CN210251517U

CN210251517U - Water filter for boiler

Info

Publication number: CN210251517U
Application number: CN201921161187.8U
Authority: CN
Inventors: 冯晓文; 欧阳天生
Original assignee: Jiangxi O&t Technology Co ltd
Current assignee: Jiangxi O&t Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-07
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a water filter equipment for boiler belongs to water filter equipment for boiler field, its technical scheme main points are, including the rose box, filtering component and header tank, the top through connection of rose box has inlet tube and surface flushing pipe, the one end that the surface flushing pipe is located rose box inside is provided with horizontal branch pipe, and be provided with three nozzle on the horizontal branch pipe, the bottom through connection of rose box has the outlet pipe, it has back flush pipe to connect outward on the outlet pipe, the side of rose box is provided with the sewer main, install the blowoff valve on the sewer main, still be provided with two spinal branch pipe back flush blow off pipes and surface flushing blow off pipe on the sewer main, back flush blow off pipe is located the top of surface flushing blow off pipe. This kind of water filter equipment for boiler, the filter effect is good to after using for a long time, can in time wash the filter material, in order to ensure that the filter has good filter effect for a long time.

Description

Water filter for boiler

Technical Field

The utility model relates to a boiler water filter equipment field, in particular to boiler water filter equipment.

Background

A large amount of tap water is consumed in the production of steam in a boiler every day, a certain amount of cooling circulating water is generated in the production of the ceramic debonding agent, the water can be completely utilized by the steam produced by the boiler, but the water carries granular impurities such as algae and dust through a heat exchanger and a circulating water tank, and the water can be used in the boiler after being filtered in advance.

The existing water filter device for the boiler generally adopts a quartz sand filter to carry out primary treatment on water for the boiler so as to remove suspended matters, sludge, colloid and the like in cooling circulating water, but the common quartz sand filter has poor filtering effect, and after the water filter device is used for a long time, a filter material is adhered with impurities, so that the filter material is easy to agglomerate, and the filtering effect of the filter is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a boiler water filter equipment, this kind of boiler water filter equipment, the filter effect is good to long-term the back of using, can in time wash the filter material, in order to ensure that the filter has good filter effect for a long time.

The above technical purpose of the present invention can be achieved by the following technical solutions: a water filtering device for a boiler comprises a filter box, a filtering component and a water collecting box, wherein the top of the filter box is connected with a water inlet pipe and a surface flushing pipe in a penetrating manner, one end of the surface flushing pipe, which is positioned in the filter box, is provided with a horizontal branch pipe, three nozzles are arranged on the horizontal branch pipe, the bottom of the filter box is connected with a water outlet pipe in a penetrating manner, a back flushing pipe is externally connected onto the water outlet pipe, the side edge of the filter box is provided with a main sewage discharge pipe, a sewage discharge valve is installed on the main sewage discharge pipe, the main sewage discharge pipe is also provided with two branch pipe back flushing sewage discharge pipes and a surface flushing sewage discharge pipe, the back flushing sewage discharge pipe is positioned above the surface flushing sewage discharge pipe, and the main sewage discharge pipe is connected with the filter; the filter assembly is fixedly arranged inside the filter box and positioned between the backwashing sewage discharge pipe and the surface washing sewage discharge pipe, the filter assembly is divided into a screen, coarse quartz sand and fine quartz sand from top to bottom, and three nozzles connected to the surface washing pipe penetrate through the filter assembly and are inserted into the coarse quartz sand; the water collecting tank is connected with the filter tank through the water outlet pipe, a circulating pipe is connected between the water collecting tank and the filter tank, and the water collecting tank is also connected with a water purifying pipe; the water inlet pipe, the surface flushing pipe, the backwashing pipe and the circulating pipe are all provided with a booster pump and an electromagnetic valve, and the backwashing blow-off pipe, the surface flushing blow-off pipe and the water outlet pipe are also provided with an electromagnetic valve.

Furthermore, the water inlet pipe and the horizontal branch pipes of the surface flushing pipe are distributed in a staggered mode.

Furthermore, the specification of screen cloth is 250 meshes and the material is stainless steel, the particle size of coarse quartz sand with fine quartz sand is 5 millimeters and 2 millimeters respectively.

Further, fixed pore plates are arranged between the screen and the coarse quartz sand and at the bottom of the fine quartz sand, the thickness of each fixed pore plate is 20 millimeters and is made of stainless steel, and the size of each fixed pore plate is consistent with that of the screen.

To sum up, the utility model discloses following beneficial effect has:

this kind of water filter equipment for boiler can carry out a lot of circulating filtration to the cooling circulation water that quality of water is not up to standard after filtering, and the filter effect is good to after using for a long time, in time rinse the filter material through washing the surface and back flush combination together, in order to ensure that the filter has good filter effect for a long time.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional structure view of the filtering box of the present invention.

