CN215142967U

CN215142967U - Efficient cleaning device for inclined tube of sedimentation tank

Info

Publication number: CN215142967U
Application number: CN202022936971.0U
Authority: CN
Inventors: 黄健榕; 李赟泽; 吴结春; 张雨; 蒋静
Original assignee: Jiangsu Tongyong Environment Engineering Co ltd
Current assignee: Jiangsu Tongyong Environment Engineering Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-12-14
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to the technical field of cleaning inclined pipes, in particular to a high-efficiency cleaning device for inclined pipes of a sedimentation tank, which stretches a plurality of groups of water spray pipes into the inclined pipes to clean up dirt attached to the inner side walls of the inclined pipes by using high-pressure water, and drives the plurality of groups of water spray pipes to move through the rotation of a plurality of groups of shift wheels, thereby improving the convenience of the cleaning device for the inner walls of the inclined pipes, and through arranging a plurality of groups of spray heads, water is uniformly sprayed to the periphery, the cleaning effect of the water spray pipes for the dirt on the inner walls of the inclined pipes is improved, the deposition of the dirt is reduced, the treatment effect of the inclined pipes for sewage is improved, and the practicability of the cleaning device is improved; including box, track, sweep, aversion wheel, slider, quick-witted case, first motor, lead screw, turn to device, distributive pipe, multiunit spray pipe, multiunit shower nozzle, water tank, hose and booster pump, be provided with the cavity in the box, be provided with the pipe chute in the cavity, the cavity top is provided with the opening, and the side of cavity is provided with water inlet and outlet, and the bottom of cavity is provided with the drain to opening, water inlet.

Description

Efficient cleaning device for inclined tube of sedimentation tank

Technical Field

The utility model relates to a abluent technical field of pipe chute especially relates to a high-efficient sedimentation tank pipe chute belt cleaning device.

