CN110423097A

CN110423097A - The method of building block is quickly prepared under a kind of room temperature without furnace

Info

Publication number: CN110423097A
Application number: CN201910841474.1A
Authority: CN
Inventors: 李焕勇; 黄欢欢; 张春辉; 王乾; 罗发
Original assignee: Northwest University of Technology
Current assignee: Shaanxi Zhihangyu Armor New Materials Co.,Ltd.
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2019-11-08
Anticipated expiration: 2039-09-06
Also published as: CN110423097B

Abstract

The present invention relates to a kind of methods for quickly preparing building block under room temperature without furnace, in sintering preparation building block or fired brick, one or several kinds of water-soluble metal salting liquids are injected in adobe powder material, at normal temperature, without high temperature sintering kiln, without dry pug, adobe is not necessarily to drying, adobe without heating in advance, either ac or dc power stream fuel factor can be realized at normal temperature and directly quickly prepare building block or fired brick, have useful raw materials ingredient wide simultaneously, brickmaking technology is simple, sintering time is short high-efficient, hardware investment is small, energy utilization rate is high, with widely applicable, the good feature of energy-saving effect.It is suitable for large scale preparation building block or fired brick, has broad application prospects.

Description

The method of building block is quickly prepared under a kind of room temperature without furnace

Technical field

The invention belongs to building material technical fields, are related to a kind of method that no furnace quickly prepares building block, specifically relate to And the method for preparing various building blocks is formed under a kind of room temperature, without heating furnace, using the direct Fast Sintering of heating effect of current.

Background technique

The one hand tile by sintering preparation in construction material is commonly called as fired brick or brick (also including tile fragment), generally with Clay, shale, gangue, flyash and its mud (rivers lake silt) etc. are primary raw material, are handled through pug, molding, drying It is formed with high-temperature roasting, is mainly used for building load-bearing and the sintered building building block of non-bearing wall body or fired brick.According to being fired into How much fired brick can be divided into fired common brick, sintered perforated brick and sintered hollow block by the hole ratio of product；According to raw material difference point For sintered clay brick, fired fly ash brick, sintering shale brick etc..These common sintered building building blocks or fired brick are raw materials used Chemical component be mainly SiO₂、Al₂O₃、CaO、MgO、Fe₂O₃With the crystallization water etc., it is also possible to also containing a small amount of other alkali gold Category, alkaline earth oxide and the impurity such as other metal oxides or non-oxidized substance.

High-temperature roasting is a process indispensable in fired brick preparation, this process needs to consume a large amount of energy, Fired bricks all at present is required to for molding and dried moulded pottery not yet put in a kiln to bake body to be placed in the roasting of sintering kiln high temperature during the preparation process It burns or is sintered, there are hardware investments greatly, technique is cumbersome, drying time is long, sintering time is long, energy consumption is high, energy utilization rate is low etc. Multiple technologies defect.

Summary of the invention

Technical problems to be solved

In order to avoid the shortcomings of the prior art, the present invention proposes quickly to prepare building block without furnace under a kind of room temperature Method is a kind of without being heated at high temperature kiln, being not necessarily under dry pug, room temperature using the direct Fast Sintering preparation of heating effect of current The technology of various fired bricks solves current sintered building building block or fired brick in the deficiency of technology of preparing.

Technical solution

A method of no furnace quickly prepares building block, it is characterised in that: adobe powder material is clay powder, diatom Two or more in native powder, sandstone powder, shale powder, Coal gangue powder, flyash or mud powder；Or building is built The raw material of block or the chemical component in pug contain SiO₂、Al₂O₃, CaO, MgO or Fe₂O₃One or more of oxide；Or Simultaneously containing the crystallization water or absorption water；Or raw material contains one or more of following ingredient simultaneously: 1, the crystallization water or absorption Water；2, alkali metal oxide or alkaline earth oxide or other transition metal oxides or rare-earth oxide；3, non- Oxide or metal oxide double salt；The step of preparing the method for building block is as follows:

The weighing of step 1, adobe powder material: material powder is mixed according to common adobe ratio or arbitrary proportion, is obtained Adobe powder material is obtained, its weight is weighed；

