Dedusting pre-filter

Abstract

The utility model discloses a pre-filter for dust removal. The pre-filter comprises a dust barrel, an upper cover, a filter screen, a lock catch assembly, a sealing ring and universal wheels, the ash barrel is a barrel body with an opening at the upper end and an inner cavity in the middle, and an upper cover covers the opening at the upper end of the ash barrel; the upper cover is fixedly connected with the ash bucket through a plurality of lock catch assemblies. The dust-removing pre-filter disclosed by the utility model is simple and reasonable in structural design and stable and reliable in operation; the upper cover is conveniently connected with the ash barrel, and the joint is excellent in air tightness; meanwhile, connection and limiting are stable, and displacement and shaking are avoided; water can be efficiently filtered, large-particle and large-volume dust, garbage and other objects are isolated, and a spray head of the spraying and dust falling device is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal equipment technical field, especially a dust removal prefilter. BACKGROUND

[0002] At present, a filter is arranged at the front end of many spray dust reduction devices, which is mainly used for filtering water quality to prevent nozzle blockage, and the filter is a very widely used device in industry. The existing spray anti-blocking filter is provided with a plurality of sensors, and has complex design, many fault points and high maintenance cost. Therefore, the dust removal prefilter provided by the present application has low cost, convenient assembly, good air tightness and stable structure. SUMMARY

[0003] The dust removal prefilter has the advantages of simple and reasonable structure design, stable and reliable operation, convenient connection of the upper cover and the ash bucket, excellent air tightness at the connection position, simultaneous connection and stable limiting without displacement and shaking, efficient filtering of water quality, isolation of large particles, large volume dust, garbage and other objects, and prevention of nozzle blockage of the spray dust reduction device.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0005] A dust removal prefilter, comprising an ash bucket, an upper cover, a filter screen, a lock catch assembly, a sealing ring and universal wheels.

[0006] The ash bucket is a bucket body with an open upper end and an inner cavity in the middle, and the open upper end is covered with the upper cover; the upper cover is connected and fixed with the ash bucket through a plurality of lock catch assemblies.

[0007] The ash bucket side wall is connected with a water inlet pipe; one end of the water inlet pipe is communicated with the inner cavity of the ash bucket, and the other end is communicated with a water source (or a water pump). The upper cover top is connected with a water outlet pipe, the bottom end of the water outlet pipe is communicated with the inner cavity two of the upper cover, and the top end is connected with the water inlet pipe of a secondary filter (or a spray dust reduction device).

[0008] The open upper end of the ash bucket is provided with a supporting ring for mounting the sealing ring;

[0009] The bottom of the upper cover is provided with a limiting ring groove for mounting the sealing ring;

[0010] The supporting ring is arranged in the limiting ring groove, and the sealing ring is arranged between the supporting ring and the limiting ring groove.

[0011] The inner wall of the upper cover is further provided with a ring table for mounting the filter screen; the filter screen is circular, and the edge thereof is fixed on the ring table through screws or other fasteners.

[0012] For convenient movement, the bottom of the ash bucket is provided with a plurality of universal wheels.

[0013] In order to facilitate the movement of the ash bucket, a handle is fixed to the outer wall of the ash bucket.

[0014] The lock assembly comprises a lock seat, a pull buckle, a ring buckle and a buckle seat, the lock seat is fixed to the outer edge of the top end of the ash bucket, the buckle seat is fixed to the outer edge of the bottom end of the upper cover, and the lock seat and the pull buckle are oppositely arranged, the pull buckle is hingedly connected with the lock seat, and the ring buckle is hingedly connected with the pull buckle, and the buckle seat is provided with a hook claw, and the ring buckle is buckled with the hook claw.

[0015] The utility model discloses the beneficial effects of:

[0016] Its structure design is simple and reasonable, and stable and reliable in operation.

[0017] The upper cover is convenient to connect with the ash bucket, and the connection is excellent in air tightness; meanwhile, the connection and the limiting are stable, and there is no displacement and shaking.

[0018] The dust removal prefilter can efficiently filter water quality, isolate large particles, large volume dust, garbage and other objects, so as to prevent the nozzle of the spray dust reduction device from being blocked.

[0019] The ash bucket is very convenient to clean, and the impurities filtered can be removed by opening the upper cover and pouring the ash bucket. DRAWINGS

[0020] Figure 1 It is a structural schematic view of the dust removal prefilter of the utility model;

[0021] Figure 2 It is a front view of the dust removal prefilter of the utility model;

[0022] Figure 3 It is Figure 2 It is a sectional view in the direction of E-E.

