CN219167864U

CN219167864U - Filtering device for circulating water of heat exchanger

Info

Publication number: CN219167864U
Application number: CN202320058084.9U
Authority: CN
Inventors: 程梦洁; 申晓杰; 段超; 田喜莎; 张灵菊
Original assignee: Shaanxi Zizhao Equipment Co ltd
Current assignee: Shaanxi Zizhao Equipment Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-13
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a filtering device for circulating water of a heat exchanger, which comprises a liquid inlet and a liquid inlet pipe of the circulating water of the heat exchanger, wherein a sleeve is embedded in the liquid inlet, a flange ring is arranged at an inlet of the front end of the sleeve which is closed, and a screening hole is arranged on the circumferential surface of a cylinder body of the sleeve in the heat exchanger; the liquid inlet pipe is characterized in that a flange cover is arranged on the pipe body of the liquid inlet pipe, the liquid inlet pipe penetrates through the flange ring and stretches into the sleeve, the flange cover seals the outer end face of the flange ring, and a cavity nested between the liquid inlet pipe and the sleeve forms a impurity storage area. The device utilizes the sleeve filtering structure to be matched with the liquid inlet pipe, the nested cavity between the liquid inlet pipe and the sleeve forms a impurity storage area, the disassembly and the replacement are simple and convenient, the manufacturing cost is low, the whole filtering area adopts a double-layer filtering layer, the filtering efficiency is high, the unnecessary trouble caused by equipment blockage is avoided, compared with the purchase of an independent filtering machine, the structure occupies small space, is integrated with equipment, and does not occupy extra space.

Description

Filtering device for circulating water of heat exchanger

Technical Field

The utility model relates to the technical field of heat exchanger circulating water filtration, in particular to a filtering device for heat exchanger circulating water.

Background

At present, most heat exchanger circulating water equipment contains a certain amount of impurities more or less in the medium, and the impurities are mixed into the medium, so that sediment, scale and the like are inevitably contained in water, the impurities are accumulated to block the equipment over time, the sediment and the scale are accumulated in gaps between heat exchange pipes when the equipment is operated for a long time, the flow rate of circulating water in a shell side medium is influenced, the heat exchange area is greatly reduced, the production efficiency is influenced, the equipment can be opened for cleaning only when the equipment is stopped for maintenance, and the productivity is seriously influenced due to time and labor consumption. The independent filter machine is purchased by some manufacturers to filter the circulating water, but the filter device has larger equipment volume, high running cost and inconvenient maintenance, and from manpower, material resources and economic cost, each filter process needs to be put into quite large cost, and the energy consumption of the manufacturers is increased intangibly.

Disclosure of Invention

In order to solve the problems in reality, the utility model provides a filtering device for circulating water of a heat exchanger, which utilizes a sleeve filtering structure to be matched with a liquid inlet pipe, and a cavity nested between the liquid inlet pipe and a sleeve forms a impurity storage area, so that the purpose of filtering is achieved.

The utility model is realized by the following technical scheme that the filtering device for the circulating water of the heat exchanger comprises a liquid inlet and a liquid inlet pipe of the circulating water of the heat exchanger, wherein a sleeve is embedded in the liquid inlet, a flange ring is arranged at the inlet of the front end of the sleeve in a closed manner and the rear end of the sleeve, and screening holes are arranged on the circumferential surface of a cylinder body of the sleeve in the heat exchanger; the liquid inlet pipe is characterized in that a flange cover is arranged on the pipe body of the liquid inlet pipe, the liquid inlet pipe penetrates through the flange ring and stretches into the sleeve, the flange cover seals the outer end face of the flange ring, and a cavity nested between the liquid inlet pipe and the sleeve forms a impurity storage area.

In the scheme, the rubber plugging ring is sleeved on the pipe body of the liquid inlet pipe positioned on the right side inside the sleeve to seal the impurity storage area.

In the scheme, the end faces of the flange ring and the flange cover, which correspond to each other, are provided with fixing holes, and bolts are arranged in the fixing holes to fix the flange ring and the flange cover.

In the scheme, the screening holes are round filtering holes vertically penetrating through the side wall of the sleeve, and the aperture of each screening hole is 2mm-4mm.

In the scheme, the screen mesh is attached to the circumferential surface of the sleeve outside the screening hole.

In the scheme, the specification of the silk screen is GFW2.0/0.56.

Compared with the prior art, the filtering device for the circulating water of the heat exchanger has the beneficial effects that:

1. the sleeve filtering structure is matched with the liquid inlet pipe, a cavity nested between the liquid inlet pipe and the sleeve forms a sundry storage area, and the device is convenient to detach and replace and low in manufacturing cost.

2. The whole filtering area adopts a double-layer filtering layer, so that the filtering efficiency is high, and unnecessary troubles caused by equipment blockage are avoided.

3. Compared with purchasing an independent filtering machine, the structure occupies small space, is integrated with equipment, and does not occupy extra space.

Drawings

FIG. 1 is a schematic diagram of a filtering apparatus for circulating water of a heat exchanger according to the present utility model;

FIG. 2 is a cross-sectional view of F-F in FIG. 1;

fig. 3 is a partial enlarged view of a in fig. 1.

