35results about How to "Avoid Hazardous Situations" patented technology

The invention discloses a double-sided heating atomizing core, an atomizer and electronic cigarette. The electronic cigarette comprises an electronic cigarette body; a heating assembly is arranged in the center of the electronic cigarette body; an atomizing assembly is arranged outside the heating element; an oil reservoir assembly is arranged between the atomizing assembly and the electronic cigarette body; a suction nozzle is arranged in the upper portion of the electronic cigarette body; and a first air outlet is formed in the suction nozzle. The electronic cigarette has the beneficial effect that the heating assembly and an atomizer assembly of the electronic cigarette are integrated. The heating assembly can atomize and heat the tobacco tar and plant powder to improve the heating efficiency of the electronic cigarette and the using efficiency of the tobacco tar. The atomizer assembly can store the natural plant powder, then the plant powder is heated and atomized by the heating assembly after being soaked in tobacco tar basic liquid, so that a user absorbs the natural and pure aroma.

The invention relates to the technical field of air purifying and provides an air purifying system. The air purifying system overcomes the defects that an air purifying system in the prior art has the general defects of being poor in air purifying effect, high in side effect, low in intelligent degree, poor in use comfort of a user and the like. The air purifying system comprises an air purifier (4) fixedly arranged on the outer side of the wall of a room (3), an air supplying pipeline (5) communicated with an air outlet of the air purifier (4), an air pump (2) and an exhaust pipeline (1) communicated with an air sucking opening of the air pump (2). The air supplying pipeline (5) penetrates through and is fixed to the upper middle of the wall of the room (3), and the exhaust pipeline (1) penetrates through and is fixed to the lower portion of the wall of the room (3). Due to the structural layout arrangement of the air purifying system, all air in the room can be replaced within a short time when the air purifier and the air pump are started, and residual unpurified air cannot remain.

The invention relates to the field of adhesives, in particular to a silane modified polyurethane adhesive for a bottom layer material of a plastic runway and a preparation method and application of the silane modified polyurethane adhesive. The silane modified polyurethane adhesive is prepared from the following raw materials in parts by weight: 90 to 110 parts of polyether polyol, 20 to 30 partsof isocyanate silane, 0.1 to 1 part of an antioxidant, 0.01 to 0.05 part of a catalyst and 0.1 to 0.5 part of a stabilizer. The silane modified polyurethane adhesive has the advantages of being environmentally friendly, good in storage stability, low in viscosity, easy to construct and free of foaming after construction forming.

The invention discloses a cleaning and corrosion-preventing robot for an inner wall of a variable-diameter pipeline and a using method. The robot comprises a center rack, a pipeline inner wall cleaning assembly, a walking assembly and a pipeline inner wall preservative liquid spraying assembly which are sequentially arranged on the center rack from front to back. The method comprises the steps of: feeding the whole robot into a pipeline, making the walking assembly and the pipeline inner wall cleaning assembly in full contact with the inner wall of the pipeline, firstly starting the pipeline inner wall cleaning assembly, then starting the walking assembly, and making the whole robot to advance forwards at a constant speed in the length direction of the pipeline; when the pipeline inner wall preservative liquid spraying assembly moves to the cleaning starting position, starting the pipeline inner wall preservative liquid spraying assembly, and along with continuous forward movement of the robot, continuously carrying out cleaning and preservative liquid spraying operation on the inner wall of the pipeline; and when the robot moves to the variable-diameter position of the pipeline, if the inner diameter of the pipeline is increased, increasing the radial size of the pipeline inner wall cleaning assembly and the radial size of the walking assembly, and vice versa until cleaning of the inner wall of the variable-diameter pipeline and spraying of preservative liquid are completed.

The invention discloses integrated equipment for squeezing and refining crude linseed oil, and relates to the field of linseed oil processing. The integrated equipment comprises a crude oil squeezing device, a linseed oil deacidification and degumming device, a linseed oil deodorization device and an odor purification device. A squeezing barrel is fixed to the middle of the top of the crude oil squeezing device, and the middle of the outer surface of the squeezing barrel is sleeved with a cooling barrel; and valve pipes are mounted in the middle of the top and the middle of the bottom of the cooling barrel. By arranging the cooling barrel, the valve pipes and an exhaust fan, before the equipment is used, a worker can inject clear water into the cooling barrel by opening the valve pipes, and then in the process that the crude oil is squeezed by the crude oil squeezing device, the cooling barrel with the inner wall attached to the outer surface of the squeezing barrel can exchange heat with the squeezing barrel, so that the effects of heat dissipation and cooling are achieved, and the temperature in the squeezing barrel is not high; and meanwhile, heat dissipation can be further accelerated in cooperation with the exhaust fan, and thus the situation that heat is retained in linseed oil, and consequently adverse effects are caused is avoided.

The multifunctional paint spraying device comprises a fixing table, the front face of the fixing table is fixedly connected with a first supporting seat, the top of the first supporting seat is fixedly connected with a stirring tank, and the top of the stirring tank is fixedly connected with a stirring motor; an output shaft of the stirring motor penetrates into an inner cavity of the stirring tank and is fixedly connected with a rotating column, the bottom of the rotating column is movably connected with the inner wall of the stirring tank through a bearing, a stirring frame is arranged on the surface of the rotating column, and an inner cavity of the fixing table is movably connected with a placing table. According to the device disclosed by the invention, by arranging the fixing table, the effect of placing and fixing equipment elements is achieved, the situation of position deviation of the equipment elements in the using process is avoided, and then the stability of the device in the using process is improved; and the situation that the stirring tank topples and falls off due to vibration in the using process is avoided.

