CN210332030U - Filter screen cleaning and replacing equipment for flue gas pipeline - Google Patents
Filter screen cleaning and replacing equipment for flue gas pipeline Download PDFInfo
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- CN210332030U CN210332030U CN201822246147.5U CN201822246147U CN210332030U CN 210332030 U CN210332030 U CN 210332030U CN 201822246147 U CN201822246147 U CN 201822246147U CN 210332030 U CN210332030 U CN 210332030U
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Abstract
The utility model relates to a filter screen washs replacement equipment for flue gas pipeline, its continuous transportation through two filter screens of alternate use reach flue gas in the equipment to the mode that uses two-sided washing net reaches comprehensive washing to the filter screen, include: a flue gas duct for conveying flue gas; the filter screen box is arranged in the flue gas pipeline and is used for filtering flue gas; the net washing box is arranged outside the filter net box, is connected with the outer wall of the flue gas pipeline and is used for cleaning a filter net in the filter net box. The utility model adopts two filter screens to be used alternately in the equipment, so that the equipment can be replaced in time when one filter screen is blocked; simultaneously, still be equipped with in the equipment and wash the net case, wash the net case and can wash the filter screen under the replacement comprehensively to it is reserve after the washing is accomplished, through the circulation replacement and the washing to the filter screen, so that equipment can use for a long time.
Description
Technical Field
The utility model relates to a filter screen washs technical field, especially relates to a filter screen washs replacement equipment for flue gas pipeline.
Background
The traditional cleaning method for the dust removal and decontamination net has the advantages of low efficiency, high energy consumption, difficulty in cleaning at one time, filter screen blockage, influence on normal operation of equipment, equipment failure and difficulty in solving the problems.
The tradition is washed the net and is adopted fixed nozzle to wash, because, the rigidity, the cleaning performance can not reach the requirement, and the big ground of water washs totally (the net that is close to the nozzle), and the little local washing of water is not totally (the net far away from the nozzle), so, in order to reach satisfied cleaning performance, need increase scavenging pump operating time to waste a large amount of electricity, increaseed the running cost
Chinese patent publication No.: CN108397840A discloses abluent air purifier of intelligence belongs to air purifier and washs the field. The air purifier comprises an air purifier body, a flue gas sensor, an air purifier switch, a laser particle counter, a preposed filter screen, a spray pipe, an infrared dryer, an activated carbon filter screen, a humidity sensor, a water storage tank, a belt, a cathode metal rod, a hairbrush roller, a round pipe dust collecting plate and the like; an air inlet is arranged on one side of the air purifier body, a flue gas sensor is arranged on the air inlet, and a controller is arranged at the air outlet; the air purifier body is internally provided with a front filter screen, the front filter screen is provided with a laser particle counter, and the active carbon filter screen is provided with an infrared dryer; the flue gas sensor, the air purifier switch, the laser particle counter, the motor, the spray pipe switch, the humidity sensor and the infrared dryer switch are respectively connected with the controller. It can be seen that the air purifier has the following problems:
first, although the clarifier can detect that the filter screen appears blockking up, can't carry out self-cleaning to the filter screen, the availability factor is low.
Second, the purifier requires manual replacement when replacing the filter screen, which consumes time and effort.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a filter screen washs replacement equipment for flue gas pipeline for can't carry out self-cleaning and the problem of replacement to the filter screen among the overcome prior art.
In order to achieve the above object, the utility model provides a filter screen washs replacement equipment for flue gas pipeline, include:
a flue gas duct for conveying flue gas;
the filter screen box is arranged in the flue gas pipeline and is used for filtering flue gas;
the net washing box is arranged outside the filter net box, is connected with the outer wall of the flue gas pipeline and is used for cleaning a filter net in the filter net box.
Further, the flue gas pipeline is two sections of pipelines, and it sets up respectively the both sides of filter box with a net includes:
a flue gas inlet for feeding flue gas into the apparatus;
and the smoke outlet is used for outputting the filtered smoke.
Furthermore, an inlet air pressure meter for detecting the air pressure of the flue gas is arranged in the flue gas inlet, and an outlet air pressure meter for detecting the air pressure of the filtered flue gas is arranged in the flue gas outlet.
