139results about "Vibration cleaning" patented technology

The utility model discloses a tubular flue gas cooler which comprises a flue gas inlet box, an inlet gas cooling tube bundle vertically connected to the bottom of the inlet gas box, a flue gas outlet box and an outlet gas cooling tube bundle vertically connected to the bottom of the outlet gas box, and the bottoms of the two tube bundles are communicated through an ash hopper to form a flue gas flow channel; a plurality of axial flow fans are arranged outside the flue gas flow channel, and air outlets of the axial flow fans are communicated with the outer wall space of the cooling tube bundle; a vibrating ash removal mechanism is arranged on the tube bundle; the axial flow fan and the temperature sensor group are interlocked to form a temperature adjusting assembly; and the vibration ash removal mechanism and the pressure transmitter group are interlocked to form a pressure difference response ash removal assembly. The air indirect cooling mode and the U-shaped flue gas flow channel design are adopted, forced convection heat exchange is conducted on the outer wall of the tube bundle through the variable-frequency axial flow fans, the moisture content and corrosivity of flue gas are prevented from being increased, and the cooling efficiency is improved by prolonging the residence time.

The invention discloses a self-vibration long-service-life turbolator, a heat exchanger and a design adjusting method. The turbolator comprises a spoiler and a spring, wherein the spoiler comprises a rigid support rod, spoiler teeth and a resistor. The heat exchanger comprises an inlet tube box, an inlet tube plate, a heat exchange tube, an outlet tube plate and an outlet tube box, and further comprises the self-vibration long-service-life turbolator. According to the design adjustment method, the design adjustment of the application is completed according to the vibration frequency and the amplitude for the turbolator. The heat exchanger has the beneficial effects that heat transfer can be effectively enhanced under the dynamic working conditions (such as vibration and rolling), the service life is longer, the adjustability is better, the applicability is wider, and therefore the requirements of the industrial heat exchanger for the efficient, stable and long-acting heat transfer technology are met.

The invention discloses waste heat resource recovery VOCs combustion purification treatment equipment, and belongs to the technical field of gas treatment.The waste heat resource recovery VOCs combustion purification treatment equipment comprises a mounting frame, three heat storage chambers used for alternately feeding gas, exhausting gas and cleaning ash are equidistantly mounted on the mounting frame, and combustion chambers communicated with one another are mounted among the top ends of the three heat storage chambers; according to the waste heat resource recovery VOCs combustion purification treatment equipment, an ash removal pipe is arranged, VOCs gas can be horizontally blown into an ash removal chamber, the VOCs gas flows through a cylindrical vibration column, the Karman vortex street effect is generated, the vibration column generates induced vibration in the vertical direction, and when the vibration column vibrates, a first telescopic air bag and a second telescopic air bag are driven to stretch out and draw back; and the second telescopic air bag can drive a cleaning brush to move when stretching out and drawing back, dust and impurities adhering to the bottom of the ceramic heat accumulator and the surface of the grid can be cleaned away when the cleaning brush moves, and the circulation effect of the ceramic heat accumulator on the VOCs gas is conveniently improved.

The utility model discloses building ventilation equipment capable of recovering heat, and relates to the technical field of building ventilation equipment, the building ventilation equipment comprises an air guide pipe and a heat exchange box, the heat exchange box is fixedly communicated with the top end of the air guide pipe, a heat exchange structure is arranged in the heat exchange box, a connecting plate is arranged in the heat exchange box, one side of the connecting plate is provided with a cleaning probe assembly, and the other side of the connecting plate is provided with a cleaning probe. A worm is engaged with a worm gear, the worm gear drives a rotating drum to rotate at the top of a heat exchange box, the rotating drum drives a disc to rotate, and a plurality of sliding blocks slide in a plurality of arc-shaped grooves correspondingly, so that the sliding blocks drive a plurality of abutting rods to move in the direction away from a fixing block, and a plurality of convex plates slide in a plurality of convex grooves correspondingly; and after the abutting rods are far away from the fixing block, the electric push rod is rotated, and when the placing block is opposite to the hole position of the placing groove, the electric push rod is lifted upwards, so that the electric push rod can be disassembled, and personnel operation is facilitated.

