67results about How to "Avoid pipe bursts" patented technology

The invention provides an AOD convertor flue gas waste heat recovery apparatus comprising a high-temperature flue gas evaporation cooling part and a low-temperature flue gas waste heat recovery part. The high-temperature flue gas evaporation cooling part comprises a fire hole fixed segment smoke canal, a middle I segment smoke canal, a middle II segment smoke canal, a middle III segment smoke canal, an end segment smoke canal and a steam dome which are communicated one by one, and the middle I segment smoke canal, the middle II segment smoke canal, the middle III segment smoke canal, the end segment smoke canal, the steam dome and the ascending pipe and the corresponding descending pipe which are communicated with the upper side thereof together form a natural cycle system; the low-temperature flue gas waste heat recovery part comprises a pre-heater, a heat exchanger, a coal economizer, a deaerator and a water supply pump, wherein, the pre-heater and the deaerator form a natural loop through the connected ascending pipe and descending pipe for heating and deoxidizing the water in the deaerator and saving the steam consumption, the deoxidized water is then pumped by the water supply pump to the steam dome through the coal economizer, therefore, smoke temperature can be reduced sufficiently and heat can be recovered, in addition, because no recirculating pump is added to the heat exchanger singly, the electrical energy is saved.

The invention discloses a plastic composite pipe. The plastic composite pipe comprises an outer pipe and an inner pipe. Arc grooves are formed in the inner side of the outer pipe. Arc protruding parts are arranged on the outer side of the inner pipe. The arc protruding parts are arranged in the arc grooves. The thickness ratio of the outer pipe and the inner pipe is 1:1. According to the plastic composite pipe, through the inner pipe made of a polypropylene material, the composite pipe is very high in plasticity and has certain flexibility, the high pressure in the water pipe can be resisted, and the phenomenon of pipe blasting is effectively prevented; the manufacturing cost of the composite pipe is reduced due to the fact that the outer pipe is made of a polyvinyl chloride material; and the arc protruding parts are designed on the inner pipe, and therefore the inner pipe and the outer pipe are perfectly bonded together.

The invention relates to a novel sewage treatment filter and a sewage treatment filtering process. The filter comprises a shell, a hooking frame, a large particle filtering device, a connecting sleeveand a small particle filtering device. The hooking frame is arranged at the front end of the interior of the shell, the large particle filtering device is arranged at the rear end of the interior ofthe shell, the rear end of the shell is connected with the connecting sleeve in a threaded fit mode, and the small particle filtering device is arranged in the connecting sleeve. According to the invention, the problem that cotton wool and granular impurities in sewage can be blocked to one place at the same time and blockage is caused due to the fact that the existing sewage filtration is mostlysingle filtration can be solved, and the problem that most of the existing filtering equipment is fixedly connected and is difficult to disassemble, so that the blockage position is difficult to cleanand the sewage can hardly circulate after long-time use can be solved.

The invention relates to a circulating fluidized bed hot-water boiler free of abrasion and corrosion, and relates to a circulating fluidized bed hot-water boiler. The circulating fluidized bed hot-water boiler solves the problem that pipe burst is generated because the heated surface of a boiler is reduced in thickness by suffering from the abrasion and the corrosion since fuel coal generates a high-temperature flue gas when being combusted in a furnace body, the flue gas contains sulfides, high-temperature high-pressure fuel particles and dust and the flue gas generate great impact accompanied by invasion, namely high-temperature oxidation, fly ash erosion and low-temperature dew-point corrosion, on the heated surface of a boiler in a boiler body in the using process of the traditional high-capacity circulating fluidized bed hot-water boiler. The circulating fluidized bed hot-water boiler free of abrasion and corrosion comprises a hearth, a water-cooled wall, a flue, a coal economizer cladding tube, a coal economizer, an air preheater, a plurality of pins, a plurality of clasp nails, a plurality of steel grids, composite material refractory concrete and an anti-abrasion cover. The circulating fluidized bed hot-water boiler disclosed by the invention is used for industrial and agricultural heating and urban centralized heating.