[0023] Figure 4 It is Figure 3 It is a local enlarged view of A. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model will be further described in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] As Figures 1-4 shown, a dust removal prefilter comprises an ash bucket 1, an upper cover 2, a filter screen 3, a lock assembly 4, a sealing ring 5 and universal wheels 6.

[0026] The ash bucket 1 is a bucket body with an open upper end and an inner cavity 10 in the middle, and an upper cover 2 is arranged on the open upper end; the upper cover 2 is connected and fixed with the ash bucket 1 through a plurality of lock buckle assemblies 4;

[0027] The ash bucket 1 is connected with a water inlet pipe 7; one end of the water inlet pipe 7 is communicated with the inner cavity 10 of the ash bucket 1, and the other end is communicated with a water source (or a water pump). The upper cover 2 is connected with a water outlet pipe 8 at the top, the bottom end of the water outlet pipe 8 is communicated with the inner cavity two 20 of the upper cover 2, and the top end is connected with the water inlet pipe 7 of the secondary filter (or the spray dust setting device).

[0028] The upper end of the ash bucket 1 is provided with a supporting ring 11 for installing a sealing ring 5;

[0029] The bottom of the upper cover 2 is provided with a limiting ring groove 21 for installing the sealing ring 5;

[0030] The supporting ring 11 is arranged in the limiting ring groove 21, and the sealing ring 5 is arranged between the supporting ring 11 and the limiting ring groove 21.

[0031] The inner wall of the upper cover 2 is further provided with a ring table 22 for installing a filter screen 3; the filter screen 3 is circular, and the edge thereof is fixed on the ring table 22 through screws or other fasteners.

[0032] In order to facilitate movement, a plurality of universal wheels 6 are arranged at the bottom of the ash bucket 1;

[0033] In order to facilitate the movement of the ash bucket 1, a handle 12 is fixed on the outer wall of the ash bucket 1;

[0034] The lock buckle assembly 4 comprises a lock seat 41, a buckle 42, a ring buckle 43 and a buckle seat 44; the lock seat 41 is fixed on the top end of the outer edge of the ash bucket 1, the buckle seat 44 is fixed on the bottom end of the outer edge of the upper cover 2, and the lock seat 41 and the lock buckle are oppositely arranged. The buckle 42 is hingedly connected with the lock seat 41, and the ring buckle 43 is hingedly connected with the buckle 42; the buckle seat 44 is provided with a hook, and the ring buckle 43 is buckled with the hook.

[0035] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A dust removal pre-filter, characterized in that: Includes ash bucket, top cover, filter screen, locking assembly, sealing ring, and casters; The ash bucket is a bucket with an opening at the top and an inner cavity in the middle, and a top cover is provided at the opening at the top; the top cover is connected and fixed to the ash bucket by a number of locking components. The side wall of the ash bucket is connected to a water inlet pipe; one end of the water inlet pipe is connected to the inner cavity of the ash bucket, and the other end is connected to a water source or water pump. The top of the cover is connected to a water outlet pipe, the bottom end of which is connected to the inner cavity of the cover, and the top end of which is connected to the water inlet pipe of the spray dust suppression device. The upper opening of the ash bucket is provided with a supporting ring for installing the sealing ring; The bottom of the upper cover is provided with a limiting ring groove for installing the sealing ring; The supporting ring is disposed within the limiting ring groove, and the sealing ring is disposed between the supporting ring and the limiting ring groove; The inner wall of the upper cover is also provided with a ring platform for installing the filter screen; the filter screen is circular, and its edge is fixed to the ring platform by screws.

2. The dust removal pre-filter according to claim 1, characterized in that: The bottom of the ash bucket is equipped with several casters.

3. The dust removal pre-filter according to claim 2, characterized in that: The outer wall of the ash bucket is fixed with a handle.

4. The dust removal pre-filter according to claim 3, characterized in that: The locking assembly includes a locking seat, a lever, a ring, and a buckle seat; the locking seat is fixed to the outer edge of the top of the ash bucket, and the buckle seat is fixed to the outer edge of the bottom of the upper cover, with the locking seat and the locking lever arranged opposite to each other; The buckle is hinged to the lock seat, and the ring buckle is hinged to the buckle; the buckle seat is provided with a hook, and the ring buckle is snapped to the hook.

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