wet rice conveying pump; a cleaning ball is provided in the rice-water mixing tank; the cleaning ball is connected to a rice slurry water recovery pipeline connected to a rice slurry water recycling system.

3. A rice wine soaking water resource recycling system according to claim 1, characterized in that: The wet rice pre-fermentation processing system also includes a jumper tube plate and a collector; the jumper tube plate is respectively connected to the tap water input pipeline, the CIP cleaning pipeline and the rice slurry water recovery pipeline, and the jumper tube plate connects the water in the tap water input pipeline, the CIP cleaning pipeline and the rice slurry water recovery pipeline to the pre-fermentation rice soaking tank; the collector is arranged on the belt conveyor below the discharge pipe located at the bottom of the pre-fermentation rice soaking tank; the electric discharge valve is arranged on the upper side of the discharge pipe.

4. A yellow wine soaked rice water resource recycling system according to claim 3, characterized in that: A compressed air pipeline and a vacuum pipeline are arranged below the pre-fermentation rice soaking tank; a pipeline connected to the pre-fermentation rice soaking tank is arranged on the compressed air pipeline; a water outlet pipe joint is arranged on the side of the bottom of the pre-fermentation rice soaking tank, a pipeline connected to the water outlet pipe joint is arranged on the vacuum pipeline, and a switch valve is arranged on the pipeline, and a branch pipeline connected to the rice slurry water recovery pipeline is also arranged on the pipeline, and a switch valve is arranged on the branch pipeline; a filter is arranged in the water outlet pipe joint.

5. The yellow wine soaked rice water resource recycling system according to claim 3, characterized in that: An overflow valve is arranged on the upper side of the pre-fermentation rice soaking tank; the overflow valve is connected to the rice slurry water recovery pipeline corresponding to the branch pipeline through a pipeline, and the water discharged from the branch pipeline of the pre-fermentation rice soaking tank and the pipeline of the overflow valve is input into each group of rice slurry water recovery tanks through the rice soaking water output pipeline.

6. The yellow wine soaked rice water resource recycling system according to claim 1, characterized in that: The rice milk water recovery tank comprises a tank body, a rotating cleaning ball and a cooling jacket; the tank cover of the tank body is respectively provided with a water inlet, a material outlet and a rotating cleaning ball; the side of the tank body is provided with a liquid discharge port and a cooling jacket; the bottom of the tank body is provided with a sewage outlet; the cooling jacket is provided with a liquid inlet and a liquid outlet.

7. A rice wine soaking water resource recycling system according to claim 6, characterized in that: The rice milk water recycling system also includes a chilled water input pipeline and a chilled water return pipeline; the chilled water input pipeline is connected to the liquid inlet on each rice milk water recovery tank; the chilled water return pipeline is connected to the liquid outlet on each rice milk water recovery tank.

8. The yellow wine soaked rice water resource recycling system according to claim 6, characterized in that: A compressed air pipeline and a CIP cleaning pipeline are arranged below the rice milk water recovery tank; the compressed air pipeline is provided with a pipeline connected to the side of the sewage outlet; a pipeline connected to the CIP cleaning pipeline is arranged vertically downward from the sewage outlet; switch valves are arranged on the side of the sewage outlet and on the vertically downward pipeline.

9. A yellow wine soaked rice water resource recycling system according to claim 8, characterized in that: The CIP cleaning pipeline is provided with a cleaning water reflux pump; the CIP cleaning pipeline is also provided with a sewage treatment pipeline.

10. The yellow wine soaked rice water resource recycling system according to claim 6, characterized in that: Each liquid discharge port is connected to a rice slurry water recovery pipeline, and a rice slurry water power pump is arranged on the rice slurry water recovery pipeline.

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