CN219709346U - Filter assembly and filtration equipment of silt form material - Google Patents

Abstract

The utility model discloses a filtering component and filtering equipment for a silt-shaped material, wherein the filtering component comprises a feed inlet, a discharge outlet, a filtering part, a conveying shaft and a spiral blade, the material moves from the feed inlet to the filtering part along the conveying shaft, and the pitch of the spiral blade decreases progressively along the moving direction of the material. The filter device comprises the filter assembly and a shell. According to the filter assembly and the filter equipment provided by the embodiment of the utility model, the conveying shaft drives the helical blade to finish material conveying, and simultaneously, the silt-shaped waste can be stirred, so that the viscosity and the residue of the silt-shaped waste are prevented, meanwhile, the variable pitch design can realize the extrusion of the material at the filter part, the filter efficiency is improved, the blockage of the filter part is prevented, and the efficiency is improved.

Description

Filter assembly and filtration equipment of silt form material

Technical Field

The utility model relates to the technical field of filtering of viscous materials, in particular to a filtering component and filtering equipment for a silt-shaped material.

Background

With the rapid development of electronic, information and electric appliance industries, a large amount of nonferrous metal waste is generated, and a large amount of nonferrous metal waste is in a sludge shape and has higher viscosity, thus belonging to a special fluid. For example, the widely used metallic tin, which produces tin sludge in production, is a typical sludge-like waste.

Nonferrous metal scrap generally requires multiple process flows for further processing: on one hand, environmental protection treatment is needed to meet emission standards; on the other hand, the valuable components present in the waste material need to be recovered for reuse. For example, tin sludge is a dangerous waste material, has certain toxicity and corrosiveness and must be subjected to environmental protection treatment; on the other hand, the tin mud contains tin element, and the metal tin is used as rare metal, so that the tin mud has high economic value for recycling; therefore, a plurality of processes such as a granulating process, a drying process and the like are performed on the tin sludge. However, the existing nonferrous metal production waste contains a lot of impurities, such as electrochemical sediment, nuts and other metal and nonmetal impurities, and the impurities can wear equipment in the subsequent process and even cause damage such as circuit faults, thereby greatly reducing the production efficiency and improving the maintenance cost. Therefore, the impurities must be removed by screening prior to environmental treatment or recovery steps.

In order to solve the problems, aiming at the impurity removal of the sludge nonferrous metal waste, a sedimentation mode is adopted in the market at present, the speed is low, and the efficiency is very low; the filter device for the common materials is adopted, so that the materials enter from the feed inlet and pass through the filter screen and are discharged from the discharge outlet, the function is single, the pertinence is poor, and the sludge waste is easy to cause viscosity and blockage near the filter screen; moisture can ooze in the filtering process, so that hardening can be caused when the water content is low, the cleaning and maintenance intensity is high, the cost is high, continuous production cannot be realized, and the production efficiency of the whole process is influenced.

Disclosure of Invention

According to the embodiment of the utility model, in order to solve the defects in the prior art, the filter assembly for the sludge-like material comprises a feed inlet, a discharge outlet, a filter part, a conveying shaft, a spiral blade and a material moving along the conveying shaft from the feed inlet to the filter part, wherein the feed inlet and the discharge outlet are arranged on two sides of the filter part, the spiral blade is sleeved on the conveying shaft, and the pitch of the spiral blade is gradually decreased along the moving direction of the material.

Preferably, the spiral vane is not in contact with the filter portion.

Preferably, pneumatic vibration hoses are respectively arranged on two sides of the filtering part.

Preferably, the filter part is a filter plate having a plurality of filter holes.

Preferably, the filter plate is provided with a handle.

According to still another embodiment of the present utility model, there is provided a filtering apparatus for a sludge-like material, including the filtering assembly of the above embodiment, further including a housing, the filtering assembly being located in the housing, the filtering portion dividing the housing into an extrusion bin and a discharge bin, and the feed inlet and the discharge outlet being respectively provided on the extrusion bin and the discharge bin.

Preferably, the feed inlet cross-sectional area is smaller than the cross-sectional area of the filter section.

