CN210631764U

CN210631764U - Outward rotation type secondary filtering device

Info

Publication number: CN210631764U
Application number: CN201921392888.2U
Authority: CN
Inventors: 董红慧; 穆思宇
Original assignee: Lianyungang Yutai Electric Power Equipment Co ltd
Current assignee: Lianyungang Yutai Electric Power Equipment Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-29
Anticipated expiration: 2029-08-26

Abstract

The utility model provides an outward rotation formula secondary filter equipment, which comprises a housin, be equipped with long-pending dirty room on the outer wall at casing top, install the secondary filter vat at the inner chamber of casing, be equipped with the drainage export outside upwards stretching out the casing at the top of filter vat, be equipped with eccentric water inlet in the bottom of casing, be equipped with vertical baffle of intaking between the shells inner wall of eccentric water inlet department and secondary filter vat, be equipped with the filth guide plate between eccentric water inlet and long-pending dirty room import, be equipped with long-pending dirty room deflector on the shells inner wall of long-pending dirty room import department. The utility model utilizes the sewage guide plate arranged between the eccentric water inlet and the inlet of the sewage accumulation chamber, so that the sewage filtered outside the filter screen enters the sewage accumulation chamber along the sewage guide plate under the driving of the gravity that the inlet water flows upwards, thereby realizing the automatic cleaning of the filter screen; the guide plate of the dirt collecting chamber arranged on the inner wall of the shell at the inlet of the dirt collecting chamber can guide dirt to enter the dirt collecting chamber and prevent the dirt from flowing back into the inner cavity of the shell.

Description

Outward rotation type secondary filtering device

Technical Field

The utility model relates to a filtration equipment technical field, more specifically say, relate to an outward turning type secondary filter equipment.

Background

Many industrial enterprises use a large amount of cooling water, which is mostly taken from rivers and lakes. And a lot of pollution and bad factors such as sand and stone particles in water exist in the natural environment, even if the inlet of the circulating water pump is provided with equipment such as a trash rack and a rotary filter screen, a lot of impurities still enter the condenser, and in addition, the aquatic life in the pipeline grows, so that the tube plate, the copper tube, the ball collecting net and the like are easily blocked, and the normal operation of industrial heat exchange equipment is seriously influenced. Therefore, secondary filtration is needed, and the secondary filter screen filters cooling water, removes sundries which may block a heat exchange tube of the condenser, ensures normal input, recovery and operation of sponge rubber balls, improves the recovery rate of the rubber balls, and prolongs the service life of a unit. Most of the existing secondary filter screens have the defects of poor dirt cleaning effect, easy blockage of meshes, waiting for shutdown in cleaning, large maintenance and overhaul workload and the like.

Disclosure of Invention

The utility model aims to solve the technical problem that to prior art not enough, provide a simple structure, the effectual formula secondary filter device that revolves outward of blowdown, concrete scheme is as follows:

the utility model relates to an outward rotating secondary filter device, its characteristics are: comprises a shell, the top end and the bottom end of the shell are both provided with closed ends, the outer wall of one side of the top of the shell is provided with a dirt collecting chamber communicated with the inner cavity of the shell, a sewage discharge outlet with a downward opening is arranged at one end of the sewage chamber far away from the shell, a secondary filter barrel is arranged in the inner cavity of the shell, a filter screen for filtering the inlet water is arranged on the outer wall of the secondary filter barrel, the top of the filter barrel is provided with a filtered water outlet which extends upwards out of the shell, one side of the bottom of the shell is provided with an eccentric water inlet, a vertical water inlet baffle is arranged between the inner wall of the shell at the eccentric water inlet and the secondary filter barrel, a sewage guide plate is arranged between the eccentric water inlet at the opposite side of the vertical water inlet baffle and the inlet of the sewage accumulation chamber, the sewage guide plate is fixed on the inner wall of the shell in a spiral shape, and a dirt accumulation chamber guide plate for guiding dirt to enter the dirt accumulation chamber is arranged on the inner wall of the shell at the inlet of the dirt accumulation chamber, and the dirt accumulation chamber guide plate is connected with the outer wall of the secondary filter barrel.

