122results about How to "increase cost" patented technology

The invention relates to the comprehensive purification method for foul odor. It categorizes the foul odor from various sources by VOC density. Low density VOC waste is cleaned first, the absorption purification to achieve tail gas emission standard, sewage treatment for the cleaned waste water. The desorption resurgent gases is mixed with high density VOC waste for density average, burning and purification. It can effectively purify waste gases from various sources and features, with simple process, good purification effect, low energy consumption and easy operation.

The invention aims at an automatic driving scene, and provides a high-precision three-dimensional point cloud map construction method based on low-cost equipment, and the method comprises the steps: sequentially carrying out the five steps: point cloud preprocessing, inter-frame registration, key frame screening, gps and imu data fusion and key frame pose optimization construction on a low-cost three-dimensional point cloud map construction platform, and generating a three-dimensional point cloud map. The platform is composed of a laser point cloud acquisition unit, an imu data acquisition unit, a gps data acquisition unit and a computing platform, wherein the laser point cloud acquisition unit adopts a 16-line or 32-line laser radar. The gps data acquisition unit adopts low-cost gps withan error level of meter and provides low-frequency latitude and longitude information for the system. And the imu data acquisition unit provides high-frequency acceleration and angular velocity information for the system. According to the method, low-cost mapping equipment is used in cooperation with a brand new mapping algorithm, and the construction cost of the three-dimensional point cloud mapis saved on the premise that the same precision is met.

The invention discloses a portable electronic device and a wire-control method. The portable electronic device includes an earphone socket, a CPU and an interruption detecting module. During the wire-control process through a wire-control earphone, the CPU records the time from the press-down to release of the wire-control earphone key-press, compares the time length with the preset threshold to judge and record the type of the key-press corresponding to the time length, and performs corresponding functions according to the recorded type of key-press for one-time operation or the combination of key-press types for many times of operation. With the simple wire-control earphone provided by the invention, various control functions can be performed to the portable electronic device.

The invention discloses a preparation method of a non-magnetic high-strength texture Ni-W alloy baseband. The preparation method comprises the following steps: acquiring an Ni-9.6 at.% W alloy cast ingot by adopting vacuum induction smelting, carrying out hot forging and hot rolling on the cast ingot, and removing oxide skin positioned on the surface of a hot rolling blank by combining one-pass cold rolling with shot blast treatment; and successfully acquiring the non-magnetic high-strength strong-cube texture hectometre-level Ni-9.6 at.% W alloy baseband by carrying out warm rolling and the cold rolling with a certain deformation amount, introducing stress relief annealing twice in a cold rolling process, longitudinally shearing the cracked edge of a band in the cold rolling process and finally carrying out continuous recrystallizing heat treatment. The preparation method disclosed by the invention lays a good foundation for realizing the industrialized production of second-generation high-temperature superconductors.

The invention discloses a Byzantine fault tolerance method and a token economy management system. The method comprises the steps of delegating right and interest of a node, which is to participate inblock chain operation, to a block chain network node, thereby obtaining a right and interest value; constructing a right and interest table with the length being coefficient multiple of the total nodequantity, wherein the occupied length of information of each node in the right and interest table is in direct proportion to the right and interest value of each node; generating a random number by using a random function, and selecting a numerical value in the right and interest table, thereby selecting multiple nodes to participate in the operation; allocating different working proposals and endorsements to the nodes participating in the operation, and performing confirmation to finish a consensus; and if alternative blocks obtain confirmation of a confirmation node, storing the blocks finishing the consensus by all consensus nodes. The system comprises a block chain network, a control unit, a detection unit, an operation unit and an allocation unit; and computing power of different nodes is detected, different work is allocated, and based on this, benefits are allocated. The right and interest ratio, the computing power and the input operation and maintenance cost are comprehensively considered, and the weights and the benefits are reasonably allocated.

The invention relates to a preparation method for a bamboo coiled composite vertical type storage tank. The preparation method is characterized by comprising the following steps: preparing an end socket lining layer, an end socket enhancement layer and an outer protection layer in sequence so as to prepare a top end socket, then directly forming a tank bottom plane on the basis of a plane, manufacturing a storage tank main body, fixing the top end socket of the storage tank at the upper end of a matched storage tank main body die, preparing a storage tank main body lining layer, enabling the storage tank main body die to rotate around the axial line, enabling a coiling trolley to do up-and-down reciprocating motion in a rail, tidily arraying and coiling bamboo split rolls outside the storage tank main body lining layer and a combination part of the storage tank main body and the top end socket of the storage tank by virtue of relative motion between the storage tank main body lining layer and the top end socket of the storage tank, adding a resin mixture during coiling, performing solidification to form the storage tank main body enhancement layer, and finally coating the outer protection layer; sealing the inner side and outer side of the combination part of the tank bottom and the main body by virtue of resin and bamboo fiber non-woven cloth, pasting an arc transition region, and coating another outer protection layer after solidification is finished. The method is low in cost, environment-friendly in process and high in product quality.

