Quick-release anti-blocking filter head suitable for denitrification filter tank

Abstract

The utility model discloses a quick-release anti-blocking filter head suitable for a denitrification filter tank, which comprises a filter element and a pre-embedded sleeve, and the filter element is detachably arranged in the pre-embedded sleeve; the filter element comprises a flow guide head and baffles, the flow guide head is arranged at the bottom of the filter element, the baffles define a conical shape in the axial direction of the filter element, and a water passing gap is reserved between every two baffles; outer teeth are arranged on the outer side of the upper portion of the filter element, inner teeth are arranged on the inner side of the embedded sleeve, and the outer teeth of the filter element are matched with the inner teeth of the embedded sleeve. By utilizing a unique structure, the uniformity of water distribution and gas distribution is greatly optimized, the structure is simple, the manufacturing cost of the filter head is greatly reduced, the functional requirements of an up-flow type light filter material denitrification filter tank are completely met in use, and a good filtering effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of uniform water and gas distribution, and particularly belongs to a quick-disassembly anti-blocking filter head applicable to a denitrification filter tank. Background Art

[0002] In recent years, the national sewage discharge standards have been continuously improved, and the scope of application of the first-class A standard has been directly expanded to the vast majority of urban sewage treatment plants. The denitrification filter tank has been widely used in advanced treatment. The water and gas distribution devices in the denitrification filter tank mainly rely on perforated pipes, filter bricks or filter heads. However, since the traditional filter heads are installed by processes such as embedding during use, it causes great difficulties in future maintenance, repair and replacement, and the application is only limited to the traditional heavy filter media denitrification filter tank and is not applicable to the new light filter media denitrification filter tank. Therefore, it has become a top priority to develop a filter head that is suitable for both traditional heavy filter media denitrification filter tanks and new light filter media denitrification filter tanks and is convenient for disassembly and installation. Content of the Utility Model

[0003] The purpose of the utility model is to provide a quick-disassembly anti-blocking filter head applicable to a denitrification filter tank, which can be installed on site, greatly reducing the maintenance period and cost, and having a good effect of uniform water and gas distribution.

[0004] A quick-disassembly anti-blocking filter head applicable to a denitrification filter tank includes a filter element and an embedded sleeve. The filter element is detachably arranged in the embedded sleeve; the filter element includes a diversion head and a baffle. The diversion head is arranged at the bottom of the filter element, and the baffle surrounds a conical shape along the axial direction of the filter element. There is a water passing gap between every two baffles; external threads are arranged on the outer side of the upper part of the filter element, and internal threads are arranged on the inner side of the embedded sleeve. The external threads of the filter element are adapted to the internal threads of the embedded sleeve.

[0005] Preferably, the diversion head is conical.

[0006] Preferably, the baffle is in a triangular prism shape.

[0007] Preferably, the width of the water passing gap is 1-2 mm, and the length is 5-7 mm.

[0008] Preferably, it further includes a reinforcing rib. The reinforcing rib is sleeved on the outer side of the filter element, and a circle of reinforcing rib is arranged every 5-7 mm.

[0009] Preferably, it further includes a clamping sleeve. The clamping sleeve is arranged above the embedded sleeve, and the clamping sleeve is detachably sleeved on the outer side of the embedded sleeve.

[0010] Preferably, internal threads are arranged on the inner side of the clamping sleeve, and external threads are arranged on the outer side of the embedded sleeve. The internal threads are adapted to the external threads.

[0011] Preferably, the anti-clogging filter head is made of ABS plastic, with a total length of 155 - 175 mm and a water passing capacity of 1 - 1.5 t / h.

[0012] The utility model has the following technical effects:

[0013] The quick-disassembly anti-clogging filter head of the utility model has the effects of uniform water distribution and air distribution, meets the functional requirements of various denitrification filter pools, has a good filtering effect, and at the same time, the filter element combined with the embedded sleeve and the clamping sleeve can achieve quick installation and disassembly, greatly reducing the construction period and working difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the quick-disassembly anti-clogging filter head of the utility model applicable to a denitrification filter pool;

[0015] Figure 2 is a top view of the utility model;

[0016] Figure 3 is a schematic structural diagram of the clamping sleeve of the quick-disassembly anti-clogging filter head of the utility model applicable to a denitrification filter pool;

[0017] Figure 4 is a schematic structural diagram of the embedded sleeve of the quick-disassembly anti-clogging filter head of the utility model applicable to a denitrification filter pool.