The invention discloses a device and a method for treating hexafluoropropylene coarse pyrolysis gas in a hexafluoropropylene preparation process, a quench cooler (1) is sequentially communicated with a carbon powder filter (2) and an external shell I (6), a spiral guide plate I (7) in the external shell I (6) is communicated with the external shell I (6), the spiral guide plate I (7) is communicated with a deacidification treatment unit (28), and the deacidification treatment unit (28) is communicated with a deacidification treatment unit (28). The deacidification treatment unit (28) is communicated with the gas outlet I (9) through a drainage pipe I (10), the dry-type deacidification device (3) is communicated with the external shell II (11), the spiral guide plate II (13) is communicated with the external shell II (11), the spiral guide plate II (13) is communicated with the dehydration treatment unit (29), the dehydration treatment unit (29) is communicated with the gas outlet II (24) through a drainage pipe II (14), and the dry-type deacidification device (3) is communicated with the gas outlet II (24) through a drainage pipe II (14). And the outer shell II (11) is communicated with the film coating powder remover (5). According to the invention, the hexafluoropropylene crude pyrolysis gas is effectively treated and collected.

The application discloses a calcium carbide furnace flue heat collection method, which comprises a waste heat evaporation tank, one end of the waste heat evaporation tank is connected with a calcium carbide furnace flue inlet pipe, the other end of the waste heat evaporation tank is connected with a calcium carbide furnace flue outlet pipe, the calcium carbide furnace flue inlet pipe and the calcium carbide furnace flue outlet pipe are connected through a porous jointer and a middle flue gas guide pipe, and the flue gas guide pipe is located in a water evaporation tank. The calcium carbide furnace flue heat collection method has the flue gas guide pipe located in the water evaporation tank, the flue gas guide pipe is subjected to a downward action when moving downward through the circumferential movement of a cam, moves downward, and moves upward through the elasticity of a corrugated expansion pipe along with the cam, so that the impact of the cam and the water impact in the water tank when the flue gas guide pipe moves and the vibration of the inner wall of the flue gas guide pipe can avoid dust in high-temperature flue gas remaining on the inner wall, achieve a cleaning effect and bring a better use prospect.

The invention relates to the technical field of boiler waste heat recovery, in particular to a heating boiler waste heat utilization device which comprises a bottom plate, a water tower is fixedly installed on one side of the bottom plate, and a combustion chamber is arranged at the bottom in the water tower. The device further comprises a base frame fixedly installed on the other side of the bottom plate, a waste heat recovery tank is fixedly assembled on the base frame, the top of the combustion chamber communicates with a smoke inlet pipe, the smoke inlet pipe penetrates through the top of the water tower and then communicates with a top cover of the waste heat recovery tank, and the smoke inlet pipe is used for introducing high-temperature smoke generated by the combustion chamber into the waste heat recovery tank for waste heat recovery. A circulating water pipe is mounted on the top cover. The angle-adjustable heat conduction copper sheet is arranged in the waste heat recovery tank, so that high-temperature flue gas forms spiral high-speed rotating flow in the tank, the contact time of the flue gas and a heat exchange surface is prolonged, the heat conduction mechanism can quickly conduct flue gas heat to the circulating water pipe, and the heat transfer efficiency is enhanced in cooperation with the multi-layer annular circulating water pipe structure; therefore, the overall waste heat recovery effect is obviously improved.

The invention discloses an automatic cleaning device for a heat exchanger. The automatic cleaning device comprises a box body, a plate heat exchanger, a sprayer, a PLC (Programmable Logic Controller), an air cylinder and an air distribution valve group, a plate heat exchanger is arranged in the box body, and a sprayer is arranged at the top of the plate heat exchanger; and during spraying and cleaning, the PLC controls the electromagnetic valve group to start the sprayers to perform spraying and cleaning. A plurality of sealing frames are arranged at the bottom of the plate heat exchanger, and cylinders and sealing plates are arranged at the bottoms of the sealing frames. During soaking and cleaning, the PLC controls the electromagnetic valve and the air distributing valve set to work, the sprayer injects cleaning liquid into the waste gas channel with the bottom sealed by the sealing plate, and automatic soaking and cleaning are carried out. The plate heat exchanger is automatically cleaned in a spraying and soaking mode, and the heat exchange efficiency of the plate heat exchanger is greatly improved.

