CN202432507U - Energy-saving recovery device for condensed water - Google Patents

Abstract

The utility model discloses an energy-saving recovery device for condensed water, which comprises a water storage tank and a pressurizing tank, wherein the water storage tank and the pressurizing tank are connected through a pipeline; a jet head used for spraying condensed water into the pressurizing tank at a high speed is arranged in the pressurizing tank; a sprinkle device is arranged at a water outlet of the jet head; a high temperature water pump is connected with a water inlet of the jet head; the water inlet of the high temperature water pump is connected with the lower part of the pressurizing tank; and a water outlet pipe is connected with the water outlet of the high temperature water pump. When the energy-saving recovery device for condensed water is used, a certain amount of condensed water is firstly added into the water storage tank and the pressurizing tank that are mutually communicated, the bottom part of the pressurizing tank is communicated with the jet head positioned at the top part of the pressurizing tank through the high temperature water pump, and the high temperature water pump drives condensed water in the pressurizing tank to be sprayed into the pressurizing tank through the jet head and the sprinkle device after water in the pressurizing tank and the water storage tank reaches a certain amount so as to recover the heat quantity of condensed water; therefore, the effect of recovering the heat quantity of condensed water in a closed manner can be achieved, the recovery quality of condensed water can be improved at the same time, and the energy-saving recovery device is used in the field of water treatment.

Description

A condensed water energy-saving recovery device

technical field

The utility model relates to a water treatment device, in particular to a recovery device for condensed water. the

Background technique

The steam heat contained in the condensed water in the steam boiler water circulation system accounts for 20% to 30% of the total heat, and the condensed water is of good quality and has a relatively high temperature, and the heat contained in it is considerable Recycling condensed water is a good water-saving and energy-saving measure. the

The traditional condensate recovery adopts an open method, and the water collection tank is in the form of an opening, which is to recycle the condensed water into the water collection tank (water supply tank) of the boiler. In the process of traditional recovery and utilization of condensed water, the condensed water collection tank is open to the atmosphere and communicated with the atmosphere. Since the pressure suddenly drops when the condensed water enters the water collection tank, the temperature of the condensed water is higher than that when the pressure drops instantly. The boiling point corresponding to this pressure will generate a large amount of secondary flash steam, and the temperature of the remaining condensed water is about 100°C, and the secondary steam directly discharged into the atmosphere will cause thermal pollution and sometimes cause serious cavitation to the pump. the

In fact, due to flash heat dissipation or sometimes cold water is added to the condensed water to prevent cavitation of the delivery pump, the temperature of the recovered water is only about 70°C at this time, making the energy utilization rate of the condensed water less than 60%. In addition, in the open recovery method, air will enter the condensed water recovery pipeline. Due to the contact between the condensed water and the air, the condensed water will be polluted by impurities in the air again. At the same time, the oxygen and carbon dioxide in the air will dissolve into the condensed water, causing the pH value of the water to decrease, and the metal materials of the piping system will be corroded by acid, which will shorten the service life of equipment and pipelines, reduce the quality of condensed water, and even make it unable to reach the boiler. The quality standard of feed water loses the quality of clean steam condensate that could have been directly used as boiler feed water, and has to be wasted or re-introduced for water treatment, thereby increasing water treatment equipment and costs. the

Utility model content

In order to solve the above problems, the utility model provides an energy-saving recovery device for condensed water that can effectively improve the quality of recovered water. the

The technical scheme that the utility model solves its technical problem adopts is:

An energy-saving recovery device for condensed water, comprising a water collection tank and a pressurized tank connected by pipelines, the pressurized tank is provided with a jet head for spraying condensed water into the pressurized tank at high speed, and the water outlet of the jet head is provided with a spray The device is connected with the water inlet of the jet head and provided with a high-temperature water pump, the water inlet of the high-temperature water pump is connected with the lower part of the pressurized tank, and is connected with the water outlet of the high-temperature water pump with a water outlet pipe.

Further as an improvement of the technical solution of the utility model, a water collecting tank suction pipe which penetrates into the water collecting tank is connected with the water inlet of the jet head. the

As a further improvement of the technical solution of the utility model, a U-shaped pipe for connection is provided between the high-temperature water pump and the jet head, and a pneumatic valve is provided at the connection between the outlet pipe and the U-shaped pipe, and the inlet of the high-temperature water pump is connected below the pneumatic valve. The return pipe connected to the water port. the

As a further improvement of the technical solution of the utility model, the bottom of the water collection tank and the pressurized tank are provided with a connecting pipe for conducting with each other, and an on-off valve is provided on the connecting pipe. the

As a further improvement of the technical solution of the utility model, a water inlet flange is provided on the water collecting tank. the

Beneficial effects of the utility model: the energy-saving recovery device for condensed water first adds a certain amount of condensed water into the water collecting tank and the pressurized tank connected to each other, and connects the bottom of the pressurized tank with the high-temperature water pump The jet head on the top, after the water in the pressurized tank and water collection tank reaches a certain amount, the high-temperature water pump drives the condensed water in the pressurized tank to spray in the pressurized tank through the jet head and spray device to recover its heat , in order to achieve the effect of airtight recovery of condensed water heat, and at the same time help to improve the quality of condensed water recovery. the

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a schematic diagram of the overall structure of the utility model embodiment;

Fig. 2 is a top view of the overall structure of the embodiment of the utility model.

