RU186722U1 - Water filter - Google Patents

Abstract

The utility model relates to smoke removal and air cleaning systems in catering. The hydraulic filter contains a housing, which consists of two parts, a chamber for primary cooling and suppression of sparks and a chamber for secondary cleaning and dehumidification of air, as well as an impermeable partition between them, inlet and outlet pipes are located in the upper part of the housing, a wet labyrinth is horizontally located in the middle of the housing, in the lower part of the casing is a layer of water that does not touch the maze, and the bottom of the casing is made with a slope to the drain hole located in one of the corners of the bottom. The bottom of the housing may have ribs. Hydraulic filter housing and impermeable partition can be made of metal. The height of the impermeable partition may be 1 / 2-1 / 3 of the height of the housing. The drain hole can be supplemented with a nozzle. A wet labyrinth can be formed by a layer of ceramic elements from 5 to 20 cm high, freely poured onto a metal mesh fixed in the hydraulic filter housing or packed in a metal mesh cassette. To ensure control of the water level, the hydraulic filter may further comprise an overflow pipe. The primary cooling and extinguishing chamber may contain a passive protection system connected to the water supply by means of a water intake pipe, and spray nozzles installed at the ends of the pipe and create a water curtain. An additional filter may be installed on the water intake pipe. The secondary purification and dehumidification chamber may further comprise a labyrinth flushing system, which has spray nozzles and is located under the labyrinth. The secondary purification chamber may further comprise an nozzle for washing off the sludge. The technical result is the simplification of maintenance, the process of cleaning the device from silt sediment, reducing the cleaning time and frequency of its implementation, as well as increasing the service life of both the hydraulic filter and the equipment of the recirculation system.

Description

The technical field to which the utility model relates.

The utility model relates to smoke removal and air cleaning systems at catering facilities, and specifically to gas vents from fire sources, cooking plants and other fire sources (barbecue, wood-burning stoves). The device is designed to extinguish sparks, cool air, trap soot and grease, protect air ducts and chimneys from depositing soot, grease inside them and prevent them from igniting.

State of the art

Known wet spark arrestor (RF patent for the invention No. 2630563, class IPC B01D 47/02, B01D 50/00, published September 11, 2017) containing a flue gas exit section from a flue gas source, gas outlet, water tank, irrigation feed pipe liquids, drain pipe, additional air supply chamber. The spark arrester also includes an electric motor with at least one rotating spray disk immersed in a water tank, over which an inclined tray, a separation wall and a deflector are installed, which serve to direct the air flow into the zone of the water curtains, two labyrinth filters. Water curtains are created by at least one spray disk and water supplied through an inclined tray through an irrigation fluid supply line. In this case, the first labyrinth filter is installed in the chamber of the additional air supply, and the second at the outlet of the spark arrester.

A disadvantage of the known device is the accumulation of dirt, residues of combustion products in the labyrinth filter, which leads to its clogging and the need for frequent cleaning, as well as a smaller surface area of the labyrinth filter, in comparison with a ceramic filling.

A known hydraulic filter (RF patent for the invention No. 2616914, class IPC B01D 47/12, publ. 04/18/2017), comprising a housing, at least an inlet and outlet pipe, a water purification unit, a cooling unit, an inertial cleaning unit, a drainage unit air, pump, pipes, valves, automatic control unit. The housing is sealed. The inlet and outlet nozzles are located in the upper part of the housing. The water purification unit comprises at least one spray nozzle forming a water curtain. The cooling unit is a wet labyrinth located horizontally below the level of the water curtain, a water level sensor, a sludge sludge discharge pipe, an overflow pipe. The inertial cleaning unit consists of a layer of water and an impermeable partition located above the water level. The dehumidification unit is a dry maze located horizontally above the outlet of the cleaned air. The case is made passive protection system.

A disadvantage of the known device is the lack of a cleaning system for the dry labyrinth filter, as well as the need to remove the ceramic filling for washing it to wash it.

The closest in technical essence and the achieved positive effect to the claimed device — the prototype — is the STRADA hydraulic filter spark arrestor (Internet page https: //xn--80aalwumgi9g.xn--p1ai/horeca/iskrogasitel-strada-hydro-c/) . This spark filter contains a flue gas inlet from a flue gas source, a gas outlet, a water tank, irrigation fluid supply pipes, a drain pipe, filter elements (Rashig rings (ceramic filling). The spark arrestor consists of two parts, a primary cooling and spark suppression chamber and secondary cleaning / drying of air, as well as the walls between them.

This device has the following disadvantages:

1. During spark extinguishing, water enters the recirculation system from the hydraulic filter without undergoing purification, which leads to rapid wear of pump parts and the accumulation of dirt in the water recirculation system and its rapid failure.

