117results about How to "Enhanced descaling" patented technology

The invention provides a three-riser pulsating tube bundle. The three-riser pulsating tube bundle comprises a middle riser, a left risers, a right riser and a plurality of coil tubes, wherein each coil tube comprises a plurality of arc-shaped heat exchange tubes, the ends of adjacent heat exchange tubes communicate, the plurality of heat exchange tubes form a series structure, the ends of the heatexchange tubes form free ends of the heat exchange tubes, the inlet of the middle riser is connected with a pulsating flow generating device for generating pulsating flow in the heat exchange tubes,the coil tubes comprise a left coil tube and a right coil tube, one side of the middle riser is connected with the inlet of the left coil tube, the other side is connected with the inlet of the rightcoil tube, the outlet of the left coil tube is connected with the left riser, and the outlet of the right coil tube is connected with the right riser. According to the pulsating tube bundle with the novel structure, more coil tubes are arranged in a limited space to increase the vibration range of the pulsating tube bundle, so that heat transfer and descaling are enhanced.

The invention provides a solar steam device. The solar steam device comprises a box body and a heat collection device, wherein the heat collection device comprises a heat collection component and a heat release component, wherein the heat release component is arranged inside the box body, the heat collection component is arranged outside the box body, the heat collection component can absorbs solar energy, and then heat is released into the box body through the heat release component. According to a solar steam generator with a novel heat pipe structure, the heat collection component and the heat release component are arranged, so that the heat transfer speed is high, the heat transfer speed of solar energy is increased, and the heat absorption capacity can be further met.

The invention relates to a cleaning method for a heat exchanger. The cleaning method includes technological steps of (1), respectively weighing and mixing nitric acid, hydrochloric acid and critic acid to obtain acid liquor, and respectively weighing potassium hydroxide and ammonium fluoride and mixing the potassium hydroxide and the ammonium fluoride with water to obtain alkali liquor; (2), infiltrating the acid liquor into a heater via a circulating pump, sufficiently cleaning the heater for 30 to 40 minutes at the cleaning temperature ranging from 40 DEG C to 50 DEG C, draining the acid liquor after cleaning, then infiltrating the alkali liquor into the heater by the circulating pump, sufficiently cleaning the heater for 1 to 2 hours at the cleaning temperature ranging from 50 DEG C to60 DEG C, and scouring the heater by fresh water after the alkali liquor is drained. The circulation flow of the acid liquor ranges from 4m3 / hour to 6m3 / hour, and circulation flow of the alkali liquor ranges from 4m3 / hour to 6m3 / hour. The cleaning method has the advantages that the nitric acid, the hydrochloric acid and the critic acid with certain proportions can be reacted with scale but cannotbe reacted with the inner wall of the heater due to insufficient acidity, and equipment is prevented from being damaged; and the potassium hydroxide and the alkali liquor can be sufficiently reacted with a part of the scale and further can be reacted with salt generated after the previous acidic reaction, and descaling is accelerated.

The invention provides a solar air heating device. The solar air heating device comprises an air pipeline and a heat collecting device, the heat collection device comprises a heat collection component and a heat release component, the heat release component is arranged in the air pipeline, the heat collection component is arranged outside a box body, the heat collection component absorbs solar energy, heat is released into the air pipeline through the heat release component, and the heat collection component is used for heating the air passing through the air pipeline. According to the solar air heating device with a novel heat pipe structure, the heat collection component and the heat release component are arranged, so that the heat transfer speed is high, the heat transfer speed of solar energy is increased, and the heat absorption capacity can be further met.

The invention discloses a device for taking water from seawater through solar heat collection. The device comprises a water tank and a photo-thermal conversion element, wherein the upper end of the water tank is of an opening structure, the photo-thermal conversion element floats in seawater on the upper portion of the water tank, a transparent glass cover is arranged on the upper portion of the water tank, the transparent glass cover is of an arc-shaped structure, the glass cover comprises a water collecting tank located on the lower side, the water collecting tank comprises a vertical side wall on the inner side, a horizontal wall extending from the bottom end of the vertical side wall to the horizontal direction, an outer side vertical wall extending upwards along the other end of the horizontal wall, and an arc structure extending upwards and inwards along the outer side vertical wall, the water collecting tank is formed among the inner side vertical wall, the horizontal wall and the outer side vertical wall, a drain hole is formed in the horizontal wall, so that fresh water collected by the water collecting tank is discharged, the purpose of taking water from seawater is achieved, and the device has wide commercial value and application prospect.