The invention provides a calculating method and device for a vehicle queuing length. The method comprises the following steps: acquiring a first time headway of a target lane stop line position, and generating a first time headway sequence of a current green light period; and when a value in the first time headway sequence is discrete, determining a maximum queuing length of the green light periodaccording to a position of the discrete value in the first time headway sequence. The method provided by the invention applies a vehicle dissipation rule; vehicles standing in a queue start to dissipate successively from stop states, thereby forming continuous variables; and when a driving state of a next vehicle at the tail of the queue, not in the queue, does not conform to the vehicle dissipation rule, a discrete variable is generated, so that the position of the discrete variable is the position of a vehicle at the tail of the queue, and the maximum queuing length can be determined. The vehicle queuing length calculated by the method is more accurate and more reliable; and the technical problems of low accuracy and low reliability of an existing queuing length calculation method are relieved.

The invention relates to an automatic tube feeding and discharging device for the light bar pasting process of a T8LED lamp tube full-automatic production line. The automatic tube feeding and discharging device comprises a rack, an automatic tube feeding and conveying device and a gluing machine. The automatic tube feeding and conveying device is provided with a lamp tube clamping base, and a tube supporting base is arranged at the rear end of the automatic tube feeding and conveying device. The lamp tube clamping base is arranged on the tube supporting base, and the tube supporting base and the automatic tube feeding and conveying device are staggered in the transverse direction. An automatic tube feeding and discharging moving device is arranged on the upper portion of the automatic tube feeding and conveying device and provided with an automatic tube feeding and discharging moving track. An automatic tube feeding manipulator is arranged on the automatic tube feeding and discharging moving track, can slide along the automatic tube feeding and discharging moving track left and right, and can move to the position above the gluing machine. An automatic tube discharging manipulator is arranged on the automatic tube feeding and discharging moving track, can slide along the automatic tube feeding and discharging moving track left and right, and can move to the position above a lamp tube positioning and conveying device. According to the automatic tube feeding and discharging device for the light bar pasting process, the production rate is increased and the production cost is reduced.

The invention discloses a mine cement filling material for co-solidifying arsenious hazardous wastes and a preparation method thereof, and belongs to the environment protection fields, such as the mine cement filling, solid waste resource utilization and the co-processing of the arsenious hazardous wastes. The preparation method comprises the following steps: milling the needed raw materials, such as mine slag, steel slag and desulfurization gypsum, with 0.01%-1% of the water content according to the dry basis weight percentage of 45%-50% of the mine slag, 10%-30% of the steel slag and 10-15% of the desulfurization gypsum, milling independently or milling by mixed powder until the specific surface area is 200-600 m<2>/Kg, adding 10%-35% of calcium hydroxide, uniformly mixing to obtain a cementing agent, and drying the arsenious hazardous wastes until the water content is 0.01%-1%, according to the weight proportion of the cementing agent/aggregate material of 1/4-1/8, the weight proportion of the arsenious hazardous wastes/(cementing agent + aggregate material) of 1/1000-1/100, adding 0%-1% of a water reducer, until the mass fraction of slurry is 65%-86%, and uniformly stirring to obtain the qualified mine cement filling material. The preparation method has the characteristics of simple and easy operation, low energy consumption, low cost, no new solid waste generation, small environmental pollution, and environmental protection.

A counter device having: a rewritable counter constituted by a nonvolatile memory that needs to completely convert data in a segment to high-order data before changing low-order data to high-order data in each bit The section deletion; the control unit, which controls the data writing and data reading of the aforementioned counter, wherein the aforementioned control unit performs data writing and data reading for the aforementioned counter with 1’s complement as the source number, and updates the count value.