2. The device has a slope in one direction, which causes dirt to accumulate on one side and complicates cleaning during maintenance work and does not drain completely through the holes for draining the waste water.

3. The STRADA hydraulic filter has two nozzles for washing Raschig rings (ceramic filling / filter elements), which are not enough to wash the entire area of the filter material, as a result of which the filling is not uniformly contaminated, and for washing it is necessary to disassemble the housing, remove the filter cartridges, disassemble them and rinse separately.

4. The water intake pipe to the recirculation system is located at a height of 5 mm from the bottom of the filter, because of which the filtered residues of a large fraction fall into the pump of the recirculation system, which contributes to its rapid deterioration and failure.

5. To drain the waste water from the hydraulic filter, a pipe for the recirculation system is used, because of which the filtered solid fraction of debris clogs the pump of the recirculation system.

Utility Model Disclosure

The objective of the utility model is to create a simple, reliable and easy-to-maintain hydraulic filter.

The technical result is to simplify maintenance, the process of cleaning the device from sludge sediment, reducing the cleaning time and frequency of its conduct, as well as increasing the service life of both the hydraulic filter and the equipment of the recirculation system.

The specified technical result is achieved by the fact that the hydraulic filter contains a housing, which consists of two parts, a chamber for primary cooling and suppression of sparks and a chamber for secondary cleaning and dehumidification of air, as well as an impenetrable partition between them, inlet and outlet pipes are located in the upper part of the housing, in the middle a wet labyrinth is horizontally located on the part of the casing, a layer of water is located in the lower part of the casing that does not touch the maze, and the bottom of the casing is made with a slope towards the drain hole located in one m from the corners of the bottom.

The bottom of the housing may have ribs.

Hydraulic filter housing and impermeable partition can be made of metal.

The height of the impermeable partition may be 1 / 2-1 / 3 of the height of the housing.

The drain hole can be supplemented with a nozzle.

A wet labyrinth can be formed by a layer of ceramic elements from 5 to 20 cm high, freely poured onto a metal mesh fixed in the hydraulic filter housing or packed in a metal mesh cassette.

To ensure control of the water level, the hydraulic filter may further comprise an overflow pipe.

The primary cooling and extinguishing chamber may contain a passive protection system connected to the water supply by means of a water intake pipe, and spray nozzles installed at the ends of the pipe and create a water curtain.

An additional filter may be installed on the water intake pipe.

The secondary purification and dehumidification chamber may further comprise a labyrinth flushing system, which has spray nozzles and is located under the labyrinth.

The secondary purification chamber may further comprise an nozzle for washing off the sludge.

Brief Description of the Drawings

In FIG. 1 shows a diagram of a hydraulic filter, front view.

In FIG. 2 shows a General view of the hydraulic filter.

The following notation is used in the figures:

1. Hydraulic filter housing

2. Inlet pipe

3. Outlet

4. Passive protection system

5. Spray nozzle

6. Wet Maze

7. A layer of water

8. Drain hole

9. Pipe for water intake into the recirculation system

10. Impermeable partition

11. The system for washing the maze

12. Overflow pipe

13. Nozzle for flushing sludge

14. Ribs on the bottom of the body.

Utility Model Implementation

The hydraulic filter contains a housing 1, which consists of two parts, a chamber for primary cooling and suppression of sparks and a chamber for secondary cleaning and dehumidification of air, as well as an impenetrable partition 10 between them. The partition 10 is vertically oriented, rigidly connected to the housing in its upper part, the height of the partition is 1 / 2-1 / 3 of the height of the housing. The housing 1 of the hydraulic filter and the baffle 10 can be made of metal.

The inlet 2 and outlet 3 pipes are located in the upper part of the housing 1. The bottom of the housing 1 is made with a slope to the drain hole 8, located in one of the corners of the bottom. The drain hole 8 is designed to discharge sludge, the hole 8 may be supplemented by a pipe. The bottom of the housing 1 may be made not flat, but may have ribs 11, which provide an additional slope and, accordingly, the cleaning of the hydraulic filter from silt sediment can occur even faster.

The primary cooling and extinguishing chamber contains a passive protection system 4 connected to the water supply using a pipe 9 for water intake, and several spray nozzles 5 mounted on the ends of the pipe and creating a water curtain. To ensure the operation of nozzles 5 and to organize the circulation of water in the hydraulic filter, a pump is used (not shown in Fig.), Which is installed outside the housing 1 of the hydraulic filter. On the pipe 9 of the intake of water can be additionally installed a filter.

