82results about How to "Eliminate bloat" patented technology

The invention relates to a method for treating low-temperature sewage by using a low-intensity ultrasound-enhanced membrane bioreactor, and belongs to a treatment method of low-temperature municipal sewage. The method can effectively solve the problems in the prior art of complex process, high treatment cost, large energy consumption and poor denitrification effect. The method comprises the following steps: membrane assemblies (4) are suspended in a membrane pond (3), an aeration device (6) is arranged at the bottom of the membrane pond (3) to complete the oxygenation and aeration of the low-temperature sewage inside the membrane pond (3), and the low-temperature sewage inside the membrane pond (3) is exposed to the low-intensity ultrasonic irradiation; the ultrasonic transducers (5) of a low-intensity ultrasound generator is arranged on frames (4-2) on both sides of the membrane assembly (4-1); the purified sewage is sucked under negative pressure by the membrane assemblies and the discharge is controlled by an intelligent control discharge system (7), and the concentrated sludge is returned to an anaerobic pond (1). The invention has the advantages of simple process, high stability, low energy consumption, high efficiency and good denitrification effect.

The invention discloses a method for preparing circulating fluidized bed fuel coal solid-state sulfur slag light concrete. The method is characterized by comprising the following steps of: pre-treating raw materials, namely grinding solid-state sulfur slag and quick lime; mixing, namely taking 60 to 95 mass parts of solid-state sulfur slag, 0 to 15 mass parts of cement, 0 to 20 mass parts of quick lime, 15 to 65 mass parts of water, and 0.1 to 0.6 mass part of water reducer which are taken as raw materials; adding water into a stirrer, sequentially adding solid-state sulfur slag, cement, quick lime and water reducer, and stirring to obtain slurry; and adding light-weight aggregate and mixing, namely adding 15 to 50 mass parts of light-weight aggregate into the stirrer, and stirring and mixing for 1 to 5 minutes to obtain the circulating fluidized bed fuel coal solid-state sulfur slag light concrete. The concrete prepared by the method has the characteristics of light weight, high intensity, low thermal coefficient, high heat insulation performance and the like; and the recycling of resources is facilitated, the pollution of stacking of the solid-state sulfur slag to environment is reduced, and environment is protected.

The invention discloses a nano metal powder preparing device and method based on a supercritical hydro-thermal synthesis technology, and belongs to the technical fields of chemical industry and environmental protection. According to the nano metal powder preparing device and method, disturbance to supercritical water is improved by arranging a static mixer, uniform jet flow and flow diversion of amaterial are achieved by designing an atomizing nozzle, accordingly, the mixing degree is increased, and heat transfer and mass transfer are improved. A plurality of parallel pipelines are designed by precisely calculating the flowing distance of fluid at a certain determined flow rate with certain time, and the reaction time is precisely controlled and can be flexibly changed. The fluid after reaction is directly cooled in a cold water spraying type quenching mode, thus, in the supercritical hydro-thermal synthesis reaction process, quick uniform mixing, precise timing reaction and quick sufficient cooling are achieved, and the quality of nano metal powder particle products is effectively ensured.

The invention discloses a composite track tracking control method for an unmanned underwater vehicle. The method includes the following steps that: S1, an unmanned underwater vehicle dynamic model under a geodetic coordinate system is constructed on the basis of a kinematic model and a dynamic model; S2, variable transformation is carried out on the basis of the unmanned underwater vehicle dynamicmodel; and S3, a Lyapunov function is defined according to a designed underwater vehicle controller, and the derivative of the Lyapunov function with respect to time is obtained through a matrix Young inequality, and it is proved that the composite tracking control method tends to be stable within a limited time, and the track tracking error of the method approaches to zero within the limited time; and S4, wind, wave, and flow disturbance conditions in an marine environment are simulated, and the desired track of the unmanned underwater vehicle is set, and a simulation experiment is designedto prove the effectiveness and superiority of the control method.

