CN213680093U

CN213680093U - Filter device of heat exchanger

Info

Publication number: CN213680093U
Application number: CN202022473703.XU
Authority: CN
Inventors: 于泉; 于红; 王晓
Original assignee: Qingdao Xinquantong Electromechanical Equipment Co ltd
Current assignee: Qingdao Xinquantong Electromechanical Equipment Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-13
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a filtering device of a heat exchanger, which comprises a box body, wherein the top of the box body is provided with an upper cover, the box body is internally provided with a filtering screen plate, an active carbon screen plate and a semi-permeable membrane, a water outlet is provided with a three-way valve through a connector, the other end of the three-way valve is communicated with a water inlet of the heat exchanger, and the lower end of the three-way valve is communicated with a backwashing pipe through the connector, the upper cover and the box body are connected and fixed through bolts, so that the filtering device is convenient to be disassembled and assembled, the sealing effect of the filtering device is enhanced through the arranged sealing gasket, circulating water impurities are filtered more thoroughly through multiple times of filtering and adsorption, the water scale accumulation in the heat exchanger is avoided from influencing the heat exchange efficiency, thereby the service life of the heat exchanger is prolonged, the filtering device is convenient to be cleaned through the three-way valve and, convenient and fast, easy operation.

Description

Filter device of heat exchanger

Technical Field

The utility model relates to a circulating water filter equipment technical field specifically is a filter equipment of heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. The heat exchanger is usually used water as heat exchange fluid, and under the relatively poor condition of circulating water quality, through the heat exchange, the incrustation scale is piled up in the heat exchanger very easily to the internal water body intensification of heat exchanger, influences heat exchange efficiency, leads to the heat exchanger can not normal use even, and some heat exchangers can install the filter that corresponds, but the long-time filter jam condition of using also is comparatively serious. When needs are cleared up this filter, the operation is inconvenient and comparatively consuming time, is unfavorable for plate heat exchanger's long-term steady operation, has increased the burden of clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter equipment of heat exchanger to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a filter equipment of heat exchanger, includes the box, the upper cover is installed at the box top, box one end lower part is provided with the water inlet, and the other end middle part is provided with the delivery port, installs filter screen board, active carbon otter board and semi-permeable membrane in the box in proper order, installs the tee bend valve through the connector on the delivery port, and the tee bend valve other end passes through the connector intercommunication with the heat exchanger water inlet.

As a further aspect of the present invention: the upper cover is fixedly connected with the box body through bolts.

As a further aspect of the present invention: and a sealing gasket is arranged between the box body and the upper cover.

As a further aspect of the present invention: and through holes corresponding to the bolts are arranged on the top edge of the box body, the upper cover and the sealing gasket.

As a further aspect of the present invention: slots are arranged on the inner wall of the box body corresponding to the positions of the filter screen plate, the activated carbon screen plate and the semi-permeable membrane, and clamping grooves are arranged on the upper cover corresponding to the positions of the slots.

As a further aspect of the present invention: the lower end of the three-way valve is communicated with the backwashing pipe through a connector.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is convenient to be disassembled and assembled by connecting and fixing the upper cover and the box body through the bolt, is convenient to be cleaned and maintained in the filtering device, is convenient to maintain and replace the filtering screen plate, the active carbon screen plate and the semi-permeable membrane, enhances the sealing effect of the filtering device through the arranged sealing gasket, ensures that circulating water impurities are filtered more thoroughly by matching and adsorbing the filtering screen plate, the active carbon screen plate and the semi-permeable membrane for a plurality of times, avoids scale accumulation in the heat exchanger from influencing the heat exchange efficiency and the normal use of the heat exchanger, thereby prolonging the service life of the heat exchanger, ensures that the filtering screen plate, the active carbon screen plate and the semi-permeable membrane are more convenient to be assembled and disassembled through the arranged connecting head, ensures that the filtering device is convenient to be cleaned through the arranged three-way valve and the backwashing pipe, need not to dismantle and to reversely let in clean water to filter equipment through the backwash tube and wash box inner chamber and filter otter board, active carbon otter board, semi-permeable membrane, convenient and fast, easy operation.

Drawings

Fig. 1 is a schematic expanded front view of a filtering device of a heat exchanger.

Fig. 2 is a schematic sectional view of a filter device of a heat exchanger.

In the figure: the device comprises a box body 1, a bolt 2, an upper cover 3, a sealing gasket 4, a through hole 5, a water inlet 6, a water outlet 7, a filter screen plate 8, an active carbon screen plate 9, a semi-permeable membrane 10, a slot 11, a clamping groove 12, a connector 13, a three-way valve 14, a heat exchanger water inlet 15 and a backwashing pipe 16.

