CN217661866U

CN217661866U - Back flush filter for heat supply engineering

Info

Publication number: CN217661866U
Application number: CN202221300176.5U
Authority: CN
Inventors: 乐晨
Original assignee: Tianjin Zhongyuan Bangda New Energy Engineering Technology Co ltd
Current assignee: Tianjin Zhongyuan Bangda New Energy Engineering Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-28
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to the field of filters, in particular to a back flush filter for heat supply engineering, which comprises a filter cylinder, wherein the tail end of the filter cylinder is fixedly communicated with a drain pipe, the tail end of the drain pipe is detachably fixed and supported with an end plate, and a side wall of the drain pipe is fixedly provided with a water pressure sensor; and a filter screen is fixedly arranged at the bottom of the inner cavity of the filter cartridge. The utility model discloses an electric putter can drive the annular tube and go up and down, simultaneously when the clean filter of back flush, the liquid pump extraction flush fluid gets into the annular tube, then utilize the shower nozzle to wash the filter screen to it is clean to reach the back flush, thereby guarantee to wash thoroughly, opens the end plate simultaneously, makes the impurity of washing derive along the blow off pipe, thereby need not the staff and carry out manual clearance, thereby has promoted operating efficiency, has reduced staff's fatigue strength, and is comparatively practical, is fit for extensively promoting and using.

Description

Back flush filter for heat supply engineering

Technical Field

The utility model relates to a filter field specifically is a back flush filter for heat supply engineering.

Background

In the process of heat supply, water needs to be transmitted in the heat supply process, and in the process of water transmission, the water needs to be filtered, so that a filter needs to be used, the filter used in the existing heat supply process is a back washing filter, and the filter is conveniently cleaned by utilizing a back washing mode.

The existing backwashing filter is characterized in that a washing spray head is arranged on the outer wall of a filter screen in the actual use process, so that the filter screen is regularly washed, the filter efficiency is prevented from being influenced by blockage, the filter is manually cleaned by opening the impurity cleaning after the blocked impurities are washed away by using a backwashing mode, the operation is troublesome, and certain troubles are brought to workers. Therefore, a backwashing filter for heat supply engineering is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back flush filter for heat supply engineering has solved the problem that proposes among the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a backwashing filter for heat supply engineering comprises a filter cartridge, wherein the tail end of the filter cartridge is fixedly communicated with a drain pipe, the tail end of the drain pipe is detachably fixed and top-mounted with an end plate, and a side wall of the drain pipe is fixedly provided with a water pressure sensor; the bottom of the inner cavity of the filter cartridge is fixedly provided with a filter screen, the outer wall of the sewage discharge pipe is fixedly provided with a water inlet pipe in a penetrating way, the water inlet pipe penetrates through the inner cavity of the filter screen, and the upper side of the outer wall of the filter cartridge is fixedly communicated with a drain pipe; an annular pipe is sleeved on the outer side of the filter screen, a spray head is fixedly communicated with the inner wall of the annular pipe, electric push rods are fixedly mounted on two sides of the top of the filter cylinder, and piston rods of the electric push rods penetrate through the filter cylinder and are fixedly connected with the annular pipe; the top of the filter cylinder is fixedly provided with a liquid pump, one end of the liquid pump is communicated with an external liquid pipe, and the other end of the liquid pump penetrates through the filter cylinder through a hose and is communicated with an annular pipe; and a controller and an alarm are fixedly arranged on one side wall of the filter cylinder.

As a preferred embodiment of the present invention, the signal output end of the water pressure sensor is connected to the signal input end of the controller, and the signal output end of the controller is connected to the signal input end of the alarm.

As a preferred embodiment of the present invention, the number of the nozzles is plural, and plural the nozzles are uniformly distributed on the inner wall of the annular tube.

As a preferred embodiment of the utility model, the outer diameter of the filter screen is larger than the inner diameter of the sewage discharge pipe.

As a preferred embodiment of the present invention, the other side wall of the filter cartridge is fixedly embedded with a viewing window.

