CN112361517A

CN112361517A - Indoor dust safety purification equipment

Info

Publication number: CN112361517A
Application number: CN202011140160.8A
Authority: CN
Inventors: 蒋二宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-02-12

Abstract

The invention discloses indoor dust safety purification equipment, which belongs to the field of environmental protection and comprises a purification box, wherein a water inlet pipe is arranged at the top end of the purification box, the purification box is communicated with an exhaust pipe, the outlet end of the exhaust pipe is movably connected with a rotary spray disk, the inlet end of the exhaust pipe is in threaded connection with a plurality of groups of exhaust branch pipes, a rotary drum is movably arranged in the purification box, a plurality of groups of turnover plates are uniformly arranged on the outer wall of the rotary drum, a water pumping pipe is arranged in the purification box, a filter screen is arranged at the inlet end of the water pumping pipe, the bottom end of the purification box is arranged at the inlet end of the water pumping pipe, a spray pipe is arranged at the outlet end of the water pumping pipe, a heater and an ultraviolet sterilization lamp are installed on the inner wall of the. The invention removes dust from the indoor air by water filtration, spraying and the like, is beneficial to ensuring the cleanness and sanitation of the indoor air, improving the indoor environment-friendly effect, increasing the safety, improving the comfort level of the living environment and being convenient to use.

Description

Indoor dust safety purification equipment

Technical Field

The invention relates to the field of environmental protection, in particular to indoor dust safety purification equipment.

Background

With the rapid increase in the number of motor vehicles in cities and the rapid development of industrialization, the problem of urban pollution becomes one of the important problems in people's daily discussion, wherein dust particle pollution is one of the important urban pollutants. Because dust particle pollution is harmful to human bodies, the dust particle pollution can cause great harm to cardiovascular, respiratory and skin health of people, especially children and old people with poor resistance. Municipal dust comprises a large amount of atmospheric chemical particulate matter. For patients with chronic respiratory diseases such as bronchial asthma, chronic bronchitis, obstructive emphysema and chronic obstructive pulmonary disease, the disease can be acute-onset or acute-aggravated in haze weather. Lung cancer can also be induced if left in this environment for a long period of time. Urban dust can block normal blood circulation, cause cardiovascular diseases, hypertension, coronary heart disease and cerebral hemorrhage, possibly induce angina, myocardial infarction, heart failure and the like, and cause chronic bronchitis to generate pulmonary heart disease and the like. In chilly winter, the resident is indoor generally with door and window tightly closed, but still can have a large amount of dusts at indoor gathering, indoor not ventilating can lead to the healthy of dust danger people more simultaneously.

The existing dust in a treatment chamber, which cannot be well treated by people, easily causes diseases to people, influences the comfort of living environment and influences use.

Disclosure of Invention

In view of the problems that have arisen in the prior art, it is an object of the present invention to provide an indoor dust safety purifying apparatus to solve the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme:

a safe purification device for indoor dust comprises a purification box, wherein a water inlet pipe is arranged at the top end of the purification box, a water guide plate is obliquely arranged at the bottom end of the purification box, a water outlet pipe is arranged at the lowest end of the water guide plate, a control valve is arranged on the water outlet pipe, a freshener adding pipe is arranged on the side wall of the purification box, the purification box is communicated with an exhaust pipe, an exhaust pump is installed on the exhaust pipe, the outlet end of the exhaust pipe is movably connected with a rotary spraying disc, the rotary spraying disc is arranged inside the purification box, the inlet end of the exhaust pipe is in threaded connection with a plurality of groups of exhaust branch pipes, a rotary drum is movably arranged inside the purification box, a plurality of groups of turnover plates are uniformly arranged on the outer wall of the rotary drum, a water pumping pipe is arranged inside the purification box, a filter screen is arranged at the inlet end of the water pumping pipe, a spray pipe is arranged at the, the inner wall of the top end of the purifying box is provided with an air outlet hopper, the air outlet hopper is connected with one end of an air outlet pipe, and the other end of the air outlet pipe is in threaded connection with the plurality of groups of air injection branch pipes.