Preferably, the feed inlet sets up at the pressure feed bin top, and the discharge gate sets up in the discharge bin bottom.

Preferably, the feeding bin is provided with a pressure measuring device close to the filtering part.

Preferably, the pressure measuring device is a pair of symmetrically arranged strain gage pressure measuring heads.

Preferably, the housing is airtight.

According to the filter assembly provided by the embodiment of the utility model, the conveying shaft drives the helical blades to finish material conveying, and simultaneously, the sludge-shaped waste can be stirred, so that the sludge-shaped waste is prevented from being viscous and residual, meanwhile, the variable-pitch design is adopted, the material can be extruded at the filtering part, the filtering efficiency is improved, and external additional pressurization is not needed. The filter assembly can be directly placed into a material conveying system for use, for example, impurities are filtered in a material conveying pipeline, so that the filtering efficiency is improved, and meanwhile, the blocking of a filtering part is prevented.

According to a further embodiment of the filter device of the present utility model, the filter assembly of the previous embodiment is provided in a housing, which can be used as a separate device. The casing can protect equipment, reduces maintenance cost, can prevent simultaneously that the material from splashing again, reduces the clean degree of difficulty, especially when filtering dangerous waste material, can reduce the injury to surrounding equipment, staff. In addition, the conveying shaft can be continuously operated when the device is not filtered, so that the device is prevented from hardening sludge, the manpower and material resources for maintenance are reduced, and the productivity is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.

Drawings

FIG. 1 is a schematic view of a filter assembly according to a first embodiment of the present utility model;

FIG. 2 is a schematic view showing a structure of a filtering portion of a filtering assembly according to a first embodiment of the present utility model;

fig. 3 is a schematic structural view of a filtering apparatus according to a second embodiment of the present utility model.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.

First, a filter assembly according to a first embodiment of the present utility model will be described with reference to fig. 1 and 2, and is used for filtering viscous materials in industry and agriculture, especially for filtering sludge-like materials, and is widely used in the fields of environmental treatment of waste materials, recycling of materials, etc.

As shown in fig. 1, the filter assembly of the first embodiment of the present utility model has a feed port 1, a discharge port 2, a filter portion 3, a feed shaft 4, and a spiral blade 5.

Specifically, as shown in fig. 1, the feed inlet 1 and the discharge outlet 2 are arranged at two sides of the filtering part 3, the material to be processed enters into one end of the conveying shaft 4 from the feed inlet 1, the spiral blade 5 is sleeved on the conveying shaft 4, the conveying shaft 4 is driven to rotate externally, the spiral blade 5 is driven to realize the function of a spiral conveyor, and the material is enabled to move from the feed inlet 1 to the filtering part 3. Adopt screw conveying, when accomplishing the material and carry, can also stir silt form waste material, prevent silt form waste material viscous, remain, improve filtration efficiency. In particular, the pitch of the helical blades 5 decreases in the direction of movement of the material. Under the condition that the rotating speed of the conveying shaft 4 is fixed, the extruded pressure of the materials is larger and larger in the moving process, the materials can be continuously extruded at the filtering part 3, and the filtering efficiency is further improved. Especially when silt form waste material water content is lower, lead to the condition that moisture oozes because of filtering to cause the jam of filter part 3 more easily, there is the hardening phenomenon even, and this embodiment can reduce abluent frequency, reduce maintenance cost, improves production efficiency.

Preferably, as shown in fig. 1, the spiral blade 5 is not in contact with the filtering part 3, and a certain distance is formed between the spiral blade 5 and the filtering part 3, so that a certain space is formed, and storage of materials and sundries is facilitated.

Preferably, the pneumatic vibrating hoses are additionally arranged on two sides of the filtering part 3 respectively, so that the vibration of materials on two sides of the filtering part 3 is enhanced, the feeding and discharging are further assisted, and the filtering efficiency is improved.

Preferably, as shown in fig. 2, the filtering part 3 is a filtering plate 31, a plurality of filtering holes 32 are formed in the filtering plate 31, and the filtering plate 31, the filtering net and other structures are common filtering components, so that the structure is simple, and the cleaning and maintenance cost is low. The filtering holes 32 may take various shapes, such as triangle, ellipse, etc. as equivalent alternatives, and the impurities 33 can be filtered in cooperation with the size of the corresponding impurities 33.