As an optimized implementation mode of the utility model, a sealing rubber gasket is fixedly arranged on one side wall of the end plate close to the sewage discharge pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a back flush filter for heat supply engineering can drive the ring pipe through the electric push rod and go up and down, and simultaneously when back flush clean filter, the liquid pump extracts the flush fluid and gets into the ring pipe, then utilizes the shower nozzle to wash the filter screen to reach back flush cleanness, thereby guarantee to wash thoroughly, open the end plate simultaneously, make the impurity that washes derive along the blow off pipe, thereby need not the staff and carry out manual clearance, thereby promoted operating efficiency, reduced staff's fatigue strength;

the water pressure inside the sewage draining pipe can be monitored through the water pressure sensor, so that when the filter screen is blocked seriously, a feedback signal of the water pressure sensor reaches a threshold value, the controller can start the alarm to alarm, a worker can be reminded to perform backwashing operation in time, and the situation that the filtering effect is influenced by the blocking situation cannot be found in time is avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the backwash filter for heat supply engineering of the present invention;

fig. 2 is the structural schematic diagram of the outer wall of the filter cartridge of the back-washing filter for heat supply engineering of the present invention.

In the figure: 1. a filter cartridge; 2. filtering with a screen; 3. a sewage discharge pipe; 4. a water inlet pipe; 5. a drain pipe; 6. an annular tube; 7. a spray head; 8. a liquid pump; 9. an electric push rod; 10. a controller; 11. a water pressure sensor; 12. an end plate; 13. an alarm; 14. and (4) an observation window.

Detailed Description

Referring to fig. 1-2, the present invention provides a technical solution: a backwashing filter for heat supply engineering comprises a filter cartridge 1, the tail end of the filter cartridge 1 is fixedly communicated with a drain pipe 3, the tail end of the drain pipe 3 is detachably fixed on the top and provided with an end plate 12, one side wall of the drain pipe 3 is fixedly provided with a water pressure sensor 11, the bottom of an inner cavity of the filter cartridge 1 is fixedly provided with a filter screen 2, the outer wall of the drain pipe 3 is fixedly provided with a water inlet pipe 4 in a penetrating manner, the water inlet pipe 4 penetrates through the inner cavity of the filter screen 2, the upper side of the outer wall of the filter cartridge 1 is fixedly communicated with a drain pipe 5, the outer side of the filter screen 2 is sleeved with a ring pipe 6, the inner wall of the ring pipe 6 is fixedly communicated with a spray head 7, both sides of the top of the filter cartridge 1 are fixedly provided with electric push rods 9, piston rods of the electric push rods 9 penetrate through the filter cartridge 1 and are fixedly connected with the ring pipe 6, the top of the filter cartridge 1 is fixedly provided with a liquid pump 8, one end of the liquid pump 8 is communicated with an external liquid pipe, and the other end of the liquid pump 8 penetrates through the filter cartridge 1 and is communicated with the ring pipe 6 through a hose; a controller 10 and an alarm 13 are fixedly arranged on one side wall of the filter cartridge 1.

In this kind of technical scheme, draw flush fluid entering ring pipe 6 through liquid pump 8, then wash filter screen 2 through shower nozzle 7, then open end plate 12 for the impurity that is washed can directly be derived, thereby need not artifical clearance, thereby has promoted efficiency, has reduced staff's fatigue strength, utilizes water pressure sensor 11 to detect water pressure simultaneously, thereby when water pressure increases, can remind the staff to clear up.

In some technical solutions, referring to fig. 1, a signal output end of the water pressure sensor 11 is connected with a signal input end of the controller 10, and a signal output end of the controller 10 is connected with a signal input end of the alarm 13.

According to the technical scheme, the alarm 13 is automatically started to give an alarm when the water pressure is increased to the threshold value, so that the cleaning of workers is reminded.

In some technical solutions, referring to fig. 1, the number of the nozzles 7 is multiple, and the multiple nozzles 7 are uniformly distributed on the inner wall of the annular pipe 6.

In this kind of technical scheme, evenly distributed's shower nozzle 7 to can guarantee to wash thoroughly filter screen 2.

In some technical solutions, referring to fig. 1, the outer diameter of the filter screen 2 is larger than the inner diameter of the sewage drain pipe 3.

In some embodiments, referring to fig. 2, a viewing window 14 is fixedly embedded in the other side wall of the filter cartridge 1.

In this solution, the observation window 14 is provided to allow the operator to easily view the inside of the filter cartridge 1.