The boiler for treating the silicon-containing waste gas comprises a vertical boiler body, a high-temperature cavity and a medium-low-temperature cavity are sequentially formed in the boiler body in the smoke flowing direction, and the high-temperature cavity and the medium-low-temperature cavity are vertically arranged side by side in the horizontal direction; the high-temperature cavity and the medium-low-temperature cavity are defined by membrane type walls, and shock wave soot blowers are arranged in the high-temperature cavity and the medium-low-temperature cavity. According to the boiler for treating the silicon-containing waste gas, sedimentation of silica fume is achieved through the membrane type wall and the shock wave soot blower, the silica fume is prevented from depositing and scaling in a high-temperature area, in addition, the membrane type wall and the shock wave soot blower adopt different silica fume removing modes, on the premise that a heated surface is not damaged, efficient removal of the silica fume in the boiler is completed, and the service life of the boiler is prolonged. And the membrane wall is matched with the shock wave soot blower to periodically carry out soot cleaning operation on the interior of the boiler and can be matched with the discharge valve to discharge silica fume, so that automatic soot cleaning is realized, and long-term stable operation of the boiler is ensured.

The utility model provides a kind of water tower packing cleaning device and the cooling tower with it, water tower packing cleaning device includes: at least two moving assemblies, each moving assembly is spaced apart on the cooling tower shell along the height direction of cooling tower, and each moving assembly is movably arranged along first preset direction;The moving direction of each moving assembly is perpendicular to the height direction of cooling tower;Each moving assembly is used to install packing assembly, to remove or move into the cooling tower shell by moving assembly corresponding packing assembly from the cooling tower shell;Cleaning assembly, at least part of cleaning assembly is arranged on each moving assembly, and cleaning assembly is used to clean the packing assembly on each moving assembly.The water tower packing cleaning device of the utility model is simple to operate, and can effectively solve the technical problem that packing in open cooling tower needs to be cleaned in the prior art, which needs to be stopped.

This invention discloses an energy-saving heat recovery heat exchanger, relating to the field of heat exchanger technology. It includes a positioning frame, a limiting plate with a hot solution inlet and outlet located on the same side as the cold solution inlet and outlet, a heat exchange plate slidably connected to a guide frame between a pressure plate and the limiting plate, a traction separation component connected to the guide frame on the outer side of the heat exchange plate, through holes on the heat exchange plate, and an adaptive vibration component at one end of the heat exchange plate. This invention uses a displacement and spacing unit to rotate the adjusting screw, keeping the traction wires between the threading blocks taut, thus equidistantizing the distance between adjacent heat exchange plates. However, the adjacent heat exchange plates remain sealed together by a sealing strip, allowing cleaning fluid to flow between the heat exchange plates for cleaning without disassembling them. This simple operation improves the cleaning efficiency of the heat exchange plates.

The invention discloses a new energy automobile electric drive oil cooler fin and relates to the technical field of heat exchange equipment, an oil cooler comprises a shell, a fin assembly and a vibration cleaning mechanism, the shell is defined by a vertical plate and a transverse plate which are oppositely arranged, an oil liquid channel is formed in the shell, the fin assembly comprises evenly-distributed cooling fins, and the vibration cleaning mechanism is arranged in the shell. The vibration cleaning mechanism is arranged in the shell and comprises a driving unit and a transmission assembly, the transmission assembly converts rotating motion of the driving unit into reciprocating vibration, the shell is vibrated through a cleaning collision plate so that dust on the surfaces of the fins can be automatically vibrated off, and the surfaces of the cooling fins are further provided with angle-adjustable flow guide mechanisms. According to the heat exchanger, in-situ self-cleaning of the fins is achieved, maintenance can be completed without disassembly, the heat exchange efficiency is effectively improved, and the service life is prolonged.