The invention relates to an airbag system comprising an airbag module, which has an opening mechanism for the airbag tear seam of a seat cover for the airbag accommodated underneath the cover in a non-visible manner, wherein the opening mechanism is configured such that the deploying force of the airbag tears a hole or holes into the tear seam, which bring(s) about a slight opening of the seam according to the physics of a ‘run,’ wherein a strip, or plurality of strips, or strip ends sewn into the airbag tear seam of the seat cover in more than one locations is / are torn from the seam driven by the deploying force of the airbag. The invention further relates to a vehicle seat comprising such an airbag system, and to a deployment method for such an airbag system.

The invention relates to a technique used acidity surfactant to remove oil well blocking and its formula and manufacturing method. The feature of the acidity surfactant formula is that its material weight ratio is as follows: polyoxy propylene-polyoxy ethylene glycerin ether 10-40%, polyoxy propylene-polyoxy ethylene phenol amine resin 10-45%, FC-NO1 fluorocarbon surfactant 0.0001%-0.035%, FC-3B fluorocarbon surfactant 0.0001%-0.05%, hydrochloric acid 3-10%, nitric acid 2-10%, and water 30-55%. The feature of the technique is as follows: the made-up 0.4%-0.6% acidity surfactant can be injected from hollow while running; then it can be replaced by 10-20m3 clear water. The invention has good effect and can improve yield.

The present invention provides a composition for regulating human body intestinal micro-ecology. The composition comprises stachyose and oligomannose as effective active ingredients. The composition provided by the invention can effectively regulate intestinal flora functions.

The present invention discloses a toxin removing and body slimming green plum fruit and a production technology thereof. The toxin removing and body slimming green plum fruit comprises the following raw materials in weight: 48-52 kg of plum fruits, 2.5-3.5 kg of Pu 'er tea, 4-5 kg of dried lotus leaves, 1.2-1.7 kg of licorice, 18-22 kg of white granulated sugar, 0.9-1.1 kg of edible salt, 2-3 kg of cassia seeds, 3-4 kg of dried lilies, and 4-5 kg of carcinia cambogia fruits. The cassia seeds, Pu'er tea, dried lotus leaves, licorice, dried lilies and carcinia cambogia fruits are ground into powders and mixed evenly, the mixture is added into a solution prepared by the white granulated sugar and water, the mixture solution is boiled and mixed evenly with the green plum fruits, and the mixture is added into a fermenting tank to conduct a normal temperature fermentation at a sealed and dark condition; and the toxin removing and body slimming green plum fruit is obtained by fixing and molding, drying, and aseptic packaging. The toxin removing and body slimming green plum fruit uses pure natural raw materials, is subjected to natural fermentation, produces probiotics and enzymes beneficial to human health, directly regulates human body metabolism, and has functions of regulating intestines and organs, regulating qi and activating blood, benefiting qi and activating blood, regulating spleen and stomach, promoting digestion and removing stagnancy, reconciling blood, etc.

The invention relates to a traditional Chinese medicine composition, in particular to the traditional Chinese medicine composition for treating colitis. The traditional Chinese medicine composition for treating the colitis is mainly prepared from the following bulk drugs by weight: 2 to 8 grams of radix puerariae, 3 to 9 grams of red ginseng, 3 to 9 grams of astraolylis lancea formalyrata, 2 to 6 grams of lentil, 3 to 9 grams of amomum fruit, 3 to 6 grams of rice shell, 2 to 6 grams of purslane, 2 to 5 grams of cinnamon, 2 to 5 grams of gordon euryale, 2 to 5 grams of radix sileris, 3 to 6 grams of gentiana macrophym pall, 3 to 6 grams of radix paeoniae alba, 3 to 12 grams of fructus toosendan, 3 to 9 grams of psoralea, 2 to 6 grams of nutmeg, 3 to 6 grams of shizandra berry, 2 to 10 grams of costus root, 2 to 5 grams of rhizoma coptidis, 2 to 6 grams of myrobalam fruit, 2 to 5 grams of dried ginger, 3 to 8 grams of hawthorn, 2 to 5 grams of liquorice, and 2 to 5 grams of Chinese yam rhizome. The traditional Chinese medicine composition has the advantages of good curative effect, high radical cure rate, and no toxic side effects.