Further, the filter cage comprises:
the first filter screen is arranged on one side of the inside of the smoke pipeline and used for filtering smoke in the smoke pipeline;
and a second filter screen placed alongside the first filter screen for replacing the first filter screen when it is clogged.
And furthermore, a first lead screw is arranged on the first filter screen, and a second lead screw is arranged on the second filter screen and used for respectively adjusting the heights of the first filter screen and the second filter screen.
Further, the tops of the first lead screw and the second lead screw are respectively provided with a lead screw lifting machine.
Further, the net washing box comprises:
the water pumps are respectively arranged on two sides of the inner wall of the box body and used for outputting water at high pressure and cleaning the filter screen;
the water outlet is arranged at the bottom of the box body and used for discharging water for cleaning the filter screen out of the net washing box.
Furthermore, at least three sections of cambered surfaces are arranged on the inner wall of each water pump, and each cambered surface comprises an ab section, a bc section and a cd section.
Further, the water pressure output by the water pump is larger than the air pressure of the flue gas in the flue gas pipeline, so that the water output by the water pump is prevented from flowing into the flue gas pipeline.
Further, the water pump can automatically select the cleaning time according to the concentration of harmful substances in the smoke.
Compared with the prior art, the utility model has the advantages that two filter screens are used alternately in the equipment, so that the equipment can be replaced in time when one filter screen is blocked; simultaneously, still be equipped with in the equipment and wash the net case, wash the net case and can wash the filter screen under the replacement comprehensively to it is reserve after the washing is accomplished, through the circulation replacement and the washing to the filter screen, so that equipment can use for a long time.
Particularly, the flue gas pipeline is divided into two sections of pipelines, namely a flue gas inlet and a flue gas outlet, so that the filter net box can arrange a filter screen in the flue gas pipeline and filter the flue gas.
Especially, be equipped with import barometer and export barometer respectively in gas inlet and the exhanst gas outlet, like this, equipment can real-time detection flue gas filter the front and back pressure differential to judge whether the filter screen blocks up according to pressure differential, thereby replace and wash the filter screen, improved the work efficiency of equipment.
Further, be equipped with the lead screw on the filter screen, can adjust the vertical position of filter screen through the lead screw rotation to accomplish the high efficiency's of filter screen replacement.
Particularly, the lead screw hoister is arranged on the lead screw, so that the lead screw hoister can prevent the equipment from water leakage and prevent the lead screw from being polluted when the equipment runs, and the service life of the lead screw is prolonged.
Further, be equipped with two at least water pumps in the net cage of washing, through setting up it in box inner wall both sides to carry out two-sided washing to the filter screen, improved the net efficiency of washing of net cage of washing.
Especially, the water pump can carry out the omnidirectional to the filter screen through with the lead screw cooperation, and the filter screen corner that the fixed point washing leads to can not appear washs incompletely, has further improved wash net box wash net efficiency.
Furthermore, the inner wall of the water pump is provided with at least three arc surfaces, and the length and the angle of each arc surface are different, so that when the water pump outputs water, the water can be accumulated and output, and the cleaning efficiency of the water pump is improved.
Particularly, the ab section cambered surface adopts a convex approximate arc shape, so that the output position deviation caused by the shake caused by the influence of water flow can be avoided.
Particularly, the arc surface of the bc section is in a shape of a sunken approximate arc, and the bc section is located at a position where water flow conveying is concentrated, so that the accumulated water can be effectively concentrated and output by adopting the sunken arc, and the cleaning efficiency of the water pump is improved.
Particularly, the cd section cambered surface is in a linear shape, and the cd section is located at a position where water flow scattering is relatively dispersed, so that the water flow can be accumulated and output to form a high-pressure water column more directly by adopting the linear cambered surface.
Further, the water pressure of water pump output is greater than the water pressure in the flue gas pipeline, like this, when wasing the filter screen, the water of water pump output can not be because of pressure is low excessively and is taken by the flue gas among the flue gas pipeline, has improved the operating efficiency of equipment.