The invention relates to a water heater capable of being descaled. The water heater capable of being descaled comprises a support, a water storage tank, transparent pipes and heat collection pipes. Each heat collection pipe is divided into an inner layer and an outer layer. Each outer layer is a heat absorbing pipe made from a hard material. Each inner layer is a spiral pipe formed by spiraling and curling a long-strip elastic piece. The heat absorbing pipes extend into the water storage tank. The upper end of each spiral pipe is fixed to the water storage tank, and the lower end of each spiral pipe is installed on a rotary plate. Through holes are formed in the rotary plates. A scale accumulation cavity is further fixed to the lower portion of each rotary plate. A smashing rod is further arranged on the axis of each heat collection pipe. One end of each smashing rod is installed on the water storage tank, and the other end of each smashing rod is installed on the support. Smashing pins extending in the radial direction of the smashing rod are further distributed on the periphery of each smashing rod. The length of the smashing pins is smaller than the radius of the corresponding heat collection pipe. The water heater capable of being descaled is ingenious in structure and capable of being descaled completely and efficiently, and meanwhile water pipe blockage and human body harms are not caused.

The invention provides a pulse tube bundle heat storage system. The pulse tube bundle heat storage system comprises a heat storage tank, a pulse generation device and pulse tube bundles, wherein the pulse tube bundles are arranged in the heat storage tank and are connected with the pulse generation device; an inlet pipeline of the pulse generation device is connected with inlets of the pulse tubebundles; outlets of the pulse tube bundles are connected with the pulse generation device through an outlet pipeline; a plurality of pulse tube bundles are arranged; the pulse tube bundle heat storagesystem is characterized by further comprising a controller; the controller is used for detecting heat exchange amount of each pulse tube bundle, then calculating average heat exchange amount of the plurality of pulse tube bundles, and automatically adjusting pulse flow amount of each pulse tube bundle according to the average heat exchange amount. The pulse tube bundle heat storage system has a new structure; the pulse amount of single pulse tube bundle is automatically controlled, so that the heat exchange amount is controlled, and the overall heat exchange reaches uniform heat exchange.

The invention provides an operation method of a loop heat pipe solar heat collection device. The heat collection device comprises a reflecting mirror and a heat collection pipe box, a heat collectiondevice comprises a descaling stage, and the following operation modes are adopted: in the descaling stage, the following operation modes are adopted: heat collection is performed on the heat collection pipe box at the front period time within one period time P, and at the later period time within the period, the heat collection pipe box is not subjected to heat collection. Heat collection or non-heat-collection is periodically performed on the heat collection pipe box, fluid can be frequently evaporated, expanded and contracted in an elastic pipe bundle, and therefore, the elastic pipe bundleis continuously driven to vibrate, descaling operation can be further achieved, and the heat exchange effect is improved.

The invention provides a solar heat collection device for descaling at night. The solar heat collection device for descaling at night comprises a heat collection pipe box, a left upper pipe, a right upper pipe and a heat release pipe group, the heat collection pipe box comprises a first pipe opening and a second pipe opening, the first pipe opening is connected with an inlet of a left heat releasepipe group, the second pipe opening is connected with an inlet of a right heat release pipe group, an outlet of the left heat release pipe group is connected with the left upper pipe, an outlet of the right heat release pipe group is connected with the right upper pipe, a first outlet and a second outlet are formed in one side of the heat collection pipe box, an electric heater is arranged in theheat collection tube box, the electric heater operates at night, and the electric heater adopts an intermittent heating mode, namely, heating is carried out for a period of time firstly, then heatingis stopped for a period of time, and then heating is carried out again, and circulation is carried out ceaselessly. According to the solar heat collection device for descaling at night, on one hand,the solar heat collection device is assisted in heating at night, and on the other hand, through the operation of the electric heater, a heat collecting pipe continuously vibrates so that the descaling work can be carried out.