The invention discloses a road structure seam filling device, which comprises a feed box, a fixed installation plate, a hydraulic cylinder, a stirring motor, a stirring rod, a solenoid valve, a fixed plate, a protective pipe, a filling material placement box, a slideway, a first pneumatic The telescopic rod, the first air pump, the push rod, the box body, the second air pump, the second pneumatic telescopic rod and the micro motor, use the first air pump and the first pneumatic telescopic rod to adjust the angle of the fixed plate, so that the bottom ends of the two fixed plates are aligned Quasi-structural seam openings avoid material overflow, waste of resources, and increase costs. The hydraulic cylinder is used to adjust the height of the stirring motor so that the stirring rod extends into the structural seam. At the same time, the stirring motor is turned on to drive the stirring rod to rotate to stir the material in the structural seam so that it can be filled. Even without accumulation, the device is easy to operate, can accurately and quickly fill the structural joints, avoid material splashing, save resources, reduce costs, and at the same time fill evenly and work efficiently.

The invention provides acetate-grade pulp and a preparation method thereof. According to the preparation method, firstly, a raw cellulose material is impregnated in one or more combinations of bio-enzyme, sodium sulfite and sodium bisulfite to enable part of lignin to dissolve out, the structure of the raw material is loose, and a good condition is created for follow-up processes. After impregnation in the sodium sulfite or the sodium bisulfite, lignin condensation caused by strong prehydrolysis is avoided effectively, the content of pentosan is reduced, through control of sulfate digestion conditions in the follow-up processes, the acetate-grade pulp obtained through the method is high in methyl cellulose content, high in viscosity and easy to bleach, damage of bleaching to the methyl cellulose and the viscosity is reduced, the quality of finished products is guaranteed, and high viscosity, high methyl cellulose and high brightness are provided. According to the method, alkali extraction is not needed during bleaching, the permeation and the uniformity are improved, and a good reactivity is provided.

The invention relates to an anti-counterfeiting verification system and an anti-counterfeiting method of a road-worthiness certificate or a driving license. The anti-counterfeiting verification system comprises a remote server, a plurality of pieces of terminal equipment and a road-worthiness certificate or a driving license printed with a two-dimension code, wherein the remote server is erected on a network; certificate information of the road-worthiness certificate or the driving license is stored in the remote server; the certificate information of the road-worthiness certificate or the driving license and the address of an anti-counterfeiting verification web site are arranged in the two-dimension code on the road-worthiness certificate or the driving license by using an encryption algorithm; and the terminal equipment is connected with the remote server through a wireless network. According to the anti-counterfeiting verification system and the anti-counterfeiting method of the road-worthiness certificate or the driving license provided by the invention, a latest two-dimension code anti-counterfeiting technology is used, and two-dimensional codes are generated for the certificate information on the road-worthiness certificate or the driving license and the address of the anti-counterfeiting verification web site and are printed on the road-worthiness certificate or the driving license, so that the certificate counterfeiting cost is increased, and the law enforcement inspection efficiency of traffic polices is increased greatly.

The invention provides a combined extraction method of blackberry seed oil and anthocyanin in blackberry juice production byproducts, belonging to the technical field of fine and deep processing of agricultural products. The method comprises the following steps: crushing the blackberry juice production byproducts, and performing cellulose-hemicellulose-starch composite enzymatic hydrolysis; extracting with a No.6 solvent; steaming the oil layer to remove a solvent and refining to obtain blackberry essential oil; and performing extraction, chromatography and vacuum concentration on a water layer with high-pressure pulse assisting ethanol to obtain an anthocyanin concentrated solution. The method provided by the invention sufficiently utilizes the functional components in blackberry, reduces generation and discharge of waste residues to the greatest degree, realizes comprehensive utilization of blackberry, and obviously increases the economic value of blackberry.

The invention provides an outdoor-assisting indoor positioning method in LBS (Location Based Service). The method utilizes GPS (Global Positioning System) information of an outdoor user handholding a smart phone, so that the outdoor user can obtain higher-precision location information generally. The method also utilizes one function of the smart phone: the traditional smart phone is generally used as a hot spot, and after the hot spot function is started up, other phones can detect the hot spot and connect the hot spot. Except for communication, the function can also calculate the distance between two users according to the intensity information of the hot spots. Finally, an indoor user can calculate the current coordinate of the user according to the data information of a plurality of points through the interaction between the indoor and outdoor users. The method provides a new idea of an indoor positioning method, and fully utilizes the popularity of the current smart phones. The method can be used as an auxiliary indoor positioning technology.

