Valveless automatic outward blowdown system

Abstract

The utility model belongs to the field of metallurgy, and particularly relates to a valveless automatic outward blowdown system which comprises a first blowdown pump, a second blowdown pump, a sewage collecting pool, a first liquid level meter, a second liquid level meter, a control box, a first inverted-U-shaped blowdown branch pipe, a second inverted-U-shaped blowdown branch pipe and a blowdown header pipe, the first inverted-U-shaped blowdown branch pipe is connected with the first blowdown pump, and the second inverted-U-shaped blowdown branch pipe is connected with the second blowdown pump. The first inverted-U-shaped sewage discharging branch pipe is connected with a first sewage pump, the second inverted-U-shaped sewage discharging branch pipe is connected with a second sewage discharging pump, the first inverted-U-shaped sewage discharging branch pipe and the second inverted-U-shaped sewage discharging branch pipe are communicated with a sewage discharging main pipe, and the included angle between the sewage discharging main pipe and the horizontal plane is 16-30 degrees. According to the scheme, the automatic drainage function can be achieved, the problem of sewage return is avoided, meanwhile, the problem that dirt and entanglements can be attached to the butterfly valve and the check valve of a traditional drainage system, and the overhaul and sewage discharge efficiency of a sewage pump is affected is solved, meanwhile, the structure is simple and convenient, implementation and later maintenance are easy, popularization is convenient, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metallurgy field, concretely relates to a valveless automatic outward pollution discharge system. BACKGROUND

[0002] The statements in this section merely provide background information related to the technical solutions of the present application and can not constitute the prior art of the technical solutions of the present application.

[0003] In the process of high-temperature smelting of metal, circulating water is used to cool the smelting furnace body, so as to ensure the service life of the furnace body. However, a large amount of sewage will be generated in the circulating process of the circulating water, and these waters need to be discharged through a drainage system. Usually, a butterfly valve and a check valve need to be installed on the pipeline of the drainage system. Since the sewage collection tank is open, the sewage contains a large amount of dirt and winding materials. The long-term running drainage system will be attached with dirt and winding materials at the butterfly valve and the check valve, so that the valve is stuck and cannot be closed, which affects the maintenance of the sewage pump and also reduces the sewage discharge amount. SUMMARY

[0004] The utility model aims at providing a valveless automatic outward pollution discharge system, which is a simple structure scheme, so as to solve the problem that the long-term running drainage system will be attached with dirt and winding materials at the butterfly valve and the check valve, the valve is stuck and cannot be closed, which affects the maintenance of the sewage pump and the sewage efficiency.

[0005] One aspect of the present application relates to a valveless automatic outward pollution discharge system, which comprises a first sewage pump, a second sewage pump, a sewage collection tank, a first liquid level meter, a second liquid level meter, a control box, a first inverted "U"-shaped sewage branch pipe, a second inverted "U"-shaped sewage branch pipe, and a sewage main pipe. The first sewage pump, the second sewage pump, the first liquid level meter, and the second liquid level meter are installed in the sewage collection tank. The control box is connected with the first sewage pump, the second sewage pump, the first liquid level meter, and the second liquid level meter in a wired or wireless manner. The first inverted "U"-shaped sewage branch pipe and the second inverted "U"-shaped sewage branch pipe each comprise two vertical pipes and a horizontal pipe connected with the two vertical pipes. The longer vertical pipe of the two vertical pipes of the first inverted "U"-shaped sewage branch pipe is connected with the first sewage pump. The longer vertical pipe of the two vertical pipes of the second inverted "U"-shaped sewage branch pipe is connected with the second sewage pump. The shorter vertical pipe of the two vertical pipes of the first inverted "U"-shaped sewage branch pipe is connected with the sewage main pipe. The shorter vertical pipe of the two vertical pipes of the second inverted "U"-shaped sewage branch pipe is connected with the sewage main pipe. The horizontal angle between the sewage main pipe and the horizontal pipe is 16-30 degrees.

[0006] In one embodiment, the length of the shorter vertical pipe of the two vertical pipes exceeds 8 times the diameter of the vertical pipe.

[0007] In one embodiment, the first inverted "U" shaped blow-off branch and the second inverted "U" shaped blow-off branch are made of steel pipes.

[0008] In one embodiment, the control box provides power required for the operation of the first blow-off pump and the second blow-off pump.

[0009] In one embodiment, the control box provides power required for the operation of the first liquid level meter and the second liquid level meter.

[0010] In one embodiment, the longer vertical pipe of the two vertical pipes of the first inverted "U" shaped blow-off branch is located above the first blow-off pump.

[0011] In one embodiment, the longer vertical pipe of the two vertical pipes of the second inverted "U" shaped blow-off branch is located above the second blow-off pump.

[0012] In one embodiment, the first liquid level meter and the second liquid level meter are used for detecting different liquid level heights in the sewage collection tank.