As a further scheme of the invention: and the purifying box is provided with a storage battery.

As a further scheme of the invention: the freshener adding pipe is provided with scales.

As a further scheme of the invention: the upper surface of the rotary spraying disc is uniformly provided with spray holes, and the side wall of the rotary spraying disc is provided with an air injection bent pipe.

As a further scheme of the invention: the entry end of the air exhaust branch pipe is detachably provided with a dust screen.

As a further scheme of the invention: the bottom end of the inner wall of the purification box is provided with a low-level sensor, the side surface of the upper part of the purification box is connected with one end of an overflow pipe, and the other end of the overflow pipe is communicated with the side wall of the water outlet pipe.

As a further scheme of the invention: the rotary drum is arranged right above the rotary spray disk.

Compared with the prior art, the invention has the beneficial effects that: the water inlet pipe can conveniently and timely supplement the water quantity in the device, ensure the water level with proper height in the device, facilitate water filtration and dust removal of sucked indoor air, ensure the safety, gather the water in the device through the water guide plate after a period of time, discharge the water from the water outlet pipe through the sliding of the water guide plate, facilitate the replacement of the water in the device, ensure the safe operation of the water filtration work, improve the work effect, facilitate the water replacement, facilitate the cleaning of the interior of the device, avoid the residue of water, dirt, impurities and the like in the interior of the device, ensure the cleanness of the device and facilitate the use safety of the device. When the low level sensor measures that the water level in the device is too low, the low level sensor transmits signals, so that people can conveniently control the water inlet pipe to work in time, water can be supplemented into the device in time, the normal water level in the device is ensured, the work of the device is facilitated, and the use is facilitated. When the water level in the device is too high, the excess water is discharged through the overflow pipe and is discharged to the outside through the water outlet pipe, so that people can observe and close the control valve of the water inlet pipe, the proper water level in the device is ensured, the dust in the indoor air is favorably removed, the working effect and efficiency are improved, according to actual conditions and requirements, proper amount and types of cleaning agents are added into the device through the freshener adding pipe to be mixed with the water in the device, the water filtering effect in the device is improved, meanwhile, the foreign flavor in the air is conveniently removed, the air is ensured to be fresh, the cleanness and sanitation of the discharged air are favorably realized, the indoor environment-friendly effect is improved, the air suction pump is started when the work is started, the indoor air is extracted through the air suction branch pipes at all positions and is converged into the air suction pipe through the air suction branch pipes, the air is uniformly sprayed through the rotary spray disc, and the indoor air is conveniently and fully mixed with the water in the, the indoor air is favorably filtered by water, dust in the air is removed, the cleanness and sanitation of the indoor air are ensured, the indoor environment-friendly effect is improved, the safety is improved, the comfort level of the living environment is improved, the air sprayed out of the rotary spraying disc directly impacts the rotary drum, the rotary drum is favorably driven to rotate, the flow speed of the air during discharge is conveniently reduced, meanwhile, the rotary drum and the turnover plate are rotated and stirred, the air and the water are ensured to be fully mixed, the water filtering is favorably carried out, the water in the purifying box is pumped out by the water pumping pipe and the water pump during working and is sprayed out by the spraying pipe, the air discharged after water filtering is conveniently sprayed, the dust in the air is conveniently further removed, the discharged air is conveniently heated by the heater during cold winter, the stability of the discharged air is ensured, the indoor temperature is favorably increased, the indoor proper living environment in winter is favorably realized, and the ultraviolet sterilizing lamp can be turned on as required, the convenience is disinfected to the exhaust air, kills bacterium virus etc. in the air, avoids its harm people's healthy, guarantees suitable living environment, increases environmental protection effect, and the during operation is convenient through going out the air escape after will removing dust of gas hopper and outlet duct, through the indoor suitable position of jet-propelled branch discharge, does benefit to the clean health of guaranteeing the room air, improves the effect of indoor environmental protection, increases the security, improves living environment's comfort level, facilitates the use.

