Circulating flocculation, filtration and purification device

Abstract

The utility model relates to the technical field of filtration and purification, in particular to a circulating flocculation filtration and purification device which comprises a main tank body, a micropore ceramic filter element is embedded in the main tank body, and an automatic liquid inlet mechanism is arranged on one side, close to the top of the micropore ceramic filter element, of the outer surface of the main tank body. A backwashing mechanism is arranged on the outer surface, close to the microporous ceramic filter element, of the main tank body and comprises a backwashing high-pressure air pipe and a backwashing blow-off pipe which are mounted at the bottom and the top of the microporous ceramic filter element in a penetrating manner, one end, far away from the main tank body, of the backwashing high-pressure air pipe is connected with a high-pressure air pump in a penetrating manner, and the high-pressure air pump works; high-pressure backwashing gas is conveyed to the bottom, close to the micropore ceramic filter element, of the interior of the main tank body through the backwashing high-pressure gas pipe, backwashing is conducted on the micropore ceramic filter element, backwashing of the main tank body can be achieved through the arranged backwashing mechanism, and therefore the micropore ceramic filter element can be effectively cleaned in time, and the service life of the micropore ceramic filter element is prolonged. Furthermore, the filtering and purifying effect and efficiency of flocculation can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of filtration and purification, in particular to a circulating flocculation filtration and purification device. Background Art

[0002] Microflocculation has broad application prospects and market demand in sewage treatment. Wastewater generated in the industrial production process contains a large number of tiny particles and colloidal substances. Microflocculation technology can effectively remove these pollutants, thereby purifying wastewater. In urban sewage treatment plants, microflocculation can also remove bacteria, microorganisms and organic matter in sewage, so that the water quality after sewage treatment meets the discharge standards.

[0003] Microflocculation can also play an important role in the solid-liquid separation process. In the process of sludge treatment and solid waste treatment, microflocculation technology can accelerate the sedimentation and dehydration of sludge. At the same time, microporous ceramic filter elements are often used for microflocculation filtration and purification. Long-term use will cause clogging. If it is not cleaned in time, it will directly affect the subsequent flocculation filtration and purification effect and efficiency.

[0004] Therefore, it is necessary to design a circulating flocculation filtration purification device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a circulating flocculation filtration purification device, which can effectively and timely clean the microporous ceramic filter element, thereby ensuring the flocculation filtration purification effect and efficiency, thereby solving the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A circulating flocculation filtration purification device comprises a main tank body, a microporous ceramic filter element is embedded and installed inside the main tank body, an automatic liquid inlet mechanism is arranged on one side of the outer surface of the main tank body near the top of the microporous ceramic filter element, a backwashing mechanism is arranged on the outer surface of the main tank body near the microporous ceramic filter element, the backwashing mechanism comprises a backwashing high-pressure air pipe and a backwashing sewage pipe which are installed through the bottom and top of the microporous ceramic filter element, and a high-pressure air pump is connected to the end of the backwashing high-pressure air pipe away from the main tank body.

[0008] As a preferred solution of the utility model, backwashing electric valves are fixedly installed on the backwashing high-pressure air pipe and the backwashing sewage pipe, the outside of the high-pressure air pump is electrically connected to an automatic timing controller, and the backwashing electric valve and the automatic timing controller are electrically connected.

[0009] As a preferred solution of the utility model, the automatic liquid inlet mechanism includes a water pump, a mixing raw water pipe, a flocculent water inlet pipe and a flocculant addition port, and the water pump and the water source are connected through the mixing raw water pipe, while the water pump and the main tank body are connected through the flocculent water inlet pipe, and the flocculant addition port is installed on the top of the mixing raw water pipe.

[0010] As a preferred solution of the utility model, a tank cover is provided on the top surface of the main tank body, the tank cover and the main tank body are fixedly connected by fixing bolts, and the microporous ceramic filter element is fixedly installed on the bottom surface of the tank cover by a positioning mechanism, and the positioning mechanism is composed of a plurality of groups of circularly distributed positioning rods.

[0011] As a preferred solution of the utility model, a filtering and purification chamber is provided inside the main tank body, a clean water outlet pipe is installed through the center of the bottom of the main tank body, and a supporting frame is fixedly installed around the bottom of the main tank body.