The invention discloses an EHPS (electric hydraulic power steering system) of a new energy bus and a control method of the EHPS. The EHPS comprises a vehicle speed detection unit, a vehicle control unit, a DC (direct current) and AC (alternating current) inversion unit and a power steering pump which are connected in sequence, wherein the power steering pump is provided with a steering pump control unit and a steering pump current detection unit. The EHPS comprises the vehicle speed detection unit, the vehicle control unit, the DC and AC inversion unit and the power steering pump, compared with existing patents and control strategies, cost increase caused by additional electrical components is prevented, intelligent control of steering assisted power is realized, and the EHPS has universal applicability under the configuration of the existing new energy bus and can realize the scale effect. When a vehicle is in a parking state and the steering pump shuts down, idling power of the steering pump and unnecessary loss are reduced with the adoption of the EHPS; different steering assisted power at different vehicle speeds and idling energy loss of the steering pump when steering assisted power is not required in straight traveling are both taken into consideration, and energy is saved by 60% or higher.

The invention discloses a storing method of wild goose hatching eggs. The method includes the following steps of firstly, disinfecting the hatching eggs; secondly, preparing shell covering powder; thirdly, storing the hatching eggs. According to the storing method, on the basis of the knowledge on the structure of the wild goose hatching eggs, the shell covering powder is uniquely prepared, through the combination of ultrasonic treatment, the hatching quality of the hatching eggs is greatly improved, the storage humidity and temperature conditions of the hatching eggs are reduced to a more-easily-controlled range, egg turning operation is omitted, storing cost is greatly reduced, the storing time of the hatching eggs can reach 30 days or longer, and meanwhile a quite high hatching rate is achieved.

The invention provides an organic boron zirconium crosslinking agent, belonging to the technical field of oilfield fracturing fluids. In order to solve the problem that the existing organic boron zirconium crosslinking agent prepared from the expensive organic zirconium complex enhances the raw material cost of the organic boron zirconium crosslinking agent and lowers the economic benefit, the invention provides an organic boron zirconium crosslinking agent which comprises the following components in parts by weight: 1 part of inorganic zirconium salt, 2-4 parts of water, 3-6 parts of isopropanol, 0.4-1 part of inorganic boride, 4-20 parts of methanol, 2-4 parts of polyalcohol, 1-2 parts of sodium alpha-hydroxycarboxylate, 1-2 parts of triethanolamine and 0.5-1 part of tetrahydroxypropyl ethylenediamine. By using the cheap inorganic zirconium salt as the raw material, the organic boron zirconium crosslinking agent provided by the invention greatly saves the cost, and is beneficial to marketization of the organic boron zirconium crosslinking agent and wide application in the high-temperature-resistant fracturing fluid system.

The invention discloses a multi-antenna high-efficiency radio frequency energy collector formed by multiple electrodes, which is composed of antennas from a first to a fourth, matching networks from a first to a fourth, micro transformers from a first to a third, a multilevel voltage doubling rectifier network, a DC voltage stabilizing module and an energy storage device, wherein output ends of the antennas from the first to the fourth are respectively connected with input ends of the matching networks from the first to the fourth; the output ends of the first matching network and the second matching network are respectively connected with two input ends of the first micro transformer; the output ends of the third matching network and the fourth matching network are respectively connected with two input ends of the second micro transformer; the output ends of the first micro transformer and the second micro transformer are respectively connected with the two input ends of the third micro transformer; and the output end of the third micro transformer is cascaded sequentially with the multilevel voltage doubling rectifier network, the DC voltage stabilizing module and the energy storage device. The multi-antenna high-efficiency radio frequency energy collector formed by multiple electrodes can provide power for implantable medical electronic equipment, and power and efficiency of radio frequency energy collection can be improved.

The invention relates to a method and a device for removing an inner surface oxidized iron sheet of a steel pipe on line. A device for removing an inner surface oxidized iron sheet of a steel pipe from the tail of the steel pipe is arranged behind a stepping type reheating furnace, and the inlet section of a stepping type cooling bed is provided with a device for removing the inner surface oxidized iron sheet of the steel pipe from the head of the steel pipe. After the tail and the head of the steel pipe are detected by a hot metal detector, the device for removing the inner surface oxidized iron sheet of the steel pipe from the tail of the steel pipe sprays high-pressure water to an inner hole of the tail of the steel pipe and removes the oxidized iron sheet of the inner hole of the steel pipe, and the device for removing the inner surface oxidized iron sheet of the steel pipe from the head of the steel pipe sprays high-pressure water and a high-pressure gas to the inner hole of the head of the steel pipe so as to remove oxidized slag retained in the inner hole of the steel pipe. The inner surface oxidized iron sheet of the steel pipe is removed on line behind the stepping type reheating furnace and at the inlet section of the stepping type cooling bed, and the finishing procedure of the rear part of the steel pipe is reduced. The invention not only saves the cost of acid washing, shot blasting and grinding but also improves the production efficiency.