Drawings

Fig. 1 is a schematic structural view of an indoor dust safety purification apparatus.

Fig. 2 is a schematic structural view of a rotary spray disk in the indoor dust safety purification device.

Fig. 3 is a schematic structural view of what is in the indoor dust safety purification apparatus.

In the figure: 1. the device comprises a purification box, 2, a water guide plate, 3, a water outlet pipe, 4, an air exhaust pipe, 5, an air exhaust branch pipe, 6, an air exhaust pump, 7, a rotary spray disk, 8, a rotary drum, 9, a turnover plate, 10, a low level sensor, 11, an overflow pipe, 12, a heater, 13, an air exhaust hopper, 14, an air outlet pipe, 15, an air injection branch pipe, 16, a water inlet pipe, 17, a storage battery, 18, an orifice, 19, an air injection bent pipe, 20, a freshener adding pipe, 21, a water suction pipe, 22, a spray pipe, 23, a water pump, 24, a filter screen, 25, a dust screen, 26 and an ultraviolet sterilizing lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows: referring to fig. 1-3, a safe indoor dust purification device comprises a purification box 1, wherein a water inlet pipe 16 is arranged at the top end of the purification box 1, the water inlet pipe 16 is convenient for supplementing the water inside the device in time, so as to ensure the water level at a proper height inside the device, facilitate the water filtration and dust removal of the sucked indoor air, ensure the safety and facilitate the use.

The slope of 1 bottom of purifying box is equipped with water guide plate 2, 2 lower extremes of water guide plate are equipped with outlet pipe 3, be equipped with the control valve on the outlet pipe 3, after one section through the inside water of 2 gathering devices of water guide plate, discharge from outlet pipe 3 through 2 landing water guide plate, conveniently change the inside water of device, guarantee that the safety of water filtration work goes on, improve the effect of work, conveniently trade water, do benefit to the inside washing of device simultaneously, avoid remaining of the inside moisture dirt impurity of device etc., guarantee the cleanness of device, do benefit to device safety in utilization.

1 inner wall bottom of purifying box is equipped with low level sensor 10, 1 upper portion side of purifying box is connected with 11 one end of overflow pipe, the 3 lateral walls of the overflow pipe other end and outlet pipe intercommunication, when low level sensor 10 record the inside water level of device low when low, go out through low level sensor 10 transmission signal, make things convenient for people to control inlet tube 16 in time to work, in time carry out the moisturizing to the device is inside, guarantee the normal of the inside water level of device, the safety of the work of convenience of installation goes on, do benefit to the use. When the inside water level of device is too high, discharge unnecessary water volume through overflow pipe 11, discharge the outside through outlet pipe 3, can make people observe, close the control valve of inlet tube 16, guarantee the inside suitable water level of device, do benefit to the detaching to dust in the room air, improve the effect and the efficiency of work, facilitate the use.

The 1 lateral wall of purifying box is equipped with the freshener and adds pipe 20, according to actual conditions and needs, add pipe 20 through the freshener and add suitable quantity toward the inside of device, the cleaner of kind, make its water mixture with the device inside, increase the effect that the inside water of device was strained, convenient foreign flavor in the deaerate simultaneously, guarantee the fresh of air, do benefit to the clean health of exhaust air, do benefit to and guarantee indoor suitable air circumstance, facilitate the use of device, increase the effect of indoor environmental protection, and convenient to use.

The purifying box 1 is communicated with an exhaust pipe 4, an exhaust pump 6 is arranged on the exhaust pipe 4, the outlet end of the exhaust pipe 4 is movably connected with a rotary spray disk 7, the rotary spray disk 7 is arranged in the purifying box 1, the inlet end of the exhaust pipe 4 is in threaded connection with a plurality of groups of exhaust branch pipes 5, selecting proper amount of branch pipes 5 according to actual conditions, installing the branch pipes 5 at various positions in the room, starting the air pump 6 when the work is started, the air in the room is extracted through the air extraction branch pipes 5 at all positions, and is converged into the air extraction pipe 4 through the air extraction branch pipes 5, through the even blowout of rotatory dish 7, make things convenient for indoor air and the inside water intensive mixing of device, do benefit to and carry out the water to the room air and strain, detach the dust in the air, guarantee the clean health of room air, improve the effect of indoor environmental protection, increase the security, improve living environment's comfort level, facilitate the use.