Step 2 prepares water-soluble metal salting liquid: at 4~60 DEG C, by the one or several kinds of water-soluble metal salt point It is not dissolved in water independently, the salt of precipitating is generated for hydrolysis, hydrochloric acid or nitre acid for adjusting pH value is added, until solution is clarified, respectively One or several kinds water-soluble metal salt saturated aqueous solution is made；

Step 2: obtained one or several kinds of full solution of water-soluble metal salts being injected separately into adobe powder material, and are added Water stirs adobe powder to uniform, is aged 0.5~24 hour, then at 10 DEG C~100 DEG C by adobe powder material dry to Water content is 5~25%, and pug is made；Made wet pug is put into mold, applies pressure 1MPa~50MPa, so that mud Material molding, is made wet adobe；

The ratio that the total weight of the water-soluble metal salt accounts for adobe powder material weight is 1wt%~30wt%；

The 120wt% of low quality in adobe powder material gross mass of the water；

Step 3: at 4 DEG C~60 DEG C, the largest face of molding wet adobe being horizontally oriented, green body is placed in and is connected with directly Between galvanic electricity source or two electrodes of AC power source, so that two electrodes and green body are in close contact, power supply is opened, adjusts power supply work Making state is constant current mode, adjusts electric current and makes the current strength for being applied to green body both ends between 0.5A/cm²~25A/cm², and Applying and keep 0.1~10MPa of mechanical pressure by electrode, wet adobe body issues thermal sintering in electric current, energization 0.1min~ 20min obtains fired brick or the sintered building building block of certain consistency；

Metal material or fusing point of the electrode material using fusing point higher than 1800 DEG C are higher than 1800 DEG C of alloy material Or graphite material.

The electrode is plate electrode, and small round tube hole, through-hole diameter Φ 1mm are wherein evenly distributed on plate electrode ~5mm, 0.5~1/cm of through-hole distribution density²。

The partial size of the material powder is not more than 3.0mm.

The water uses distilled water or tap water.

The water-soluble metal salt is the water soluble salt of alkali metal, the water soluble salt of alkaline-earth metal or transition metal element Various water soluble salts.

The water soluble salt of the alkali metal: including alkali halide salts: ACl, A=Li, Na, K, Rb, Cs；Or alkali metal Sulfate: A₂SO₄, A=Li, Na, K, Rb, Cs；Or alkali nitrates: ANO₃, A=Li, Na, K, Rb, Cs；Or alkali metal carbon Hydrochlorate: A₂CO₃, A=Li, Na, K, Rb, Cs；Or alkali metal phosphate: A₃PO₄, A=Li, Na, K, Rb, Cs；Or the water of alkali metal Soluble organic acid salt.

The water soluble salt of the alkaline-earth metal: including halide: BCl₂, B=Mg, Ca, Sr, Ba；Or alkaline-earth metal nitric acid Salt: B (NO₃)₂, B=Mg, Ca, Sr, Ba.

The various water soluble salts of the transition metal element: including aluminium Al, zinc Zn, iron Fe, copper Cu, manganese Mn, nickel, cobalt Water-soluble halide salt, water soluble sulfate or the water of transition metal element described in Co, indium In, tin Sn, antimony Sb, bismuth Bi or zirconium Zr Dissolubility nitrate or water-soluble phosphate.

Beneficial effect

The method for quickly preparing building block under a kind of room temperature proposed by the present invention without furnace, with existing fired brick technology of preparing It compares, which may be implemented without high temperature sintering kiln, to be not necessarily to dried mud in sintering preparation building block or fired brick Without dry, adobe, without heating in advance, it is directly fast that either ac or dc power stream fuel factor can be realized in material, adobe at normal temperature Speed preparation building block or fired brick, at the same have useful raw materials ingredient is wide, brickmaking technology is simple, sintering time it is short it is high-efficient, Hardware investment is small, energy utilization rate is high, has the characteristics that widely applicable, energy-saving effect is good.It is suitable for large scale preparation building to build Block or fired brick, have broad application prospects.