In the figure: 1. a filter box; 101. a water inlet pipe; 102. a water outlet pipe; 103. a surface flushing pipe; 104. back flushing the sewage discharge pipe; 105. flushing a sewage discharge pipe on the surface; 106. a main sewer; 1061. a blowoff valve; 107. a backwash pipe; 2. a filter assembly; 201. screening a screen; 202. fixing the orifice plate; 203. coarse quartz sand; 204. fine quartz sand; 3. a water collection tank; 301. a circulation pipe; 302. a water purifying pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a water filtering device for a boiler comprises a filter box 1, a filtering component 2 and a water collecting tank 3, wherein the top of the filter box 1 is connected with a water inlet pipe 101 and a surface flushing pipe 103 in a penetrating manner, one end of the surface flushing pipe 103, which is positioned inside the filter box 1, is provided with a horizontal branch pipe, three nozzles are arranged on the horizontal branch pipe, the bottom of the filter box 1 is connected with a water outlet pipe 102 in a penetrating manner, the water outlet pipe 102 is externally connected with a back flushing pipe 107, the side of the filter box 1 is provided with a sewage main pipe 106, the sewage main pipe 106 is provided with a sewage valve 1061, the sewage main pipe 106 is also provided with two branch pipes, namely a back flushing sewage pipe 104 and a surface flushing sewage pipe 105, the back flushing sewage pipe 104 is positioned above the surface flushing sewage pipe 105, and the sewage main pipe; the filtering component 2 is fixedly arranged inside the filtering box 1 and is positioned between the back flushing sewage pipe 104 and the surface flushing sewage pipe 105, the filtering component 2 is divided into a screen 201, coarse quartz sand 203 and fine quartz sand 204 from top to bottom, and three nozzles connected on the surface flushing pipe 103 penetrate through and are inserted into the coarse quartz sand 203; the water collecting tank 3 is connected with the filter tank 1 through a water outlet pipe 102, a circulating pipe 301 is connected between the water collecting tank 3 and the filter tank 1, and a purified water pipe 302 is connected to the water collecting tank 3; the water inlet pipe 101, the surface flushing pipe 103, the backwashing pipe 107 and the circulating pipe 301 are all provided with a booster pump and an electromagnetic valve, and the backwashing sewage pipe 104, the surface flushing sewage pipe 105 and the water outlet pipe 102 are also provided with an electromagnetic valve.

Through above technical scheme, the cooling circulation water that produces when the ceramic debonder is produced need filter earlier before pouring into the boiler: firstly, the electromagnetic valves and the booster pumps on the water inlet pipe 101 and the water outlet pipe 102 are opened, the cooling circulating water is injected into the interior of the filter tank 1 along the water inlet pipe 101, then, under the pressurization effect of the booster pumps, the cooling circulating water permeates from the screen 201, the coarse quartz sand 203 and the fine quartz sand 204 in sequence, and then flows into the water collecting tank 3 along the water outlet pipe 102, the primary filtration of the cooling circulating water is completed, at the moment, the water quality in the water collecting tank 3 is manually detected, when the water quality reaches the boiler use standard, the water is discharged from the water purifying pipe 302 for the steam production of the boiler, when the water quality does not reach the boiler use standard, the electromagnetic valve and the booster pump on the circulating pipe 301 are opened, and the electromagnetic valve on the water inlet pipe 101 is closed, at the moment, the water in the water collecting tank 3 is pumped into the filter tank 1 again for the next round of filtration, the step is circulated continuously until the water quality in, a good filtering effect is realized;

it is further explained that, the utility model provides a filter material refers to coarse quartz sand 203 and the collective of fine quartz sand 204, the utility model discloses after long-time the use, when needing to wash the filter material, carry out the back flush to the filter material earlier: firstly, ensuring that the electromagnetic valves on the water inlet pipe 101, the water outlet pipe 102, the surface flushing pipe 103, the surface flushing sewage discharge pipe 105 and the circulating pipe 301 are in a closed state to avoid unnecessary pollution caused by outflow of sewage generated by backwashing from the pipelines, wherein it is to be noted that the electromagnetic valve on the water outlet pipe 102 can only block the circulation between the water outlet pipe 102 and the water collecting tank 3 and does not influence the circulation between the backwashing pipe 107 and the water outlet pipe 102, firstly, starting the electromagnetic valves and the booster pumps on the backwashing pipe 107 and the backwashing sewage discharge pipe 104, opening the sewage discharge valve 1061, simultaneously introducing clean water into the backwashing pipe 107, then reversely introducing the clean water into the filter tank 1 along the water outlet pipe 102, penetrating through the filter assembly 2 at a high speed to enable the filter material to expand and fluidize, and stripping off impurities trapped in the filter assembly 2 from the surface of the filter material under the dual effects of water flow shearing force and collision and friction among, then the flushed water flow is carried out from the filter tank 1 to the back flushing sewage discharge pipe 104, is collected in the sewage discharge main pipe 106 along the back flushing sewage discharge pipe 104 and is finally discharged to the outside; and then, carrying out surface washing on the filter material: firstly, the electromagnetic valves on the water inlet pipe 101, the water outlet pipe 102, the backwashing pipe 107, the backwashing sewage discharge pipe 104 and the circulating pipe 301 are in a closed state, firstly, the electromagnetic valve and the booster pump on the surface flushing pipe 103 are started, and meanwhile, clean water is introduced into the surface flushing pipe 103, then, the clean water is sprayed out along the three spray heads of the surface flushing pipe 103, and the surface layer and the screen 201 of the coarse quartz sand 203 are strongly washed away, so that the filter material caked on the upper surface of the filter assembly 2 is rapidly disintegrated and separated from silt, the filter material is washed clean, sewage generated by surface washing permeates from the filter assembly 2, and then, the clean water flows into the sewage discharge main 106 along the surface flushing sewage discharge pipe 105, and finally flows out to the outside.