The invention discloses a plastic composite pipe which comprises an outer pipe and an inner pipe. An arc groove is formed in the inner side of the outer pipe, an arc projection is arranged on the outer side of the inner pipe and placed in the arc groove, and the thickness ratio of the outer pipe to the inner pipe is 1:1. The inner pipe is made of polypropylene materials, so that the composite pipe is high in plasticity, has a certain flexibility and can resist high pressure in a water pipe, pipe burst is effectively prevented, the outer pipe is made of polyvinyl chloride materials, the manufacturing cost of the composite pipe is reduced, and the inner pipe and the outer pipe are perfectly adhered together by designing the arc projection on the inner pipe.

The invention relates to a full-automatic pressure bearing pressure-free operation system of a heat storage water tank of a water heater. The system comprises the heat storage water tank, and the outside of the heat storage water tank is connected with a cold water inlet channel and a hot water outlet channel. The system is characterized in that a normally closed solenoid valve is arranged on the cold water inlet channel; the hot water outlet channel is sequentially connected with a pressure relief pipeline in parallel, a one-way valve in series and a pressure switch in parallel in the water flowing direction; a normally opened solenoid valve is arranged on the pressure relief pipeline. The system has the beneficial effects that the interior of the heat storage water tank does not bear high pressure any more when water inside the heat storage water tank is not used; the explosion phenomenon of a tank-free solar vacuum pipe is effectively prevented; the phenomena of fatigue, corrosion and breakdown leaking of the heat storage water tank of the water storage type water heater are effectively solved; the pressure and water relief amount is reduced; the occurrence rate of flood is reduced; the frequency of electric leakage accidents is reduced; safety performance is improved.

The invention provides a spray control device. The device comprises a storage container, spray branches, drive pumps communicated with the storage container and the spray branch as well as a control unit, wherein after two or more drive pumps are combined, branches are communicated with one or more spray branches; the control unit controls the work state of one or more drive pumps according to flow control information to control the flow of a fluid flowing through the spray branches. The connecting mode of the drive pumps and spray structures is changed on the basis that the number of existingdrive pumps and spray structures is not changed, so that multiple drive pumps can convey liquids to the same spray structure simultaneously, the flow range sprayed by the spray structures is enlarged, the flight speed of an unmanned aerial vehicle is increased, the flow of the spray structures can be increased, the dosage in unit area can reach a target value in the high-speed flight state of theunmanned aerial vehicle, the economic cost is saved, and the operation efficiency of unmanned aerial vehicle plant protection is improved.

The invention relates to a solar vacuum tube heat collector shading device and a solar water heater. The shading device comprises a vacuum tube collector and a shading mechanism arranged on the vacuumtube collector; the vacuum tube heat collector comprises a heat collector framework and a plurality of heat collecting tubes which are arranged on the heat collector framework side by side; the shading mechanism comprises an arc-shaped shading plate arranged on each heat collecting tube, and shading rotating structures connected with the shading plates; and each shading rotating structure comprises a first rotating wheel and a second rotating wheel which are arranged at the two ends of the heat collecting tubes in a rotating mode correspondingly, and the two ends of the shielding plates are connected to the first rotating wheels and the second rotating wheels. According to the scheme, when the non-heating season or the water heater is idle or the heat collection circulation is abnormal, the use safety of the solar vacuum tube heat collector or the water heater can be guaranteed.