Background

The high-efficiency cleaning device for the inclined tube of the sedimentation tank is an auxiliary device for cleaning the inclined tube of the sedimentation tank, and is widely used in the field of inclined tube cleaning; the existing high-efficiency sedimentation tank inclined tube cleaning device is found in use that plastic inclined tubes are made of three types, namely polypropylene, polyvinyl chloride and glass fiber reinforced plastic, and assembled inclined tubes and straight tubes, honeycomb inclined tube packing is mainly used for various sedimentation and sand removal effects, is the most widely adopted water supply and drainage engineering in nearly ten years and becomes a water treatment device, has the advantages of wide application range, high treatment effect, small floor area and the like, is suitable for water inlet sand removal, common industrial and domestic water supply sedimentation, sewage sedimentation, oil separation, tail tension concentration and the like, is suitable for new construction engineering, is also suitable for the reconstruction of the existing old tank, and can obtain good economic benefits, when the inclined tubes used in the existing high-efficiency sedimentation tank for sewage treatment are cleaned, the cleaning device is not convenient enough to clean the inner walls of the inclined tubes, and the cleaning effect of the inclined tubes is poor, so that more dirt is deposited in the inclined tubes, the sewage treatment effect is reduced, and the practicability of the device is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a stretch into the inclined tube with the multiunit spray pipe inside and utilize the water under high pressure attached dirt of inclined tube inside wall to clear up, shift the rotatory multiunit spray pipe shift position that drives through the multiunit, the convenience of improving means to inclined tube inner wall clearance, through setting up the multiunit shower nozzle, make water to even Europe injection all around, improve the spray pipe to inclined tube inner wall dirt cleaning performance, reduce the deposit of dirt, improve the treatment effect of inclined tube to sewage, the practicality of improving means's an efficient sedimentation tank inclined tube belt cleaning device.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device, including the box, the track, the sweep, the wheel that shifts, the slider, the machine case, first motor, the lead screw, turn to the device, the distributive pipe, the multiunit spray pipe, the multiunit shower nozzle, the water tank, hose and booster pump, be provided with the cavity in the box, be provided with the pipe chute in the cavity, the cavity top is provided with the opening, the side of cavity is provided with water inlet and outlet, the bottom of cavity is provided with the drain, and opening, water inlet, drain and drain communicate with each other in the cavity, the track bottom is connected with the box top, the sweep bottom is provided with multiunit rotatable wheel respectively, the multiunit wheel that shifts is installed on the top of track through rotating left and right side respectively, be provided with the cavity in the slider, the cavity is provided with the opening, the opening communicates with in the cavity, the machine case can slide from top to bottom and set up in the cavity, and down, and the machine case right-hand member passes opening and is fixed connection with the sweep left end, the top at quick-witted case is installed to first motor, the lead screw vertically sets up the bottom and rotatable setting at first motor in the cavity, and quick-witted case can reciprocate the suit on the lateral wall of lead screw, turn to the device right-hand member and be connected with the slider left end, it is connected with the distributive pipe top to turn to the device output, multiunit spray pipe input communicates with the distributive pipe respectively, multiunit shower nozzle cooperates respectively to install on the output of multiunit spray pipe, and be provided with the multiunit round hole on the lateral wall of shower nozzle, the round hole communicates with each other in communicating with the shower nozzle respectively in, the water tank bottom is connected with the sweep top, be provided with the cavity in the water tank, be provided with the water inlet in the cavity, the water inlet communicates with the cavity in, the hose input communicates with the cavity in, the hose output communicates with the distributive pipe, the top at the sweep is installed to the booster pump, and the booster pump output communicates with in the cavity.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device, still include multiunit blow off pipe, multiunit second motor, multiunit pivot, multiunit scraper blade, multiunit helical blade and multiunit control flap, the bottom of cavity is provided with the inclined plane of multiunit blowdown, multiunit blow off pipe top is connected with the bottom of box respectively and communicates with each other with the cavity drain, multiunit second motor is installed respectively in the bottom of blow off pipe, multiunit pivot is rotatable setting respectively in the blow off pipe, the bottom of multiunit pivot is connected with the top of multiunit second motor respectively, the top of multiunit pivot is stretched into in the cavity respectively, the outer edge of multiunit scraper blade is connected with the lateral wall of multiunit pivot respectively, and the bottom of multiunit scraper blade pastes closely with the inclined plane of cavity bottom respectively, and multiunit helical blade installs respectively on the lateral wall of multiunit pivot and sets up inside the blow off pipe, and multiunit control flap sets up respectively on the lateral wall of multiunit blow off pipe and with the intraductal intercommunication of blow off.

The utility model discloses an efficient sedimentation tank pipe chute belt cleaning device still includes aeration pipe, draught fan and check valve, and the aeration pipe output transversely sets up in the cavity and sets up in the below of pipe chute, and the draught fan is installed on the lateral wall of box to draught fan output and aeration pipe input intercommunication, check valve intercommunication set up on the aeration pipe.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device still includes level sensor, level sensor install on the lateral wall of box and with the cavity indoor communicating with each other.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device still includes water quality monitoring appearance, and water quality monitoring appearance intercommunication sets up in cavity drain outlet department.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device still includes the observation window, the observation window setting on the lateral wall of box and with the indoor intercommunication of cavity.

Compared with the prior art, the beneficial effects of the utility model are that: when the inclined pipes in the cavity need to be cleaned, firstly, the interior of the cavity is pressurized by opening a booster pump, so that the injection pressure of water in the cavity is increased, the pressurized water enters the water distribution pipe through the conveying of a hose, the water is distributed through the water distribution pipe, so that the water is injected through the multiple groups of water spray pipes, the screw rod is driven to rotate by opening a first motor, the screw rod drives the steering device to move up and down through the case, the water distribution pipe is driven to move through the rotation of the steering device, the height positions and the injection angles of the multiple groups of water spray pipes are changed, so that the multiple groups of water spray pipes extend into the inclined pipes, dirt attached to the inner side walls of the inclined pipes is cleaned by using high-pressure water, the multiple groups of water spray pipes are driven to move through the rotation of the multiple groups of shifting wheels, the convenience of cleaning of the inner walls of the inclined pipes by the device is improved, the water is uniformly sprayed to the periphery through the arrangement of the multiple groups of spray nozzles, and the cleaning effect of the inner walls of the inclined pipes by the water spray pipes is improved, reduce the deposition of dirt, improve the treatment effect of the inclined tube on sewage, and improve the practicability of the device.