The invention provides a corrosion-resistant symmetrical flow channel plate heat exchanger, and relates to the field of plate heat exchangers, the corrosion-resistant symmetrical flow channel plate heat exchanger comprises a fixed clamping plate, a horizontal storage hopper and a shifting vibration mechanism, guide rods are fixedly mounted on the front side and the rear side of the top surface of the fixed clamping plate, and a movable clamping plate is arranged above the fixed clamping plate; a sleeve rod is fixedly connected to the top face of the movable clamping plate, a lifting threaded shaft is rotationally connected to the center of the top face of the movable clamping plate, and four sets of pipe connecting flanges are welded to the top of the movable clamping plate. After cleaning is finished, a hand wheel of the lifting speed reducer is reversely rotated to drive the movable clamping plate to reset, a user can directly assemble a nut of the clamping bolt back, the time for manually and completely disassembling and assembling the clamping bolt and the heat exchange piece in a traditional cleaning mode is saved, the cleaning efficiency is improved, and the problem that an existing plate heat exchanger is low in descaling efficiency is solved.

The application belongs to the refrigeration technical field, and specifically discloses a compact evaporator fin structure for an air source heat pump unit, which comprises fin plates and connecting pipes penetrating through the fin plates, support plates are detachably connected to the connecting pipes on the two sides of the fin plates, a plurality of fin plates are fixed on the connecting pipes through penetrating rods, the fin plate comprises a first plate body and a second plate body, the first plate body is seamlessly welded on the second plate body, a plurality of flow distribution blocks are fixed on the outer sides of the first plate body and the second plate body in the vertical direction, a baffle is fixed on the outer sides of the first plate body and the second plate body at the upper part and the lower part, and flow guide parts are arranged on the two sides of the flow distribution blocks. Through the synergistic effect of active frost inhibition and flow guiding, dust prevention and vibration ash removal dual self-cleaning of the structure, and multi-stage flow guiding for optimizing the flow field, the problems of frost formation, dust accumulation coupling and uneven flow field around the penetrating holes of the heat exchange pipes are effectively solved, and long-term and efficient heat exchange of the compact evaporator under the compact structure is realized.

The utility model discloses an energy -conserving high -efficient evaporimeter belongs to evaporimeter technical field, including the shell, the shell on the sliding installation has the mounting bracket, fixed mounting has the heat transfer pipeline on the mounting bracket, fixed mounting has the motor on the shell, the output fixed connection of motor has the screw sleeve, the screw sleeve has the reciprocating screw through screw block mechanical matching. The utility model discloses the rotation of screw sleeve makes reciprocating screw repeatedly moves up and down, in the process of moving, when gear no.

The utility model relates to an ascending pipe waste heat utilization device which comprises a heated section, a heat release section, a waste heat leading-out pipeline and a working medium leading-in pipeline. The heated section is composed of a lower collecting pipe, heat exchange vertical pipes and an upper collecting pipe, the multiple heat exchange vertical pipes are embedded in the pipe wall of the ascending pipe in the circumferential direction, and fins are arranged on one sides of the heat exchange vertical pipes; the heat release section is arranged in the furnace gas pipeline and consists of a plurality of annular finned tubes; one end of the annular finned tube is connected with the upper collecting tube through a waste heat leading-out pipeline, and the other end is connected with the lower collecting tube through a working medium leading-in pipeline; and a working medium inlet is formed in the waste heat leading-out pipeline close to the heat release section. The waste heat of the raw gas in the ascending pipe is recovered by the circulating working medium and used for heating the gas before entering the coke oven, so that the use amount of the heating gas of the coke oven can be effectively reduced, and the heat efficiency is improved; the ascension pipe waste heat utilization device is simple in structure and safe to use, molten salt is adopted as a working medium, an ultrasonic descaling device is arranged, and the inner wall of the ascension pipe is not prone to scaling.