The invention discloses amountain forestfirefightingvehicle with high-pressure and low-pressure water supply pumps, which comprises a vehicle body and a fire extinguishing device, the vehicle body comprises a cab, a chassis, and a carriage, wherein the chassis islocated behind the cab and connected with the cab, and the carriage is located on the chassis and detachably connected with the chassis;the fire extinguishing device is arranged in the carriage andcomprises a water storage tank, a low-pressure water supply pump, a high-pressure water supply pump, wherein the low-pressure water supply pump and the high-pressure water supply pump are connected with the water storage tank, a first control solenoid valve is arranged on the low-pressure water supply pump,a second control solenoid valveis arranged on the high-pressure water supply pump, and the first control solenoid valve is connected with the second control solenoid valve. The mountain forest firefighting vehicle with the high-pressure and low-pressure water supply pumps is suitable for fire in various situations and is particularly suitable for the fire in a forest, the problems of difficult water taking and short water taking distance of a traditional firefighting vehicle are overcome, and the power is reliable.

The invention discloses a one-in two-out adjustable recycle device. The recycle device comprises a dipleg communicated with a lower part of a cyclone separator, and left and right fluidized air chambers, left and right recycle air chambers, and left and right aeration air chambers arranged at the lower part of the dipleg. A high-temperature superheater is arranged in the right fluidized air chamber. When a boiler operates in a rated load or overload mode, aeration air and recycle air at one side arranged with the high-temperature superheater are turned on, the high-temperature superheater and flowing high-temperature solid material exchange heat, and then the material subjected to heat exchange returns to a hearth via a material-returning pipe for recycling. When the boiler operates in an underload mode, the aeration air and recycle air at the other side without arranging the high-temperature superheater are turned on, and the high-temperature solid material returns to the hearth via the fluidized air chamber at the other side without arranging the high-temperature superheater and the material-returning pipe for recycling, thus, the high-temperature solid material doesn't exchange heat with the high-temperature superheater at the underload, to thereby prevent pipe explosion of the high-temperature superheater.

The invention discloses a hydraulic type high-stability rubber pipe joint, and belongs to the field of pipe joints. According to the hydraulic type high-stability rubber pipe joint, through the arrangement of a hydraulic variable pipe, when fluid passes through, the hydraulic variable pipe extrudes a rubber pipe and expands towards the inner wall of an outer sleeve shell under the action of fluid pressure, an outer top ring wedge extrudes the rubber pipe, at the moment, the rubber pipe is locally deformed and falls into a corresponding concave ring wedge groove, connection between a fastening rubber pipe and the connector is extruded through the pressure of the fluid, the effect that the connection stability between the fastening rubber pipe and the connector is higher along with the increase of the liquid pressure is achieved, compared with the prior art, the situation that the connector is loosened due to liquid impact force is effectively avoided, in addition when the rubber pipe and the connector are accidentally loosened, the sealing performance is weakened, part of the fluid permeates into an early warning ring groove along a liquid guide layer, the color of a developing point is changed, therefore early warning is conducted on workers, and the occurrence rate of the pipe explosion phenomenon is reduced through timely maintenance.

A solar water heater adopts a pressure-bearing water tank and a vacuum heat-collecting pipe and it is characterized by setting a metal heat-conducting bar. The insert section in the upper part of the metal heat-conducting bar is plugged in the inner container of the water tank and the extension section in the lower part of the metal heat-conducting bar is plugged in the vacuum heat-collecting pipe. The inserting mouth of the metal heat-conducting bar on the inner container of the water tank forms a plugging and the mouth of the vacuum heat-collecting pipe is disposed in the insulating layer of the pressure-bearing water tank and in the preset mouth of the casing.