The technical problem to be solved by the present invention can be further solved by the following technical solution, wherein a water inlet connecting flange is arranged at the eccentric water inlet; an outlet connecting flange is arranged at the filtered water outlet.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, bottom one side of casing is equipped with the normally closed access hole.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, be equipped with on the casing of normally closed access hole opposite side with the communicating normal close ponding exit tube of casing inner chamber.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, the bottom of casing inner chamber is fixed with waterproof bottom plate, and the bottom of secondary lauter tub is fixed on waterproof bottom plate.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, the casing is the staving, and secondary filter vat and the coaxial setting of staving.

Compared with the prior art, the beneficial effects of the utility model are that: the structure design is reasonable, and the sewage discharge effect is good; the eccentric water inlet arranged on one side of the bottom of the shell can guide the inflow water to flow into the shell and then form tangential spiral flow along the periphery of the secondary filter barrel; the dirt guide plate arranged between the eccentric water inlet and the inlet of the dirt accumulation chamber can be used for driving the dirt filtered outside the filter screen to enter the dirt accumulation chamber along the dirt guide plate under the driving of the gravity of upward flowing of inlet water, so that the filter screen is automatically cleaned; the guide plate of the dirt collecting chamber arranged on the inner wall of the shell at the inlet of the dirt collecting chamber can guide dirt to enter the dirt collecting chamber and prevent the dirt from flowing back into the inner cavity of the shell.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the structure of fig. 1.

Fig. 3 is a schematic top view of the structure of fig. 1.

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.

As shown in fig. 1, 2 and 3, the outward rotating secondary filtering device provided in this embodiment includes a casing 12, the top and bottom of the casing are both closed ends, a dirt collecting chamber 3 communicating with the inner cavity of the casing is provided on the outer wall of one side of the top of the casing, a sewage outlet 4 with a downward opening is provided at one end of the dirt collecting chamber away from the casing, a secondary filtering barrel 2 is installed in the inner cavity of the casing, a filtering net 5 for filtering the inlet water is provided on the outer wall of the secondary filtering barrel, a filtered water outlet 1 extending upwards out of the casing is provided at the top of the filtering barrel, an eccentric water inlet 11 is provided at one side of the bottom of the casing, a vertical water inlet baffle 15 is provided between the inner wall of the casing at the eccentric water inlet and the secondary filtering barrel, a dirt guide plate 6 is provided between the eccentric water inlet at the opposite side of the vertical water inlet baffle and the inlet of the dirt collecting chamber, the, and a dirt accumulation chamber guide plate 14 for guiding dirt to enter the dirt accumulation chamber is arranged on the inner wall of the shell at the inlet of the dirt accumulation chamber, and the dirt accumulation chamber guide plate is connected with the outer wall of the secondary filter barrel. The height of the guide plate 14 of the dirt collecting chamber is consistent with that of the inlet of the dirt collecting chamber, so that dirt is prevented from flowing back to the inner cavity of the shell; the eccentric water inlet 11 is deviated from the central axis of the secondary filter barrel; the eccentric water inlet 11 is arranged tangentially and used for guiding the inlet water to form tangential spiral flow along the periphery of the secondary filter barrel; the height of the vertical water inlet baffle 15 is consistent with that of the eccentric water inlet 11, so that the inflow water can be effectively prevented from flowing into the shell 12 from the opposite direction of the dirt guide plate 6; a valve or a baffle plate is arranged at the sewage discharge port 4, and is in a closed state at ordinary times, and the valve or the baffle plate can be opened only when a sewage discharge working chamber is used; a plurality of reinforcing rib plates are arranged in the secondary filter vat to ensure that the secondary filter vat has enough rigidity and strength; and a nameplate seat 13 is arranged on the outer wall of the shell.