In some technical solutions, referring to fig. 1, a sealing rubber gasket is fixedly installed on a side wall of the end plate 12 close to the sewage draining pipe 3.

In the technical scheme, the arrangement of the sealing rubber gasket ensures that the end plate 12 effectively ensures the sealing effect when sealing the sewage draining pipe 3.

The working principle is as follows: during the use, at first inlet tube 4 with the leading-in cartridge filter 1 inner chamber of water, filter through filter screen 2, water after the filtration pass through drain pipe 5 discharge can, at filterable in-process, pressure sensor 11 can monitor the water pressure in blow off pipe 3 and filter screen 2, when water pressure is great when reaching the threshold value, it is comparatively serious to explain this moment that filter screen 2 blocks up, controller 10 starts alarm 13 this moment and reports to the police, the warning staff clears up, the staff is when clearing up, stop inlet tube 4 and intake, then start electric push rod 9 and drive the lift of ring pipe 6, it gets into ring pipe 6 to start 8 extraction flush fluids of liquid pump simultaneously, then wash filter screen 2 through shower nozzle 7, open end plate 12 simultaneously, thereby will wash down impurity along blow off pipe 12 derive can, need not the manual clearance of staff and wash down impurity, thereby convenient operation is swift, staff's fatigue strength has been reduced.

In addition, the utility model relates to a part that back flush filter for heat supply engineering includes is the part that general standard component or field technician know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff, in this device spare department, with all electrical parts in the above-mentioned, its control computer and the power that refers to power component, electrical part and adaptation are connected through the wire, concrete connecting means should refer to in the following theory of operation, successively work order accomplishes electric connection between each electrical part, its detailed connecting means, for field known technology, theory of operation and process are mainly introduced to the following, do not explain electrical control.

Claims

1. The utility model provides a back flush filter for heat supply engineering, includes cartridge filter (1), its characterized in that: the tail end of the filter cartridge (1) is fixedly communicated with a sewage discharge pipe (3), the tail end of the sewage discharge pipe (3) is detachably fixed and supported with an end plate (12), and a water pressure sensor (11) is fixedly arranged on one side wall of the sewage discharge pipe (3);

the filter screen (2) is fixedly installed at the bottom of the inner cavity of the filter cartridge (1), the outer wall of the sewage discharge pipe (3) is fixedly installed with a water inlet pipe (4) in a penetrating mode, the water inlet pipe (4) penetrates through the inner cavity of the filter screen (2), and the upper side of the outer wall of the filter cartridge (1) is fixedly communicated with a drain pipe (5);

an annular pipe (6) is sleeved on the outer side of the filter screen (2), a spray head (7) is fixedly communicated with the inner wall of the annular pipe (6), electric push rods (9) are fixedly mounted on two sides of the top of the filter cylinder (1), and piston rods of the electric push rods (9) penetrate through the filter cylinder (1) and are fixedly connected with the annular pipe (6);

a liquid pump (8) is fixedly installed at the top of the filter cylinder (1), one end of the liquid pump (8) is communicated with an external liquid connecting pipe, and the other end of the liquid pump (8) penetrates through the filter cylinder (1) through a hose and is communicated with the annular pipe (6);

and a controller (10) and an alarm (13) are fixedly mounted on one side wall of the filter cartridge (1).

2. A backwash filter for heat supply engineering according to claim 1, characterized in that: the signal output end of the water pressure sensor (11) is connected with the signal input end of the controller (10), and the signal output end of the controller (10) is connected with the signal input end of the alarm (13).

3. A backwash filter for heat supply engineering according to claim 1, characterized in that: the number of the spray heads (7) is multiple, and the spray heads (7) are uniformly distributed on the inner wall of the annular pipe (6).

4. A backwash filter for heat supply engineering according to claim 1, characterized in that: the outer diameter of the filter screen (2) is larger than the inner diameter of the sewage discharge pipe (3).

5. A backwash filter for heat supply engineering according to claim 1, characterized in that: and an observation window (14) is fixedly embedded in the other side wall of the filter cylinder (1).

6. A backwash filter for heat supply engineering according to claim 1, characterized in that: and a sealing rubber gasket is fixedly arranged on one side wall of the end plate (12) close to the sewage discharge pipe (3).