The invention relates to a drainage method for a heavy-caliber oil-gas pipeline used for paving in high-fall areas after pressure testing, which aims at solving the problem of pipeline burst caused by water attack in the drainage process of the oil-gas pipeline. The technical scheme is that the drainage method comprises the steps of firstly, selecting the model of an air compressor according to fall of a laid pipeline and the diameter of the pipeline; installing a pressure gauge and a high-pressure gate valve A connected with a drainage pipe on a pressure testing sealing head A at a drainage end of a main pipeline; enabling a pressure testing sealing head B at the other end of the main pipeline to be connected with a high-pressure gate valve B and then connected with the air compressor, wherein a pipe clearing device is arranged in the pressure testing sealing head B at this time; starting up the high-pressure gate valve A to carry out natural drainage, starting up high-pressure gate valve B when the pressure descends to early warning pressure, and starting up the air compressor to enable the pipe clearing device to clear away water; shutting down the high-pressure gate valve A when the pressure descends to the early warning pressure, stopping drainage, starting up the high-pressure gate valve A again when the pressure rises to safe drainage pressure, and continuing to clear away the water; and repeating the processes until finish. The drainage method can effectively prevent the pipeline burst, and is simple in structure and convenient in operation.

The invention discloses a fully automatic building rainwater film separating and intelligent feedback back flushing system. The fully automatic building rainwater film separating and intelligent feedback back flushing system comprises a roofing, a draining pipe, an impeller waste flow device, a sewerage pipe, a full flow energy storing device, a rainwater film separating device, an intelligent feedback back flushing device and a water storing device, wherein a filter net and the roofing are leveled and located directly above the draining pipe; the draining pipe is connected with the impeller waste flow device, and a waste flow pipe is arranged on the impeller waste flow device and is connected with the sewerage pipe; the full pipe energy storing device is mounted on the draining pipe, andwater flows filling the pipe can be guaranteed to enter the rainwater film separating device; and the intelligent feedback back flushing device and the rainwater film separating device are in mutual connection and cooperation for use, and finally, rainwater filtered by the rainwater film separating device is transmitted to the water storing device through the draining pipe. The fully automatic building rainwater film separating and intelligent feedback back flushing system realizes multiple functions of separating and purifying of roofing rainwater, rainwater storage and the like, so that thepurpose of high-quality rainwater is realized. The entire system is small in size, high in security coefficient and simple in structure, has an intelligent back flushing function, and is suitable forbeing promoted extensively.

The invention discloses a pneumatic ultrahigh-pressure intelligent grouting system. The system comprises a central control unit, a slurry preparation unit, a grouting unit and a detection unit. The slurry preparation unit comprises an integrated slurry preparation barrel, a thick slurry storage barrel, a pneumatic thick slurry valve and a pneumatic clean water valve arranged on a water inlet pipeline of the integrated slurry preparation barrel; the grouting unit comprises a pneumatic grouting pump, a high-pressure valve, a slurry inlet flow meter, a slurry return flow meter, a grouting pipeline for connecting a slurry outlet of the integrated slurry preparation barrel and a grouting hole of a working face, and a slurry return pipeline for connecting a slurry return opening of the integrated slurry preparation barrel and the grouting hole of the working face; the detection unit comprises a pressure sensor, a lifting detector, a density sensor and a temperature sensor arranged in the integrated slurry preparation barrel; and the central control unit is in circuit connection with the detection unit, the pneumatic thick slurry valve, the pneumatic clean water valve, the pneumatic grouting pump, the high-pressure valve, the slurry inlet flow meter and the slurry return flow meter. Through the design, accurate control over slurry preparation and grouting is facilitated, the phenomenon of pipe explosion of a grouting pipeline is avoided, the safety of electric shock prevention of operators is improved, power energy consumption is reduced, and meanwhile the intelligent level of slurry preparation and grouting of the grouting system is also improved.

The invention discloses an anti-explosion electric heating tube. The anti-explosion electric heating tube comprises one or more electric heating tube components, a micro magnetic stirring apparatus and a flange. A medium can be stirred by the micro magnetic stirring apparatus to be heated uniformly, so that a tube explosion phenomenon caused by too much heat accumulation of the electric heating tube components due to overhigh partial heating speed on the medium can be avoided.