The invention provides a fixed molten pool smelting furnace manufacturing process. A fixed molten pool smelting furnace comprises four parts of a furnace bottom, a furnace cylinder, a furnace body anda furnace top. According to the process, the different areas of the smelting furnace are constructed by adopting refractory materials of different materials, melt temperature and scouring of the corresponding areas are adapted, the service life of the smelting furnace is prolonged, ramming materials are smeared on the inner wall of a furnace body water jacket, the furnace body is effectively protected before furnace opening and slag adhering for the first time, the service life of the furnace body is prolonged, according to the furnace temperature and the material of the refractory materials,an expansion joint is reasonably arranged, high-aluminum ceramic fiber paper is laid between a refractory brick and the furnace body, expansion is effectively eliminated, the furnace body is prevented from being damaged, an inner side groove at the joint of the water jacket of the furnace body is blocked by round steel, the outer part is filled with refractory mortar, a corresponding anti-seepagelayer is arranged among layers of refractory materials, furnace leakage and smoke leakage are effectively prevented, the stopping maintenance frequency is reduced, and the production cost is reduced.

The invention relates to a production process of genuine leather, and relates to the technical field of leather processing. The method comprises the steps of batch grouping, water soaking, fleshing, liming, de-liming, softening, pickling, tanning, dyeing pretreatment, dyeing, fat liquoring, finishing pretreatment and finishing. Polyurethane, epoxy resin and acrylic resin emulsion are added into afinishing agent to form a uniform and transparent film on the surface of leather. A film formed by polyurethane is soft and extensible, epoxy resin becomes soft along with rising of temperature; flatfinishing is promoted, acrylic resin emulsion is not layered or caked and has a good coordination property; the bonding force between casein and leather is strong, the gloss is soft; casein and leather are compounded for use and mutually interacted, the adhesive force between a coating and genuine leather is good, the elasticity, the softness and the ductility are consistent with those of leather,the coating is not easy to crack and fall off when the leather is stretched, and the leather quality is improved.

The present invention discloses a method for producing calculus bovis with natural quality. The method comprises the following steps: adding natural rosemary to bile of domestic animal; heating the bile, then removing moisture through drying; preparing a biological enzyme, then adding the biological enzyme to the bile; carrying out precipitation treatment for the bile, and removing supernatant; drying the wet precipitate (calculus bovis) to obtain the calculus bovis product; carrying out warehousing for the product in 4 hours, wherein the product is stored under a shady and dried environment having a temperature less than 35 DEG C. With the present invention, the industrial preparation method for the calculus bovis with high yield and natural quality is provided; the insufficient supply of the calculus bovis for a long time is released, the benefit is provided for patients, and economic benefits of production enterprises are improved.

The invention relates to a duplex stainless steel forging and molding process. The heating time and heat preservation time are improved before forging, so that separation of a brittle precipitated phase of the duplex stainless steel is avoided, and trace elements in the alloy are homogenized. In the forging process, the rolling reduction of a forging machine is controlled, so that the stress of the duplex stainless steel is timely released at a high temperature. In addition, rounding once is performed when rolling down once by 100-150mm is performed in the upsetting process, so that the bulging condition occurring in the forging process is effectively eliminated. Therefore, the stress tensioned by the outer circle of the duplex stainless steel is pressure stress, and cracks are difficultly caused.