Furthermore, the water pump can also automatically select the cleaning time according to the concentration of the conveyed smoke in the smoke pipeline, so that the net washing efficiency of the net washing box is further improved.
Drawings
Figure 1 is the utility model discloses a filter screen washs replacement device's schematic structure diagram for flue gas pipeline.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be further described with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Please refer to fig. 1, which is a schematic structural diagram of a filter screen cleaning and replacing apparatus for a flue gas duct according to the present invention, including a flue gas duct 1, a filter screen box 2 and a screen washing box 3; the net washing box 3 is positioned below the flue gas pipeline 1 and connected with the flue gas pipeline for washing a filter net in the filter net box 2; the upper half of the filter net box 2 is arranged in the flue gas pipeline 1 and used for filtering flue gas in the flue gas pipeline, and the lower half of the filter net box 2 is arranged in the net washing box 3 and used for cleaning a filter net in the filter net box 3.
When the device is operated, the flue gas enters the flue gas pipeline 1 and passes through the filter net box 2 in the conveying process, and the filter net box 2 filters the flue gas and outputs the filtered flue gas. When the filter screen in the filter screen box 2 is blocked, the filter screen box 2 can replace the filter screen, so that the replaced filter screen rises, the blocked filter screen falls to enter the screen washing box 3 for cleaning, and the filter screen is used for standby after cleaning. As can be understood by the technical personnel in the field, the equipment of the utility model not only can be used for filtering the flue gas in the chemical equipment, but also can be used for filtering the gas containing impurities in other places, as long as the requirement is met, the equipment can reach the designated working state.
Please continue to refer to fig. 1, the flue gas pipeline 1 is two sections of pipelines sequentially placed, including a flue gas inlet 11 and a flue gas outlet 12, wherein the flue gas inlet 11 is disposed at the left end of the filter screen box 2 for conveying flue gas to the filter screen box 2 for filtering, and the flue gas outlet 12 is disposed at the right end of the filter screen box 2 for outputting the filtered flue gas. When the flue gas enters the equipment, the flue gas enters the flue gas inlet 11 and passes through the filter screen box 2, and after being filtered by the filter screen box 2, the flue gas enters the flue gas outlet 12, and the flue gas outlet 12 outputs the flue gas. It is understood that the cross-sectional shapes of the flue gas inlet 11 and the flue gas outlet 12 can be circular, square or other shapes as long as the flue gas inlet 11 and the flue gas outlet 12 can stably convey flue gas. Of course, the material of the flue gas inlet 11 and the flue gas outlet 12 is not particularly limited in this embodiment, as long as the flue gas inlet 11 and the flue gas outlet 12 are not corroded by the flue gas during the flue gas conveying process.
Specifically, an inlet air pressure meter is arranged in the smoke inlet 11, an outlet air pressure meter is arranged in the smoke outlet 12, and the inlet air pressure meter and the outlet air pressure meter are used for respectively measuring the air pressure of smoke before and after filtering and judging whether the filter screen is blocked or not through pressure difference. When the flue gas flows through flue gas pipeline 1, inlet pressure table and export manometer can carry out real-time detection to the atmospheric pressure before and after the flue gas filters to calculate the testing result and obtain the pressure differential, when inlet pressure is less than export pressure 20%, judge in the equipment filter screen takes place to block up in the filter box 2, filter box 2 begins to change and wash the filter screen. It is understood that the kind of the inlet pressure gauge and the outlet pressure gauge is not particularly limited in this embodiment, as long as the inlet pressure gauge and the outlet pressure gauge can accurately measure the pressure of the flue gas when the flue gas flows.
As shown in fig. 1, the filter net cage 2 of the present invention is a box body without outer walls on the left and right, the upper half of the box body is disposed inside the flue gas pipeline 1 and connected thereto for filtering flue gas in the flue gas pipeline 1, and the lower half of the box body is disposed inside the net washing cage 3 and connected thereto for cleaning the filter net inside the box body 3, including the filter net 21 and the lead screw 22; the filter screen 21 is arranged inside the filter net box 2 and used for filtering smoke; the screw rod 22 is arranged above the filter screen 21 and used for adjusting the position of the filter screen 21 in the vertical direction. When equipment operation, filter screen 21 is located the top, and right flue gas in the flue gas pipeline 1 filters, and when filter screen 21 blockked up, lead screw 22 can begin to operate to make filter screen 21 descend to the below, wash net case 3 and can wash the filter screen 21 of jam.