The utility model discloses a coil pipe type pure steam generator which comprises a bottom plate and a furnace body located at the upper end of the bottom plate, a partition plate is arranged in the furnace body, a steam discharge pipe is fixedly connected to the partition plate, one end of the steam discharge pipe penetrates through the furnace body and extends to the outer side, and the other end of the steam discharge pipe is connected with an evaporation coil pipe. A transverse pipe is fixedly connected to one side of the furnace body, one end of the transverse pipe is connected with the evaporation coil, a motor is arranged on one side of the furnace body, the output end of the motor penetrates through the furnace body and is fixedly connected with a fixing rod, one end of the fixing rod is fixedly connected with a cam, an L-shaped plate is fixedly connected to the inner wall of the furnace body, and a limiting rod penetrates through the L-shaped plate; and a connecting plate is fixedly connected to one end of the limiting rod, a pair of springs is fixedly connected between the connecting plate and the L-shaped plate, a knocking block is fixedly connected to the other end of the limiting rod, and a rubber block is arranged on one side of the knocking block. By means of the device, cigarette ash and other solid particles on the evaporation coil can well fall off, and the trouble of manual cleaning is avoided.

The utility model provides a scaling-free high-efficiency electromagnetic heating device for an oil field. The scaling-free high-efficiency electromagnetic heating device comprises a tube bundle assembly, an electromagnetic heating unit, a mechanical vibration unit and a shell structure, the tube bundle assembly is formed by connecting a plurality of metal tubes, and a multi-channel fluid structure is formed. The electromagnetic heating unit is arranged outside the metal pipe and is used for heating the metal pipe so as to inductively heat fluid in the metal pipe; the mechanical vibration unit is fixedly connected to the tube bundle assembly and is used for applying mechanical vibration to the tube bundle assembly for descaling; the shell structure comprises an inlet end socket and an outlet end socket which are communicated with the two ends of the tube bundle assembly respectively and used for a fluid inlet and a fluid outlet in the tube bundle assembly. By means of the three-in-one design of efficient heating, active scale prevention and rapid overhauling, the industrial defects that in the prior art, energy consumption is high, scaling is prone to occurring, and maintenance is difficult are overcome, and the device has the advantages of being energy-saving, durable and economical and has wide application prospects in the fields of oil fields, chemical engineering and the like.

The present application relates to the technical fields of transformer oil heat exchanger, and discloses an iron-aluminum alloy fence type transformer oil heat exchanger, which comprises a transformer oil heat exchanger and a connecting pipe fixed at both ends of the transformer oil heat exchanger, the transformer oil heat exchanger has a plurality of connecting pipes, one end of the connecting pipe close to the transformer oil heat exchanger is connected with a solenoid valve, and the other end of the solenoid valve away from the transformer oil heat exchanger is fixed with a flange pipe, and the iron-aluminum alloy fence type transformer oil heat exchanger further comprises a pulling cleaning part arranged outside the plurality of transformer oil heat exchangers, a folding part arranged on the transformer oil heat exchanger and a hammering part penetrating through the pulling cleaning part, wherein the brush cleaning part drives the supporting guide and the knocking hammer arranged in the hammering part to move up and down between the plurality of transformer oil heat exchangers, and the knocking hammer reciprocally knocks the transformer oil heat exchanger in the moving process, so that the impurities and dirt are shaken off, and the outer surface of the transformer oil heat exchanger is continuously cleaned by the brush in the moving process, thereby reducing the cleaning difficulty.

This utility model relates to the field of heat exchanger technology, specifically disclosing a self-cleaning anti-scaling heat exchanger for mold temperature controllers. It includes a first frame plate, with mounting rods symmetrically installed on the inner side of the first frame plate. Several neatly arranged heat-conducting plates are mounted on the inner side of the first frame plate via the mounting rods. An ultrasonic descaling component is integrated into one side of each heat-conducting plate. The ultrasonic descaling component includes an integrated groove, a positioning groove, and an ultrasonic descaling mechanism. The integrated groove is located on one side of the heat-conducting plate, and multiple positioning grooves are formed on the inner wall of the positioning groove. The ultrasonic descaling mechanism is integrated inside the integrated groove. In this utility model, the ultrasonic descaling mechanism is encapsulated and integrated inside the integrated groove, thus integrating the ultrasonic descaling mechanism into the heat-conducting plate for use. The piezoelectric ceramic sheet inside the sealing layer is connected to an ultrasonic generator, utilizing electromagnetic induction to achieve energy conversion. This allows the piezoelectric ceramic sheet to convert high-frequency signals into mechanical vibrations, driving the heat-conducting plate to vibrate, thereby cleaning and removing scale from the outer side of the heat-conducting plate.