The invention discloses a sewage treatment system. The sewage treatment system comprises a mechanical grid, an adjusting tank, an anoxic pond, a membrane biological reaction tank, a sludge tank and aclear water tank, wherein sewage firstly passes through the mechanical grid to remove suspended solids and then enters the adjusting tank by virtue of a pipeline, the adjusting tank is used for adjusting water quality and water volume, a lift pump is arranged in the adjusting tank, the lift pump feeds water in the adjusting tank into the anoxic pond at regular time, anaerobic nitrification reaction is carried out on the sewage in the anoxic pond, then the sewage enters into the membrane biological reaction tank and is further oxidized and decomposed, then discharge standard is met, and the obtained water is fed into the clear water tank. The sewage treatment system disclosed by the invention has the advantages that floor area of the sewage treatment system is greatly reduced, due to a filtration function of a membrane, microorganisms are completely intercepted in a biological reactor, thorough separation of hydraulic retention time and activated sludge age is realized, and the problemof sludge expansion in the traditional activated sludge process is eliminated.

The invention discloses a method for preparing a moxa for balancing the Ying and Yang of the human body. By utilizing the method, pharmacological efficacy can be remarkably improved, and not only is the pharmacological range wide, but also the infiltration capacity of efficacy is high. The method is characterized in that according to percentage by weight, at least two types of formula combinationmedicinal materials, the total content of which is less than or equal to 10 percent, among membranous milkvetch root, salty Chinese corktree bark, common anemarrhena rhizome, integripetal rhodiola herb, common ginger rhizome, saffron crocus stigma and snow lotus herb are ground, the ground material and 90 percent or less of moxa are uniformly mixed and packaged, and thereby a Ying-nourishing moxaformula product is prepared. At least two types of formula combination medicinal materials, the total content of which is less than or equal to 10 percent, among tatarinowii sweetflag rhizome, eucommia bark, prepared common monkshood root , prepared liquorice root, saffron crocus stigma, snow lotus herb and Chinese eaglewood wood can also be ground, the ground material and 90 percent or above of moxa are uniformly mixed and packaged, and thereby a Yang-strengthening moxa formula product of the moxa for balancing the Ying and Yang is prepared. The invention solves the defects of single Chinesemugwort and wild mugwort moxa products in the prior art, i.e., low pharmacological efficacy, narrow physiotherapeutic range and indistinctive infiltration capacity of drug efficacy.

The invention relates to a medicine for treating stomach diseases, more specifically a traditional Tibetan medicine pill for strengthening the spleen and stomach. The medicine for treating stomach diseases is prepared from the following active pharmaceutical ingredients: myrobalam, tsaoko, calcite, travertine, pterocephalus hookeri heck, nutmeg, Herpetospermum pedunculosum, clove, safflower, pomegranate, costus root, pawpaw, honey, agilawood, Saxifrage, Zhaxun and cardamom. A preparation method comprises the following steps: pretreating raw materials, processing the medicines, pulverizing, sterilizing, screening, mixing, making into pills, baking, polishing, packaging and warehousing. The invention has the effects of strengthening the spleen and stomach, relieving pain, preventing or arresting vomiting, separating clear and excreting turbid, quickly reliving the spasm of the gastrointestinal smooth muscles, and improving the gastrointestinal functions so as to alleviate pain, eliminate gasterectasis, and belching and the like; and the invention can effectively kill Helicobacter pylori, resist inflammation, soothe the gastric acid, form a gastric mucosa protective shield, enhance the gastric mucosa blood flow and promote the restoration of the gastric mucosa, thereby thoroughly relieving the diseases. The invention has the advantages of quick effect taking, favorable curative effect, short treatment course, no side effect and high safety and reliability, is convenient to use, is a branded product of Tianzhu Traditional Tibetan Medicine, and is well welcomed by massive people and patients.