During operation, the circulating water gets into from eccentric water inlet 11, because eccentric water inlet 11 is the tangential and arranges, and vertical intake baffle 15 blocks in addition for behind the influent stream casing 12, form tangential spiral flow along secondary filter vat 2 periphery, the filth that contains in the influent is filtered outside secondary filter vat 2 by filter screen 5, and under the gravitation drive of influent upflow and blockking of long-pending dirty room deflector 14, the filth is piled up in long-pending dirty room 3. When the sewage discharge work is carried out, the valve at the sewage discharge outlet 4 is opened, and the sewage accumulated in the sewage accumulation chamber is discharged by the water inlet. Under normal conditions, the sewage discharge work is operated once a day, the operation time is 3-5 minutes each time, and the operation times per day can be properly increased if more impurities exist in the circulating water.

A water inlet connecting flange is arranged at the eccentric water inlet 11; an outlet connecting flange is arranged at the filtered water outlet 1. The bottom one side of casing is equipped with normally closed access hole 7, if when equipment broke down, the accessible normally closed access hole overhauld. The shell on the opposite side of the normally closed access hole is provided with a normally closed accumulated water outlet pipe 10 communicated with the inner cavity of the shell, and the normally closed accumulated water outlet pipe is arranged above the waterproof bottom plate so as to discharge accumulated water remained in the outward rotating type secondary filtering device when the equipment is stopped. The bottom of the inner cavity of the shell is fixed with a waterproof bottom plate 8, the bottom of the secondary filter barrel is fixed on the waterproof bottom plate, and the waterproof bottom plate and the bottom of the shell are provided with a plurality of reinforcing ribs 9. The shell 12 is a barrel body, and the secondary filter barrel 2 is arranged coaxially with the barrel body.

Claims

1. The utility model provides an outward turning type secondary filter device which characterized in that: comprises a shell (12), the top end and the bottom end of the shell are both set as closed ends, a dirt accumulation chamber (3) communicated with the inner cavity of the shell is arranged on the outer wall of one side of the top of the shell, a sewage discharge outlet (4) with a downward opening is arranged at one end of the dirt accumulation chamber far away from the shell, a secondary filter barrel (2) is arranged in the inner cavity of the shell, a filter screen (5) for filtering water is arranged on the outer wall of the secondary filter barrel, a filtered water outlet (1) extending upwards out of the shell is arranged at the top of the filter barrel, an eccentric water inlet (11) is arranged at one side of the bottom of the shell, a vertical water inlet baffle (15) is arranged between the inner wall of the shell at the eccentric water inlet and the secondary filter barrel, a dirt guide plate (6) is arranged between the eccentric water inlet at the opposite side of the vertical water inlet baffle and the inlet of the dirt accumulation chamber, the dirt guide plate is fixed on the inner wall of, the guide plate of the dirt collecting chamber is connected with the outer wall of the secondary filter barrel.

2. An outward rotary secondary filtration apparatus according to claim 1 wherein: a water inlet connecting flange is arranged at the eccentric water inlet (11); an outlet connecting flange is arranged at the filtered water outlet (1).

3. An outward rotary secondary filtration apparatus according to claim 1 wherein: one side of the bottom of the shell is provided with a normally closed access hole (7).

4. An outward rotary secondary filtration apparatus according to claim 3 wherein: a normally closed accumulated water outlet pipe (10) communicated with the inner cavity of the shell is arranged on the shell on the opposite side of the normally closed access hole.

5. An outward rotary secondary filtration apparatus according to claim 1 wherein: and a waterproof bottom plate (8) is fixed at the bottom of the inner cavity of the shell, and the bottom of the secondary filter barrel is fixed on the waterproof bottom plate.

6. An outward rotary secondary filtration apparatus according to claim 1 wherein: the shell (12) is a barrel body, and the secondary filter barrel (2) is arranged coaxially with the barrel body.