The invention discloses an anti-descaling powder agent for medium low pressure boiler, which comprises the following steps: compositing with sodium carbonate and humic acid sodium; allocating 45-85 wt sodium carbonate and 15-25 wt humic acid; getting the product. This invention possesses merits as follow: collecting scale prevention and conservation as one body; forming a smooth protective film in the boiler; inhibiting corrosion of oxyhydrogen molecule; setting antiscaling ratio at 90% without toxic and pollution.

The invention provides electrochemical water treatment equipment with a descaling function. The electrochemical water treatment equipment comprises a cylinder body and a cover body arranged at the top of the cylinder body, wherein the upper end of the cover body is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a rotating shaft arranged in the cylinder body and drives the rotating shaft to rotate, an extending circular plate is fixedly arranged at the end, away from the rotating motor, of the rotating shaft, an anode and at least two cathodes are fixedly arranged on the extending circular plate in parallel, the anode is arranged at the circle center of the extending circular plate, the cathodes are symmetrically arranged at the edge of the extending circular plate, an electrode scraper is fixed on the inner wall of the cylinder body, and the cathodes are surface-modified stainless steel electrodes. According to the invention, the stainless steel electrodes are used as substrates and are subjected to surface modification to serve as cathode columns, so dendritic crystal growth of scale on the cathodes is promoted, binding force between the scale and the electrodes is reduced, and the descaling performance of the cathodes is enhanced.

The invention discloses a micro emulsion type metal anti-rusting liquid and a preparation method thereof. The micro emulsion type metal anti-rusting liquid comprises base oil, an anti-rusting agent, a surfactant, silica sodium, thiourea, sodium metabisulfite, nitrogenous trimethylene phosphoric acid, benzotriazole, myo-inositol hexakis dihydrogen phosphate, vinyl acetate, trimethyl ammonium chloride, methacrylic acid dimethylamino ethyl ester, agar and deionized water. The preparation method comprises the following steps: firstly, mixing the base oil, the anti-rusting agent, silica sodium and thiourea, stirring, heating, subsequently adding myo-inositol hexakis dihydrogen phosphate, stirring so as to obtain a mixture I, further adding the surfactant, sodium metabisulfite, nitrogenous trimethylene phosphoric acid and benzotriazole into the deionized water, heating, adding vinyl acetate, and stirring so as to obtain a mixture II, mixing the mixture I and the mixture II, further adding the rest components, heating, and uniformly stirring, thereby obtaining the anti-rusting liquid. By adopting the anti-rusting liquid disclosed by the invention, the anti-rusting time is prolonged, and the anti-rusting effect is improved.

The invention provides an active solar tracking heat collecting device and an air cylinder structure thereof. The device comprises a water tank and a photo-thermal conversion element, wherein the upper end of the water tank is of an opening structure, the photo-thermal conversion element floats on the upper portion of the water tank, the photo-thermal conversion element comprises a base body formed by a foaming material, a groove with an opening in the upper side is formed in the base body, a heat collecting tube box comprises a first tube opening and a second tube opening, the first tube opening is connected with an inlet of a left heat release tube set, the second tube opening is connected with an inlet of a right heat release tube set, an outlet of the left heat release tube set is connected with an upper tube, and an outlet of the right heat release tube set is connected with the upper tube; and the first tube opening and the second tube opening are formed in one side of the heat collecting tube box. According to the active solar tracking heat collecting device and the air cylinder structure thereof, a large amount of steam is generated without the assistance of a heating device, the floating foam material supports a photo-thermal conversion layer out of the water surface, dissipation of generated heat energy from a film to a lower-layer liquid is restrained, therefore thevaporization efficiency of the device is improved, and the great potential of the device as a photo-thermal conversion new energy material is shown.

The invention provides a new energy aluminum battery case oil and ash removal hydrocarbon cleaning agent and a preparation method thereof. Components of the new energy aluminum battery case oil and ash removal hydrocarbon cleaning agent comprise the following raw materials including, by weight, 60-80 parts of a high-purity hydrocarbon solvent, 10-40 parts of a modified alcohol ether solvent, 0-10 parts of an ash removal agent, 0-5 parts of a surface tension increasing agent, 0-5 parts of an aluminum bright whitening agent, 0-5 parts of a penetrant and 0-5 parts of a washing assistant. The hydrocarbon cleaning agent has good seepage force, washing power, solubilizing power, oil removal, ash removal, descaling and other comprehensive properties .