Below the level of the water curtain, a wet labyrinth 6 is horizontally formed by a layer of ceramic elements, for example, Rashiga rings moistened with water draining from the spray nozzles 5 of the water curtain. The wet labyrinth 6, for example, is a layer of ceramic elements from 5 to 20 cm high, freely poured onto a metal mesh fixed in the hydraulic filter housing 1 or packed in a metal mesh cassette for ease of installation.

At the bottom of the housing 1 of the hydraulic filter is a layer of water 7, which does not touch the maze 6.

The secondary purification and dehumidification chamber contains a wet labyrinth 6 and a system 11 with spray nozzles 5 located under the labyrinth 6 and designed to flush the labyrinth 6 from contamination with grease, soot, ash, etc.

To ensure control of the hydraulic filter by water level, an overflow pipe 12 is used.

Additionally, the secondary cleaning chamber contains a nozzle 13 for flushing sludge.

The hydraulic filter operates as follows.

The contaminated air, together with sparks from the grill, rises through the air ducts and enters the inlet pipe 2. Sparks passing through the water curtain created by the spray nozzle 5 go out and the air is filtered off, passing the ceramic filling (Rashig rings) of the wet labyrinth 6 and together with the remains of fat and soot along inertia falls into the water layer 7, due to a 180-degree turn of the air flow. Solid particles accumulate at the lower point of the hydraulic filter at the drain hole 8. A filter (mesh) is installed over the water intake pipe 9 into the recirculation system to trap large fragments of dirt. Water flows from the recirculation system to the spray nozzles 5. The air passing through the labyrinth from the ceramic filling 6 leaves moisture and the remaining particles of fat and soot on it, after which we get air completely free from sparks, grease, soot, and partially from smell and smoke.

1. The change in the structural design of the housing 1 of the hydraulic filter, the slope of one corner of the bottom of the housing, leads to the fact that the filtered residues will accumulate at the bottom of the device, the drain hole 8, located in the same plane with the bottom, simplifies the daily complete discharge of waste water.

2. Adding nozzle 13 in the sides of the hydraulic filter, with daily drainage of water, will wash off residues from the bottom of the device.

3. Raising the water intake pipe 9 to the recirculation system leads to the fact that the filtered residues will not get into the recirculation system, clog it and the recirculation pump, wear out the pump parts.

4. Adding a filter to the recirculation system in front of the pump does not allow large debris to clog the recirculation system and disable the pump.

Thus, the claimed design of the hydraulic filter provides simplification of maintenance, the process of cleaning the device from silt sediment, reducing the cleaning time and frequency of its holding, as well as increasing the service life of both the hydraulic filter and the equipment of the recirculation system.

A comparative analysis of the claimed utility model showed that the set of essential features of the claimed device is not known from the prior art and therefore corresponds to the patentability condition “Novelty”.

The above information confirms the possibility of using the claimed device in catering, and can be used for smoke removal and air purification, and therefore meets the patentability condition "Industrial Applicability".

Claims (8)

1. A hydraulic filter containing a housing, which consists of two parts, a chamber for primary cooling and suppression of sparks and a chamber for secondary cleaning and dehumidification of air, as well as an impenetrable partition between them, inlet and outlet nozzles are located in the upper part of the housing, horizontally located in the middle of the housing labyrinth, which is formed by a layer of ceramic elements from 5 to 20 cm high, freely poured on a metal mesh fixed in the hydraulic filter housing, in the lower part of the housing there is a layer of water that does not touch the lab irinta, moreover, the bottom of the body is sloped to a drain hole located in one of the corners of the bottom, the secondary cleaning chamber further comprises an nozzle for washing off the sludge, an additional filter is installed on the water intake pipe. 2. The hydraulic filter according to claim 1, characterized in that the bottom of the housing has ribs. 3. The hydraulic filter according to claim 1, characterized in that the hydraulic filter housing and the impermeable partition are made of metal. 4. The hydraulic filter according to claim 1, characterized in that the height of the impermeable partition is 1 / 2-1 / 3 of the height of the housing. 5. The hydraulic filter according to claim 1, characterized in that the drain hole is supplemented by a nozzle. 6. The hydraulic filter according to claim 1, characterized in that to ensure control of the water level, the hydraulic filter further comprises an overflow pipe. 7. The hydraulic filter according to claim 1, characterized in that the primary cooling and extinguishing chamber contains a passive protection system connected to the water supply using a water intake pipe and spray nozzles installed at the ends of the pipe and creating a water curtain. 8. The hydraulic filter according to claim 1, characterized in that the secondary purification and dehumidification chamber further comprises a labyrinth flushing system, which has spray nozzles and is located under the labyrinth.

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