SBR+ artificial wetland combined treatment system for domestic sewage recycling

The invention provides an SBR+ artificial wetland combined treatment system for domestic sewage recycling. The system consists of an SBR treatment device and an artificial wetland treatment device; the SBR treatment device comprises an SBR tank, a water inlet system, an aeration system, a drainage system, a sludge discharge system and automatic control equipment; and the artificial wetland treatment device consists of a three-level side wetland bed, a natural reoxygenation tank and a stabilization pond. The SBR and artificial wetland combining technology has the advantages of two water treatment techniques. The SBR has the advantages of strong impact load resistance, high automatic control degree and simple operation; and the artificial wetland has the advantages of low operation cost, simple maintenance, ecological effect, greening function, and capacities of beautifying the environment and combining the residential landscape. Meanwhile, the SBR and artificial wetland combining technology ...

Steel structure elevator pit

The utility model provides a steel structure elevator pit, include the portion of building in, truss, pit bottom plate girder, pit bottom plate, go along with sb. To guard him material, auxiliary railbearing point, backbone bearing point, counterweight buffer bearing point, car buffering bearing point, through the traditional concrete raft board structure as the pit bottom plate that has adoptedtruss steel structural change, the problem on elevator pit must not -touch ground has been solved, floor area bottom the rational utilization elevartor shaft, and pass through the truss and build in at side wall of wellhole with embedded plate at side wall of wellhole, girder steel drawknot truss with the embedded plate welding, flange slab roof beam drawknot truss and crab -bolt anchor have realized respectively in three kinds of schemes of side wall of wellhole that the elevator is to the effect of elevator bottom plate pressure convert to the lateral wall when operating to solve the problemthat ...

Automatic escalator or moving walk with water conservancy diversion protective structure

The utility model discloses an automatic escalator or moving walk with water conservancy diversion protective structure, including skirting board, handrail area guide rail, handrail area and access &exit panel, handrail area guide rail is around establishing on the skirting board, handrail area cover establish on the guide rail of handrail area and with handrail area guide rail sliding connection, tip at the skirting board is equipped with water conservancy diversion protective structure, water conservancy diversion protective structure includes bottom plate, preceding guide plate, interior side flow guide plate and interior side shield, square on the handrail area, be equipped with one with the corresponding cowl of handrail rail, cowl and interior side shield fixed connection. The utility model discloses can prevent effectively that the handrail from carring over the entry out of and pressing from both sides people and foreign matter to can prevent that child from scrambleing and the ...

Integral type elevator car bottom

The utility model relates to an integral type elevator car bottom, it includes that strengthening rib at the bottom of car bottom board, the sedan -chair, buffering hit board, car bottom board strengthening rib, rear side crossbeam, front side crossbeam and frame lateral beam subassembly, car bottom board supports the bottom surface at the bottom of for the sedan -chair, supports bottom surface four sides tip and is connected with the car leg, the strengthening rib tiling is on car bottom board at the bottom of the sedan -chair, car bottom board upper end middle zone parallel arrangement havewith the sedan -chair at the bottom of the buffering that is connected of strengthening rib hit the board, car bottom board is equipped with the car bottom board strengthening rib with the clearance position that the rear side crossbeam is connected, front side crossbeam and the mutual parallel arrangement of rear side crossbeam strengthening rib vertically and horizontally staggered at the bottomof ...

Entry safety inspection device is carry over out of to integral type handrail

The utility model discloses an entry safety inspection device is carry over out of to integral type handrail, including access & exit rubber body, be equipped with several response button at access &exit rubber body's lateral surface, each response button is established ties together through the cable in proper order, in access & exit rubber body's the outside, corresponds each response button and is equipped with a vulcanie piece respectively, is equipped with elastic rubber block between two adjacent vulcanie pieces, be equipped with an elasticity rubber cover in vulcanie piece and elasticrubber block's the outside, elasticity rubber cover links to each other with access & exit rubber body. The utility model discloses can carry on detecting on every side to the handrail area all -roundly to overall stability is good, and the security is high, simple to operate, swift.

Buoyant box type steady-flow water outlet device of sewage treatment regulating pond

The invention relates to a buoyant box type steady-flow water outlet device of a sewage treatment regulating pond. The buoyant box type steady-flow water outlet device comprises a buoyant box, a water suction pipe, a pressure balancing pipe, a water delivery hose and the like. The buoyant box is formed by two isometric buoyant boxes which are connected with each other through a connecting piece. The water suction pipe is formed by a horn mouth and a straight pipe in a welding way and is provided with a movable fixing component. The pressure balancing pipe is a communicating pipe which stretches out of liquid surface. The water delivery hose is made of materials which can be freely bent. The two ends of the water delivery hose are provided with fixed connecting pieces. The water suction pipe is vertically connected with the buoyant box through the movable fixing component. The height of the water suction pipe can be adjusted according to water passing requirements and the caliber of the ...