Example 2

A water filter device for boiler is basically the same as that of embodiment 1, and further, the horizontal branch pipes of the water inlet pipe 101 and the surface flushing pipe 103 are distributed in a staggered way, so that the water flowing from the water inlet pipe 101 is prevented from directly flushing the horizontal branch pipes of the surface flushing pipe 103, and the horizontal branch pipes of the surface flushing pipe 103 are prevented from being damaged due to long-time flushing.

Example 3

The utility model provides a water filter equipment for boiler, is basically the same with embodiment 1, and further, the specification of screen cloth 201 is 250 meshes and the material is stainless steel, can not influence rivers and pass through, block large granule impurity effectively to can not rust, long service life, and the particle diameter of thick quartz sand 203 and thin quartz sand 204 is 5 millimeters and 2 millimeters respectively, can satisfy cooling circulation water's filtration demand, realize better filter effect.

Example 4

Referring to fig. 2, a water filter device for a boiler, which is substantially the same as that of embodiment 1, further, a fixed pore plate 202 is disposed between a screen 201 and coarse quartz sand 203 and at the bottom of fine quartz sand 204, the fixed pore plate 202 plays a role in positioning and fixing a filter material, the filter material is prevented from scattering when being washed by water flow, the thickness of the fixed pore plate 202 is 20 mm, the fixed pore plate is made of stainless steel, and the fixed pore plate is not easy to rust and deform, has the same size as the screen 201, and is convenient to install.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a water filter equipment for boiler, includes rose box (1), filtering component (2) and header tank (3), its characterized in that:

the top of the filter tank (1) is connected with a water inlet pipe (101) and a surface flushing pipe (103) in a penetrating way, one end of the surface flushing pipe (103) positioned in the filter box (1) is provided with a horizontal branch pipe, three nozzles are arranged on the horizontal branch pipe, a water outlet pipe (102) is connected to the bottom of the filter box (1) in a penetrating way, a back flushing pipe (107) is externally connected to the water outlet pipe (102), a sewage draining main pipe (106) is arranged on the side edge of the filter box (1), a blowdown valve (1061) is arranged on the blowdown header pipe (106), two branch pipe back flush blowdown pipes (104) and a surface flushing blowdown pipe (105) are also arranged on the blowdown header pipe (106), the back flushing sewage discharge pipe (104) is positioned above the surface flushing sewage discharge pipe (105), the sewage main pipe (106) is connected with the filter tank (1) through the back flushing sewage pipe (104) and the surface flushing sewage pipe (105);

the filter assembly (2) is fixedly arranged in the filter box (1) and is positioned between the back flushing sewage pipe (104) and the surface flushing sewage pipe (105), the filter assembly (2) is divided into a screen (201), coarse quartz sand (203) and fine quartz sand (204) from top to bottom, and three nozzles connected to the surface flushing pipe (103) penetrate through and are inserted into the coarse quartz sand (203);

the water collecting tank (3) is connected with the filter tank (1) through the water outlet pipe (102), a circulating pipe (301) is connected between the water collecting tank (3) and the filter tank (1), and a water purifying pipe (302) is connected to the water collecting tank (3);

the water inlet pipe (101), the surface flushing pipe (103), the backwashing pipe (107) and the circulating pipe (301) are all provided with a booster pump and an electromagnetic valve, and the backwashing sewage pipe (104), the surface flushing sewage pipe (105) and the water outlet pipe (102) are also provided with an electromagnetic valve.

2. The water filtering device for a boiler as claimed in claim 1, wherein: the water inlet pipes (101) and the horizontal branch pipes of the surface flushing pipe (103) are distributed in a staggered mode.

3. The water filtering device for a boiler as claimed in claim 1, wherein: the specification of screen cloth (201) is 250 meshes and the material is stainless steel, the particle diameter of thick quartz sand (203) and thin quartz sand (204) is 5 millimeters and 2 millimeters respectively.

4. The water filtering device for a boiler as claimed in claim 1, wherein: the screen cloth (201) with between the coarse quartz sand (203) and the bottom of fine quartz sand (204) all is provided with fixed orifice plate (202), the thickness of fixed orifice plate (202) is 20 millimeters and is stainless steel material to the size with screen cloth (201) are unanimous.