The invention relates to a solar water heater control system and a control method thereof. The control system comprises a solar water heater, a heat preservation device, a water supplementing device,an air source heat pump and a controller; the heat preservation device is connected with the solar water heater through a first pipeline, and a first electromagnetic valve is arranged on the first pipeline; the water supplementing device is connected with a first water supplementing pipeline and a second water supplementing pipeline, the first water supplementing pipeline is connected with the solar water heater and provided with a second electromagnetic valve, and the second water supplementing pipeline is connected with the heat preservation device and provided with a third electromagnetic valve; the air source heat pump is connected with the heat preservation device through a heating pipeline; and the controller is connected with the air source heat pump, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve. According to the solar water heater control system, the functions and the application range of the solar water heater are greatly expanded, and the solar water heater control system has wide application prospects.

The invention provides a pressure-bearing pipeline for water transportation and distribution and a preparation method, and belongs to the field of pipelines, the pressure-bearing pipeline for water transportation and distribution comprises a steel cylinder concrete pipe body, a basalt fiber composite rib is spirally wound on the outer ring of the steel cylinder concrete pipe body, and protective layers are arranged on the outer ring of the basalt fiber composite rib and the end of the steel cylinder concrete pipe body; the two ends of the steel cylinder concrete pipe body are of bell and spigot structures, the basalt fiber composite bars are fixed to one end of the pipe core through the anchoring system, and the basalt fiber composite bars meeting the tension requirement are evenly and spirally wound on the outer side of the pipe core through the pipe core rotating and lifting device. The use safety performance of the pipe is greatly improved, and the quality risks that prestressed steel bars are prone to corrosion and hydrogen embrittlement corrosion and the like are solved.

The invention belongs to the field of composite pipe. An insulation pipe sequentially comprises a nanometer silver coating layer, a porous silicone tube, a stainless steel pipe, a high temperature resistance fiber felt, a sodium silicate insulation pipe, a polyurethane foaming layer, a carbon steel layer and three PE coating layers from outside to inside; a positioning ring is arranged between thecarbon steel layer and the stainless steel pipe; the outer wall of the positioning ring extends outwards to be formed with a plurality of positioning bosses; the positioning ring is fixedly connectedto the outer wall of the stainless steel pipe in a sleeving manner; and the outer walls of the positioning bosses are fixed to the inner wall of the carbon steel layer. A production method comprisesthe following steps of stainless steel pipe preparation, composite pipe A preparation, composite pipe B preparation, composite pipe C preparation, composite pipe D preparation, composite pipe E preparation, composite pipe F preparation, composite pipe G preparation and insulation pipe preparation. The prepared insulation pipe has the advantages of strong antibacterial property, strong impact resistance, good high temperature resistance, good insulation performance, difficulty in deformation damage, long service life and the like, can be rebounded to an original state after deformation with heating and does not influence normal use of a product.

The invention discloses a production method of a novel plastic composite pipe, which comprises the following steps: producing an inner pipe, clamping several positioning clamps on the outer surface of the inner pipe with an extrusion device; driven by a traction device, fitting the outer pipe on On the outer surface of the inner tube, the convex post on the positioning clip is stuck on the inner wall of the outer tube, and an annular channel is formed between the inner tube and the outer tube to obtain a composite tube with openings at both ends; hot melt glue is applied to the annular channel at one end of the composite tube , use the extrusion device to clamp the plastic cover into the closure; erect the composite pipe, place the closed end on the conveyor belt, and inject heat preservation material into the annular passage; apply hot melt glue to the annular passage at the other end of the composite pipe, and use extrusion The plastic cover is clamped and closed by a pressing device; the composite tube is ventilated and foamed, and placed at a constant temperature of 25-35°C for 6-10 hours to obtain a new type of plastic composite tube.

The invention discloses a firefighting fire extinguishing device. The firefighting fire extinguishing device comprises a water storage tank, a low pressure water supply pump connected with the water storage tank, and a high pressure water supply pump, wherein the low pressure water supply pump is provided with a first control electromagnetic valve, the high pressure water supply pump is provided with a second control electromagnetic valve, and the first control electromagnetic valve is connected with the second control electromagnetic valve. The firefighting fire extinguishing device is suitable for all common fire situations, and especially suitable for places that are not easily accessible by vehicles, the problems of the difficulty and short distance of water intake of traditional firefighting fire extinguishing equipment are solved, and power is reliable.