[0013] The utility model discloses the beneficial effect: the scheme utilizes water gravity flow principle, through sewage pump and raise sewage, and from the blow-off main pipe, realize automatic drainage function, avoid sewage backwater problem, solve the problem that the sewage system of long -term operation is stuck in the butterfly valve and check valve and is attached to dirt and entanglement, and the valve is stuck, cannot close, influence the problem of sewage pump maintenance and sewage efficiency. Meanwhile, the structure of the scheme is simple, easy to realize and post -maintenance, is convenient for the promotion, and reduces the cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] The embodiments of the utility model will be further explained below with reference to the drawings, wherein:

[0015] Figure 1 It is the structural schematic diagram of valveless automatic outward blow-off system according to an embodiment;

[0016] Wherein: 1 - first blow-off pump;2 - second blow-off pump;3 - sewage collection tank;4 - first liquid level meter;5 - second liquid level meter;6 - control box;7 - first inverted "U" shaped blow-off branch;8 - second inverted "U" shaped blow-off branch;9 - blow-off main pipe. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following will be further explained in detail by specific embodiment to the utility model with reference to the drawings. It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0018] Figure 1Fig. 1 is a schematic diagram of a valveless automatic outward sewage discharge system according to an embodiment, as shown, a valveless automatic outward sewage discharge system comprises a first sewage pump 1, a second sewage pump 2, a sewage collection tank 3, a first liquid level meter 4, a second liquid level meter 5, a control box 6, a first inverted "U" shaped sewage branch pipe 7, a second inverted "U" shaped sewage branch pipe 8, a sewage main pipe 9. Figure 1

[0019] The first sewage pump 1, the second sewage pump 2, the first liquid level meter 4 and the second liquid level meter 5 are installed in the sewage collection tank 3. The control box 6 is connected to the first sewage pump 1, the second sewage pump 2, the first liquid level meter 4 and the second liquid level meter 5 by wired and / or wireless connection. The first liquid level meter 4 and the second liquid level meter 5 are used to detect the liquid level of the sewage in the sewage collection tank 3. The control box 6 can receive the liquid level detection signals from the first liquid level meter 4 and the second liquid level meter 5, and control the start and stop of the first sewage pump 1 and the second sewage pump 2 based on the liquid level detection signals to complete the outward discharge of sewage. In an embodiment, the first liquid level meter 4 and the second liquid level meter 5 can detect different liquid levels, for example, the first liquid level meter 4 is used to detect whether the liquid level in the sewage collection tank 3 reaches a lower first height, and the second liquid level meter 5 is used to detect whether the liquid level in the sewage collection tank 3 reaches a higher second height.

[0020] When the first sewage pump 1 is working, the sewage in the sewage collection tank 3 is lifted by the first sewage pump 1, flows downward through the first inverted "U" shaped sewage branch pipe 7 into the sewage main pipe 9, and finally flows outward. When the second sewage pump 2 is working, the sewage in the sewage collection tank 3 is lifted by the second sewage pump 2, flows downward through the second inverted "U" shaped sewage branch pipe 8 into the sewage main pipe 9, and finally flows outward. According to actual needs, the first sewage pump 1 and the second sewage pump 2 can be standby for each other, can be alternately operated, or can be simultaneously operated. For example, when the amount of sewage is large or it is necessary to quickly discharge the sewage, the first sewage pump 1 and the second sewage pump 2 can be simultaneously operated, and when the amount of sewage is small, one of the first sewage pump 1 and the second sewage pump 2 can be operated, and the other can be standby, or the first sewage pump 1 and the second sewage pump 2 can be alternately operated. In an embodiment, when it is detected that the liquid level in the sewage collection tank 3 reaches the lower first height, one of the first sewage pump 1 and the second sewage pump 2 can be started, and when it is detected that the liquid level in the sewage collection tank 3 reaches the higher second height, both of the first sewage pump 1 and the second sewage pump 2 can be operated to improve the sewage discharge efficiency.

[0021] ​The first inverted "U" shaped branch pipe 7 and the second inverted "U" shaped branch pipe 8 each include two vertical pipes and a horizontal pipe in communication with the two vertical pipes. The longer vertical pipe of the two vertical pipes of the first inverted "U" shaped branch pipe 7 is connected to the first sewage pump 1, and the longer vertical pipe of the two vertical pipes of the second inverted "U" shaped branch pipe 8 is connected to the second sewage pump 2. The longer vertical pipe of the two vertical pipes of the first inverted "U" shaped branch pipe 7 is located above the first sewage pump 1. The longer vertical pipe of the two vertical pipes of the second inverted "U" shaped branch pipe 8 is located above the second sewage pump 2. The shorter vertical pipe of the two vertical pipes of the first inverted "U" shaped branch pipe 7 is in communication with the sewage main pipe 9, and the shorter vertical pipe of the two vertical pipes of the second inverted "U" shaped branch pipe 8 is in communication with the sewage main pipe 9. The angle between the sewage main pipe 9 and the horizontal plane can be 16-30 degrees to ensure smooth discharge of sewage. Figure 1 In the embodiment shown, the angle between the sewage main pipe 9 and the horizontal plane is 30 degrees.