Specific embodiment

Now in conjunction with embodiment, the invention will be further described:

Method without the preparation building block of furnace Fast Sintering at 1:10 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.5mm~3.0mm, partial size between The Coal gangue powder and partial size of 0.6mm~3.0mm between 0.1mm~2.5mm flyash powder according to 1:1:1 number ratio 210 grams, 210 grams, 210 grams are weighed respectively, are uniformly mixed and are obtained adobe powder material.

The preparation of step 2 sodium chloride saturated solution: 45 grams of pure grade sodium chloride powders of analysis are weighed, at 10 DEG C, by chlorination Sodium is added in 125mL distilled water, uniform with magnetic stirrer, until solution is clarified, the saturation of sodium chloride at 10 DEG C is made Solution；

The modulation and molding of step 3 adobe pug: the made sodium chloride saturated solution of step 2 is all injected into adobe powder In raw material, and adobe mud is stirred to uniform, ageing 24 hours, then by adobe at 45 DEG C after adding the tap water of 300mL Mud raw material is dried to water content 15%, and pug is made.Made wet pug is put into mold, pressure 50MPa is applied, so that The wet adobe having a size of 120 × 115 × 25mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 10 DEG C, the largest face level for the green body that step 3 obtains is taken To, green body is placed between two plate graphite electrodes for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 0.1MPa.Power supply is opened, is adjusted Power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 12A/cm², adobe is in electricity Fever sintering is flowed down, energization 1.1min obtains the building block that consistency is 88%.

Method without the preparation building block of furnace Fast Sintering at 2:25 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.5~3mm, partial size between 0.5~ The diatomite powder and partial size of 1.0mm between 0.05~0.8mm flyash powder according to the ratio of 1:1:1 take respectively 215 grams, 215 grams, 215 grams are uniformly mixed and obtain adobe powder material.

The preparation of step 2 sodium sulphate saturated solution: 25 grams of pure grade sodium sulphate powders of analysis are weighed, at 25 DEG C, by sulfuric acid Sodium is added in 125mL distilled water, uniform with magnetic stirrer, until solution is clarified, the saturation of sodium sulphate at 25 DEG C is made Solution；

The modulation and molding of step 3 adobe pug: the made sodium sulphate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 25 DEG C after adding the distilled water of 300mL Powder material is dried to water content 25%, and pug is made.Made wet pug is put into mold, pressure 1MPa is applied, so that The wet adobe having a size of 120 × 120 × 42mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 25 DEG C, the largest face level for the green body that step 3 obtains is taken To, green body is placed between two plate graphite electrodes for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 5mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 10MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 12.5A/cm², adobe is in electricity Fever sintering is flowed down, energization 0.9min obtains the building block that consistency is 86.8%.

Method without the preparation building block of furnace Fast Sintering at 3:20 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.08~1.2mm, partial size 0.5~ The flyash powder of 0.1~1mm of shale powder and partial size of 1.5mm takes 85 grams, 85 grams, 85 grams according to the ratio of 1:1:1 respectively, It is uniformly mixed and obtains adobe powder material.

The preparation of step 2 saturated potassium chloride solution: 17 grams of pure grade potassium chloride powders of analysis are weighed, at 20 DEG C, by chlorination Potassium is added in 100mL distilled water, uniform with magnetic stirrer, until solution is clarified, the saturation of potassium chloride at 20 DEG C is made Solution；

The modulation and molding of step 3 adobe pug: the made saturated potassium chloride solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 24 hours, then by adobe at 60 DEG C after adding the tap water of 100mL Powder material is dried to water content 11%, and pug is made.Made wet pug is put into mold, pressure 30MPa is applied, so that The wet adobe having a size of 60 × 15 × 20mm is made in mud material forming.

The direct current sintering densification of step 4 adobe: at 20 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with DC power supply, and make positive and negative anodes close with green body Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 5MPa.Power supply is opened, Adjustment power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 0.5A/cm², brick Base issues thermal sintering in electric current, and energization 20min obtains the building block that consistency is 82.2%.