Entry safety protection structure is carry over out of to handrail

The utility model discloses an entry safety protection structure is carry over out of to handrail, including access & exit rubber, handrail area and access & exit panel, be equipped with several response button at the lateral surface of access & exit rubber, the response button is carry over hand -hole a week out of around the handrail and is distributed, in the outside of access & exit rubber, correspond each response button and be equipped with a vulcanie piece respectively, be equipped with elastic rubber block between two adjacent vulcanie pieces, be equipped with an elasticity rubber cover in vulcanie piece and elastic rubber block's the outside, the inboard of access & exit panel is equipped with several screw rods, the one end and the welding of access & exit panel of screw rod, theother end are passed the back from access & exit rubber and are linked to each other with lock nut, be equipped with a pressure spring between access & exit rubber and lock nut. The utility model discloses ...

Automatic escalator with watertight fittings

Because automatic escalator uses in the public place, the clearance of waste water between through the automatic escalator step enters into step main wheel and step accessory whorl among the operational environment for the bearing of step main wheel and step accessory whorl is corroded by waste water, the automatic escalator of outdoor version especially, be in the operating condition who exposesto the sun and rain under, step main wheel and step accessory whorl receive rain corrosion for a long time, the very big life who has shortened step main wheel and step accessory whorl bearing. Therefore, the life that how to prolong the bearing of step main wheel and step accessory whorl is our present problem that meets. Life for the bearing of extension step main wheel and step accessory whorl,the utility model provides an automatic escalator with watertight fittings includes: middle part guide rail, flat bed portion guide rail, guide rail backup pad, skirt guard panel and curb plate.

Rope end combination structure with low elevator running space

The utility model discloses a rope head combination structure with low elevator running space, which is characterized by comprising a rope head plate, a lower connecting seat, an upper connecting seat, a rope head connecting seat and a rope head mounting wedge block, the lower connecting seat is mounted on the rope head plate and comprises two L-shaped plates, vertical sections of the L-shaped plates are oppositely arranged, and horizontal sections of the L-shaped plates are fixedly connected with the rope head plate; the upper connecting base is of an inverted-U-shaped structure, the openingend of the upper connecting base is sleeved with the lower connecting base, and the two side walls of the upper connecting base are connected with the vertical sections in a sliding fit mode. The openend of the upper connecting base is bent and extends to form a bent section, a guide screw is arranged between the bent section and the rope hitch plate, and the upper end of the guide screw penetrates ...

Integral type rail brackets

The utility model provides an integral type rail brackets, includes the car guide support, to a heavy rail brackets, car guide, to a heavy guide rail, its characterized in that, car guide support andto heavy as an organic wholeization of a rail brackets structure, rail brackets still includes support ins and outs, rail brackets main part and expanding bolt assembly, the car guide support includescar guide clamp plate, car guide fixing bolt subassembly, to heavy rail brackets including, to heavy guide rail clip, to a heavy guide rail fixing bolt subassembly. The beneficial effects of the utility model are that production is simple, the material uses less, simple to operate, with low costs, can also merge with the car guide support and to weighing rail brackets optimization, the reductionis welded, the spraying is polluted more than 20%, more than the improvement production efficiency 25%, and reduction well occupation space, easy to assemble, debugging to can save raw and other materials ...

Automatic escalator with cleaning device

At present, automatic escalator's handrail area cleaning work generally is that the manpower is regularly cleaned, waste time and energy and influence passenger's normal use, consequently, how to be the present problem that we meet to the automatic escalator handrail real -time self -cleaning in area. For the real -time self -cleaning in handrail area to automatic escalator, the utility model provides an automatic escalator with cleaning device includes: the cleaning device of setting on escalator truss.

Rope winding structure of elevator steel wire rope

The utility model discloses a rope winding structure of an elevator steel wire rope, which comprises a car arranged in a hoistway, a car rope hitch plate, a traction wheel, a guide wheel, a first counterweight wheel, a second counterweight wheel and a plurality of steel wire ropes, and is characterized in that two car top wheels are arranged at the top of the car, one end of each steel wire rope is fixed on the car rope hitch plate, and the other end of each steel wire rope is fixed on the traction wheel. The other end of the steel wire rope is divided into an odd number of steel wire ropes and an even number of steel wire ropes after bypassing the two car top wheels, the traction wheel and the guide wheel in sequence, and the two rows of steel wire ropes are vertically upward after bypassing the first counterweight wheel and the second counterweight wheel respectively and are fixed with a counterweight rope hitch plate; the first counterweight wheel and the second counterweight wheel are ...

