48results about How to "Achieve the purpose of reusing" patented technology

The invention relates to a preparation method for a novel carbon pottery composite absorption material, comprising raw material preparation, kneading and forming, drying, high temperature activation and post treatment. By adopting a coke burning process to replace the present burning ceramic technology to prepare carbon pottery, the preparation method for a novel carbon pottery composite absorption material shortens the process period greatly as the temperature rising rate is improved and the activation temperature is reduced, thus being good for transforming the charcoal into activated carbon as well as for improving the yield and performance of the product and reducing the cost simultaneously. The prepared novel carbon pottery complex absorption material also has the advantages of water resistance, no spontaneous combustion, high intensity and large specific surface area.

The invention discloses an environment-friendly live poultry breeding greenhouse. The environment-friendly live poultry breeding greenhouse comprises a greenhouse body; the left lower end of the greenhouse body is provided with a first suction port, and the left end of the first suction port is communicated with a filter tank; the inner wall of the filter tank is provided with a filter screen, thefilter tank is communicated with an ultraviolet treatment tank through a fan, the inside of the ultraviolet treatment tank is provided with an ultraviolet sterilizing lamp, the bottom of the ultraviolet treatment tank is provided with a temperature regulator, and the left end of the ultraviolet treatment tank is provided with an exhaust tank; the left end of the exhaust tank is provided with an air inlet tank, the right upper corner of the inner wall of the air inlet tank is provided with a cooling device, and the connecting part of the air inlet tank and the exhaust tank is provided with a heat source exchange device; the top end of the air inlet tank is communicated with an air inlet pipe; the bottom end of the inner wall of the greenhouse body is provided with an automatic cleaning type pen house, and the bottom of the automatic cleaning type pen house is provided with a biogas digester. The environment-friendly live poultry breeding greenhouse relates to the technical field of live poultry breeding and achieves the aims of waste gas treatment, automatic manure cleaning, manure reutilization and water resource saving and accordingly is high in degree of environmental protection.

An inferior coal micro-oil ignition combustor comprises a streamlined air powder separation ring, a bidirectional cyclone oil combustor, a wing-shaped anti-friction block, a primary dense-phase coal powder combustion chamber, a secondary dilute-phase coal powder combustion chamber, a V-shaped cavity backflow blunt body, a circumferential cooling bellows and the like, employs a principle of gas-solid two phase flow separation, a principle of oil flame two-way cyclone ignition, backflow high-temperature flue gas of a blunt body, a principle of energy repeated utilization, a principle of coal powder graded ignition and energy gradual enlargement, forms a power field with low air speed, high density, strong eddy flow, strong backflow in the combustor, and creates favorable condition for firing coal powder, so as to effectively solve the problems of firing difficulty and low burn-out ratio of inferior coal. The combustor is capable of igniting inferior coal of 4 to 10 tons by using oil capacity of 150kg/h, which has an oil-saving ratio more than 80%, service life more than 4 years, and is beneficial for popularization in related industries.

The invention discloses a universal rotary type oil product filter cleaner provided with a differential pressure alarm and a replaceable filter element. The universal rotary type oil product filter cleaner comprises a casing and the filter element arranged in the casing, wherein a threaded connecting plate is arranged between an opening of the casing and an oil outlet of the filter element, and a butting threaded through hole is formed in the center of the threaded connecting plate and communicated with an oil outlet channel of a filter base of the filter cleaner; a plurality of oil inlet through holes are formed in the threaded connecting plate and communicated with an oil inlet channel in the filter base of the filter cleaner; the differential pressure alarm is arranged on the filter base; a plurality of symmetrically distributed convex teeth are arranged on an outer ring of the threaded connecting plate, grooves matched with the convex teeth are formed in the opening of the casing, and the threaded connecting plate is pressed and attached to the oil outlet of the filter element under the action of an elastic support piece at the bottom of the casing. According to the universal rotary type oil product filter cleaner provided with the differential pressure alarm and the replaceable filter element, the problems that the filter element in the casing of a conventional filter cleaner is non-replaceable and interchangeability of the filter cleaners produced by different manufacturers is poor are solved, the replacement is simple, the operation is easy, and the overpressure protection on the casing is easy to realize.