Method without the preparation building block of furnace Fast Sintering at 4:20 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the shale powder of 0.1~1.5mm, partial size between 0.08~ The Coal gangue powder and partial size of 0.8mm takes 840 grams, 840 according to the ratio of 1:1:1 between the mud powder of 0.2~3.5mm respectively Gram, 840 grams, be uniformly mixed obtain adobe powder material.

The preparation of step 2 sodium nitrate saturated solution: 219 grams of pure grade sodium nitrate powders of analysis are weighed, at 20 DEG C, by nitric acid Sodium is added in 250mL distilled water, uniform with magnetic stirrer, until solution is clarified, the saturation of sodium nitrate at 20 DEG C is made Solution；

The modulation and molding of step 3 adobe pug: the made sodium nitrate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 35 DEG C after adding the tap water of 700mL Powder material is dried to water content 9%, and pug is made.Made wet pug is put into mold, pressure 50MPa is applied, so that The wet adobe having a size of 240 × 115 × 51mm is made in mud material forming.

The direct current sintering densification of step 4 adobe: at 20 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate tungsten electrodes for being connected with DC power supply, and connect two electrodes closely with green body Touching, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole, through-hole on the plate electrode of upper end Diameter of phi 2mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 0.1MPa.Power supply is opened, Adjustment power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 10.14A/cm², Adobe issues thermal sintering in electric current, and energization 1min obtains the building block that consistency is 78.2%.

Method without the preparation building block of furnace Fast Sintering at 5:20 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the diatomite powder of 0.1~0.8mm, partial size between 0.1 The flyash powder and partial size of~1.5mm takes 340 grams, 340 according to the ratio of 1:1:1 between the mud powder of 0.1~2mm respectively Gram, 340 grams, be uniformly mixed obtain adobe powder material.

The preparation of step 2 calcium chloride saturated solution: 112.5 grams of pure grade calcium chloride powders of analysis are weighed, at 20 DEG C, by chlorine Change calcium to be added in 150mL distilled water, it is uniform with magnetic stirrer, until solution is clarified, the full of calcium chloride at 20 DEG C is made And solution；

The modulation and molding of step 3 adobe pug: the made calcium chloride saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by brick at 100 DEG C after adding the distilled water of 600mL Base powder material is dried to water content 19%, and pug is made.Made wet pug is put into mold, pressure 30.5MPa is applied, So that mud material forming, is made the wet adobe having a size of 120 × 120 × 50mm.

The direct current sintering densification of step 4 adobe: at 20 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with DC power supply, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 2mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 5MPa.Power supply is opened, Adjustment power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 25A/cm², adobe Thermal sintering is issued in electric current, energization 0.5min obtains the building block that consistency is 88.3%.

Method without the preparation building block of furnace Fast Sintering at 6:20 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between 0.2~1.5mm shale powder and partial size between 0.1~ The mud powder of 2mm takes 750 grams and 1750 grams according to the ratio of 3:7 respectively, is uniformly mixed and obtains adobe powder material.

Step 2 prepares the saturated solution of sodium nitrate and calcium chloride respectively: weigh 262.8 grams of pure grade sodium nitrate powders of analysis and The sodium nitrate of weighing is added in 300mL distilled water at 20 DEG C, uses magnetic agitation by 223.5 grams of pure grade calcium chloride powders of analysis Device stirs evenly, until solution is clarified, the sodium nitrate saturated solution at 20 DEG C is made；300mL is added in the calcium chloride of weighing to steam It is uniform with magnetic stirrer in distilled water, until solution is clarified, the calcium chloride saturated solution at 20 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by adobe at 50 DEG C after adding the tap water of 400mL Powder material is dried to water content 8%, and pug is made.Made wet pug is put into mold, pressure 40MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 20 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 10MPa.Power supply is opened, is adjusted Power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 5A/cm², adobe is in electricity Fever sintering is flowed down, energization 13min obtains the building block that consistency is 87.8%.

Method without the preparation building block of furnace Fast Sintering at 7:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between 0.1~1.5mm shale powder and partial size between 0.1~ The mud powder of 2mm takes 750 grams and 1750 grams according to the ratio of 3:7 respectively, is uniformly mixed and obtains adobe powder material.