Preferably, the filter plate 31 is provided with a handle, and further, the filter plate 31 and the matched parts can be movably mounted by using a dismounting bolt, so that the dismounting and the mounting are more convenient during cleaning and maintenance.

When in use, as shown in fig. 1, the spiral blade 5 is sleeved on the conveying shaft 4, so that the function of the spiral conveyor is realized, and the sludge-like material is conveyed and simultaneously circularly moves around the conveying shaft 4, so that the stirring prevents the sludge-like waste from being viscous and remained. The helical blades 5 are designed to be of variable pitch, and the pitch is reduced under the condition that the rotational angular speed of the conveying shaft 4 is constant, so that materials among the pitches are unchanged, but the space among the materials is smaller and smaller, and therefore the extrusion pressure among the materials is increased. As the material continues to approach the filter house 3, the pressure increases gradually, reaching a maximum near the filter house 3, thus achieving extrusion of the material without external pressurization. In the continuous conveying process of the follow-up materials, continuous extrusion is realized on the materials at the filtering part 3, and according to the minimum theorem of fluid resistance, the sludge-like materials are enabled to flow towards the direction with small resistance, namely, the sludge-like materials flow to one side of the discharge port 2 through the filtering holes 32 in the filtering part 3, so that continuous filtration and impurity removal are realized, and the filtration efficiency is improved.

In the above, the filter assembly according to the embodiment of the present utility model is described with reference to fig. 1 and 2, and the conveying shaft 4 drives the spiral blade 5 to complete the material conveying, and at the same time, the sludge-like material can be stirred to prevent the viscous and residual materials. The spiral blade 5 adopts a variable pitch design, so that the material is extruded at the filtering part 3, the filtering efficiency is improved, and external additional pressurization is not needed. Can prevent that the silt form material from appearing hardening when the water content is lower, reduce abluent frequency, reduce maintenance cost, improve production efficiency.

The filter assembly of the first embodiment of the present utility model can be used as a minimum sales unit to accommodate a variety of production scenarios. Specifically with the corresponding adjustment of size with the adaptation various needs filtration scene back, directly put into the material conveyor who needs to realize filtering capability with filter module and use, for example put into material conveying pipeline 6 directly, realize high-efficient filtration.

Next, a filtration apparatus according to a second embodiment of the present utility model will be described with reference to fig. 3, which can be used alone to independently accomplish filtration of various kinds of sludge-like industrial and agricultural materials. Especially, for the environmental protection treatment of dangerous waste, recycle and other scenes, special equipment is more required to be used independently, and the special equipment is isolated from the outside, so that the protection can be realized while the filtration is realized. In this example, the filtration of hazardous waste tin sludge is described as an example.

As shown in fig. 3, the filter apparatus comprises the filter assembly of the first embodiment, and further comprises a housing 8.

Specifically, the filter component is located casing 8, and filter unit 3 separates casing 8 into extrusion storehouse 81 and ejection of compact storehouse 82 two parts, and corresponding feed inlet 1 and discharge gate 2 are seted up respectively on casing 8, and feed inlet 1 is located extrusion storehouse 81 one side, and discharge gate 2 is in ejection of compact storehouse 82 one side. In the process of treating dangerous waste tin mud, the filtering equipment of the embodiment can be used independently, the shell 8 can protect the internal filtering component, meanwhile, tin mud can be prevented from splashing, and the damage to surrounding equipment and staff is reduced. The housing 8 may have various shapes and sizes corresponding to the filtering portion 3 according to the production site, process flow, manufacturing cost, etc., so as to filter the impurities 33. Further, an end cover, a lifting lug and the like can be added outside the shell 8, so that the shell is convenient to be matched with other connection processes. In addition, the driver 7 can be continuously operated when the filter is not needed, so that the equipment is prevented from hardening sludge, the manpower and material resources for maintenance are reduced, and the productivity is improved.