The invention discloses a mountain forest fire fighting truck which comprises a truck body and a fire-fighting fire extinguisher plant, wherein the truck body comprises a driving cab, a chassis behindthe driving cab and connected with the driving cab, and a carriage on the chassis and detachably connected with the chassis; the fire-fighting fire extinguisher plant is positioned in the carriage and comprises a storage water tank, as well as a low-pressure water supply pump and a high-pressure water supply pump connected with the storage water tank; a first control solenoid valve is arranged onthe low-pressure water supply pump; a second control solenoid valve is arranged on the high-pressure water supply pump;and the first control solenoid valve is connected with the second control solenoid valve. The mountain forest fire fighting truck is suitable for various common fire behaviour, particularly for mountain forest fire fighting, solves the problems that a common fire fighting truck has difficulty in water taking and is short in water taking distance and is reliable in power.

The invention relates to an intelligent electromagnetic heating type steam generator, which comprises multiple pipe bodies. The outside of each pipe body is sleeved with an electromagnetic heat generator, and the electromagnetic heat generator comprises an electromagnetic coil tube which sleeves the pipe body. The bottom of the multiple pipe bodies is communicated with a first water inlet pipe, one end of which is connected with two first water pump and the top of which is connected with a water outlet pipe. One side of the water outlet pipe, far from the first water inlet pipe, is provided with multiple steam outlets. The multiple pipe bodies are all connected with a same connecting pipe, the other end of which is connected with a second water inlet pipe. One end of the second water inletpipe, far from the connecting pipe, is connected with a second water pump. The intelligent electromagnetic heating type steam generator is environmentally-friendly and efficient, and has excellent heat insulation effect.

The invention discloses a body of an electric heating pipe, an electric heating pipe structure, and a manufacturing method. The body of the electric heating pipe comprises an integrated seamless tubular body provided with a hollow cavity and one open end. The periphery of the tubular body is provided with a heat dissipation structure. When the body of the electric heating pipe is used for manufacturing the electric heating pipe, a heating structure is disposed in the hollow cavity and the tubular body is a seamless integrated pipe body so that a good moisture-proof and explosion-proof effect can be achieved on the heating structure. The body of an electric heating pipe has reasonable design and good practicality and can be widely used in the market.

The invention provides a solar anti-explosion heat collecting pipe which comprises an inner-layer glass pipe and an outer-layer glass pipe. A vacuum layer is arranged between the inner-layer glass pipe and the outer-layer glass pipe. A short pipe made of an opaque insulation material is arranged at the bottom in the outer-layer glass pipe. The outer surface of the short pipe is tightly attached to the outer-layer glass pipe. The port of the short pipe is higher than the bottom of the inner-layer glass pipe. The short pipe contains mercury. The amount of mercury, the volume of the vacuum space above the port of the short pipe and the volume of the short pipe are in the following characteristic relation that when the temperature of the mercury is lower than 90% of the boiling point of liquid in the inner-layer glass pipe, the volume of the mercury is smaller than the volume of the short pipe; when the temperature of the mercury reaches the boiling point, the volume of the mercury is equal to the sum of the volume of the short pipe and the volume of the vacuum space above the port of the short pipe. By the adoption of the solar anti-explosion heat collecting pipe, the temperature in the pipe can be effectively prevented from being too high and the pipe explosion phenomenon is avoided.