The invention relates to a refrigerant recovery process and system of a refrigerating system. The refrigerant recovery process and system are applicable to low-temperature systems of petrochemical plants. The refrigerant recovery process of the refrigerating system includes steps of: (1) setting a pressure value, and designing that pressure is reduced and refrigerants are discharged when pressure of a buffer tank exceeds the preset pressure value; (2) increasing pressure of the refrigerants discharged in step (1) after pressure relief to exceed that of a storage tank; (3) storing the pressure-increased refrigerants in the storage tank. The refrigerant recovery system of the refrigerating system comprises the buffer tank, wherein the buffer tank is connected with a compressor through an inlet pipe, the compressor is connected with the storage tank through an outlet pipe, and control valves are arranged on the inlet pipe and the outlet pipe respectively. The refrigerant recovery process and system can recover the refrigerants timely during the pilot run in the early period after start-up or when a device abnormally shuts down, so that massive waste of the refrigerants is avoided. Meanwhile, system energy consumption and production cost are reduced.

The invention provides a rear-mounted feeding numerical control lathe, which belongs to the field of mechanical technology. It solves the problem of inconvenient feeding of existing lathes. This post-feeding CNC lathe includes a frame on which a machine cover and a spindle located in the cover are installed. Slide rails are also provided on the frame, and a horizontal supporting plate is connected to the slide rails. It is connected with a longitudinal supporting plate, and a workbench is installed on the longitudinal supporting plate. There is a vibrating plate on one side of the frame and the vibrating plate is located behind the main shaft. , above the main shaft, there is a feeding mechanism that can be lifted vertically. The outlet end of the feeding channel is connected with the feeding mechanism. The plate is located under the main shaft and connected to the liquid outlet, and a recovery box is arranged on the other side of the frame and the recovery box is located under the liquid outlet. The invention has the advantages of simple structure and strong practicability.

The invention discloses a method for preparing an adsorbent from waste crop straws, a treatment method for treating wastewater with the adsorbent, a regeneration treatment method for treating the adsorbent after absorbing sewage, and belongs to the technical field of preparation and application of environment-friendly materials. The preparation method, the treatment method and the regeneration treatment method, provided by the invention have the characteristics that the raw material cost is low and the production process is simple. The preparation method comprises the steps of preparing raw materials, pulverizing a blank material and carbonizing. The treatment method comprises the steps of modulating the pH value, adding the adsorbent in proportion and stirring. The regeneration treatment method comprises the steps of preparing an HCl solution, adding the saturated adsorbent in proportion, stirring, flushing and drying.

The invention provides a recovery method and recovery equipment for a positive active material of a lithium ion battery, and the recovery method comprises the following steps: (1) soaking a scrapped positive plate in NMP (N-Methyl Pyrrolidone), heating to dissolve a binder in the positive plate in the NMP, and filtering and drying to obtain a positive waste material; and (2) adding LiNO3 and LiOH eutectic lithium salt into the positive electrode waste material, uniformly mixing, carrying out lithium supplement repair by adopting a solid phase method, and then carrying out high-temperature sintering. According to the method, the binder is dissolved through NMP, so that the positive electrode waste material can be separated from the current collector, then solid-phase lithium supplement repair is carried out on the positive electrode waste material and the eutectic lithium salt, and then high-temperature sintering is carried out, so that the positive electrode active material is obtained. The eutectic lithium salt is adopted, the sintering temperature of the eutectic lithium salt is low, the molten lithium salt can permeate into the surface and the interior of the positive electrode waste material at the low sintering temperature, and the sintered and repaired positive electrode active material can be more uniform. The solid-phase method is adopted for one-step sintering, the recovery rate is high, and the situation that an intermediate product needs to be prepared firstly and then cleaned and calcined in a hydrothermal reaction can be avoided.

