Filtering device for power plant

Abstract

The utility model discloses a filtering device for a power plant, which belongs to the technical field of filtering devices and comprises a filtering box, and a top cover is arranged at the top of the filtering box. The device further comprises a filtering assembly, the filtering assembly comprises a filtering hopper, first filtering holes are formed in the surface of the filtering hopper, and a fixing frame is fixedly installed at the top of the filtering hopper; through the arrangement of the filter hopper and the filter box, the device is simple in structure, convenient and practical, large-volume foreign matters, suspended matters, floccules and the like in wastewater can be filtered out, external pipelines are prevented from being blocked, and through the matched use of the structures such as the deslagging pipe and the deslagging auger, the foreign matters filtered out by the filter hopper can be intensively discharged out of the filter box; the filtering work can be ensured to be normally carried out while the foreign matters are cleaned, the filtering efficiency is greatly improved, and water in the foreign matters is further filtered while the foreign matters are discharged by obliquely mounting the residue discharge pipe, so that the water content in the foreign matters is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field, concretely is a filter device for power plant. BACKGROUND

[0002] The power plant produces oil-containing wastewater, chemical wastewater and domestic sewage during operation, which contains pollutants such as oil stains, heavy metals and domestic waste. If the wastewater is directly discharged without treatment, it will pollute surface water, soil and groundwater, destroy the ecological environment, and harmful substances such as heavy metals in the sewage may accumulate in the organism, posing a potential threat to aquatic organisms and human health. High-hardness wastewater may scale in pipes and equipment, reducing heat exchange efficiency and affecting the normal operation of equipment. Acidic or alkaline wastewater can corrode equipment and pipes, shortening the service life of equipment. In order to prevent large-volume foreign matter, suspended matter and flocculation in wastewater from blocking the conveying pipeline, it is necessary to filter the large-volume foreign matter, suspended matter and flocculation first.

[0003] After searching, the prior art discloses a power plant wastewater zero-discharge filter device in Chinese patent publication No. CN213527614U, which comprises a filter chamber; the filter chamber has a water inlet and a water outlet; a grid filter plate is arranged in the filter chamber, and a plurality of uniformly distributed screen holes are formed in the grid filter plate; the filter chamber is provided with a residue discharge port corresponding to the grid filter plate; a push plate is arranged below the grid filter plate, and a pin is formed on the push plate and matched with the screen hole; a push mechanism connected with the push plate is further included; the push plate pushes the grid filter plate to insert the pin into the screen hole to dredge the screen hole. By regularly cleaning the debris, the application of the technical scheme can effectively prevent the debris from blocking the screen hole and reducing the water flow, which affects the subsequent water use. In addition, during normal filtration of power plant wastewater, the push mechanism can be opened regularly to dredge the screen hole and prevent the screen hole from being blocked too early.

[0004] However, the device still has the following defects:

[0005] The device needs to stop the filtration work to clean the filtered foreign matter, resulting in low filtration efficiency of the device. At the same time, the device uses a flushing pipe to flush the filter plate, which results in high water content of the filtered foreign matter, which is not easy to handle, causing trouble to the operator. The device does not solve this problem. Utility model content

[0006] The utility model discloses a filter device for power plant, through set up and cooperate with the use of the structure such as slagging pipe and slagging auger, can the foreign matter that filter hopper filters out is concentrated and is discharged filter case, and the foreign matter is cleaned up while guaranteeing that filter work normally carries out, greatly improves the filtering efficiency, and through the oblique installation of slagging pipe, the water in the foreign matter is further filtered out while the slagging of the foreign matter, thereby reducing the higher water content in the foreign matter, to solve the problem in the above background art.

[0007] In order to realize the above object, the utility model provides the following technical scheme:

[0008] A filter device for power plant, including filter case, the top of filter case is provided with top cover;

[0009] Still include filter assembly, the filter assembly includes filter hopper, and the filter hopper is arranged in the filter case, the first filter hole is formed in the surface of filter hopper, and the fixed frame is fixedly installed at the top of filter hopper;

[0010] Still include slagging assembly, the slagging assembly includes slagging pipe, and the bottom of the filter hopper is fixedly connected with the top of one end of the slagging pipe, the rotating shaft is rotatably installed in the slagging pipe, and the slagging auger is fixedly installed on the surface of rotating shaft.

[0011] Preferably, the other end of the slagging pipe penetrates the filter case, and the slagging port is formed in the bottom of one end of the slagging pipe outside the filter case.

[0012] Preferably, the slagging pipe is fixedly connected with the filter case, and the slagging pipe is inclinedly arranged, and the end of the slagging pipe connected with the filter hopper is lower than the end of the slagging port.