The invention discloses a novel mountain forest fire extinguishing truck. The novel mountain forest fire extinguishing truck comprises a truck body, and a fire extinguishing device; the truck body comprises a cab, a chassis positioned behind the cab and connected with the cab, and a carriage positioned on the chassis and detachably connected with the chassis; the fire extinguishing device is positioned in the carriage; the fire extinguishing device comprises a water storage tank, a low-pressure water supply pump connected with the water storage tank, and a high-pressure water supply pump; a first control electromagnetic valve is arranged on the low-pressure water supply pump; a second control electromagnetic valve is arranged on the high-pressure water supply pump; and the first control electromagnetic valve is connected with the second control electromagnetic valve. The fire extinguishing truck is suitable for various common fire behaviors, in particular for mountain forest fire extinguishing, breaks through the problems of difficult water taking and short water taking distance in a traditional fire truck, and is reliable in power.

The invention discloses a blockage clearing device and boiler equipment, and relates to the technical field of boilers, the blockage clearing device comprises a boiler body, a combustion chamber is arranged in the boiler body, a fuel pipe is connected to the bottom of the combustion chamber, a combustion engine is mounted at the top of the combustion chamber, a water inlet pipe is arranged on the right side of the combustion engine, and a conveying pipe is connected to the interior of the combustion chamber; a filter box is installed on the opposite face of the conveying pipe, an inserting hole is formed in the filter box, and a filter screen frame is arranged in the filter box. According to the boiler, the boiler body, the unblocking box, the resin filter frame, the resin net, the movable plate and the sliding strip are arranged, the resin filter frame is operated to conveniently drive the resin net to move, calcium and magnesium ions in water can be removed through the resin net, and therefore the situation that scale is generated in a pipeline in the boiler body can be avoided; the heat transfer effect of the boiler is guaranteed, the phenomenon of pipe explosion of the boiler body is avoided, and the use performance of the boiler body is improved.

The invention discloses a copper powder collection and water recovery system of a polishing and brushing machine. The copper powder collection and water recovery system comprises a plurality of water-using polishing and brushing sections, a copper powder settling pond, a press filter, an overflow water centralizing pond, a lifting pump and a water storage bucket, the water-using polishing and brushing sections are connected with a water inlet of the copper powder settling pond through first pipelines respectively, an overflow port of the copper powder settling pond is communicated with a water inlet of the press filter, a water outlet of the press filter is communicated with the overflow water centralizing pond, a water outlet of the overflow water centralizing pond is communicated with a water inlet of the lifting pump, a water outlet of the lifting pump is communicated with the water storage bucket through a second pipeline, the water storage bucket and the water-using polishing and brushing sections are communicated through third pipelines respectively, a pipeline joint is arranged in each of the first pipelines and / or the second pipeline and / or the third pipelines, and each pipeline joint is a rubber flexible soft joint. By the copper powder collection and water recovery system, recovery of copper powder containing waste copper water and recycling of clean water can be realized, production cost is saved, pipeline design can be optimized, and pipeline tearing explosion is avoided.

The invention discloses an LED illuminating lamp with a replaceable device type LED driving power supply assembly. The LED illuminating lamp comprises a first connecting end, an LED illuminating lamp tube, a second connecting end and a replaceable protective shell. One end of the LED illuminating lamp tube is fixedly connected with the first connecting end, the other end of the LED illuminating lamp tube is fixedly connected with the second connecting end, and the replaceable protective shell is arranged at the lower end of the first connecting end. The LED illuminating lamp has the beneficial effects that when the LED driving power supply assembly is simply damaged or needs to be replaced after being used for a long time, the LED driving power supply assembly does not need to be manually taken out again, the LED driving power supply assembly can be conveniently and rapidly replaced, the convenience and rapidness of replacement of the LED driving power supply assembly are improved, when the LED driving power supply assembly is damaged and emits heat or a small part of the LED driving power supply assembly burns, the tube explosion phenomenon caused by too high temperature can be prevented, damage of high temperature to other mechanisms of the first connecting end can be prevented, the use safety of the LED illuminating lamp is improved, meanwhile, replaced parts of the LED illuminating lamp are reduced, and the replacement cost is reduced.