Step 2 prepares the saturated solution of ferric nitrate and potassium chloride respectively: weigh 175 grams of pure grade nitric acid iron powder bodies of analysis and The nitric acid iron powder body of weighing is added in 100mL distilled water at 40 DEG C for 40.1 grams of pure grade potassium chloride powders of analysis, is added The hydrochloric acid tune pH=3 of 1.0mol/L is clarified to solution, and uniform with magnetic stirrer, the ferric nitrate saturation being made at 40 DEG C is molten Liquid；The potassium chloride of weighing is added in 100mL distilled water, uniform with magnetic stirrer, the potassium chloride being made at 40 DEG C is full And solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by adobe at 30 DEG C after adding the tap water of 800mL Powder material is dried to water content 14%, and pug is made.Made wet pug is put into mold, pressure 40MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 12.32A/cm², brick Base issues thermal sintering in electric current, and energization 1.4min obtains the building block that consistency is 88.2%.

Method without the preparation building block of furnace Fast Sintering at 8:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the flyash powder of 0.1~1.1mm, partial size 0.8~ The Coal gangue powder and partial size of 2.3mm between 0.6~1.9mm clay powder according to the ratio of 6:3:1 take respectively 1500 grams, It 750 grams and 250 grams, is uniformly mixed and obtains adobe powder material.

Step 2 prepares the saturated solution of nickel nitrate, zinc chloride and cobalt chloride respectively: weighing 42 grams of pure grade nitric acid nickel powders of analysis Body, the pure grade zinc chloride powder of 174.8 grams of analyses and 23.88 grams of pure grade cobalt chloride powders of analysis, at 30 DEG C, by the nitric acid of weighing Nickel powder body is added in 40mL distilled water, and the hydrochloric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, equal with magnetic stirrer It is even, the nitric acid nickel-saturated liquor at 30 DEG C is made；The zinc chloride powder of weighing is added in 40mL distilled water, 1.0mol/L is added Hydrochloric acid tune pH=3 to solution clarify, it is uniform with magnetic stirrer, the zinc chloride saturated solution at 30 DEG C is made；It will claim The cobalt chloride powder of amount is added in 40mL distilled water, and the hydrochloric acid tune pH=3 that 1.0mol/L is added is clarified to solution, uses magnetic agitation Device stirs evenly, and the cobalt chloride saturated solution at 30 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by adobe at 50 DEG C after adding the tap water of 1200mL Powder material is dried to water content 10%, and pug is made.Made wet pug is put into mold, pressure 40MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 4mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 1MPa.Power supply is opened, is adjusted Power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 12.32A/cm², adobe Thermal sintering is issued in electric current, energization 1.5min obtains the building block that consistency is 84.5%.

Method without the preparation building block of furnace Fast Sintering at 9:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the flyash powder of 0.1~1.1mm, partial size between 0.8 The Coal gangue powder and partial size of~2mm takes 500 grams, 750 according to the ratio of 2:3:5 between the clay powder of 0.6~2.5mm respectively Gram and 1250 grams, be uniformly mixed obtain adobe powder material.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 11.5 hours, then by adobe at 45 DEG C after adding the tap water of 880mL Powder material is dried to water content 11%, and pug is made.Made wet pug is put into mold, pressure 40MPa is applied, so that The wet adobe having a size of 240 × 115 × 52mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate molybdenum electrodes for being connected with AC power source, and connect two electrodes closely with green body Touching, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole, through-hole on the plate electrode of upper end Diameter of phi 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 8MPa.Power supply is opened, is adjusted Power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.04A/cm², adobe Thermal sintering is issued in electric current, energization 72s obtains the building block that consistency is 87.2%.

Method without the preparation building block of furnace Fast Sintering at 10:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between 0.7~3mm flyash powder and partial size between 0.2~ The diatomite powder of 2.3mm takes 2250 grams and 250 grams according to the ratio of 9:1 respectively, is uniformly mixed and obtains adobe powder material.