[0022] In one embodiment, the first inverted "U" shaped branch pipe 7 and the second inverted "U" shaped branch pipe 8 are made of steel pipes. In one embodiment, the length of the shorter vertical pipe of the two vertical pipes of the first inverted "U" shaped branch pipe 7 and the second inverted "U" shaped branch pipe 8 is more than 8 times the diameter of the pipe to prevent backflow of sewage.

[0023] In one embodiment, the control box 6 provides the first sewage pump 1 and the second sewage pump 2 with the power required for operation.

[0024] In one embodiment, the control box 6 provides the first liquid level meter 4 and the second liquid level meter 5 with the power required for operation. The first liquid level meter 4 and the second liquid level meter 5 feed back the sewage liquid level signal in the sewage collection tank 3 to the control box 6. The control box 6 sends a work instruction to the first sewage pump 1 and / or the second sewage pump 2 through the liquid level detection signal fed back by the first liquid level meter 4 and the second liquid level meter 5, and the first sewage pump 1 and / or the second sewage pump 2 start up after receiving the instruction to complete the external drainage.

[0025] Reference herein to "various embodiments," "some embodiments," "one embodiment," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearances of the phrase "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. It will be appreciated that the particular features, structures, or characteristics described in one embodiment can be combined, in whole or in part, with one or more other embodiments without necessarily being limited thereto. Any

[0026] Some exemplary embodiments of the present application are described above, it can be understood that the above-mentioned embodiments are only used to explain the present application, and do not constitute a limitation on the protection scope of the present application. The features in these embodiments can be recombined in a suitable manner, and the schemes obtained thereby are still within the protection scope required by the present application. Based on the above-mentioned embodiments, all other embodiments obtained by those skilled in the art without making creative efforts, i.e. all modifications, equivalent replacements and improvements, etc. made within the spirit and principles of the present application, are also within the protection scope required by the present application.

Claims

1. A valveless automatic outwardly discharging sewage system comprising: The first sewage pump (1), the second sewage pump (2), the sewage collection tank (3), the first liquid level meter (4), the second liquid level meter (5), the control box (6), the first inverted "U"-shaped sewage branch pipe (7), the second inverted "U"-shaped sewage branch pipe (8), and the sewage main pipe (9), wherein the first sewage pump (1), the second sewage pump (2), the first liquid level meter (4), and the second liquid level meter (5) are installed in the sewage collection tank (3), the control box (6) is connected to the first sewage pump (1), the second sewage pump (2), the first liquid level meter (4), and the second liquid level meter (5) in a wired or wireless manner, the first inverted "U"-shaped sewage branch pipe (7) and the second inverted "U"-shaped sewage branch pipe (8) each include two vertical pipes and a horizontal pipe connected to the two vertical pipes, the longer vertical pipe of the two vertical pipes of the first inverted "U"-shaped sewage branch pipe (7) is connected to the first sewage pump (1), the longer vertical pipe of the two vertical pipes of the second inverted "U"-shaped sewage branch pipe (8) is connected to the second sewage pump (2), the shorter vertical pipe of the two vertical pipes of the first inverted "U"-shaped sewage branch pipe (7) is connected to the sewage main pipe (9), the shorter vertical pipe of the two vertical pipes of the second inverted "U"-shaped sewage branch pipe (8) is connected to the sewage main pipe (9), and the horizontal angle between the sewage main pipe (9) and the horizontal direction is 16-30 degrees.

2. A valveless automatic outwardly discharging dirt system according to claim 1, wherein, The length of the shorter vertical pipe of the two vertical pipes exceeds 8 times the diameter of the vertical pipe.

3. The valveless automatic outwardly discharging sewage system according to claim 1, wherein, The first inverted "U"-shaped sewage branch pipe (7) and the second inverted "U"-shaped sewage branch pipe (8) are made of steel pipes.

4. The valveless automatic outwardly discharging sewage system according to claim 1, wherein, The control box (6) provides the first sewage pump (1) and the second sewage pump (2) with power required for operation.

5. The valveless automatic outwardly discharging sewage system according to claim 1, wherein, The control box (6) provides the first liquid level meter (4) and the second liquid level meter (5) with power required for operation.

6. The valveless automatic outwardly discharging sewage system according to claim 1, wherein, The longer vertical pipe of the two vertical pipes of the first inverted "U"-shaped sewage branch pipe (7) is located above the first sewage pump (1).

7. The valveless automatic outwardly discharging sewage system according to claim 1, wherein, The longer vertical pipe of the two vertical pipes of the second inverted "U"-shaped sewage branch pipe (8) is located above the second sewage pump (2).

8. The valveless automatic outwardly discharging sewage system according to claim 1, wherein, The first liquid level meter (4) and the second liquid level meter (5) are used to detect different liquid levels in the sewage collection tank (3).

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