1 inside activity of purifying box is equipped with rotary drum 8, 8 outer walls of rotary drum evenly are equipped with multiunit returning face plate 9, rotary drum 8 sets up directly over rotatory dish 7 that spouts, submergence rotary drum 8 is guaranteed to the inside water level of during operation device, directly strike rotary drum 8 from rotatory dish 7 spun air, do benefit to the rotation that drives rotary drum 8, the velocity of flow when conveniently reducing air escape, rotate the stirring through rotary drum 8 and returning face plate 9 simultaneously, guarantee air and water's intensive mixing, do benefit to going on of water straining, improve the effect and the efficiency of work, do benefit to the dust in the detach air, guarantee the clean health of room air, the effect of indoor environmental protection is improved, the security is increased, the comfort level of living environment is improved, guarantee the security, and convenient use.

1 inside drinking-water pipe 21 that is equipped with of purifying box, the drinking-water pipe 21 entry end is equipped with filter screen 24, the drinking-water pipe 21 entry end is served at 1 bottom of purifying box, the drinking-water pipe 21 exit end is equipped with shower 22, install water pump 23 on the drinking-water pipe 21, shower 22 sets up inside 1 top of purifying box, the during operation is taken out the water in the purifying box 1 through drinking-water pipe 21 and water pump 23, spray out through shower 22, the convenience is strained the exhaust air to water and is further sprayed, conveniently further dust in the air of detaching, avoid the dust to influence the safety of indoor environment, guarantee the clean health of indoor air, the effect of indoor environmental protection is improved, safety is increased, the comfort level of living environment is improved, and convenient use.

The heater 12 and the ultraviolet sterilizing lamp 26 are installed on the inner wall of the top end of the purifying box 1, the heater 12 can be started according to actual conditions during working, exhaust air is conveniently heated through the heater 12 in cold winter, the stability of the exhaust air is guaranteed, the indoor temperature is increased favorably, the indoor proper living environment in winter is favorably realized, the safety is guaranteed, and the use is facilitated. Meanwhile, the ultraviolet sterilizing lamp 26 can be turned on as required, so that the discharged air can be conveniently sterilized, bacteria, viruses and the like in the air can be killed, the harm to the health of people can be avoided, the appropriate living environment can be ensured, the environment-friendly effect can be increased, the safety can be ensured, and the use is convenient.

The inner wall of the top end of the purifying box 1 is provided with an air outlet hopper 13, the air outlet hopper 13 is connected with one end of an air outlet pipe 14, the other end of the air outlet pipe 14 is connected with 15 screw threads of a plurality of groups of air injection branch pipes, the air injection branch pipes 15 are convenient to install at each indoor position, the air after dust removal is convenient to discharge through the air outlet hopper 13 and the air outlet pipe 14 in the working process, the proper position in the air injection branch pipe 15 discharge chamber is favorable for guaranteeing the clean and sanitary of indoor air, the effect of indoor environmental protection is improved, the safety is improved, the comfort level of the living environment is.

Example two: install battery 17 on purifying box 1 on the basis of embodiment one, battery 17 and each electronic component electricity are connected, conveniently supply power for each electronic component, guarantee the normal work of each part, do benefit to going on of work, facilitate the use.

The scales are arranged on the freshener adding pipe 20, so that the amount of the added freshener can be conveniently controlled, the work is facilitated, the freshness of indoor air in the sprayed gas is ensured, the indoor air environment is ensured, and the use is convenient.

