CN215352326U

CN215352326U - Water filtering device in flue gas purification system

Info

Publication number: CN215352326U
Application number: CN202120560861.0U
Authority: CN
Inventors: 肖玉; 杨乐
Original assignee: Zhuzhou Jinya Environmental Protection Technology Co ltd
Current assignee: Zhuzhou Jinlia Environmental Protection Technology Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-12-31
Anticipated expiration: 2031-03-18

Abstract

The utility model relates to a water filtering device in a flue gas purification system, which comprises an upper pipe, a filtering part and a lower pipe, wherein the upper pipe is connected with the lower pipe; the lower pipe is vertically arranged, and a sealing plate is arranged at the bottom of the lower pipe; the filtering part is arranged at the top of the lower pipe; the upper pipe is vertically arranged at the upper part of the filtering part, the upper pipe is coaxial with the lower pipe, and the top of the upper pipe is also provided with a sealing plate; the water inlet and the water outlet are respectively arranged on the upper pipe and the lower pipe; the upper end surface of the annular structure of the filtering part is provided with a micron-sized filter screen; the water filtering device in the flue gas purification system provided by the utility model has the advantages of simple structure and low cost, can be used for filtering micron-sized flue gas particles, and is suitable for filtering wastewater generated by a flue gas dust removal device.

Description

Water filtering device in flue gas purification system

Technical Field

The utility model relates to a water filtering device in a flue gas purification system.

Background

Smoke generated by burning the garbage needs to pass through a smoke dust removal device; in the prior art, a flue gas dust removal device mainly comprises a cloth bag dust removal device and a spray dust removal device; the cloth bag dust removal device absorbs the particles of the flue gas by adopting cloth; the spraying dust removal device enables particles in the flue gas to be taken away by water or purification liquid through water spraying or purification liquid.

Because the particle size of the particulate matters in the flue gas is small, the particulate matters are mostly in the range of 10 microns to 100 microns, so that the used water or the purification liquid is difficult to separate from the particulate matters suspended in the water or the purification liquid; the water or cleaning fluid used in the spray dust collector is generally directly discharged to the sewer without being recycled inside the company, which increases the water cost of the company.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a water filtering device in a flue gas purification system.

The technical scheme provided by the utility model is as follows: a water filtering device in a flue gas purification system comprises an upper pipe, a filtering part and a lower pipe; the lower pipe is vertically arranged, and a sealing plate is arranged at the bottom of the lower pipe; the filtering part is arranged at the top of the lower pipe; the upper pipe is vertically arranged at the upper part of the filtering part, the upper pipe is coaxial with the lower pipe, and the top of the upper pipe is also provided with a sealing plate; the water inlet and the water outlet are respectively arranged on the upper pipe and the lower pipe; the filtering part is of an annular structure, and the upper end face of the filtering part is provided with a micron-sized filter screen.

Preferably, the filter part is directly arranged on the upper end surface of the lower pipe; the upper pipe is directly arranged on the upper end surface of the filtering part; the upper pipe is movable in a vertical direction by a drive mechanism.

Preferably, the driving mechanism is a cylinder; the lateral surface of upper portion pipe is equipped with four horizontally backup pads of circumference evenly distributed, four the top of the ejector pin of cylinder respectively with four backup pad fixed connection.

Preferably, an annular sealing ring is arranged on the contact surface of the filtering part and the upper pipe.

Preferably, the upper end surface and the lower end surface of the filtering part are both provided with annular limiting parts; the limiting part and the filtering part are integrally formed, and the lower end of the upper pipe and the upper end of the lower pipe are inserted into an annular area formed by the limiting part.

Preferably, a metal net for supporting the micron-sized filter screen is arranged in the channel of the filtering part.

Preferably, the metal net is cylindrical, and the micron-sized filter screen is coated on the outer wall or the inner wall of the metal net.

The water filtering device in the flue gas purification system has the following advantages.

(1) Simple structure, low cost can filter the flue gas granule of micron order, is applicable to and filters the waste water that flue gas dust collector produced to can realize the used circulation of the water in the factory, reduce company's water cost.

(2) The filtering part is directly arranged on the upper end surface of the lower pipe; the upper pipe is directly placed on the upper end surface of the filtering part, and the cylinder can directly lift the upper pipe to a certain height; the above design facilitates cleaning of particles deposited in the filtering part by operators.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a front sectional view of a water filtering device in a flue gas purification system provided by the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a front sectional view of another embodiment of a water filtering device in a flue gas cleaning system provided by the present invention.

Description of the drawings: 1-upper pipe, 101-water inlet, 102-support plate, 2-filtering part, 201-channel, 202-micron-sized filter screen, 203-metal mesh, 204-limiting part, 205-filter cartridge, 3-lower pipe, 301-water outlet, 4-cylinder, 5-mounting seat, 6-sealing ring and 7-sealing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a water filtering device in a flue gas purification system includes an upper pipe 1, a filtering part 2, and a lower pipe 3; the lower pipe 3 is vertically arranged, and the bottom of the lower pipe is provided with a sealing plate 7; the filter part 2 is arranged at the top of the lower pipe 3; the upper pipe 1 is vertically arranged at the upper part of the filtering part 2, the upper pipe 1 and the lower pipe 3 are coaxial, and a sealing plate 7 is arranged at the top of the upper pipe 1; the upper pipe 1 is provided with a water inlet 101, and the lower pipe 3 is provided with a water outlet 301;

the working principle of the water filtering device in the flue gas purification system is as follows:

(1) the waste water collected in the flue gas dust removal device enters the upper pipe 1 from the water inlet 101.