The invention provides a loop heat pipe solar heat collection temperature control method. A heat collection device comprises a reflector and a heat collection pipe box. The heat collection device comprises a descaling stage, and the following operation modes are adopted: in the descaling stage, a temperature sensing element is arranged in the heat collection device and is used for detecting the temperature in the heat collection device, the temperature sensing element is in data connection with a controller, and the controller controls whether to collect heat of the heat collection pipe box or not according to the detected temperature. The heat collection pipe box is subjected to heat collection or not subjected to heat collection through temperature detection, fluid can be frequently evaporated, expanded and contracted in an elastic pipe bundle, and therefore the elastic pipe bundle is continuously driven to vibrate, descaling operation can be further achieved, and the heat exchange effect is improved.

The invention discloses a shell-and-plate blast furnace evaporation air cooling system using a soft water closed recirculation cooling system and a plate scale treatment method thereof and belongs to the technical field of blast furnace iron making production. The shell-and-plate blast furnace vaporation air cooling system using the soft water closed recirculation cooling system comprises a base, a shell body which is over the base and is fixedly connected with the base, a cooling plate set which is a vertical layered layout is arranged in the shell body in a fixation mode, and induced air cooling towers which are connected with the shell body in a fixation mode and right above the shell body. Through replacing an induced air motor with an air suction function with the induced air cooling towers, installed gross and production running cost are lowered, there is no need to frequently change and maintain a soggy and fragile fan motor, and the induced air cooling towers are capable of being at a normal working state for a long time and saves electric energy and water consumption of refrigerant water. Physical descaling can be conducted periodically in the whole operational process of the system through the plate scale treatment method, and also thorough descaling can be conducted in a stopping process. The induced air cooling towers are flexible and mobile and through in treatment effect. The heat exchange and cooling effects of the whole system are improved, and the continuous working period and service life are prolonged.

The invention provides a portable remote monitoring loop heat pipe solar heat collection temperature control method. A heat collection device is operated in the following mode that a temperature sensing element is arranged inside the heat collection device and used for detecting the temperature inside the heat collection device, the temperature sensing element is in data connection with a controller, the controller is connected with a cloud server, and the cloud server is connected with a client side; and the controller transmits temperature data measured by the temperature sensing element to the cloud server and then transmits the temperature data to the client side through the cloud server, the client side is a mobile phone, an APP is installed in the mobile phone, a user can select an automatic control working mode or a manual control working mode at the client side, and the controller controls a heat collection pipe box to collect heat by controlling the working mode selected by the client. According to the portable remote monitoring loop heat pipe solar heat collection temperature control method, by means of the mobile phone APP client side and the controller, automatic control over heat collection and descaling of a heat collector through the temperature is achieved, so that energy is saved, the best efficiency is achieved, the intelligence of a heat exchange system is improved, and remote portable monitoring is achieved.

The invention discloses a large-space dirt removal device with gas-sound complex fields uniformly distributed and a dirt removal method of the large-space dirt removal device. The dirt removal device comprises a device inlet, a gas-sound field uniform-distribution space, sound wave dust blowing devices, a dirt removal space and a device outlet. The gas-sound field uniform-distribution space is arranged behind the device inlet and internally provided with the sound wave dust blowing devices. The dirt removal space is arranged behind the gas-sound field uniform-distribution space. The device outlet is formed behind the dirt removal space. A gas-sound flow guide plate is arranged behind the sound wave dust blowing devices in the gas-sound field uniform-distribution space. The sound production directions of the sound wave dust blowing devices face the gas-sound flow guide plate. The dirt removal method includes the steps that after air flow is introduced into the device, the air flow is uniformly guided to form uniform air flow, then the uniform air flow and sound waves produced by the sound wave dust blowing devices are uniformized in the gas-sound field uniform-distribution space, then are uniformized and rectified through the gas-sound flow guide plate and then enter the dirt removal space, dirt removal is conducted on the device in the dirt removal space, and meanwhile local serious dirt accumulation can be prevented effectively.