Step 2 prepares the saturated solution of copper nitrate and manganese chloride respectively: weigh 163 grams of pure grade copper nitrate powders of analysis and The copper nitrate powder of weighing is added in 100mL distilled water at 40 DEG C for 88.5 grams of pure grade manganese chloride powders of analysis, is added The hydrochloric acid tune pH=3 of 1.0mol/L is clarified to solution, and uniform with magnetic stirrer, the copper nitrate saturation being made at 40 DEG C is molten Liquid；The manganese chloride powder of weighing is added in 100mL distilled water, the hydrochloric acid tune pH=3 that 1.0mol/L is added is clarified to solution, is used Magnetic stirrer is uniform, and the manganese chloride saturated solution at 40 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by adobe at 40 DEG C after adding the tap water of 960mL Powder material is dried to water content 20%, and pug is made.Made wet pug is put into mold, pressure 40MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 10MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.41A/cm², brick Base issues thermal sintering in electric current, and energization 76s obtains the building block that consistency is 88.4%.

Method without the preparation building block of furnace Fast Sintering at 11:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between 0.7~3mm flyash powder and partial size between 0.2~ The diatomite powder of 3mm takes 1562.5 grams and 937.5 grams according to the ratio of 5:3 respectively, is uniformly mixed and obtains adobe powder material.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by adobe at 50 DEG C after adding the tap water of 960mL Powder material is dried to water content 7%, and pug is made.Made wet pug is put into mold, pressure 40MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The direct current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate zirconium titanium maxter alloy electrodes for being connected with DC power supply, and make two electrodes and base Body is in close contact, and wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small circle on the plate electrode of upper end Through-hole, through-hole diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 7MPa.It is open-minded Power supply, adjustment power work state are constant current mode, adjust electric current and the current strength for being applied to green body both ends is made to be 13.22A/ cm², adobe issues thermal sintering in electric current, and energization 72s obtains the building block that consistency is 88.2%.

Method without the preparation building block of furnace Fast Sintering at 12:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the flyash powder of 0.3~2mm, partial size between 0.2~ The diatomite powder and partial size of 1.5mm between 0.1~1.6mm diatomite powder according to the ratio of 1:1:1 take respectively 1000 grams, It 1000 grams and 1000 grams, is uniformly mixed and obtains adobe powder material.

Step 2 prepares the saturated solution of aluminum nitrate and calcium chloride respectively: weigh 88.7 grams of pure grade aluminum nitrate powders of analysis and The aluminum nitrate powder of weighing is added in 100mL distilled water at 40 DEG C for 128 grams of pure grade calcium chloride powders of analysis, is added The hydrochloric acid tune pH=3 of 1.0mol/L is clarified to solution, and uniform with magnetic stirrer, the aluminum nitrate saturation being made at 40 DEG C is molten Liquid；The calcium chloride powder of weighing is added in 100mL distilled water, it is uniform with magnetic stirrer, the chlorination at 40 DEG C is made Calcium saturated solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 10.5 hours, then by adobe at 40 DEG C after adding the tap water of 860mL Powder material is dried to water content 20%, and pug is made.Made wet pug is put into mold, pressure 1MPa is applied, so that The wet adobe having a size of 240 × 115 × 55mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 1MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.04A/cm², adobe exists Electric current issues thermal sintering, and energization 75s obtains the building block that consistency is 88.1%.

Method without the preparation building block of furnace Fast Sintering at 13:4 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.3~3mm, partial size between 0.3~2mm Diatomite powder and partial size between the shale powder of 0.1~1mm take 845 grams, 845 grams, 845 respectively according to the ratio of 1:1:1 Gram, it is uniformly mixed and obtains adobe powder material.

The preparation of step 2 sodium nitrate saturated solution: 76.5 grams of pure grade sodium nitrate powders of analysis are weighed, at 4 DEG C, by nitric acid Sodium is added in 100mL distilled water, uniform with magnetic stirrer, until solution is clarified, the saturation that sodium nitrate at 4 DEG C is made is molten Liquid.