The invention relates to the technical field of air purifying and provides an air purifying system. The air purifying system overcomes the defects that an air purifying system in the prior art has the general defects of being poor in air purifying effect, high in side effect, low in intelligent degree, poor in use comfort of a user and the like. The air purifying system comprises an air purifier (4) fixedly arranged on the outer side of the wall of a room (3), an air supplying pipeline (5) communicated with an air outlet of the air purifier (4), an air pump (2) and an exhaust pipeline (1) communicated with an air sucking opening of the air pump (2). The air supplying pipeline (5) penetrates through and is fixed to the upper middle of the wall of the room (3), and the exhaust pipeline (1) penetrates through and is fixed to the lower portion of the wall of the room (3). Due to the structural layout arrangement of the air purifying system, all air in the room can be replaced within a short time when the air purifier and the air pump are started, and residual unpurified air cannot remain.

The invention relates to the technical field of textile production, and discloses a waste collecting device for textile processing and production. The waste collecting device for textile processing and production comprises a box body, wherein the side surface of an inner cavity of the box body is fixedly connected with a dust collection motor; an output shaft of the dust collection motor is fixedly sleeved with a dust collection fan; the side surface, located in an inner cavity of the bottom of the dust collection motor, of the box body is fixedly connected with an isolation plate; a dustproofnet is fixedly connected to the side face of the isolation plate; the other side of the dustproof net is fixedly connected to the side face of the inner cavity of the box body; the outer part of thebox body is fixedly sleeved with an observation block; and the side face of the inner cavity of the side wall of the box body is fixedly sleeved with a reset block. According to the waste collecting device for textile processing and production, through cooperation of the dust collection motor and the dust collection fan, textile waste can be better collected, waste caused by incomplete collectionof the textile waste is reduced, meanwhile, dust in a factory is reduced, and the situation that much dust is absorbed by workers so as to cause harm to the body health is avoided.

The invention discloses a method and a device for determining safety construction of a data center, relating to the communication technology field and solving the problem that the prior art cannot determine whether the high voltage transformer substation and the data center can be established on a same location before the construction of the transformer substation and the data center. The method disclosed by the invention comprises steps of calculating earth penitential rise according to resistor parameters, current parameters and short circuit current parameters of a ground grid, determining whether the earth potential rise is greater the threshold value of the preset safe earth potential rise, determining that a high voltage power transmission system and the data center cannot be established on the same location when the earth potential rise is greater than the threshold value of the preset safe earth potential rise.

The invention belongs to the technical field of garment processing, in particular to a deburring device for children's sweater production, comprising a support plate, the bottom of the support plate is provided with support legs, the top of the support plate is provided with a support frame, and the support plate The surface of the surface is provided with a rough trimming board, one side of the rough trimming board is provided with a scrap recovery box, the other side of the rough trimming board is provided with a floating wool cleaning box, and one side of the floating wool cleaning box is provided with support board. Through the set support frame, on the one hand, the sweater can be conveyed through the U-shaped chute; The storage capacity of the sweater is increased, and the floating hair left on the surface of the sweater after the sweater has been deburred can be processed through the set floating hair cleaning box.

The invention discloses a cloud platform-based radioactive source monitoring system and belongs to the radioactive source monitoring facility technical field. The system comprises a detection box bodyand a mounting plate; one side of the mounting plate is fixedly connected with a mounting block; a mounting slot is formed in one side of the mounting block, wherein the one side of the mounting block is far away from the mounting plate; clamping slots located at the top and bottom of the mounting groove respectively are formed in the mounting block; electric telescopic rods are fixedly connectedinside the clamping slots; and the extension ends of the electric telescopic rods penetrate the mounting groove and extend into the mounting groove. With the cloud platform-based radioactive source monitoring system of the invention adopted, a problem that monitoring equipment does not have a signal wireless transmission function can be solved; when a radioactive source leaks, the leakage condition of the radioactive source can be timely fed back to a monitoring center computer or the mobile terminal of monitoring personnel, and therefore, the radioactive source can be comprehensively monitored remotely, and the monitoring personnel can immediately lock a specific location where the radioactive source leaks, and perform timely processing.

A laser preparation method for a porous magnesium alloy for living organisms, comprising the following steps: S1, pre-mixing magnesium alloy powder and copper powder in proportion, and fully mixing through post-processing operations to obtain a mixed powder; S2, magnesium alloy powder The block is subjected to surface treatment; S3. According to the pore requirements of the porous magnesium alloy to be prepared, the processing track and the laser processing parameters are set; S4. The laser performs laser additive processing on the magnesium alloy block according to the processing track in step S3, The desired porous magnesium alloy is obtained. By optimizing the process parameters, the present invention can obtain a porous magnesium alloy with both main pores and micropores, and at the same time, no toxic and harmful substances are left, and it is not limited by molds and does not require vacuum casting. It can be applied to construction and medical industries, and has a large Improve the service life of the product.

An embodiment of the invention discloses a safe construction method and device for an evaluation data center, relates to the technical field of communication and can solve the problem that a method capable of determining the safe construction position relation between a high-voltage substation and a data center before construction is absent in the prior art. The method comprises the following steps: determining the current position relation between the data center and a high-voltage power transmission system; calculating first earth potential rise during short circuit of the high-voltage power transmission system when the data center and the high-voltage power transmission system are in the current position relation; judging whether the first earth potential rise is larger than the safe earth potential rise threshold value of the current position relation; adjusting the current position relation between the data center and the high-voltage power transmission system when the first earth potential rise is larger than the safe earth potential rise threshold value of the current position relation; determining the construction position relation between the data center and the high-voltage power transmission system is the current position relation when the first earth potential rise is not larger than the safe earth potential rise threshold value of the current position relation.