[0018] In the drawings, 1 - filter element; 2 - clamping sleeve; 3 - embedded sleeve; 4 - reinforcing rib; 5 - water passing gap; 6 - baffle; 7 - diversion head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the purpose, technical solutions and advantages of the utility model more clear and understandable, the following preferred embodiments are cited with reference to the drawings, and the utility model is further described in detail. However, it should be noted that many details listed in the specification are only for enabling the reader to have a thorough understanding of one or more aspects of the utility model, and these aspects of the utility model can be realized even without these specific details.

[0020] Embodiment 1

[0021] As Figure 1 and Figure 2A quick-disassembly anti-blocking filter head applicable to a denitrification filter tank is shown, which includes a filter element 1 and an embedded sleeve 3. The filter element 1 is detachably arranged in the embedded sleeve 3. The embedded sleeve 3 is applicable to a filter plate made of reinforced concrete. During use, the embedded sleeve 3 is placed inside the reinforced concrete filter plate. The filter element 1 includes a diversion head 7 and a baffle 6. The diversion head 7 is arranged at the bottom of the filter element 1. The baffle 6 is in the shape of a triangular prism, greatly enhancing the compressive resistance of the filter head itself, avoiding damage caused by excessive pressure during use, ensuring the compressive resistance of the overall structure of the filter head, and extending the service life. A water passing gap 5 is left between every two baffles 6; the outer side of the upper part of the filter element 1 is provided with external threads, as Figure 3 shown, the inner side of the embedded sleeve 3 is provided with internal threads, and the external threads of the filter element 1 are adapted to the internal threads of the embedded sleeve 3, so that quick disassembly and installation can be achieved during use; the diversion head 7 is conical, which can make the water flow through the filter head evenly, avoiding problems such as short circuit; the width of the water passing gap 5 is 1-2 mm, and the length is 5-7 mm, ensuring the water passing capacity of the filter head while blocking the filter material to prevent the problem of material running; the overall design of the filter element 1 is in the shape of a pagoda, and the overall length is 155-175 mm. The tip is the diversion head 7. When the water flow passes through the diversion head 7, a uniform water flow state will be formed, ensuring the uniformity of water distribution of the filter head; it also includes a reinforcing rib 4. The reinforcing rib 4 is sleeved outside the filter element 1, and a circle of reinforcing rib 4 is arranged every 5-7 mm. The compressive resistance of the overall structure of the filter head is effectively ensured by the reinforcing rib 4, so that the compressive resistance of the filter head is greatly improved during use, avoiding damage. The anti-blocking filter head is made of ABS plastic material, with a total length of 155-175 mm and a water passing capacity of 1-1.5 t / h.

[0022] The specific construction and installation process of this embodiment is as follows:

[0023] When using a reinforced concrete filter plate, the embedded sleeve 3 is placed in the reinforced concrete filter plate in advance. Since the filter element 1 is designed with external threads and the embedded sleeve 3 is designed with internal threads, after the filter plate is installed, the filter element 1 only needs to be screwed into the embedded sleeve 3, and it can be screwed out during disassembly.