The present invention relates to a method for jointing seam between upper and lower concrete layers-of concrete wall body. Said method includes the following steps: a), Except for most upper layer concrete of said wall body making one side of upper end of every layer concrete into the form of inwards-recessed rectangular notch whose depth is L cm and height is H cm; b), along the outside edge of said above-mentioned notch sticking single-side-adhesive spongs strip whose width is B cm; c), mounting relative upper layer concrete form, pouring concrete and forming relative upper concrete layer; and d), removing form and cleaning out the above-mentioned stuck single-side-adhesive sponge strip.

The invention provides a stomach nourishing food conditioner. The stomach nourishing food conditioner comprises fructus chaenomelis, fructus citri sarcodactylis, endothelium corneum gigeriae galli, pericarpium citri reticulatae and semen raphani and is used for treating or conditioning gastritis. The invention further provides a method for the stomach nourishing food conditioner. The stomach nourishing food conditioner and the method have the advantages that symptoms of abdominal distention, sour regurgitation and belching can be effectively relieved by the stomach nourishing food conditioner and can be completely eliminated after the stomach nourishing food conditioner is administered for a month, and superficial gastritis and erosive gastritis can be completely recovered after the stomach nourishing food conditioner is administered for 3 months; components in the stomach nourishing food conditioner are completely food components, and the stomach nourishing food conditioner has good taste, is free of toxic and side effects, can be used as a healthcare product to be administered for a long term and also can be used as a double-healthcare product for treatment and conditioning.

The invention discloses a honey apple jam with weight-losing efficacy, and is prepared by the raw materials with the following proportion by weight: 20-80 parts of apple powder, 30-60 parts of honey, 1-20 parts of konjac powder and 10-20 parts of cold jelly seeds. By adding honey, konjac powder and cold jelly seeds into the apple jam with weight-losing efficacy, the honey apple jam can further improve weight-losing efficacy as well as taste and health care effect.

The invention discloses a steel product spot pricing method based on machine learning, and the method comprises the steps: screening spot related data of a product according to a business demand, anddetermining an analysis dimension; calculating a characteristic value for each single transaction record; clustering the historical similar orders, and respectively calculating historical order information of the similar orders; the historical order information obtained by the historical order clustering module is utilized to classify the historical orders into price adjustment orders and non-price adjustment orders, and classification model training is performed on data capable of finding historical similar orders and data incapable of finding historical similar orders so as to form two classifiers; respectively calling the two classifiers to predict whether the price is adjusted or not according to whether similar orders can be found or not for the data which is not transacted and is puton the day; for the predicted price adjustment data, calculating a price adjustment amplitude based on historical order information of similar orders in a time period; and optimizing the price adjustment amplitude obtained by the price adjustment amplitude prediction module.

A composite part, in particular a vehicle panel such as a car body attachment part, a movable glass cover, or an interior space lining, comprises a foamed plastic layer and an elongated, extruded plastic body. The elongated, extruded plastic body enhances stability of the car body attachment part, is reinforced with fibers, and is embedded in the plastic layer at least in sections.

The invention discloses a dynamic link library implementation method. The method comprises the steps of scanning a global variable in a source code of a library file and defining the global variable by using a macro, adding a structural body pointer parameter represented by macro definition to a function of each non-C runtime library in the source code of the library file, creating a header file and declaring a structural body pointer comprising all global variables, thereby obtaining a library file meeting format requirements; and detecting a link mode of the library file and correspondinglyconfiguring the library file according to the link mode. By adopting the method and the device, the cross-tool-chain availability of the dynamic link library in a microcontroller environment can be greatly improved, and the performance of the library under a static link condition is improved.