This utility model belongs to the field of heat recovery technology, specifically a heat exchanger with waste heat recovery, including a shell; multiple connecting pipes are fixedly connected to the side walls and bottom of the shell; a processing box is installed inside the shell; multiple heat exchange membranes are fixedly connected inside the processing box; the multiple heat exchange membranes divide the interior of the processing box into an exhaust channel and a recovery channel; a first fixing rod is fixedly connected inside the shell; a moving pipe is slidably connected to the middle of the first fixing rod; a connecting frame is fixedly connected to the bottom of the moving pipe; multiple pairs of scrapers are fixedly connected to the bottom of the connecting frame; the multiple pairs of scrapers are slidably connected to the exhaust channel separated by the heat exchange membranes; through the above structure, impurities attached to the surface of the heat exchange membranes can be cleaned in a timely manner during the process of recovering heat energy from the exhaust gas, reducing the occurrence of heat exchange effect reduction caused by impurity adhesion, thereby improving the waste heat recovery effect.

A caffeine intermediate rapid heat exchange cooling device comprises a heat exchange shell, partition plates arranged in a staggered mode are arranged in the heat exchange shell, a medium leading-in pipeline and a medium leading-out pipeline are arranged on the upper side and the lower side of the heat exchange shell respectively, and a cooling liquid leading-in channel and a cooling liquid leading-out channel are arranged on the side portion of the heat exchange shell in a matched mode respectively. A plurality of heat exchange sub-pipes are arranged in the heat exchange shell in a penetrating mode, the heat exchange sub-pipes penetrate through the partition plate, a middle body guiding-in cavity is formed in one side of each heat exchange sub-pipe, and a middle body guiding-out cavity is formed in the other side of each heat exchange sub-pipe; the two sides of the heat exchange sub-pipes are flexibly connected with the middle body leading-in cavity and the middle body leading-out cavity correspondingly, and shaking gaps are formed between the heat exchange sub-pipes and the partition plates. According to the heat exchanger, the heat exchange of caffeine intermediates arranged in the heat exchange sub-tubes is realized by adopting a baffling medium outside the heat exchange shell, and the heat exchange sub-tubes have certain shaking spaces, so that adhesion is not easy to occur, and the heat exchange efficiency is also improved.

The utility model discloses a refrigeration host computer, including condenser, this condenser is equipped with water inlet and drain, and the drain is equipped with filter mechanism, be equipped with ultrasonic generator in the condenser, and ultrasonic generator is through drive mechanism and condenser sliding connection. Through integrated ultrasonic generator and automatic filter mechanism, the cleaning efficiency of condensing pipe and the convenience of system maintenance have been improved significantly, and the ultrasonic generator can shake off the scale on the condensing pipe quickly, and its reciprocating movement ensures the uniform cleaning of each part of the condensing pipe, and the scale is removed thoroughly without dead angle, which not only guarantees the continuous heat exchange performance, improves the cooling efficiency of the equipment, but also prolongs the service life of the equipment.

A system and method for monitoring heat exchanger tube health without requiring the heat exchanger system to be shut down and disassembled and without operator intervention. At least one wireless sensor ball (WSB) assembly is positioned in the heat exchanger system. The heat exchanger system includes an ultrasonic acoustic receiver array mounted therewithin. WSB assembly information is gathered regarding status, operating condition, health, efficiency of the piping system, and / or, piping system health trends.