Specifically, the filter screen 21 includes a first filter screen 211 and a second filter screen 212, which are disposed side by side for filtering the smoke in turn. When equipment operation, first filter screen 211 is located the box upper portion and filters the flue gas, and second filter screen 212 is spare under the box, and when first filter screen 211 blockked up, lead screw 22 can control second filter screen 212 and rise and continue to filter the flue gas, and first filter screen 211 of simultaneous control descends to the box lower half, wash net case 3 and can wash first filter screen 211.
Specifically, the lead screw 22 includes a first lead screw 221 and a second lead screw 222, wherein the first lead screw 221 is disposed above the first screen 211 to control the lifting of the first screen 211, and the second lead screw 222 is disposed above the second screen 212 to control the lifting of the second screen 212. A screw elevator is arranged above the first screw 221 and the second screw 222 for driving the screw 22 to operate and preventing water leakage in the device.
With reference to fig. 1, the net washing box 3 of the present invention is disposed below the flue gas pipe 1 and connected thereto for washing the filter net 22, including a water pump 31 and a water outlet 32; the water pumps 31 are respectively arranged on two sides of the inner wall of the box body and used for cleaning the filter screen 22; the water outlet 32 is arranged at the bottom of the box body and used for discharging cleaned water. When the filter screen 21 is blocked, the screw rod 22 can make the filter screen descend, in the descending process, the water pump 31 starts to spray water and clean the filter screen 21, and along with the continuous descending of the filter screen 21, the water pump 31 completes the comprehensive cleaning of the filter screen from bottom to top. It can be understood that the connection mode of the net washing box 3 and the flue gas pipeline 1 can be welding, mechanical connection, integral connection or other types of connection modes, as long as the net washing box 3 can be stably connected with the flue gas pipeline 1.
Specifically, the water pump 31 is at least two high-pressure pumps respectively arranged on two sides of the inner wall of the box body, and is used for cleaning the two sides of the filter screen 21. When the filter screen 21 is cleaned, the water pump 31 sprays high-pressure water columns to the filter screen 21 respectively from the left direction and the right direction, so that the filter screen 21 is cleaned on two sides. It is understood that the number of the water pumps 31 may be 2, 4, 6 or other two, as long as the water pumps 31 can perform double-sided cleaning on the filter screen 21.
The water pump comprises a water pump body, wherein at least three sections of cambered surfaces are arranged on the inner wall of the water pump body, and each section of cambered surface comprises an ab section, a bc section and a cd section, and the determining method of the shape of the cambered surface of each section comprises the following steps:
step 1: determining the section curve shape of the ab-section cambered surface by the formula (1):
wherein L is1Is the arc length of the ab-section cambered surface, r is the inner diameter of the water pump, theta1Is the included angle of ab section cambered surface and rivers direction, just:
wherein rho is in the water pumpThe actual density of the water, which can be measured by means of an ultrasonic detector, p0Is the standard density of water, theta0For a predetermined angle theta of the pump0＝45°；
Step 2: the section curve shape of the bc section arc surface is determined by the formula (3):
wherein L is2Is the arc length of the arc surface of the bc section, D is the length of the water pump, theta2Is the included angle between the bc section cambered surface and the water flow direction, and:
wherein rho is the actual density of water in the pipeline, rho0Is the standard density of water;
and step 3: the section curve shape of the cd section cambered surface is determined by the formula (5):
wherein L is3Arc length of cd section, theta3Is an included angle between the cd section cambered surface and the water flow direction, and is as follows:
so far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a filter screen washs replacement equipment for flue gas pipeline which characterized in that reaches the continuous transportation of flue gas in the equipment through two filter screens of alternate use to the mode that uses two-sided washing net reaches comprehensive washing to the filter screen, includes:
a flue gas duct for conveying flue gas;
the filter screen box is arranged in the flue gas pipeline and is used for filtering flue gas;
the net washing box is arranged outside the filter net box, is connected with the outer wall of the flue gas pipeline and is used for cleaning a filter net in the filter net box.