The invention provides a DNA chip based cipher system. The DNA of the DNA chip of the cipher system is a random sequence G (i, j). Oligonucleotide probes S (i, j) are oligonucleotide fragments obtained through artificially synthesizing the reverse complement sequences of a small-segment DNA sequence randomly intercepted from the random DNA sequence G (i, j) corresponding to the lattices of the DNA chip, and the uniqueness of the small-segment DNA sequence in the DNA chip is determined through using BLAST. Information encryption is that a DNA chip lattice distribution map M is marked with different G (i, j) to represent plaintext information, and then the oligonucleotide probes S (i, j) corresponding to the G (i, j) are mixed; and information decryption is that the oligonucleotide probes S (i, j) are hybridized with the random sequence DNA sequence. The encryption of same plaintext information can be realized through a large amount of different S (i, j) probe mixture combinations and can be admixed with any unlabeled DNA at will. The S (i, j) probes are composed of the random DNA sequence, and plaintext information related information is not coded in the DNA sequences of the mixtures of the S (i, j) probes, so the system cannot be decoded.

The invention discloses a method for preparing a hollow microneedle array in bulk. The method for preparing the hollow microneedle array particularly comprises the steps that by means of a microneedlearray negative template with holes, a polymer microneedle array positive template is prepared, and then a metal seed layer is plated on the polymer microneedle positive template; then, a metal structure layer is electroplated on the microneedle array positive template with the surface attached with the metal seed layer, and a microneedle array needle wall is formed; organic solvent is used for removing the polymer microneedle array positive template, a metal microneedle array is obtained, the top of the microneedle array is subjected to polishing or laser cutting, and the hollow metal microneedle array can be obtained. Accordingly, by improving the whole technological process of the preparation method, compared with the prior art, the problems that at present, the hollow microneedle arraypreparation technology is complex, the cost is high, and the structural controllability is poor can be effectively solved.

The invention relates to a resin type joint mixture, which comprises the following components in parts by weight: 50-70 parts of synthetic resin, 15-20 parts of filler, 10-20 parts of modifier, 5-10 parts of plasticizer, 1-3 parts of crosslinking agent, and 2-5 parts of tackifier. According to the joint mixture, the binding strength, hardness and elasticity can be obviously enhanced, and the leveling property of the joint mixture can be obviously improved; in addition, the joint mixture also has excellent storage stability, and is long in shelf life. Therefore, the joint mixture is very applicable to jointing of tiles.

The invention discloses a stylus. The stylus comprises a pen rod, a reflective mirror, a camera, a pen point and a communication device, wherein the pen rod, the reflective mirror, the camera and the pen point are connected sequentially; the communication device is connected to the camera; the camera obtains position information of a system cursor on a display or a touch screen through the reflective mirror; the communication device sends the obtained position information of the system cursor to an operating system; and the operating system adjusts the position of the system cursor to a position of a touch point. In addition, the invention also discloses a touch point identification method. The stylus can be used to match with a common display to realize touch operations, so that replacement of a display device or hardware modification of the display is unnecessary. In addition, the stylus also can match with conventional touch screens in any size and any type; as the touch device is unnecessary to mount on the display, the size of the display is reduced correspondingly, and no cost is added along with the increase of the size of the display.

The invention belongs to the field of biological technology and in particular relates to a method for preparing L-cysteine through enzymatic conversion. The preparation method comprises the following steps of: mixing wet thallus with synthetase activity or crude enzyme liquid and mixed amino acid liquid containing L-serine, wherein the mixed amino acid liquid containing the L-serine serves a raw material; adding a proper amount of hydrosulfide or sulfide; performing enzymatic reaction under the conditions of temperature of between 25 and 55 DEG C and pH value of 6 to 11; introducing air or adding hydrogen peroxide dropwise into the L-cysteine generated by the reaction and oxidizing; separating by an isoelectric point crystallization method to obtain L-cystine; and performing electrolytic reduction to prepare the L-cysteine. According to the method, the problem of difficulty in separation and comprehensive utilization of the L-serine in the mixed amino acid liquid is solved; and the L-cysteine product with high additional value is obtained. The method has the advantages of wide material sources, low price, simplicity and convenience in operation, short enzymatic synthesis time, low production cost and the like.