[0012] As a preferred solution of the utility model, a turbidity sensor is embedded in the outer surface of the clean water outlet pipe, and a clean water electric valve is fixedly installed near the bottom end of the clean water outlet pipe.

[0013] Beneficial effect: In view of the problem that the microporous ceramic filter element used in the flocculation filtration and purification process of the prior art becomes clogged after long-term use, and if it is not cleaned in time, it will directly affect the subsequent flocculation filtration and purification effect and efficiency, the utility model can realize the backwashing of the main tank body by setting up a backwashing mechanism, and utilizes a high-pressure air pump to transport high-pressure backwashing gas to the bottom of the microporous ceramic filter element inside the main tank body near the backwashing high-pressure air pipe to backwash it, and the dirt generated by the backwashing will be discharged through the backwashing drain pipe, so that the microporous ceramic filter element can be effectively and timely cleaned, thereby ensuring the flocculation filtration and purification effect and efficiency, thereby solving the problems raised in the above-mentioned background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall three-dimensional external structure diagram of the utility model;

[0015] Figure 2 This is a three-dimensional unfolded structural diagram of the main tank body in the utility model;

[0016] Figure 3 This is a three-dimensional enlarged structural diagram of the microporous ceramic filter element in the utility model;

[0017] Figure 4 This is a three-dimensional enlarged structural diagram of the main tank body in the utility model;

[0018] In the figure: 1. Main tank body; 11. Tank cover; 12. Fixing bolts; 13. Filter purification chamber; 14. Clean water outlet pipe; 141. Turbidity sensor; 142. Clean water electric valve; 15. Support frame; 2. Microporous ceramic filter element; 21. Positioning mechanism; 22. Positioning rod; 3. Automatic liquid inlet mechanism; 31. Water pump; 32. Mixing raw water pipe; 33. Flocculent water inlet pipe; 34. Flocculant addition port; 4. Backwashing mechanism; 41. Backwashing high-pressure air pipe; 42. Backwashing sewage pipe; 43. High-pressure air pump; 44. Backwashing electric valve; 45. Automatic timing controller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant literature, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A circulating flocculation filtration purification device comprises a main tank body 1, a microporous ceramic filter element 2 is embedded and installed inside the main tank body 1, an automatic liquid inlet mechanism 3 is arranged on one side of the outer surface of the main tank body 1 near the top of the microporous ceramic filter element 2, and a backwashing mechanism 4 is arranged on the outer surface of the main tank body 1 near the microporous ceramic filter element 2.

[0025] Specifically, the backwashing mechanism 4 includes a backwashing high-pressure air pipe 41 and a backwashing drain pipe 42 which are installed through the bottom and top of the microporous ceramic filter element 2. The end of the backwashing high-pressure air pipe 41 away from the main tank body 1 is connected to a high-pressure air pump 43. The high-pressure air pump 43 works to transport high-pressure backwashing gas to the bottom of the microporous ceramic filter element 2 inside the main tank body 1 through the backwashing high-pressure air pipe 41 to backwash it, and the dirt generated by the backwashing will be discharged through the backwashing drain pipe 42, so that the microporous ceramic filter element 2 can be effectively and timely cleaned, thereby ensuring the effect and efficiency of flocculation filtration and purification;

[0026] Preferably, a backwashing electric valve 44 is fixedly installed on the backwashing high-pressure air pipe 41 and the backwashing sewage pipe 42, and the outside of the high-pressure air pump 43 is electrically connected to an automatic timing controller 45, and the backwashing electric valve 44 and the automatic timing controller 45 are electrically connected. The automatic timing controller 45 can turn off the water pump 31 and open the backwashing electric valve 44 in a fixed time period to automatically and timedly backwash the main tank body 1, which is efficient, convenient, and easy to manage;

[0027] Preferably, the automatic liquid inlet mechanism 3 includes a water pump 31, a mixing raw water pipe 32, a flocculent water inlet pipe 33 and a flocculant adding port 34, and the water pump 31 and the water source are connected through the mixing raw water pipe 32, and the water pump 31 and the main tank body 1 are connected through the flocculent water inlet pipe 33, and the flocculant adding port 34 is installed on the top of the mixing raw water pipe 32, and the flocculant adding port 34 can be used to add flocculants to the inside of the mixing raw water pipe 32, and under the action of the water pump 31, the flocculants are transported to the inside of the main tank body 1 through the flocculent water inlet pipe 33 near the top surface of the microporous ceramic filter element 2 for filtration and purification;