This invention discloses an alkali condensation assembly and method for an indigo production line, mainly relating to indigo production. It includes a triple-effect evaporator, a preheating pot connected to the triple-effect evaporator, and a heat exchange evaporator connected to the preheating pot via pipeline. The bottom of the heat exchange evaporator is located inside the furnace body. The heat exchange evaporator includes a heating section at the bottom, a heat exchange section in the middle, and a feeding section at the top. The top of the feeding section has an overflow outlet. The beneficial effects of this invention are: it concentrates the diluted alkali solution in the indigo production line by using different heat exchange media to progressively concentrate the alkali solution; the heat exchange evaporator uses the flue gas generated during combustion in the burner to further concentrate the alkali solution; and by utilizing the membrane evaporation principle, the heat exchange evaporator achieves higher evaporation efficiency when concentrating the alkali solution, and the evaporated steam in the solution is recovered and reused.

The utility model discloses a converter radiator deashing device, which comprises a mounting plate, comb sheets are uniformly distributed on one side of the mounting plate, a handle is arranged on the other side of the mounting plate, a power supply and a vibration motor for driving the handle to vibrate are arranged in the handle, and a switch for controlling the vibration motor to work is arranged on the handle. The ends, away from the mounting plate, of the comb pieces are provided with symmetrically-arranged protrusions, the comb piece at one end of the mounting plate is provided with a guide insertion plate connected with the protrusions, and the comb pieces are slidably sleeved with deviation rectifying sliding sleeves. According to the dust cleaning device for the converter radiator, the radiating holes of the radiator can be cleaned in a mode of inserting comb sheets and vibrating, and dust gathered at the inlets of the radiating holes can be cleaned, so that the radiating effect of the radiator on the converter is improved, the cleaning speed is high, the working efficiency is high, and the operation is convenient.

According to the cooling device for nitrogen purification, an ultrasonic descaling device is arranged at the bottom of a cooling box, and ultrasonic energy is spread in cooling liquid, so that impurities and a scale layer on the outer wall of a conveying pipe are broken and fall off, and therefore long-term accumulation of the impurities in the cooling liquid is prevented, and the good heat transfer effect of the surface of the pipeline is guaranteed; the service life of the equipment is prolonged; the heat exchange device adopts the combination of the circulating water pump and the heat exchanger, so that the cooling liquid can efficiently and circularly return to the cooling box after being cooled by the heat exchange device, and the energy conversion efficiency and the operation stability of the whole system are improved; the conveying pipe is of a snakelike pipeline structure, the contact area between the conveying pipe and cooling liquid can be further increased, cooling efficiency is improved, and meanwhile the influence of local temperature difference on the nitrogen cooling effect is reduced.

The present application relates to a kind of rotary air preheater corrugated plate ash removal effect evaluation method, it is related to the field of cleaning, including the following steps, the corrugated plate on the inner blade of unused air preheater is scanned by ultrasonic probe to obtain ultrasonic image as original image and record;Air preheater is cleaned after use by high-pressure water gun, and is cleaned by adopting acoustic wave soot blower cooperation;Corrugated plate is scanned by ultrasonic probe to obtain ultrasonic image as cleaning image and record;Cleaning image is compared with original image, according to the size of the bright spot in cleaning image, number intuitive judgment ash removal effect, and calculate dust removal rate by the light and shade of bright spot, the present application has the advantages that more accurate, non-destructive evaluation method of degree of fouling cleaning can be provided, to realize the accurate judgment of the inside cleaning condition of corrugated plate.

This invention provides an energy-saving heat recovery device for an aluminum rod hot shearing furnace, relating to the field of energy-saving heat recovery technology. The energy-saving heat recovery device for the aluminum rod hot shearing furnace includes: a base, a heat exchange box, and multiple fume extraction devices. The heat exchange box is fixedly installed on the top of the base, and the multiple fume extraction devices are all fixedly installed on the inner wall of the top of the heat exchange box. A gas collecting cylinder is fixedly installed on the top of the heat exchange box. A waste heat recovery treatment mechanism is provided inside the base. The waste heat recovery treatment mechanism further includes a pretreatment component and a heat exchange switching component. The pretreatment component is used to straighten and remove dust from the flue gas. The energy-saving heat recovery device for the aluminum rod hot shearing furnace provided by this invention has the advantages of uniform flue gas flow, balanced heat exchange on the heat exchange plate surface, reduced localized scabbing, switching between main and auxiliary heat exchange plates, and cleaning of the sludge layer on the surface of the heat exchange plates.