The invention discloses a pipe inner circumferential weld pressure test tool. The pipe inner circumferential weld pressure test tool comprises a cylindrical pressure test body (4), wherein a plurality of pulley blocks (5) are respectively arranged at the peripheries of two ends of the pressure test body (4) at intervals along the circumference; two rubber sealing rings (3) are arranged at the periphery of the pressure test body (4) at interval in the axial direction; the interior of each rubber sealing ring (3) is provided with an annular cavity; a hydraulic pipeline, an air exhaust pipeline and a water injection pipeline are arranged at one end of the pressure test body, the hydraulic pipeline is communicated to the inner annular cavity of one rubber sealing ring (3), and the air exhaust pipeline and the water injection pipeline are communicated to the outer wall surface of one section of pressure test body between the two rubber sealing rings (3). The invention also discloses a pipe inner circumferential weld pressure test method. Compared with the conventional pipeline integral pressure test method, the pipe inner circumferential weld pressure test method has the advantages that the pressure test range and the water injection amount required by a pressure test are greatly reduced, the working efficiency of the weld pressure test is improved, and the safety and reliability of the weld pressure test are enhanced; the problem of difficulty in a whole pressure test on a circumferential weld produced by new welding in the maintenance operation of a produced pipeline is solved.

The invention discloses an edible biological product for eliminating flatulence and repairing and nursing gastric mucosa. The edible biological product is prepared from raw materials of natural Chinese herbal medicine. Propolis supercritical extractive, endothelium corneum gigeriae galli, radix arnebiae seu lithospermi and perilla oil are utilized as ingredient medicine raw materials, separation extraction and low temperature centrifugal are performed on the raw materials by a CO2 supercritical technology, and then the raw materials are membrane separated to be prepared into the biological product. A formula and a manufacturing method of the edible biological product disclosed by the invention are unique, effectiveness and safety are integrated, and the edible biological product has very good effects on treating common gastric diseases, nursing and physically treating the stomach and eliminating gastrectasia, stomachache, stomach cold, dyspepsia, sour regurgitation and the like causedby stomach dysfunction and has an obvious use effect.

The invention relates to a method for treating wastewater of caprolactam production. The method of the invention employs a technology combining oxidizing agent pretreatment, iron-copper micro-electrolysis pretreatment and a membrane bioreactor (MBR). The method first conducts pretreatment to remove part of COD (chemical oxygen demand) and biological toxic substances from ammoximation wastewater, and then mixes the treated ammoximation wastewater with the rest wastewater of caprolactam production for MBR biochemical treatment. A biochemical treatment unit in the MBR system adopts a granular biomembrane filling material. In a membrane separation unit, a pulsed gas-containing water flow drives the granular biomembrane filling material to clean membrane components continuously. The method of the invention not only improves the treating effect to wastewater of caprolactam production, but also enhances the operation effect and system stability of the membrane separation system, and reduces treatment cost.

The invention discloses a battery pole piece group fixing frame, which is characterized in that the battery pole piece group fixing frame includes a bottom plate and an upper cover, the lower surface of the bottom plate and the upper surface of the upper cover are provided with elastic sheets and reinforcing ribs, and the upper cover also There are grasping jacks and through holes, and the bottom surface of the bottom plate is also provided with bottom plate concave holes. The connection mode of the bottom plate and the upper cover is a buckle connection or an external clamping device connection. The material of the bottom plate and the upper cover is aluminum, nickel, poly Propylene, polyethylene and other materials. The invention also discloses a battery provided with the fixing frame of the cell pole piece group. The invention can prevent the dislocation and spacing increase of the battery pole pieces during the production and assembly process of the battery pole piece group, prevent the expansion and deformation of the battery case, and ensure that the battery has excellent electrochemical performance. In addition, the present invention can also ensure that different types of batteries have efficient assembly process and production consistency, improve the assembly accuracy and production efficiency of batteries, and reduce the manufacturing cost.