Drawings

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

Fig. 2 is an enlarged schematic structural diagram of the connection of the first motor with a lead screw and the like.

Fig. 3 is an enlarged schematic view of the connection of the shaft to the squeegee or the like.

Fig. 4 is an enlarged schematic structural view of the connection of an aerator pipe and an induced draft fan and the like.

In the drawings, the reference numbers: 1. a box body; 2. a track; 3. turning a plate; 4. a shift wheel; 5. a slider; 6. a chassis; 7. a first motor; 8. a lead screw; 9. a steering drive device; 10. a water diversion pipe; 11. a water spray pipe; 12. a spray head; 13. a water tank; 14. a hose; 15. a booster pump; 16. a blow-off pipe; 17. a second motor; 18. a rotating shaft; 19. a squeegee; 20. a helical blade; 21. a control valve; 22. an aeration pipe; 23. an induced draft fan; 24. a check valve; 25. a liquid level sensor; 26. a water quality monitor; 27. and (4) an observation window.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the utility model discloses a high-efficiency cleaning device for inclined pipes of a sedimentation tank, which comprises a box body 1, a track 2, a sweep 3, a shift wheel 4, a slide block 5, a machine case 6, a first motor 7, a lead screw 8, a steering device 9, a water distribution pipe 10, a plurality of groups of spray pipes 11, a plurality of groups of spray nozzles 12, a water tank 13, a hose 14 and a booster pump 15, wherein a cavity is arranged in the box body 1, the inclined pipes are arranged in the cavity, the top end of the cavity is provided with an opening, the side end of the cavity is provided with a water inlet and a water outlet, the bottom end of the cavity is provided with a sewage outlet, the opening, the water inlet, the water outlet and the sewage outlet are communicated with the cavity, the bottom end of the track 2 is connected with the top end of the box body 1, the bottom end of the sweep 3 is respectively provided with a plurality of groups of rotatable shift wheels 4, the plurality of shift wheels 4 are respectively installed at the top end of the track 2 through rotating and moving left and right, the cavity is arranged in the slide block 5, the opening is communicated with the inside of the cavity, the case 6 can be arranged in the cavity in a vertical sliding manner, the right end of the case 6 penetrates through the opening and is fixedly connected with the left end of the vehicle plate 3, the first motor 7 is arranged at the top end of the case 6, the lead screw 8 is longitudinally arranged at the bottom end of the first motor 7 and can be rotatably arranged in the cavity, the case 6 can be sleeved on the outer side wall of the lead screw 8 in a vertical moving manner, the right end of the steering device 9 is connected with the left end of the slider 5, the output end of the steering device 9 is connected with the top end of the water distribution pipe 10, the input ends of a plurality of groups of water spraying pipes 11 are respectively communicated with the water distribution pipe 10, a plurality of groups of spray heads 12 are respectively matched and arranged on the output ends of the plurality of groups of water spraying pipes 11, a plurality of groups of round holes are arranged on the outer side wall of the spray heads 12 and are respectively communicated with the inside of the spray heads 12, the bottom end of the water tank 13 is connected with the top end of the vehicle plate 3, a cavity is arranged inside of the water tank 13, a water inlet is arranged inside the cavity, the input end of the hose 14 is communicated with the cavity, the output end of the hose 14 is communicated with the interior of the water diversion pipe 10, the booster pump 15 is arranged at the top end of the vehicle plate 3, and the output end of the booster pump 15 is communicated with the cavity; when the inclined pipes in the cavity need to be cleaned, firstly, the inner part of the cavity is pressurized by opening the booster pump 15, so that the injection pressure of water in the cavity is increased, the pressurized water enters the water distribution pipe 10 through the conveying of the hose 14, the water is distributed through the water distribution pipe 10, so that the water is injected through the plurality of groups of water spray pipes 11, the first motor 7 is opened to drive the screw 8 to rotate, the screw 8 