The invention provides a heat pipe and a ground source heat pump system. The heat pipe comprises an evaporation section and a condensation section, the evaporation section of the heat pipe comprises a plurality of end parts which are separated from one another and extend downwards, each end part is independently arranged in a soil hole, the end parts of the evaporation section are annularly arranged, a plurality of layers of end parts are arranged on the horizontal plane projection along the center point, the distance between the axis of each layer of end parts and the center point is the same, so that an arc structure with the center point of the evaporation section as the circle center is formed, the number of the end parts of the heat pipe evaporation section is multiple, and the distribution density of the end parts is larger and larger in the radial direction from the center of the evaporation section to the outside. Uniform heat absorption of the whole end parts is ensured, and the condition that a product is difficult to maintain due to partial superheated steam damage is avoided.

The flat plate type solar heat collector comprises a heat absorption plate, a shell, a transparent cover plate and a heat preservation material, the transparent cover plate is arranged at the top of the shell, the heat absorption plate is arranged in the shell, and the heat preservation material is arranged in the inner side face of the shell so that a heat preservation space can be formed in the shell; a plurality of heat dissipation bodies extending downwards from the lower side are arranged on the inner side face of the upper portion of the heat absorption plate, gap flow paths for fluid to flow are arranged among the heat dissipation bodies, and the heat dissipation bodies are of elastic structures. According to the flat plate type solar heat collector of a novel structure, the heat dissipation body can be scoured when fluid flows through the elastic structure, the heat dissipation body can swing in a pulsating mode, and therefore descaling and vibration are promoted to cause the turbulent flow effect, and heat transfer can also be enhanced.

The invention provides an energy-saving flow control heat exchanger for a hotel. The inlet pipe of the shell side is provided with a valve, and the valve is connected with a data acquisition controller to set a predetermined temperature T1 of the fluid at the outlet of the shell side, and store T1 to the data acquisition controller; the data acquisition controller collects the temperature T2 detected by the temperature sensor; the data acquisition controller compares T2 with T1; the data acquisition controller controls the opening and closing and opening of the valve according to the comparison result. The invention controls the opening of the valve so that the flow rate is increased when the temperature is high and the flow rate is decreased when the temperature is low, thereby ensuring constant outlet temperature.

The invention provides a double-vibration heat pipe heat exchanger combination and a ground source heat pump system thereof. Speed sensing elements are arranged in the free ends of pipe bundles of a first heat pipe and a second heat pipe and used for detecting the flow speed of fluid in the free ends of the pipe bundles, the speed sensing elements are in data connection with a controller, the controller extracts speed data according to the time sequence, the number of the speed sensing elements is n, the differences Di=Vi-Qi-1 between the speed Vi in the current time period and the speed Qi-1 in the previous time period are sequentially calculated, arithmetic accumulation summation is conducted on the n speed differences Di, and when the value of Y is lower than a set threshold value, whether hot water heats the first heat exchanger and the second heat exchanger or not is controlled. Through speed difference change accumulation, the heat exchanger continuously vibrates to remove scale and exchange heat according to the temperature.

The invention provides a loop heat pipe, which includes a middle evaporation tube, a left header, a right header and a tube group, the middle evaporation tube includes a first nozzle and a second nozzle, and the first nozzle is connected to the inlet of the left tube group , the second nozzle is connected to the inlet of the right tube group, the outlet of the left tube group is connected to the left header, and the outlet of the right tube group is connected to the right header; the first outlet and the second outlet are arranged on one side of the middle evaporation tube; The tube group and the right tube group are mirror-symmetrical along the plane where the axis of the central evaporating tube is located. The invention proposes a vibrating tube bundle loop heat pipe with a new structure. By arranging more tube groups in a limited space, the vibration range of the tube bundle is increased, thereby enhancing heat transfer and descaling.

The present invention provides an energy-saving pressure intelligent control heat exchanger for a hotel. A pressure sensor is arranged in the housing, and the pressure sensor is connected to a data acquisition controller to set a predetermined pressure P1 on the shell side and store P1 in the Data acquisition controller; the data acquisition controller collects the pressure P2 detected by the pressure sensor; the data acquisition controller compares P2 with P1; the data acquisition controller controls the heating power of the electric heater for heating according to the comparison result. Through such setting, the present invention can adjust the heating power according to the pressure in the housing to avoid excessive pressure, thus ensuring the safety of the heat exchanger.