The invention discloses a universal spin-on filter adopting a two-stage integrated composite filter element, which includes a shell and a filter element arranged inside the shell. The filter element includes an upper end cover, a lower end cover, filter paper and polyamide melt blown The mouth of the shell is provided with a threaded connecting plate, and a number of oil inlet through holes are arranged around the threaded through hole of the threaded connecting plate, and the oil entering the oil inlet pipe of the filter seat enters the shell and Between the filter elements; the outer edge of the threaded connecting plate is provided with a number of symmetrically distributed protruding teeth, and the mouth of the housing is provided with a groove matching the protruding teeth. The circumferential scale of the protruding teeth is smaller than that of the groove. The bottom of the body is provided with an elastic support, and under the action of the elastic support, the threaded connecting plate is pressed between the mouth of the housing and the oil outlet of the filter element. The invention solves the problem that the filter element in the existing filter housing cannot be replaced, has the characteristics of strong dirt holding capacity, high filtering precision, and is suitable for filtering various oil products.

The invention discloses a mask filter layer and a preparation method and application thereof, and belongs to the technical field of protective articles. The mask filter layer sequentially comprises amelt-blown non-woven fabric, a conductive electrode and a conductive-thermal conductive film from bottom to top; and the cross section of a three-layer structure formed by the melt-blown non-woven fabric, the conductive electrode and the conductive-thermal conductive film is I-shaped. Compared with an existing graphene mask, the improved flexible interdigital electrode is designed on the melt-blown non-woven fabric for the commercial surgical mask, and the melt-blown non-woven fabric for the commercial surgical mask is coated with a layer of water-based graphene ink with efficient electric conduction and heat conduction performance. The electrified filter layer not only can realize sterilization and disinfection, but also can recover the electrostatic adsorption capacity of the melt-blownnon-woven fabric, so that the filterability is improved, and the purpose of repeated use is achieved.

The invention discloses a water purification system for a pigpen. The water purification system comprises a waste liquid storage tank, a biochemical reaction and sedimentation tank, an activated carbon adsorber, a flocculator, a biochemical purifier and an acid-base neutralization balancing device, wherein the liquid storage tank communicates with the biochemical reaction and sedimentation tank through a pipeline; the biochemical reaction and sedimentation tank communicates with the top of the activated carbon adsorber through a pipeline; the lower end of the lateral surface of the activated carbon adsorber communicates with the flocculator filled with polyacrylamide flocculant through a pipeline; the flocculator communicates with a liquid pump through a pipeline; the liquid pump communicates with the biochemical purifier; the biochemical purifier communicates with the acid-base neutralization balancing device through a pipeline; an acid-base liquid feed port is arranged at the upper end of the acid-base neutralization balancing device; and the lateral surface of the acid-base neutralization balancing device is provided with a liquid outlet pipe. Thus, the water purification system is reasonable in design and compact in structure; and hiccup sewage from a pigpen can be favorably treated, so that the cyclic utilization standard is achieved, thereby being beneficial to water saving and environmental protection.

The invention discloses a chemical wastewater filtering and purifying device, belongs to the technical field of chemical environment-friendly treatment equipment, and solves the problem of poor filtering and purifying effects of existing chemical wastewater treatment. According to the technical scheme, the chemical wastewater filtering and purifying device comprises a device box body, a liquid inlet is formed in the device box body and penetrates through the device box body, the liquid inlet is connected with a filtering roller, a water inlet pipe is arranged below the filtering roller, the end, away from the filtering roller, of the water inlet pipe is connected with a first filtering box body, the first filtering box body is connected with a water passing pipe, the end, away from the first filtering box body, of the water passing pipe penetrates through a second filtering box body, the second filtering box body is connected with a water passing pipe, the end, away from the second filtering box body, of the water passing pipe penetrates through a third filtering box body, the third filtering box body is connected with a water passing pipe, the end, away from the third filtering box body, of the water passing pipe penetrates through a fourth filtering box body, and a first connecting water pipe is arranged in the fourth filtering box body; The filtering and purifying effects are good.