drives the steering device 9 to move up and down through the case 6, the water distribution pipe 10 is driven to move through the rotation of the steering device 9, so that the height positions and the injection angles of the plurality of groups of water spray pipes 11 are changed, so that the plurality of groups of water spray pipes 11 extend into the inclined pipes to clean dirt attached to the inner side wall of the inclined pipes by using high-pressure water, the plurality of groups of displacement wheels 4 rotate to drive the plurality of groups of water spray pipes 11 to move, the convenience of cleaning of the inner wall of the inclined pipes of the device is improved, and by arranging the plurality of groups of spray nozzles 12, the device has the advantages that water is uniformly sprayed all around, the cleaning effect of the spray pipe 11 on dirt on the inner wall of the inclined pipe is improved, the deposition of the dirt is reduced, the sewage treatment effect of the inclined pipe is improved, and the practicability of the device is improved.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device, still include multiunit blow off pipe 16, multiunit second motor 17, multiunit pivot 18, multiunit scraper blade 19, multiunit helical blade 20 and multiunit control flap 21, the bottom of cavity is provided with the inclined plane of multiunit blowdown, multiunit blow off pipe 16 top is connected with the bottom of box 1 respectively and communicates with cavity drain, multiunit second motor 17 is installed respectively in the bottom of blow off pipe 16, multiunit pivot 18 is rotatable setting up respectively in blow off pipe 16, the bottom of multiunit pivot 18 is connected with the top of multiunit second motor 17 respectively, the top of multiunit pivot 18 stretches into the cavity respectively, the outer edge of multiunit scraper blade 19 is connected with the lateral wall of multiunit pivot 18 respectively, and the bottom of multiunit scraper blade 19 is pasted tightly with the inclined plane of cavity bottom respectively, multiunit helical blade 20 is installed respectively on the lateral wall of multiunit pivot 18 and is set up inside blow off pipe 16, the plurality of groups of control valves 21 are respectively arranged on the outer side walls of the plurality of groups of sewage pipes 16 and are communicated with the insides of the sewage pipes 16; the dirt in the inclined tube falls to the bottom end of the chamber after being cleaned, the dirt is convenient to collect by arranging a plurality of groups of inclined planes, when the dirt at the bottom end of the chamber needs to be discharged, the second motor 17 is turned on to drive the rotating shaft 18 to rotate, so that the rotating shaft 18 drives the plurality of groups of scrapers 19 to scrape off the dirt on the inclined surface, the dirt falls into the sewage discharge pipe 16, the control valve 21 is opened to discharge the dirt in the sewage discharge pipe 16, and the plurality of groups of scrapers 19 are arranged, so that the convenience of cleaning the inclined surface dirt at the bottom end of the chamber is improved, the deposition of the dirt in the chamber is reduced, the dirt cleaning effect is improved, by arranging a plurality of groups of helical blades 20, the rotating shaft 18 rotates to drive the helical blades 20 to rotate so as to convey dirt in the sewage discharge pipe 16 downwards, thereby discharging the dirt in the sewage discharge pipe 16, preventing the dirt from blocking the sewage discharge pipe 16, improving the smoothness of the dirt discharge and improving the practicability of the device.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device still includes aeration pipe 22, draught fan 23 and check valve 24, and aeration pipe 22 output transversely sets up in the cavity and sets up in the below of pipe chute, and draught fan 23 is installed on the lateral wall of box 1 to draught fan 23 output and aeration pipe 22 input intercommunication, and check valve 24 intercommunication sets up on aeration pipe 22; through opening draught fan 23, make outdoor air carry to the aquatic in the cavity through aeration pipe 22 and make sewage aeration for the mobile speed of sewage in the cavity, thereby make sewage wash the dirt in the pipe chute, improve the convenience of dirt clearance in the pipe chute, reduce the deposit of dirt, improve the device practicality.