Detailed ways

Referring to Fig. 1 and Fig. 2, the utility model is an energy-saving recovery device for condensed water, which includes a water collection tank 1 and a pressurized tank 2 connected by pipelines, and the pressurized tank 2 is equipped with a device for spraying water into the pressurized tank 2 at a high speed. The jet head 3 of the condensed water, the water outlet of the jet head 3 is provided with a spray device 31, and the water inlet of the jet head 3 is connected with a high-temperature water pump 4, and the water inlet of the high-temperature water pump 4 is connected to the bottom of the pressurized tank 2, and The water outlet of the high temperature water pump 4 is connected with a water outlet pipe 5 . the

The energy-saving recovery device for condensed water first adds a certain amount of condensed water into the water collection tank 1 and the pressurized tank 2 that are connected to each other, and connects the bottom of the pressurized tank 2 with the top of the pressurized tank 2 through the high-temperature water pump 4 The jet head 3, after the water in the pressure tank 2 and the water collection tank 1 reaches a certain amount, the condensed water in the pressure tank 2 is driven by the high-temperature water pump 4 to spray on the pressure tank 2 through the jet head 3 and the spray device 31 The heat is recovered inside to achieve the effect of airtight recovery of condensed water heat, and at the same time it helps to improve the recovery quality of condensed water. the

As a preferred embodiment of the present invention, a water collection tank suction pipe 6 that penetrates into the water collection tank 1 is connected to the water inlet of the jet head 3 . the

The jet head 3 delivers a certain amount of water through the high-temperature water pump 4 for spraying. At the same time, due to the strong spray force of the jet head 3 in the working process, the water collection tank suction pipe 6 connected to the water collection tank 1 can simultaneously absorb the collected water. The condensed water in the tank 1 is sprayed by the jet head 3, and the sprayed water is dispersed by the spray device 31, and can be dropped into the pressurized tank 2 in the form of small water droplets or sprays, so as to realize the pressurization more effectively. The heat of the condensed water is absorbed in tank 2. the

As a preferred embodiment of the present utility model, a U-shaped pipe 7 for connection is provided between the high-temperature water pump 4 and the jet head 3, and a pneumatic valve 8 is provided at the joint between the outlet pipe 5 and the U-shaped pipe 7, and the lower part of the pneumatic valve 8 is connected There is a return pipe 9 connected with the water inlet of the high-temperature water pump 4 . the

The pneumatic valve 8 is closed when the condensed water in the water collecting tank 1 and the pressurized tank 2 is at a low water level, so that the condensed water circulates in the water collecting tank 1 and the pressurized tank 2, when the water collecting tank 1 and the pressurized tank 2 When the water reaches a certain level, the pneumatic valve 8 is opened, so that the treated condensed water can be discharged into the use equipment through the outlet pipe 5, so that the system runs automatically. the

On the one hand, the return pipe 9 can divide the flow and pressure of the condensed water that flows out of the high-temperature water pump 4 and enters the jet head 3; The fluids are mixed and exchanged energy, so that the high-temperature water entering the high-temperature water pump obtains a certain dynamic pressure, thereby overcoming the cavitation phenomenon, and normally transporting water up to 150°C. the

As a preferred embodiment of the present invention, the bottoms of the water collection tank 1 and the pressurized tank 2 are provided with a connecting pipe 10 for communicating with each other, and an on-off valve 11 is provided on the connecting pipe 10 . the

The connecting pipe 10 can facilitate free water communication between the water collecting tank 1 and the pressurized tank 2, and is controlled by switching the on-off valve 11 . the

As a preferred embodiment of the present invention, the water collecting tank 1 is provided with a water inlet flange 12 . the

By connecting the water inlet pipe to the water inlet flange port 12, the condensed water to be treated can be sent into the water collecting tank 1 through the water inlet flange port 12. the

Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art can also make equivalent modifications or replacements without violating the spirit of the present utility model. These equivalent modifications or replacements are all included in the claims of this application. within the limited range. the

Claims (5)

1. condensed water energy-saving recovery device; It is characterized in that: comprise the water collect tank (1) and the pressurized canister (2) that connect through pipeline; Be provided with the jet head (3) that is used for high velocity jet condensed water in pressurized canister (2) in the said pressurized canister (2); The delivery port of said jet head (3) is provided with spray equipment (31); Be provided with high-temperature water pump (4) mutually with the water inlet of said jet head (3), the water inlet of said high temperature water pump (4) is connected in the below of pressurized canister (2), is provided with outlet pipe (5) mutually with the delivery port of said high temperature water pump (4).

2. condensed water energy-saving recovery device according to claim 1 is characterized in that: be provided with the water collect tank suction pipe (6) that gos deep in the water collect tank (1) mutually with the water inlet of said jet head (3).

3. condensed water energy-saving recovery device according to claim 1 and 2; It is characterized in that: be provided with the U-shaped pipe (7) that is used to connect between said high temperature water pump (4) and jet head (3); The junction of said outlet pipe (5) and U-shaped pipe (7) is provided with pneumatic operated valve (8), the below of said pneumatic operated valve (8) be connected with link to each other with the water inlet of high temperature water pump (4) lead return pipe (9).

4. condensed water energy-saving recovery device according to claim 1 is characterized in that: the bottom of said water collect tank (1) and pressurized canister (2) is provided with the connecting tube (10) that is used for conducting each other, and said connecting tube (10) is provided with switch valve (11).

5. condensed water energy-saving recovery device according to claim 1 is characterized in that: said water collect tank (1) is provided with water-in flange mouth (12).

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