(2) The waste water in the upper pipe 1 passes through the filter part 2 and enters the lower pipe 3, and in the process, the waste water is filtered by the filter part 2, and particulate matters in the waste water are blocked by the filter part 2 and are deposited in the filter part 2.

(3) The water in the lower pipe 3 enters the flue gas dust removal device again through the water outlet 101.

Through the steps, the water is recycled.

Preferably, the filter part 2 is annular, and a micron-sized filter screen 202 is arranged on the upper end surface of the filter part.

An annular sealing ring 6 is arranged on the contact surface of the filtering part 2 and the upper pipe 1.

The packing 6 prevents the waste water from overflowing from the contact surface between the filter part 2 and the upper pipe 1.

Since the liquid inlet speed of the lower pipe 3 is lower than the liquid outlet speed, the liquid will not overflow from the contact surface of the filter part 2 and the lower pipe 3, so only the contact surface of the filter part 2 and the upper pipe 1 needs to be provided with the sealing ring 6.

In one embodiment, as shown in fig. 1 and 2, a metal mesh 203 for supporting a micron-sized filter screen 202 is disposed in the channel 201 of the filter part 2.

In another embodiment, as shown in fig. 3, the metal mesh is a barrel-shaped filter cartridge 205, and the upper end of the filter cartridge 205 is connected to the lower end surface of the filter part 2; the micron-sized filter screen 202 is wrapped on the outer wall or the inner wall of the filter cartridge 205, and has a larger filtering area than the first embodiment during filtering, thereby improving the filtering efficiency.

Preferably, the filter part 2 is directly placed on the upper end surface of the lower pipe 3; the upper pipe 3 is directly arranged on the upper end surface of the filter part 2; the upper end surface and the lower end surface of the filtering part 2 are both provided with annular limiting parts 204; the limiting portion 204 and the filter portion 2 are integrally formed.

The lower end of the upper pipe 1 and the upper end of the lower pipe 3 are inserted into the annular region formed by the stopper portion 204.

Preferably, the upper pipe 1 is movable in a vertical direction by a driving mechanism.

Further, the driving mechanism is a cylinder 4; the lateral surface of upper portion pipe 1 is equipped with four horizontally backup pads 201 that circumference evenly distributed, four the top of the ejector pin of cylinder 4 respectively with four backup pad 201 fixed connection.

The upper pipe 1 is driven by the cylinder 4 to ascend, so that an operator can take out the filter part 2 between the upper pipe 1 and the lower pipe 3; the operator takes out the filter part 2 and cleans the waste residue deposited on the micron-sized filter screen 202 of the filter part 2.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A water filtering device in a flue gas purification system is characterized in that the water filtering device in the flue gas purification system comprises an upper pipe, a filtering part and a lower pipe; the lower pipe is vertically arranged, and a sealing plate is arranged at the bottom of the lower pipe; the filtering part is arranged at the top of the lower pipe; the upper pipe is vertically arranged at the upper part of the filtering part, the upper pipe is coaxial with the lower pipe, and the top of the upper pipe is also provided with a sealing plate; the water inlet and the water outlet are respectively arranged on the upper pipe and the lower pipe; the filtering part is of an annular structure, and a micron-sized filter screen is arranged on the upper end face of the filtering part.

2. The water filtering device in a flue gas purification system according to claim 1, wherein the filtering portion is directly placed on the upper end surface of the lower pipe; the upper pipe is directly arranged on the upper end surface of the filtering part; the upper pipe is movable in a vertical direction by a drive mechanism.

3. The water filtering device in a flue gas purification system according to claim 2, wherein the driving mechanism is a cylinder; the lateral surface of upper portion pipe is equipped with four horizontally backup pads of circumference evenly distributed, four the top of the ejector pin of cylinder respectively with four backup pad fixed connection.

4. The water filtering device of claim 3, wherein an annular sealing ring is arranged on the contact surface of the filtering part and the upper pipe.

5. The water filtering device in the flue gas purification system according to claim 4, wherein the upper end surface and the lower end surface of the filtering part are both provided with an annular limiting part; the limiting part and the filtering part are integrally formed, and the lower end of the upper pipe and the upper end of the lower pipe are inserted into an annular area formed by the limiting part.

6. The water filtering device for use in a flue gas purification system according to claim 1, wherein a metal mesh for supporting the micron-sized filter net is provided in the passage of the filtering portion.

7. The water filtering device of claim 6, wherein the metal net is cylindrical, and the micron-sized filter net is coated on the outer wall or the inner wall of the metal net.