The utility model discloses a high-efficiency cleaning device for an inclined tube of a sedimentation tank, which also comprises a liquid level sensor 25, wherein the liquid level sensor 25 is arranged on the outer side wall of the box body 1 and is communicated with the inside of the chamber; through setting up level sensor 25, be convenient for measure the sewage liquid level in the chamber, improve the convenience that the liquid level was observed.

The utility model discloses a high-efficiency sedimentation tank inclined tube cleaning device, which also comprises a water quality monitor 26, wherein the water quality monitor 26 is communicated with and arranged at a cavity drainage port; through setting up water quality monitoring appearance 26, be convenient for monitor the sewage quality after handling, improve the emission quality detection convenience after sewage purification.

The utility model discloses a high-efficiency cleaning device for an inclined tube of a sedimentation tank, which also comprises an observation window 27, wherein the observation window 27 is arranged on the outer side wall of the box body 1 and is communicated with the chamber; through setting up observation window 27, improve the convenience that dirt deposit was observed in the cavity, be convenient for in time clear up the dirt, improve the convenience.

The utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device, it is at work, when needing to wash the pipe chute in the cavity, at first carry out the pressure boost to the cavity inside through opening booster pump 15, make the water in the cavity increase injection pressure, water after the pressurization passes through hose 14's transport and gets into in distributive pipe 10, through the reposition of redundant personnel of distributive pipe 10 to water, make water spray through multiunit spray pipe 11, drive lead screw 8 to rotate through opening first motor 7, make lead screw 8 drive turning device 9 through quick-witted case 6 and reciprocate, drive distributive pipe 10 through turning device 9 is rotatory, make the high position and the injection angle transform of multiunit spray pipe 11, thereby stretch into the inside pipe chute of multiunit spray pipe 11 and utilize the high pressure water to clear up the dirt that the pipe chute inside wall adheres to, fall to the bottom of cavity after the dirt clearance in the pipe chute is accomplished, through setting up multiunit inclined plane, be convenient for collect the dirt, when the dirt of cavity bottom is discharged to needs, it is rotatory to drive pivot 18 through opening second motor 17, make pivot 18 drive the dirt of multiunit scraper blade 19 on with the inclined plane and strike off, make the dirt fall to the blow off pipe 16 inside downwards, discharge the dirt in the blow off pipe 16 through opening control flap 21, then through opening draught fan 23, make outdoor air carry to the aquatic in the cavity through aeration pipe 22 and make sewage aeration, accelerate the flow velocity of sewage in the cavity, thereby make sewage wash the dirt in the inclined pipe.

The installation mode, the connection mode or the setting mode of the high-efficiency sedimentation tank inclined tube cleaning device of the utility model are common mechanical modes, and the cleaning device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a high-efficient sedimentation tank pipe chute belt cleaning device's first motor 7, turn to device 9, booster pump 15, second motor 17, draught fan 23, level sensor 25 and water quality monitoring appearance 26 for purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A high-efficiency cleaning device for inclined pipes of a sedimentation tank is characterized by comprising a box body (1), rails (2), a trolley board (3), displacement wheels (4), a slide block (5), a case (6), a first motor (7), a lead screw (8), a steering device (9), a water distribution pipe (10), a plurality of groups of water spray pipes (11), a plurality of groups of spray heads (12), a water tank (13), a hose (14) and a booster pump (15), wherein a cavity is arranged in the box body (1), the inclined pipes are arranged in the cavity, an opening is formed in the top end of the cavity, a water inlet and a water outlet are formed in the side end of the cavity, a sewage discharge outlet is formed in the bottom end of the cavity, the opening, the water inlet, the water outlet and the sewage discharge outlet are communicated with the cavity, the bottom end of the rails (2) is connected with the top end of the box body (1), a plurality of groups of rotatable displacement wheels (4) are respectively arranged at the bottom end of the trolley board (3), the plurality of displacement wheels (4) can be respectively moved left and right to be installed at the top end of the rails (2), a cavity is arranged in the sliding block (5), the right end of the cavity is provided with an opening, the opening is communicated with the cavity, the case (6) can be arranged in the cavity in a vertical sliding manner, the right end of the case (6) penetrates through the opening to be fixedly connected with the left end of the sweep (3), the first motor (7) is arranged at the top end of the case (6), the lead screw (8) is longitudinally arranged at the bottom end of the first motor (7) and can be rotatably arranged in the cavity, the case (6) can be sleeved on the outer side wall of the lead screw (8) in a vertical moving manner, the right end of the steering device (9) is connected with the left end of the sliding block (5), the output end of the steering device (9) is connected with the top end of the water diversion pipe (10), the input ends of a plurality of groups of water spraying pipes (11) are respectively communicated with the water diversion pipe (10), a plurality of groups of spray nozzles (12) are respectively matched and arranged on the output ends of a plurality of groups of water spraying pipes (11), and a plurality of circular holes are arranged on the outer side wall of the spray nozzles (12), the round holes are communicated with each other in the spray head (12) respectively, the bottom end of the water tank (13) is connected with the top end of the vehicle plate (3), a cavity is arranged in the water tank (13), a water inlet is arranged in the cavity, the water inlet is communicated with the cavity, the input end of the hose (14) is communicated with the cavity, the output end of the hose (14) is communicated with the interior of the water diversion pipe (10), the booster pump (15) is arranged at the top end of the vehicle plate (3), and the output end of the booster pump (15) is communicated with the cavity.