Rotatory dish 7 upper surface that spouts evenly is equipped with orifice 18, rotatory dish 7 lateral wall that spouts is equipped with jet-propelled return bend 19, the indoor air of during operation suction is through rotatory dish 7 blowout of spouting, some air spout from jet-propelled return bend 19 simultaneously, rotatory dish 7 that spouts under the drive of air current rotates, make the spun gas rotate, guarantee the intensive mixing of air and the inside water of device, do benefit to going on of water filtration, improve the effect and the efficiency of work, guarantee the security, facilitate the use.

The dust screen 25 can be dismantled to the branch 5 entry end of bleeding, and the massive rubbish etc. in the indoor air of suction are conveniently blocked to the dust screen 25, avoid it to block up the pipeline, guarantee the security of device work, facilitate the use.

The working principle of the invention is as follows: the water inlet pipe 16 of the invention can conveniently and timely supplement the water quantity in the device, ensure the water level with proper height in the device, facilitate the water filtration and dust removal of the sucked indoor air, ensure the safety, gather the water in the device through the water guide plate 2 after a period of time, and discharge the water from the water outlet pipe 3 through the sliding of the water guide plate 2, facilitate the replacement of the water in the device, ensure the safe operation of the water filtration, improve the working effect, facilitate the water replacement, facilitate the cleaning in the device, avoid the residue of water, dirt, impurities and the like in the device, ensure the cleanness of the device and facilitate the use safety of the device. When the low level sensor 10 measures the inside water level of device and crosses lowly, go out through low level sensor 10 transmission signal, make things convenient for people to control inlet tube 16 in time work, in time to carrying out the moisturizing to the device is inside, guarantee the normal of the inside water level of device, the safety of the work of making things convenient for the device goes on, does benefit to the use. When the water level in the device is too high, the excess water is discharged through the overflow pipe 11 and is discharged to the outside through the water outlet pipe 3, so that people can observe, the control valve of the water inlet pipe 16 is closed, the proper water level in the device is ensured, the removal of dust in indoor air is facilitated, the work effect and efficiency are improved, according to actual conditions and requirements, a proper amount and variety of cleaning agents are added into the device through the freshener adding pipe 20 to be mixed with the water in the device, the water filtering effect in the device is improved, meanwhile, the foreign flavor in the air is conveniently removed, the freshness of the air is ensured, the cleanness and the sanitation of the discharged air are facilitated, the proper indoor air environment is ensured, the use of the device is facilitated, the indoor environment-friendly effect is improved, the proper amount of air exhaust branch pipes 5 are selected according to the actual conditions, and the air exhaust branch pipes 5 are installed at various indoor positions, the air pump 6 is started when the air extractor starts working, indoor air is extracted through the air exhaust branch pipes 5 at all positions, the air is converged into the air exhaust pipe 4 through the air exhaust branch pipes 5, the indoor air is uniformly sprayed out through the rotary spraying disc 7, so that the indoor air and water in the device can be conveniently and fully mixed, water filtration of the indoor air is facilitated, dust in the air is removed, the cleanness and the sanitation of the indoor air are ensured, the indoor environment-friendly effect is improved, the safety is improved, the comfort level of a living environment is improved, the water level in the device is ensured to submerge the rotary drum 8 during working, the air sprayed out of the rotary spraying disc 7 directly impacts the rotary drum 8, the rotary drum 8 is favorably driven to rotate, the flow speed of the air during discharge is conveniently reduced, meanwhile, the rotary drum 8 and the turnover plate 9 are rotated and stirred, the air and the water are fully mixed, the water filtration is facilitated, the working effect and the, guarantee the clean health of room air, improve the effect of indoor environmental protection, increase the security, improve living environment's comfort level, guarantee the security, the during operation is taken out the water in purifying box 1 through drinking-water pipe 21 and water pump 23, spray out through shower 22, the convenience is filtered the exhaust air after the water further to spray, conveniently further detach dust in the air, avoid the dust to influence the safety of room environment, guarantee the clean health of room air, improve the effect of indoor