Preferably, the cross-sectional area of the feed inlet 1 is smaller than that of the filtering part 3, and further, the cross-sectional area of the discharge outlet 2 is smaller than that of the filtering part 3, during filtering, the viscosity of tin mud is high, the discharge rate after filtering is low, and the slow feeding is controlled to prevent accumulation around the filtering part 3.

Preferably, as shown in fig. 3, the feeding port 1 is formed at the top of the pressing bin 81, the discharging port 2 is formed at the bottom of the discharging bin 82, and all the dead weight of tin mud is utilized, the tin mud directly falls into the screw conveying mechanism during feeding, and the dead weight is utilized during discharging to enter the equipment for the next treatment.

Preferably, the feeding bin 81 is provided with a pressure measuring device close to the filtering part 3; further, the pressure measuring device is a pair of symmetrically arranged strain gauge pressure measuring heads and is used for converting and displaying the internal pressure of the pressure measuring heads, judging the blocking condition of the filtering part 3, finding out problems in time and avoiding equipment shutdown and faults.

Preferably, the housing 8 is hermetically sealed and may be further sealed with gaskets when connected to other mating equipment that interfaces with the process flow. For the HW17 hazardous waste of tin mud and other materials with strong toxicity and corrosiveness, the sealed shell can better protect surrounding equipment and staff.

In a scene of removing impurities and filtering tin mud, the filter plate 31 is a stainless steel disc with the thickness of 10mm and the diameter of 400mm, the filter hole 32 is a round hole with the diameter of 5mm, and the filter plate is matched with a corresponding conveying pipeline and is suitable for a production process. The conveying shaft 4 penetrates through the extrusion bin 81 and the discharge bin 82, the axial length between the minimum pitch position and the filtering part 3 is more than 150mm, the axial distance in the discharge bin 82 is more than 250mm, and the accumulation of viscous substances is effectively prevented.

In the above, a filter device according to a second embodiment of the present utility model is described with reference to fig. 3, and the filter assembly of the first embodiment is provided in the housing 8, which can be used as a separate device. The shell 8 can protect equipment, reduce maintenance cost, can prevent that the material from splashing simultaneously again, reduce the clean degree of difficulty, especially when filtering dangerous material, can reduce the injury to surrounding equipment, staff. In addition, the driver can be continuously operated when the filter is not needed, so that the equipment is prevented from hardening sludge, the manpower and material resources for maintenance are reduced, and the productivity is improved.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.

Claims (11)

1. The utility model provides a filter component of silt form material, contains feed inlet, discharge gate and filter part, the feed inlet with the discharge gate is in filter part both sides, its characterized in that still contains conveying axle and helical blade, helical blade cover is established on the conveying axle, conveying axle with helical blade carries the material from the feed inlet to filter part, helical blade's pitch is followed the material direction of removal and is decreased progressively.

2. The filter assembly of claim 1, wherein the spiral vane is not in contact with the filter portion.

3. The filter assembly of claim 1, wherein pneumatic vibration hoses are provided on each side of the filter section.

4. The filter assembly of claim 1, wherein the filter portion is a filter plate having a plurality of filter openings therein.

5. The filter assembly of claim 4, wherein the filter panel is provided with a handle.

6. A filtration apparatus comprising the filter assembly of any one of claims 1-5, further comprising a housing, the filter assembly being positioned within the housing, the filter separating the housing into an extrusion chamber and a discharge chamber, the feed inlet and the discharge outlet being positioned on the extrusion chamber and the discharge chamber, respectively.

7. The filter apparatus of claim 6, wherein said feed inlet cross-sectional area is smaller than a cross-sectional area of said filter section.

8. The filter apparatus of claim 6, wherein said feed port is disposed at a top portion of said extrusion chamber and said discharge port is disposed at a bottom portion of said discharge chamber.

9. The filter apparatus of claim 6, wherein said extrusion chamber is provided with pressure measuring means adjacent said filter portion.

10. The filter apparatus of claim 9, wherein the pressure measuring device is a symmetrically disposed strain gauge head.

11. The filter apparatus of claim 6, wherein the housing is hermetically sealed.