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.

Referring to fig. 1-2, in the embodiment of the present invention, a filtering device of a heat exchanger comprises a box body 1, an upper cover 3 is installed on the top of the box body 1, the upper cover 3 is fixedly connected with the box body 1 through a bolt 2, which is convenient for disassembly and assembly, is convenient for cleaning and maintenance in the filtering device, and is convenient for maintenance and replacement of a filtering screen plate 8, an active carbon screen plate 9 and a semi-permeable membrane 10, a sealing gasket 4 is arranged between the box body 1 and the upper cover 3, which enhances the sealing effect of the filtering device, through holes 5 corresponding to the bolt 2 are arranged on the top edge of the box body 1, the upper cover 3 and the sealing gasket 4, a water inlet 6 is arranged on the lower portion of one end of the box body 1, a water outlet 7 is arranged on the middle portion of the other end, the filtering screen plate 8, the active carbon screen plate 9, avoid incrustation scale to pile up influence heat exchange efficiency and the normal use of heat exchanger in the heat exchanger, thereby prolong the life of heat exchanger, the box 1 inner wall corresponds to and filters otter board 8, the position of active carbon otter board 9 and semi-permeable membrane 10 is provided with slot 11, the position that upper cover 3 corresponds slot 11 is provided with draw-in groove 12, slot 11 and draw-in groove 12 make the installation of filtering otter board 8, active carbon otter board 9, semi-permeable membrane 10 more convenient, the installation accuracy is effectively guaranteed, and be difficult for shifting, install tee bend valve 14 through connector 13 on delivery port 7, the tee bend valve 14 other end communicates through connector 13 with heat exchanger water inlet 15, tee bend valve 14 lower extreme communicates with backwash pipe 16 through connector 13, make this filter equipment wash convenient, need not to dismantle and can pass through the backwash pipe to filter equipment backward and let in clean water to box 1 inner, The activated carbon screen plate 9 and the semi-permeable membrane 10 are cleaned conveniently and quickly, and the operation is simple.

The utility model discloses a working process is: when the heat exchanger filtering device is used, firstly, circulating water enters a box body 1 from a water inlet 6, flows out from a water outlet 7 after being filtered and adsorbed for multiple times through a filtering screen plate 8, an active carbon screen plate 9 and a semi-permeable membrane 10, at the moment, a three-way valve 14 is communicated with a water inlet 15 of a heat exchanger, and the filtered circulating water enters the heat exchanger to participate in heat exchange; when the filtering device needs to be cleaned, the three-way valve 14 is switched to be communicated with the backwashing pipe 16, clean water is introduced into the backwashing pipe 16 to clean the inner cavity of the box body 1, the filter screen plate 8, the activated carbon screen plate 9 and the semi-permeable membrane 10, sewage is discharged through the water inlet 6, the cleaning is convenient and rapid, after the cleaning is completed, the three-way valve 14 is switched to be communicated with the water inlet 15 of the heat exchanger again, and the filtering device works normally.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a filter equipment of heat exchanger, includes box (1), its characterized in that, upper cover (3) are installed at box (1) top, box (1) one end lower part is provided with water inlet (6), and the other end middle part is provided with delivery port (7), installs filter plate (8), active carbon otter board (9) and semi-permeable membrane (10) in proper order in box (1), installs tee bend valve (14) through connector (13) on delivery port (7), and tee bend valve (14) other end and heat exchanger water inlet (15) are through connector (13) intercommunication.

2. The filtering device of a heat exchanger according to claim 1, wherein the upper cover (3) is fixedly connected with the box body (1) through bolts (2).

3. A filtering device of a heat exchanger according to claim 1, characterized in that a sealing gasket (4) is arranged between the box body (1) and the upper cover (3).

4. The filtering device of the heat exchanger according to claim 1, wherein the top edge of the box body (1), the upper cover (3) and the sealing gasket (4) are provided with through holes (5) corresponding to the bolts (2).

5. The filtering device of the heat exchanger according to claim 1, wherein the inner wall of the box body (1) is provided with slots (11) corresponding to the positions of the filter screen plate (8), the activated carbon screen plate (9) and the semi-permeable membrane (10), and the upper cover (3) is provided with clamping grooves (12) corresponding to the positions of the slots (11).

6. The filtering device of the heat exchanger as claimed in claim 1, wherein the lower end of the three-way valve (14) is communicated with the backwashing pipe (16) through a connector (13).