[0024] Embodiment 2

[0025] As Figure 1 and Figure 2A quick-disassembly anti-clogging filter head applicable to a denitrification filter tank is shown, which includes a filter element 1, an embedded sleeve 3 and a clamping sleeve 2. The filter element 1 is detachably arranged in the embedded sleeve 3, and the clamping sleeve 2 is arranged above the embedded sleeve 3. The clamping sleeve 2 is detachably sleeved on the outside of the embedded sleeve 3. This embodiment is applicable to filter plates made of carbon steel or stainless steel. The filter element 1 includes a diversion head 7 and a baffle 6. The diversion head 7 is arranged at the bottom of the filter element 1. The baffle 6 is in a triangular prism shape, greatly enhancing the compressive capacity of the filter head itself, avoiding damage caused by excessive pressure during use, ensuring the compressive resistance of the overall structure of the filter head, and extending the service life. There is a water passing gap 5 between every two baffles 6; the outside of the upper part of the filter element 1 is provided with external threads, the inside of the embedded sleeve 3 is provided with internal threads, and the outside of the embedded sleeve 3 is provided with external threads; the external threads of the filter element 1 are adapted to the internal threads of the embedded sleeve 3; as Figure 4 shown, the inside of the clamping sleeve 2 is provided with internal threads, and the internal threads are adapted to the external threads of the embedded sleeve 3, so that quick disassembly and installation can be realized during use; the diversion head 7 is conical, which can make the water flow through the filter head evenly, avoiding problems such as short circuit; the width of the water passing gap 5 is 1-2 mm, and the length is 5-7 mm, ensuring the water passing capacity of the filter head and at the same time preventing the filter material from running away; the overall design of the filter element 1 is in a pagoda shape, and the overall length is 155-175 mm. The tip is the diversion head 7. When the water flow passes through the diversion head 7, a uniform water flow state will be formed, ensuring the uniformity of water distribution of the filter head; it also includes a reinforcing rib 4. The reinforcing rib 4 is sleeved on the outside of the filter element 1, and a circle of reinforcing rib 4 is arranged every 5-7 mm. The compressive resistance of the overall structure of the filter head is strongly ensured by the reinforcing rib 4, greatly improving the compressive resistance of the filter head during use and avoiding damage. The anti-clogging filter head is made of ABS plastic, with a total length of 155-175 mm and a water passing capacity of 1-1.5 t / h.

[0026] The specific construction and installation process of this embodiment is as follows:

[0027] When using a filter plate made of carbon steel or stainless steel, the clamping sleeve 2 and the embedded sleeve 3 need to be fixed on the filter plate first. The outside of the upper part of the filter element 1 is provided with external threads, the inside of the embedded sleeve 3 is provided with internal threads, the outside of the embedded sleeve 3 is provided with external threads, and the inside of the clamping sleeve 2 is provided with internal threads, so that quick disassembly and installation can be realized during use; finally, the filter element 1 is screwed into the embedded sleeve 3.

[0028] The utility model greatly optimizes the uniformity of water distribution and air distribution by using a unique configuration, has a simple structure, greatly reduces the manufacturing cost of the filter head, fully meets the functional requirements of the up-flow light filter material denitrification filter tank during use, and achieves a good filtering effect.

[0029] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A quick-release anti-blocking filter head suitable for a denitrification filter tank, characterized in that: It comprises a filter element and an embedded sleeve, wherein the filter element is detachably arranged in the embedded sleeve; the filter element comprises a guide head and a baffle, wherein the guide head is arranged at the bottom of the filter element, and the baffle forms a cone along the axial direction of the filter element, and a water gap is left between every two baffles; an outer side of the upper part of the filter element is provided with an outer tooth, and an inner side of the embedded sleeve is provided with an inner tooth, and the outer tooth of the filter element is matched with the inner tooth of the embedded sleeve.

2. The quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to claim 1, characterized in that: The guide head is conical.

3. The quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to claim 1, characterized in that: The baffle is in the shape of a triangular prism.

4. The quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to claim 1, characterized in that: The water gap has a width of 1-2 mm and a length of 5-7 mm.

5. The quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to claim 1, characterized in that: It also includes reinforcing ribs, which are sleeved on the outside of the filter element, with a circle of reinforcing ribs set every 5-7 mm.

6. The quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to claim 1, characterized in that: It also includes a pair of clamping sleeves, which are arranged above the embedded sleeve and are detachably sleeved on the outer side of the embedded sleeve.

7. The quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to claim 6, characterized in that: The inner side of the clamping sleeve is provided with an internal thread, and the outer side of the embedded sleeve is provided with an external thread, and the internal thread is adapted to the external thread.

8. A quick-detachable anti-clogging filter head suitable for a denitrification filter tank according to any one of claims 1 to 7, characterized in that: The anti-clogging filter head is made of ABS plastic material, has a total length of 155-175mm, and a water flow rate of 1-1.5t / h.

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