The invention discloses Fuzhuan tea chewable tablets capable of promoting digestion. The Fuzhuan tea chewable tablets capable of promoting digestion are mainly prepared from the following raw materials in parts by weight: 1-10 parts of oat dietary fibers, 0.1-1 part of pomelo peel dietary fibers, 0.1-1 part of talcum powder, 0.1-1 part of polyvinylpyrrolidone, 0.1-1 part of magnesium stearate, 1-10 parts of froctooligosaccharide, 1-5 parts of stachyose, 0.1-1 part of maltodextrin, 0.1-1 part Fuzhuan tea, 0.1-1 part of haws, 0.1-1 part of honey, 0.1-1 part of poria cocos and 0.1-1 part of pinellia tubers. The Fuzhuan tea chewable tablets capable of promoting digestion can regulate the pH value of intestines and stomachs, regulate the intestinal tract flora, eliminate abdominal distension and promote digestion. After being taken for a long term, the Fuzhuan tea chewable tablets have the efficacy of treating indigestion.

The invention relates to a preparation method of chromium-free pickled leather, which can uniformly expand and be loosened properly, is beneficial to permeation and combination of tannins and dyes, and ensures that finished leather is soft and flat and fine in grain surface. Specifically, the following procedures are sequentially carried out: fur soaking, fleshing, pre-degreasing, enzyme depilating, alkali soaking, leather peeling, dealkalizing, degreasing and softening, pickling and pickled leather production, wherein the alkali soaking comprises the following steps: putting depilated leatherinto a rotary drum, controlling the liquid ratio to be 1.2-1.5, adding 0.2-0.5% of a penetrant and 0.5-0.8% of sodium hydrogen sulfide, and carrying out low-speed rotary drum treatment for 10-15 minutes; then, stopping operation of the drum and supplying water to adjust the pH value to be 7-8, sequentially adding 0.8%-1.0% of xonotlite fiber particles, 1.5%-3.0% of slaked lime and 0.8%-1.0% of alkaline leaching enzyme, performing low-speed rotary drum treatment at a low speed for 30-45 minutes, inspecting the leather, and washing the leather with water and discharging the leather from the drum after the expansion degree meets the requirement.

The invention discloses an ammonium salt-free and boric acid-free leather deashing agent. The ammonium salt-free and boric acid-free leather deashing agent is characterized by being a low-relative molecular mass hydrolysate obtained through deep hydrolysis of collagen as a raw material under a suitable condition. The ammonium salt-free and boric acid-free leather deashing agent can form a buffering system with the pH of 8-9 together with ash alkali in ash leather, and quickly permeates into the ash leather to obtain soft deashed naked leather. The ammonium salt-free and boric acid-free leatherdeashing agent can solve the technical problems that a lot of irritating ammonia gas and high-concentration ammonia nitrogen wastewater are produced during ammonium salt deashing, the biological treatment effect of wastewater is reduced during boric acid deashing, and the existing ammonium salt-free and boric acid-free deashing agent has poor pH buffering and permeability, and is an environment-friendly, easily-controlled-operation, economical and practical deashing agent.

Disclosed is a novel environment-friendly carbonized wood external wall decorative board wooden house. The outer surfaces of walls of an existing house are coated with carbonized wood decorative boards. The inner surfaces of the walls of the existing house are decorated with solid wood decorative boards. The novel environment-friendly carbonized wood external wall decorative board wooden house has the advantages that board materials are in tenon palm type finger joint, the area of a matched surface can be increased, and the disjointing or bending phenomenon is effectively reduced; all plug slots and jointing elements are made into trapezoids, and the boards and the jointing elements can be installed in a matched mode; when thermal expansion and cold contraction conditions appear, expansion and contraction caused by the thermal expansion and cold contraction conditions can be adjusted and eliminated and through the matched portions of the trapezoid structures, and cambering is effectively avoided; due to the fact that the jointing elements are installed on the inner sides of the boards, no influence is caused on the outer surfaces of the boards, rainwater can be prevented from entering the house through upper and lower side face joint structures of the external wall decorative boards, a certain gap is formed between the boards and the walls due to the tenon-based supporting structure, and the energy-saving and environment-friendly effects are achieved; the external wall surfaces are in finger joint with the external wall decorative boards through carbonized wood, wind and rain can be better resisted, and the service life of the novel environment-friendly carbonized wood external wall decorative board wooden house is prolonged.