In the figure, a heat exchanger 1, a impurity storage area 2, screening holes 3, a wire mesh 4, a liquid inlet 5, a sleeve 6, a liquid inlet pipe 7, a rubber plugging ring 8, a flange ring 9, a flange cover 10, a fixing hole 11 and bolts 12.

Detailed Description

The filtering device for circulating water of a heat exchanger according to the present utility model will be further described with reference to the accompanying drawings and embodiments.

Fig. 1 is a schematic structural view of a filtering apparatus for circulating water of a heat exchanger according to the present utility model, fig. 2 is a sectional view of F-F of fig. 1, and fig. 3 is a partial enlarged view of a of fig. 1. In the figure, the filtering device for the circulating water of the heat exchanger comprises a liquid inlet 5 and a liquid inlet pipe 7 of the circulating water of the heat exchanger 1, wherein a sleeve 6 is embedded in the liquid inlet 5, the front end of the sleeve 6 is closed, a flange ring 9 is arranged at the inlet of the rear end, a screening hole 3 is arranged on the circumferential surface of a cylinder body of the sleeve 6 positioned in the heat exchanger 1, the screening hole 3 is a circular filtering hole vertically penetrating through the side wall of the sleeve 6, the aperture of the screening hole 3 is 4mm, a silk screen 4 is attached to the circumferential surface of the sleeve 6 outside the screening hole 3, and the specification of the silk screen 4 is GFW2.0/0.56; the body of the liquid inlet pipe 7 is provided with a flange cover 10, the liquid inlet pipe 7 penetrates through the flange ring 9 and stretches into the sleeve 6, the flange cover 10 seals the outer end face of the flange ring 9, and a nested cavity between the liquid inlet pipe 7 and the sleeve 6 forms the impurity storage area 2. A rubber blocking ring 8 is sleeved on the pipe body of a liquid inlet pipe 7 positioned in the right sleeve 6 to seal the impurity storage area 2. The corresponding end surfaces of the flange ring 9 and the flange cover 10 are provided with fixing holes 11, and bolts 12 are arranged in the fixing holes 11 to fix the flange ring 9 and the flange cover 10.

During operation, the circulating water fills the impurity storage area 2 from the inlet at the right end of the liquid inlet pipe 7, under the effect of pressure, the circulating water is pressed into the screening holes 3, and impurities with diameters larger than 4mm are isolated in the impurity storage area 2 through one-time filtration of the screening holes 3. Then the circulating water enters the heat exchanger through the screening holes 3 and the silk screen 4, the silk screen 4 is filtered for the second time, and impurities with diameters larger than 2mm are isolated in the impurity storage area 2. When impurities accumulate to a certain degree and are periodically cleaned, the bolts 12 are loosened firstly, the liquid inlet pipe 6 is slowly pulled out rightward, the impurities isolated in the impurity storage area 2 are cleaned and flushed out by the high-pressure water gun, and the impurities are installed and restored according to the steps after the impurities are completed, so that simple and rapid cleaning work is realized.

The device utilizes the sleeve filtering structure to be matched with the liquid inlet pipe, the nested cavity between the liquid inlet pipe and the sleeve forms a impurity storage area, the disassembly and the replacement are simple and convenient, the manufacturing cost is low, the whole filtering area adopts a double-layer filtering layer, the filtering efficiency is high, the unnecessary trouble caused by equipment blockage is avoided, compared with the purchase of an independent filtering machine, the structure occupies small space, is integrated with equipment, and does not occupy extra space.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a filter equipment for heat exchanger circulating water, includes inlet (5) and feed liquor pipe (7) of heat exchanger (1) circulating water, its characterized in that: a sleeve (6) is embedded in the liquid inlet (5), a flange ring (9) is arranged at the front end closed and rear end inlet of the sleeve (6), and screening holes (3) are formed in the circumferential surface of a cylinder body of the sleeve (6) in the heat exchanger (1); be equipped with flange lid (10) on the body of feed liquor pipe (7), feed liquor pipe (7) run through flange ring (9) and stretch into inside sleeve (6), make the outer terminal surface of flange ring (9) be sealed to flange lid (10), nested cavity forms between feed liquor pipe (7) and sleeve (6) stores up miscellaneous district (2).

2. A filter device for heat exchanger circulating water according to claim 1, characterized in that: a rubber blocking ring is sleeved on the pipe body of the liquid inlet pipe (7) positioned on the right side inside the sleeve (6) to seal the impurity storage area (2).

3. A filter device for heat exchanger circulating water according to claim 1 or 2, characterized in that: the flange ring (9) and the flange cover (10) are provided with fixing holes (11) on the corresponding end surfaces, and bolts (12) are arranged in the fixing holes (11) to fix the flange ring and the flange cover.

4. A filter device for heat exchanger circulating water according to claim 3, characterized in that: the screening holes (3) are round filtering holes vertically penetrating through the side wall of the sleeve (6), and the aperture of the screening holes (3) is 2mm-4mm.

5. A filter device for heat exchanger circulating water according to claim 4, wherein: the screen mesh (4) is attached to the circumferential surface of the sleeve (6) outside the screening hole (3).

6. A filter device for heat exchanger circulating water according to claim 5, wherein: the specification of the silk screen (4) is GFW2.0/0.56.