The invention discloses a method for simultaneously testing stiffness, flexibility and drapability of a fabric. The method comprises the following steps: step one, tailoring a to-be-tested fabric intoa first rectangular sample and a second rectangular sample, and successively carrying out step two, step three, step four, step five and step six if i equals to 1, 2; step two, placing the ith rectangular sample on a fabric fixing device; step three, photographing the fabric by an image photographing device; step four, acquiring point cloud and a three-dimensional point cloud coordinate array byImageware software; step five, storing the three-dimensional point cloud coordinate array into a data file in an asc formate, and reopening the three-dimensional point cloud coordinate array in Imageware; step six, carrying out image and feature extraction in the Imageware software; and step seven, solving the flexural rigidity E and fabric draping coefficient of the to-be-tested fabric.

The invention relates to an EPON video camera adopting EPON optical fiber communication technology, comprising a camera lens, an image sensor module and a controller. The EPON video camera is structurally characterized by further comprising a video compression encoding module, an EPON ONU module and an analog/digital (A/D) video output interface module, wherein the video compression encoding module is used for compressing and encoding original image obtained by the image sensor module as well as encapsulating the original image into IP package signals; the EPON ONU module is used for receiving the IP package signals sent out by the video compression encoding module and completing optical fiber access of EPON; the analog/digital video output interface module is used for A/D conversion for the original image obtained by the image sensor module as well as outputting A/D image signals. The EPON video camera can meet the requirements of long-distance networking transmission and control of the large-scale video cameras, and not only has the functions of collecting and outputting image, but also the function of transmitting the image within a long distance by an optical fiber.

The invention discloses an electronic gear shifting mechanism for construction machinery, essentially comprising an input unit, an analysis unit, an execution unit and a feedback unit, which are connected serially. The input unit is connected with the direction column of a cab. A gear shifting signal is sent out by the combination handle of automatic resetting collection type and then transported to the analysis unit. The analysis unit processes the inputted gear shifting signal and provides an execution signal for the execution unit according to a position signal sent back by the feedback unit. The execution unit executes the execution dictates sent out by the analysis unit; consequently the gear shifting motion can be realized. The feedback unit tracks and sends back the actual situation of the gear shafting and transports the feedback signal to the analysis unit. The gear shifting movement of the invention accords with the stated operation mode, effectively prolonging the service life of a transmission case. Based on the change of the prior transmission case, the prior power source and the air supply of the vehicle can be used directly to realize the automatic operation mode of the speed-shifting mechanism without changing the transmission case and increasing the power unit. With a good succession, the production grade can be obviously improved.

Disclosed is a special forklift used for an aluminum ingot continuous casting production line. An online dynamic weighing method of an existing aluminum ingot continuous casting production line is changed to an online static weighing method, and an existing automatic online weigher arranged inside a finished product conveyor is changed to an external automatic online weigher. A finished aluminum ingot stack (2) is conveyed to a transfer position through a primary finished product conveying machine (3), then the finished aluminum ingot stack (2) is transferred to an electronic balance (4) through the special forklift (5) to be weighed, after being weighed, the finished aluminum ingot stack (2) is transferred to a secondary finished product conveying machine (1) through the special forklift (5), and at last, the finished aluminum ingot stack (2) is conveyed to a finished product storehouse through the secondary finished product conveying machine (1). The special forklift (5) returns to the original position to repeat a next cycle.

The invention discloses a method for separating dichloropropanol from a dichloropropanol hydrochloric acid solution through an alkane azeotrope agent. The method specifically comprises the following steps: adding the alkane azeotrope agent which is subjected to azeotropy with water to a dichloropropanol hydrochloric acid water solution; heating until the system reaches azeotropy; rectifying and cooling to separate a hydrochloric acid solution and the alkane azeotrope agent from a rectified component; distilling the non-rectified components under normal pressure to obtain high-purity dichloropropanol; and recycling the alkane azeotrope agent. The method is simple to operate; the complicated operation of extracting in a plurality of times is avoided; the separation efficiency is high; the cost is low; all materials can be recycled; the raw material utilization rate is high; and the environmental pollution is reduced.