[0013] Preferably, one end of the rotating shaft is in transmission connection with the output end of the motor, the motor is arranged outside the filter case, and the motor is fixedly installed on the side wall of the slagging pipe.

[0014] Preferably, the mounting groove is formed in the bottom of the slagging pipe.

[0015] Preferably, the metal filter plate is fixedly installed in the mounting groove, and the second filter hole is formed in the surface of the metal filter plate.

[0016] Preferably, the top of the fixed frame is fixedly connected with the top cover, and the water inlet pipe is fixedly installed on one side of the top cover.

[0017] Preferably, the water collecting hopper is integrally formed in the bottom of the filter case, and the water outlet pipe is fixedly installed in the bottom of the water collecting hopper.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses through setting up filter hopper and filter box, simple structure, convenient and practical, can filter out the larger volume of foreign matter, suspended matter and flocculation in waste water etc., prevent the blockage of external pipeline, and through setting up slagging-off pipe and slagging-off auger etc. cooperation use structure, can concentrate the foreign matter that filter hopper filters out and discharge filter box, and can guarantee the normal operation of filtering work when cleaning foreign matter, greatly improve the filtering efficiency, and through the oblique installation of slagging-off pipe, further filter out the water in foreign matter when slagging-off, thereby reduce the water content in foreign matter is higher. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the utility model structural schematic diagram;

[0021] Fig. 2 It is filter hopper structural schematic diagram;

[0022] Fig. 3 It is the structure schematic diagram of slagging-off subassembly.

[0023] In the drawing: 1, filter box;2, top cover;3, filter hopper;4, fixed frame;5, slagging-off pipe;6, rotating shaft;7, slagging-off auger;8, slagging-off port;9, motor;10, metal filter plate;11, installation groove;12, water inlet pipe;13, water collecting hopper;14, water outlet pipe;15, first filter hole;16, second filter hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0026] A filter device for power plant, including filter box 1, the top of filter box 1 is provided with top cover 2, and the top of fixed frame 4 is fixedly connected with top cover 2, and one side of top cover 2 is fixedly installed with water inlet pipe 12, and the bottom of filter box 1 is integrally formed with water collecting hopper 13, and the bottom of water collecting hopper 13 is fixedly installed with water outlet pipe 14.

[0027] By setting the water inlet pipe 12, it is convenient to add wastewater into the filter box 1, and cooperating with the top cover 2 can prevent the added wastewater from splashing out of the filter box 1, thereby preventing the surrounding environment of the device from being polluted, and by setting the water collecting hopper 13, the filtered wastewater can be collected and discharged to a designated position from the water outlet pipe 14, thereby facilitating further treatment of the wastewater.

[0028] The filter assembly further comprises a filter hopper 3 arranged inside the filter box 1, and a first filter hole 15 is arranged on the surface of the filter hopper 3.

[0029] By setting the filter hopper 3, larger-volume foreign matters, suspended matters and flocculation matters in the wastewater can be filtered out and collected at the bottom of the filter hopper 3, so as to facilitate the foreign matters, suspended matters and flocculation matters to enter the slag outlet pipe 5 for slagging, and the larger-volume foreign matters, suspended matters and flocculation matters in the wastewater can be prevented from blocking the external pipeline for conveying the wastewater, so as to ensure that the wastewater can enter other external equipment through the external pipeline, thereby facilitating the next step of treatment of the wastewater.

[0030] The slag discharge assembly further comprises a slag outlet pipe 5, one end of the slag outlet pipe 5 is fixedly connected to the bottom of the filter hopper 3, a rotating shaft 6 is rotatably arranged in the slag outlet pipe 5, a slag auger 7 is fixedly arranged on the surface of the rotating shaft 6, one end of the rotating shaft 6 is in transmission connection with the output end of a motor 9, the motor 9 is arranged outside the filter box 1, and the motor 9 is fixedly arranged on the side wall of the slag outlet pipe 5.

[0031] By setting the motor 9, the rotating shaft 6 can be driven to rotate by the output end of the motor 9, so that the slag auger 7 rotates, and the rotating slag auger 7 can push the filtered foreign matters to move in the slag outlet pipe 5 to the slag outlet 8, thereby realizing automatic slagging, reducing the labor intensity of the operator, and improving the filtering efficiency.

[0032] The other end of the slag outlet pipe 5 penetrates through the filter box 1, the slag outlet pipe 5 is fixedly connected to the filter box 1, and the slag outlet pipe 5 is arranged obliquely and the end connected to the filter hopper 3 is lower than the end of the slag outlet 8.