2. The filter screen cleaning and replacing device for a flue gas duct according to claim 1, wherein the flue gas duct is two sections of ducts respectively disposed at both sides of the filter mesh cage, comprising:
a flue gas inlet for feeding flue gas into the apparatus;
and the smoke outlet is used for outputting the filtered smoke.
3. The filter screen cleaning and replacing device for the flue gas pipeline as recited in claim 2, wherein an inlet barometer for detecting the flue gas pressure is arranged in the flue gas inlet, and an outlet barometer for detecting the filtered flue gas pressure is arranged in the flue gas outlet.
4. The filter screen washing replacement device for a flue gas duct according to claim 1, wherein the filter screen cage comprises:
the first filter screen is arranged on one side of the inside of the smoke pipeline and used for filtering smoke in the smoke pipeline;
and a second filter screen placed alongside the first filter screen for replacing the first filter screen when it is clogged.
5. The filter screen cleaning and replacing device for the smoke pipeline as claimed in claim 4, wherein a first lead screw is arranged on the first filter screen, and a second lead screw is arranged on the second filter screen, so as to adjust the heights of the first filter screen and the second filter screen respectively.
6. The filter screen cleaning and replacing device for the flue gas pipeline as recited in claim 5, wherein a screw elevator is arranged on the top of each of the first screw and the second screw.
7. The screen washing replacement apparatus for a flue gas duct according to claim 1, wherein the screen washing box comprises:
the water pumps are respectively arranged on two sides of the inner wall of the box body and used for outputting water at high pressure and cleaning the filter screen;
the water outlet is arranged at the bottom of the box body and used for discharging water for cleaning the filter screen out of the net washing box.
8. The filter screen cleaning and replacing device for the flue gas pipeline as recited in claim 7, wherein at least three sections of cambered surfaces are arranged on the inner wall of each water pump, and each cambered surface comprises an ab section, a bc section and a cd section.
9. The filter screen cleaning and replacing device for the smoke pipeline as recited in claim 7, wherein the water pressure output by the water pump is greater than the air pressure of the smoke in the smoke pipeline to prevent the water output by the water pump from flowing into the smoke pipeline.
10. The filter screen cleaning and replacing device for flue gas ducts according to claim 9, wherein the water pump automatically selects the cleaning time according to the concentration of harmful substances in the flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246147.5U CN210332030U (en) | 2018-12-28 | 2018-12-28 | Filter screen cleaning and replacing equipment for flue gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246147.5U CN210332030U (en) | 2018-12-28 | 2018-12-28 | Filter screen cleaning and replacing equipment for flue gas pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN210332030U true CN210332030U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822246147.5U Active CN210332030U (en) | 2018-12-28 | 2018-12-28 | Filter screen cleaning and replacing equipment for flue gas pipeline |
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| CN (1) | CN210332030U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464864A (en) * | 2018-12-28 | 2019-03-15 | 启明星宇节能科技股份有限公司 | Filter gauze cleaning replacement equipment for flue |
| CN114405173A (en) * | 2022-03-03 | 2022-04-29 | 江苏三仪动物营养科技有限公司 | Safe flue gas purification device and purification method for environment-friendly production of livestock and poultry feed |
| CN115671916A (en) * | 2022-10-27 | 2023-02-03 | 西藏啸万环保科技有限公司 | Dust particle absorbing mechanism for environmental protection |
-
2018
- 2018-12-28 CN CN201822246147.5U patent/CN210332030U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464864A (en) * | 2018-12-28 | 2019-03-15 | 启明星宇节能科技股份有限公司 | Filter gauze cleaning replacement equipment for flue |
| CN114405173A (en) * | 2022-03-03 | 2022-04-29 | 江苏三仪动物营养科技有限公司 | Safe flue gas purification device and purification method for environment-friendly production of livestock and poultry feed |
| CN115671916A (en) * | 2022-10-27 | 2023-02-03 | 西藏啸万环保科技有限公司 | Dust particle absorbing mechanism for environmental protection |
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