[0028] Preferably, a tank cover 11 is provided on the top surface of the main tank body 1, and the tank cover 11 and the main tank body 1 are fixedly connected by fixing bolts 12, and the microporous ceramic filter element 2 is fixedly installed on the bottom surface of the tank cover 11 by a positioning mechanism 21, and the positioning mechanism 21 is composed of a plurality of groups of circularly distributed positioning rods 22. The positioning mechanism 21 composed of a plurality of groups of circularly distributed positioning rods 22 can ensure the stability and reliability of the microporous ceramic filter element 2 during filtration, purification and backwashing;

[0029] Preferably, a filtering and purifying chamber 13 is provided inside the main tank body 1, a clean water outlet pipe 14 is installed through the bottom center of the main tank body 1, and a supporting frame 15 is fixedly installed around the bottom of the main tank body 1; a turbidity sensor 141 is embedded and installed on the outer surface of the clean water outlet pipe 14, and a clean water electric valve 142 is fixedly installed near the bottom of the clean water outlet pipe 14. The turbidity sensor 141 can monitor the purified clean water in real time, and the clean water electric valve 142 can be used to automatically shut off the water outlet. If the standard is not met, timely measures can be taken to avoid secondary pollution.

[0030] In summary, the backwashing mechanism 4 provided in the present invention can realize the backwashing of the main tank body 1, so that the microporous ceramic filter element 2 can be effectively and timely cleaned, thereby ensuring the flocculation filtering and purification effect and efficiency.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circulating flocculation filtration purification device, comprising a main tank (1), characterized in that: A microporous ceramic filter element (2) is embedded and installed inside the main tank body (1); an automatic liquid inlet mechanism (3) is arranged on one side of the outer surface of the main tank body (1) near the top of the microporous ceramic filter element (2); a backwashing mechanism (4) is arranged on the outer surface of the main tank body (1) near the microporous ceramic filter element (2); the backwashing mechanism (4) comprises a backwashing high-pressure air pipe (41) and a backwashing sewage pipe (42) which are installed through the bottom and top of the microporous ceramic filter element (2); and a high-pressure air pump (43) is connected to the end of the backwashing high-pressure air pipe (41) away from the main tank body (1).

2. A circulating flocculation filtration purification device according to claim 1, characterized in that: The backwashing high-pressure air pipe (41) and the backwashing sewage pipe (42) are both fixedly mounted with a backwashing electric valve (44); the outside of the high-pressure air pump (43) is electrically connected to an automatic timing controller (45); and the backwashing electric valve (44) and the automatic timing controller (45) are electrically connected.

3. A circulating flocculation filtration purification device according to claim 1, characterized in that: The automatic liquid inlet mechanism (3) comprises a water pump (31), a mixing raw water pipe (32), a flocculent water inlet pipe (33) and a flocculant addition port (34), and the water pump (31) and the water source are connected through the mixing raw water pipe (32), while the water pump (31) and the main tank body (1) are connected through the flocculent water inlet pipe (33), and the flocculant addition port (34) is installed through the top of the mixing raw water pipe (32).

4. A circulating flocculation filtration purification device according to claim 1, characterized in that: The top surface of the main tank body (1) is provided with a tank cover (11), the tank cover (11) and the main tank body (1) are fixedly connected by fixing bolts (12), and the microporous ceramic filter element (2) is fixedly mounted on the bottom surface of the tank cover (11) by a positioning mechanism (21), and the positioning mechanism (21) is composed of a plurality of groups of positioning rods (22) distributed in a circular shape.

5. A circulating flocculation filtration purification device according to claim 4, characterized in that: A filtering and purification chamber (13) is provided inside the main tank body (1), a clean water outlet pipe (14) is installed through the center of the bottom of the main tank body (1), and a supporting frame (15) is fixedly installed around the bottom of the main tank body (1).

6. A circulating flocculation filtration purification device according to claim 5, characterized in that: A turbidity sensor (141) is embedded in the outer surface of the clean water outlet pipe (14), and a clean water electric valve (142) is fixedly installed near the bottom end of the clean water outlet pipe (14).

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