[0033] By inclining the slag outlet pipe 5 and arranging the end of the slag outlet pipe 5 connected with the filter hopper 3 lower than the end of the slag outlet 8, when the slagging auger 7 pushes the foreign matters, the water remained in the foreign matters can flow to the metal filter plate 10 through the bottom of the slag outlet pipe 5 and flow into the water collecting hopper 13 through the second filter holes 16 on the surface of the metal filter plate 10, which greatly reduces the water content of the filtered foreign matters, thereby improving the filtering effect and facilitating the next step of processing the filtered foreign matters by the operator.

[0034] In use, the device is moved to a designated position, the water inlet pipe 12 is communicated with an external device for storing wastewater, then the wastewater is added into the filtering box 1 through the water inlet pipe 12, the wastewater moves downward under the influence of gravity, when contacting the filter hopper 3, the wastewater flows into the water collecting hopper 13 through the first filter holes 15 on the surface of the filter hopper 3 and is concentrated at the bottom of the water collecting hopper 13, then is discharged from the drain pipe, meanwhile, the foreign matters, suspended matters and flocculated matters with large volume contained in the wastewater are filtered in the filter hopper 3 and slide downward along the slope surface of the filter hopper 3 under the influence of their own gravity and the flushing of the continuously added wastewater, until sliding to the bottom of the filter hopper 3 and entering the slag outlet pipe 5, the operator can start the motor 9 to control the motor 9 to drive the rotating shaft 6 to rotate, the rotating shaft 6 drives the slagging auger 7 on the surface of the rotating shaft 6 to rotate, the rotating slagging auger 7 pushes the foreign matters, suspended matters and flocculated matters entering the slag outlet pipe 5 to move to the slag outlet 8 at the other end of the slag outlet pipe 5, until pushing the foreign matters, suspended matters and flocculated matters out of the filtering box 1 from the slag outlet 8, realizing automatic slagging, meanwhile, when the slagging auger 7 pushes the foreign matters, suspended matters and flocculated matters to move, the wastewater remained in the foreign matters, suspended matters and flocculated matters is squeezed out, thereby reducing the water content, meanwhile, the squeezed wastewater moves to the low end in the slag outlet pipe 5, flows into the water collecting hopper 13 through the second filter holes 16 on the surface of the metal filter plate 10 and is discharged from the water outlet pipe 14.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter device for a power plant, characterized by: It comprises a filter box (1), wherein a top cover (2) is provided on the top of the filter box (1); The filter assembly further comprises a filter hopper (3), the filter hopper (3) being arranged inside the filter box (1), a first filter hole (15) being provided on the surface of the filter hopper (3), a fixing frame (4) being fixedly mounted on the top of the filter hopper (3), and a bottom of the fixing frame (4) being fixedly mounted on the top of the filter box (1); The invention also includes a slag discharge assembly, which includes a slag discharge pipe (5), the upper end of which is fixedly connected to the bottom of the filter bucket (3), a rotating shaft (6) is rotatably installed inside the slag discharge pipe (5), and a slag discharge auger (7) is fixedly installed on the surface of the rotating shaft (6).

2. A filter device for a power plant according to claim 1, characterized in that: The other end of the slag discharge pipe (5) passes through the filter box (1), and a slag discharge port (8) is provided at the bottom of one end of the slag discharge pipe (5) outside the filter box (1).

3. A filter device for a power plant according to claim 2, characterized in that: The slag discharge pipe (5) is fixedly connected to the filter box (1), the slag discharge pipe (5) is arranged obliquely, and the end of the slag discharge pipe (5) connected to the filter bucket (3) is lower than the end of the slag discharge port (8).

4. The power plant filter device according to claim 1, characterized in that: One end of the rotating shaft (6) is drivingly connected to the output end of the motor (9), the motor (9) is arranged outside the filter box (1), and the motor (9) is fixedly installed on the side wall of the slag discharge pipe (5).

5. The power plant filter device according to claim 1, characterized in that: An installation groove (11) is provided at one end of the bottom of the slag discharge pipe (5) close to the filter bucket (3), and the installation groove (11) is opened at the bottom of the slag discharge pipe (5).

6. The power plant filter device according to claim 5, characterized in that: A metal filter plate (10) is fixedly installed in the installation groove (11), and a second filter hole (16) is opened on the surface of the metal filter plate (10).

7. The power plant filter device according to claim 1, characterized in that: The top of the fixed frame (4) is fixedly connected to the top cover (2), and a water inlet pipe (12) is fixedly installed on one side of the top cover (2).

8. The filter device for power plants according to claim 7, characterized in that: The bottom of the filter box (1) is integrally formed with a water collecting bucket (13), and the bottom of the water collecting bucket (13) is fixedly mounted with a water outlet pipe (14).

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