environmental protection, increase the security, improve living environment's comfort level, during operation can open heater 12 according to actual conditions, conveniently heat the exhaust air through heater 12 when cold winter, guarantee the stability of exhaust air, do benefit to and increase indoor temperature, indoor suitable living environment winter, guarantee the security, facilitate the use. Meanwhile, the ultraviolet sterilizing lamp 26 can be turned on as required, so that the discharged air can be conveniently sterilized, bacteria, viruses and the like in the air can be killed, the harm to the health of people can be avoided, the proper living environment can be ensured, the environment-friendly effect can be increased, the air after dust removal can be conveniently discharged through the air outlet hopper 13 and the air outlet pipe 14 during the work, the air can be discharged from the proper indoor position through the air injection branch pipe 15, the cleanness and the sanitation of the indoor air can be favorably ensured, the indoor environment-friendly effect can be improved, the safety can be improved, the comfort level of the living environment can be improved, the storage battery 17 is electrically connected with each electronic element, the power can be conveniently supplied to each electronic element, the normal work of each component can be ensured, the work can be favorably carried out, the indoor air sucked during the work can be sprayed out through the rotary spray disk 7, meanwhile, some air is sprayed, make the spun gas rotate, guarantee the intensive mixing of the inside water of air and device, do benefit to going on that the water strained, improve the effect and the efficiency of work, guarantee the security, the convenience of dust screen 25 blocks down bold rubbish etc. in the indoor air of suction, avoids it to block up the pipeline, guarantees the security of device work, facilitates the use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The indoor dust safety purification equipment comprises a purification box (1) and is characterized in that a water inlet pipe (16) is arranged at the top end of the purification box (1), a water guide plate (2) is obliquely arranged at the bottom end of the purification box (1), a water outlet pipe (3) is arranged at the lowest end of the water guide plate (2), a control valve is arranged on the water outlet pipe (3), a freshener adding pipe (20) is arranged on the side wall of the purification box (1), the purification box (1) is communicated with an exhaust pipe (4), an air suction pump (6) is installed on the exhaust pipe (4), the outlet end of the exhaust pipe (4) is movably connected with a rotary spraying disc (7), the rotary spraying disc (7) is arranged inside the purification box (1), the inlet end of the exhaust pipe (4) is in threaded connection with a plurality of exhaust branch pipes (5), a rotary drum (8) is movably arranged inside the purification box (1), a plurality of turnover plates (9) are uniformly arranged on the outer wall of the, the inlet end of the water pumping pipe (21) is provided with a filter screen (24), the inlet end of the water pumping pipe (21) is provided with the bottom end of the purifying box (1), the outlet end of the water pumping pipe (21) is provided with a spray pipe (22), the water pumping pipe (21) is provided with a water pump (23), the spray pipe (22) is arranged inside the top end of the purifying box (1), the inner wall of the top end of the purifying box (1) is provided with a heater (12) and an ultraviolet sterilizing lamp (26), the inner wall of the top end of the purifying box (1) is provided with an air outlet hopper (13), the air outlet hopper (13) is connected with one end of an air outlet pipe (14), and the other end.

2. A device for safely purifying indoor dust according to claim 1, wherein a storage battery (17) is mounted on the purification box (1).

3. The indoor dust safety purifying apparatus as claimed in claim 2, wherein the freshener addition tube (20) is provided with a scale.

4. The indoor dust safety purification device according to claim 3, wherein the upper surface of the rotary spray disk (7) is uniformly provided with spray holes (18), and the side wall of the rotary spray disk (7) is provided with a jet elbow (19).

5. A safe indoor dust purifying apparatus as claimed in claim 4, wherein the inlet end of the air suction branch pipe (5) is detachably provided with a dust screen (25).

6. The indoor dust safety purification device according to claim 1, wherein the bottom end of the inner wall of the purification box (1) is provided with a low level sensor (10), the side surface of the upper part of the purification box (1) is connected with one end of an overflow pipe (11), and the other end of the overflow pipe (11) is communicated with the side wall of the water outlet pipe (3).

7. A device for the safe purification of indoor dust according to claim 1, wherein the rotary drum (8) is disposed directly above the rotary spray disk (7).