The invention provides an electro-adsorption-oxidation deep purification device for domestic wastewater/tap water. The electro-adsorption-oxidation deep purification device comprises a three-stage purification system (50), a three-stage purified water collection system (51) and a raffinate recovery system (52), wherein the three-stage purified water collection system (51) and the raffinate recovery system (52) are connected to the three-stage purification system (50). The three-stage purification system (50) comprises a three-stage purification system shell, a domestic wastewater or tap waterinlet (1), a first-stage treatment unit, a second-stage treatment unit, a third-stage treatment unit and a liquid separator (24), and the domestic wastewater or tap water inlet (1), the first-stage treatment unit, the second-stage treatment unit, the third-stage treatment unit and the liquid separator (24) are arranged in the three-stage purification system shell from top to bottom; the three-stage purified water collection system (51) comprises 3 liquid storage tanks arranged side by side, i.e., a rinsing water storage tank (32), a clean water storage tank (33) and a drinking water storage tank (34); and the raffinate recovery system (52) comprises a waste liquid storage tank (35) and a raffinate drain outlet (25). According to the device, the systems are simple in use, the treatment units of multiple stages can be comprehensively matched due to variation of water quality, disinfection byproducts in the domestic wastewater/tap water can be deeply purified, and the reutilization of thedomestic wastewater can be achieved.

The invention provides a special tungsten steel-tungsten steel welded type cutter for PCBs (printed circuit boards), which comprises a tungsten steel handle part, a tungsten steel head part and a cutter bit, wherein the tungsten steel handle part and the tungsten steel head part are connected through a silver soldering terminal and the temperature of silver soldering for connecting the tungsten steel handle part and the tungsten steel head is 400-420 DEG C. According to the invention, the tungsten steel handle part and the tungsten steel head are welded through silver soldering at 400-420 DEG C, the performances of tungsten steel cannot be changed at the welding temperature being 400-420 DEG C, and further the aim of recycling can be reached and the cost is lowered; and the special tungsten steel-tungsten steel welded type cutter is superior to a cutter completely made of tungsten steel in price. Moreover, tungsten steel which is a rare metal is saved and the production cost of a plant is lowered.

The invention discloses a grinding and polishing device and process, and relates to the technical field of grinding and polishing. The grinding and polishing device comprises a U-shaped frame and a bottom plate, a transverse rod is fixedly connected to one side of the middle of the U-shaped frame, a top plate is slidably connected to the top of the transverse rod, a collecting pool is fixedly connected to the middle of the top of the bottom plate through a supporting column, and the bottom of the collecting pool is fixedly connected with a collecting pipe. By arranging the top plate, raw materials do not need to be moved when the raw materials are processed, a grinding head and a liquid outlet pipe can be used for processing the raw materials at different working procedure time by moving the top plate, and therefore the purposes of saving the working procedures and improving the processing efficiency are achieved; and by arranging the collecting pipe, when polishing is carried out, polishing liquid in the collecting pool can be discharged, the polishing liquid enters a liquid storage tank again to be recycled, then the polishing liquid is pumped out again through a submersible pump, and therefore the purpose of reutilization is achieved.

The invention provides a wire rewinding device. The wire rewinding device comprises a wire placing device, a bunch box and a wire winding device, wherein the wire placing device is used for hanging awire wheel; the bunch box is used for concentrating the wire derived by the wire wheel; and the wire derived by the bunch box is guided into the wire winding device. According to the wire rewinding device, manual wire rewinding is replaced by the device, so that the working efficiency is greatly improved; in addition, by arranging the bunch box, hash wire can be guided in a concentrated way, the hash wire can be stably rewound, and the wire can be rewound for the problem wire wheel.

The invention provides a medical waste incineration treatment device and relates to the technical field of medical waste treatment. The medical waste incineration treatment device comprises a base. One side of the top of the base is fixedly connected with a first fixed platform. A crushing tank is arranged on the first fixed platform. Two rotary shafts are arranged in the crushing tank. The two rotary shafts are both fixedly connected with crushing rollers in a sleeved mode. The top of the crushing tank is provided with a feed port. The medical waste incineration treatment device can crush medical waste through a crushing structure in advance, can shorten the incineration time and improve the incineration efficiency, can improve the incineration quality through cooperation of a first incineration tank and a second incineration tank, can effectively filter incineration pollution gas through cooperation of a spray tower, a filter tower and a filter to reach the emission standard after completion of incineration and can realize cyclic utilization of spray water resources through a waste water filter tank.