The invention provides a temperature descaling control method. During the descaling process, the controller extracts temperature data according to the time sequence, and obtains the temperature difference or the accumulation of temperature difference changes by comparing the temperature data of adjacent time periods. When it is lower than the threshold, the controller controls the electric heater to stop heating or continue heating; if the temperature in the previous time period is T1, and the temperature in the adjacent subsequent time period is T2, if T1=T2, then judge the heating according to the following conditions The present invention judges the steady state of the fluid according to the temperature difference or the accumulation of temperature difference changes, so that the result is more accurate, and the problem of error increase caused by aging caused by the running time problem will not be avoided.

The invention provides a method for controlling heating of a loop heat pipe system according to temperature. A temperature sensing element is arranged inside the first heat pipe and the second heat pipe to detect the temperature inside the electric heating device. The temperature sensing element communicates with the controller for data connected, the controller controls whether the flue gas heats the first heat pipe and the second heat pipe according to the detected temperature. In the present invention, the temperature detected by the temperature sensing element can satisfy a certain temperature, the evaporation of the internal fluid is basically saturated, and the volume of the internal fluid basically does not change much. In this case, the internal fluid is relatively stable. When the vibration of the tube bundle becomes worse, it needs to be adjusted to make it vibrate, so as to stop heating and switch to another heat pipe for heating. As a result, according to the temperature, the heat pipe is continuously heated alternately, thereby forming constant vibration descaling and heat exchange of the heat pipe.

The invention provides a constant control shell and tube heat exchanger. The heat exchanger comprises a shell, a heat exchange tube is arranged in the shell, the two ends of the heat exchange tube extend out of the shell, and the two ends of the heat exchange tube are connected to a pipeline between a compressor and a cooler; one side of the shell is connected with a water inlet tube, the other side of the shell is connected with a water outlet tube, and the water inlet tube is connected with a water supply system; and the water outlet tube is connected with a water collecting tank, a heating structure is arranged in the water collecting tank, and the heat exchange tube is spirally arranged in a cavity. According to the novel heat exchanger of a heat tube structure, heat balance of a left side tube and a right side tube is automatically regulated and controlled through temperature sensors arranged on the left side tube and the right side tube and a valve between the left side tube and the right side tube, and therefore it is guaranteed that heat exchange on the left side and the right side is uniform, and balance control over the system is achieved.

The invention provides a shell-and-tube heat exchanger. The shell-and-tube heat exchanger comprises a shell body, tube plates are arranged at the two ends of the shell body respectively, a heat exchange component is arranged in the shell body, the heat exchange component comprises a center tube, a left side tube, a right side tube and tube sets, a first outlet and a second outlet are formed in thetwo opposite sides of the center tube, and a left pipe set and a right pipe set are in mirror symmetry along a plane where the axis of the center pipe is located. According to the vibration tube bundle shell-and-tube heat exchanger with a novel structure, more tube sets are arranged in a limited space, the vibration range of a tube bundle is enlarged, and therefore heat transfer is enhanced, anddescaling is enhanced.

The invention provides an active solar tracking heat collection device and its cylinder structure. The device includes a water tank and a light-to-heat conversion element. The upper end of the water tank is an open structure, and the light-to-heat conversion element floats on the upper part of the water tank. The light-to-heat conversion element includes a base formed of foaming material, and a groove with an upper side opening is formed on the base. The heat collecting tube box includes a first nozzle and a second nozzle. The first nozzle is connected to the inlet of the left heat release tube group, and the second The nozzle is connected to the inlet of the right heat releasing tube group, the outlet of the left heat releasing tube group is connected to the upper tube, and the outlet of the right heat releasing tube group is connected to the upper tube; the first nozzle and the second nozzle are arranged on one side of the heat collecting tube box. The invention generates a large amount of steam without the assistance of a heating device, and the floating foam material lifts the light-to-heat conversion layer out of the water surface, inhibiting the dissipation of the generated heat energy from the film to the liquid in the lower layer, thereby improving the vaporization efficiency of the device, and showing its advantages It has great potential as a new energy material for photothermal conversion.