High-speed tool steel wire vacuum heat treatment technique

Rocker string bag type grating slag removing machine in waste water treatment

The invention relates to a rocker string bag type grating slag removing machine in waste water treatment. The slag removing string bag device comprises parallel steel guide rails, a ground hanger rod and a steel string bag, wherein the steel string bag is manufactured by adopting metal grid bars with a certain interval and a frame according to slag removing requirements; the steel string bag is arranged on the parallel steel guide rails; and waste water passes through the steel string bag to achieve the purpose of intercepting and filtering to remove the slag. The steel string bag is lifted to the ground by the ground hanger rod to periodically clean the intercepted dirt in the string bag. The slag removing string bag device can realize the function of cleaning coarse dirt at the preceding stage in middle and small-scale waste water treatment plants, and can replace thick and thin grids arranged in the general waste water treatment plans. The device has good slag removing effect, simple ...

Buoyant box type steady-flow water outlet device of sewage treatment regulating pond

The invention relates to a buoyant box type steady-flow water outlet device of a sewage treatment regulating pond. The buoyant box type steady-flow water outlet device comprises a buoyant box, a water suction pipe, a pressure balancing pipe, a water delivery hose and the like. The buoyant box is formed by two isometric buoyant boxes which are connected with each other through a connecting piece. The water suction pipe is formed by a horn mouth and a straight pipe in a welding way and is provided with a movable fixing component. The pressure balancing pipe is a communicating pipe which stretches out of liquid surface. The water delivery hose is made of materials which can be freely bent. The two ends of the water delivery hose are provided with fixed connecting pieces. The water suction pipe is vertically connected with the buoyant box through the movable fixing component. The height of the water suction pipe can be adjusted according to water passing requirements and the caliber of the ...

Car elevator spandrel girder structure

The utility model relates to a car elevator technical field, concretely relates to car elevator spandrel girder structure. The utility model discloses car elevator spandrel girder structure, including two spandrel girders, first supporting seat, second supporting seat, third supporting seat, left deputy guide way, right deputy guide way and leading rail, left side deputy guide way and right deputy guide way are close to two side wall body of well respectively and set up relatively, top at left deputy guide way and right deputy guide way is equipped with the second supporting seat respectively, the both ends of two spandrel girders are connected in two ends of second supporting seat, wherein, are close to the interior side wall body's of well inboard spandrel girder and are connected through two first supporting seats and the interior side wall body of well, the position that takes over of leading rail setting spandrel girder outside the well, outside spandrel girder are passed through the ...

High-speed tool steel wire vacuum heat treatment technique

A seamless floor panel system for escalator or sidewalk

The utility model discloses a seamless floor plate system for an escalator or a sidewalk. The device comprises floor plates, trusses, comb tooth plates, comb tooth supporting plates and skirt guard panels, the outer sides of the two skirt guard panels are each provided with a gap protection plate, each gap protection plate comprises a vertical plate and a transverse plate, the transverse plates are fixedly connected with the comb tooth supporting plates, the vertical plates are in clearance fit with the skirt guard panels, and the gap protection plates are used for shielding gaps between the skirt guard panels and the comb tooth supporting plates. According to the utility model, the gap between the skirt guard panel and the comb tooth support plate is shielded by the gap protection plate;the gap between the gap protection plate and the skirt guard panel is not larger than 1 mm, in this way, foreign matter can be effectively prevented from entering the escalator through the gap betweenthe ...

Rocker string bag type grating slag removing machine in waste water treatment

The invention relates to a rocker string bag type grating slag removing machine in waste water treatment. The slag removing string bag device comprises parallel steel guide rails, a ground hanger rod and a steel string bag, wherein the steel string bag is manufactured by adopting metal grid bars with a certain interval and a frame according to slag removing requirements; the steel string bag is arranged on the parallel steel guide rails; and waste water passes through the steel string bag to achieve the purpose of intercepting and filtering to remove the slag. The steel string bag is lifted to the ground by the ground hanger rod to periodically clean the intercepted dirt in the string bag. The slag removing string bag device can realize the function of cleaning coarse dirt at the preceding stage in middle and small-scale waste water treatment plants, and can replace thick and thin grids arranged in the general waste water treatment plans. The device has good slag removing effect, simple ...