2. The efficient cleaning device for the inclined pipes of the sedimentation tank, as recited in claim 1, further comprising a plurality of groups of blow-off pipes (16), a plurality of groups of second motors (17), a plurality of groups of rotating shafts (18), a plurality of groups of scrapers (19), a plurality of groups of helical blades (20) and a plurality of groups of control valves (21), wherein the bottom end of the chamber is provided with a plurality of groups of inclined planes for blow-off, the top ends of the plurality of groups of blow-off pipes (16) are respectively connected with the bottom end of the tank body (1) and communicated with a blow-off port of the chamber, the plurality of groups of second motors (17) are respectively installed at the bottom end of the blow-off pipes (16), the plurality of groups of rotating shafts (18) are respectively rotatably arranged in the blow-off pipes (16), the bottom ends of the plurality of groups of rotating shafts (18) are respectively connected with the top ends of the plurality of second motors (17), the top ends of the plurality of rotating shafts (18) are respectively extended into the chamber, the outer edges of the plurality of scrapers (19) are respectively connected with the outer side walls of the plurality of rotating shafts (18), and the bottom of the multiple groups of scraping plates (19) is respectively attached to the inclined plane at the bottom of the cavity, the multiple groups of helical blades (20) are respectively installed on the outer side wall of the multiple groups of rotating shafts (18) and are arranged inside the sewage discharge pipe (16), and the multiple groups of control valves (21) are respectively arranged on the outer side wall of the multiple groups of sewage discharge pipes (16) and are communicated with the inside of the sewage discharge pipe (16).

3. The efficient cleaning device for the inclined tube of the sedimentation tank, according to claim 2, is characterized by further comprising an aerator tube (22), an induced draft fan (23) and a check valve (24), wherein the output end of the aerator tube (22) is transversely arranged in the chamber and below the inclined tube, the induced draft fan (23) is arranged on the outer side wall of the box body (1), the output end of the induced draft fan (23) is communicated with the input end of the aerator tube (22), and the check valve (24) is communicated with the aerator tube (22).

4. An efficient cleaning device for inclined pipes of a sedimentation tank according to claim 3, further comprising a liquid level sensor (25), wherein the liquid level sensor (25) is installed on the outer side wall of the tank body (1) and communicated with the chamber.

5. The efficient cleaning device for the inclined tube of the sedimentation tank as claimed in claim 4, further comprising a water quality monitor (26), wherein the water quality monitor (26) is communicated with and arranged at the drainage port of the chamber.

6. An efficient cleaning device for inclined tubes of a sedimentation tank, as claimed in claim 5, further comprising an observation window (27), wherein the observation window (27) is provided on the outer side wall of the box body (1) and communicates with the chamber.