The modulation and molding of step 3 adobe pug: the made sodium nitrate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 50 DEG C after adding the tap water of 800mL Powder material is dried to water content 5%, and pug is made.Made wet pug is put into mold, applies pressure 41.5MPa, makes Mud material forming is obtained, the wet adobe having a size of 240 × 115 × 53mm is made.

The alternating current sintering densification of step 4 adobe: at 4 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 12.68A/cm², brick Base issues thermal sintering in electric current, and energization 78s obtains the building block that consistency is 87.5%.

Method without the preparation building block of furnace Fast Sintering at 14:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.1~1.2mm, partial size between 0.2~ The diatomite powder and partial size of 1.5mm takes 845 grams, 845 according to the ratio of 1:1:1 between the Coal gangue powder of 0.8~3mm respectively Gram, 845 grams, be uniformly mixed obtain adobe powder material.

Step 2 matches the saturated solution of potassium sulfate making and copper chloride respectively: weigh 14.8 grams of pure grade potassium sulfate powders of analysis and The potassium sulfate powder of weighing is added in 100mL distilled water at 40 DEG C, uses magnetic force by 87.6 grams of pure grade copper chloride powders of analysis Blender stirs evenly, and the potassium sulfate saturated solution at 40 DEG C is made；100mL distilled water is added in the copper chloride powder of weighing In, the hydrochloric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, it is uniform with magnetic stirrer, the chlorination at 40 DEG C is made Copper saturated solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 11 hours, then by adobe powder at 48 DEG C after adding the tap water of 800mL Pug is made to water content 8% in body material dry.Made wet pug is put into mold, applies pressure 2MPa, so that pug Molding, is made the wet adobe having a size of 240 × 115 × 53mm.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 6MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.04A/cm², brick Base issues thermal sintering in electric current, and energization 76s obtains the building block that consistency is 88.1%.

Method without the preparation building block of furnace Fast Sintering at 15:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.2~1.5mm, partial size between 0.1~ The diatomite powder and partial size of 1.2mm between 0.3~2.5mm mud powder according to the ratio of 1:1:1 take respectively 1000 grams, 1000 grams, 1000 grams are uniformly mixed and obtain adobe powder material.

Step 2 prepares the saturated solution of barium chloride and zinc sulfate respectively: weigh 114.3 grams of pure grade barium chloride powders of analysis and The barium chloride powder of weighing is added in 300mL distilled water at 30 DEG C, uses magnetic force by 183.9 grams of pure level zinc sulfate powders of analysis Blender stirs evenly, and the barium chloride saturated solution at 30 DEG C is made；300mL distilled water is added in the zinc sulfate powder of weighing In, the hydrochloric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, it is uniform with magnetic stirrer, the sulfuric acid at 30 DEG C is made Zincification solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 11 hours, then by adobe powder at 48 DEG C after adding the tap water of 800mL Pug is made to water content 8% in body material dry.Made wet pug is put into mold, applies pressure 40MPa, so that mud Material molding, is made the wet adobe having a size of 240 × 115 × 55mm.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate tungsten electrodes for being connected with AC power source, and connect two electrodes closely with green body Touching, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole, through-hole on the plate electrode of upper end Diameter of phi 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 4MPa.Power supply is opened, is adjusted Power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.77A/cm², adobe Thermal sintering is issued in electric current, energization 69s obtains the building block that consistency is 88.1%.

Method without the preparation building block of furnace Fast Sintering at 16:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.3~1.8mm, partial size between 0.1~ The shale powder and partial size of 1.2mm takes 846 grams, 846 according to the ratio of 1:1:1 between the Coal gangue powder of 0.4~2.5mm respectively Gram, 846 grams, be uniformly mixed obtain adobe powder material.

The preparation of step 2 manganese chloride, nickel nitrate and cobaltous sulfate saturated solution: 80.8 grams of pure grade chlorination manganese powders of analysis are weighed Body, the pure grade nickel nitrate powder of 105 grams of analyses and 42 grams of pure grade cobaltous sulfate powders of analysis, at 30 DEG C, by the chlorination manganese powder of weighing Body is added in 100mL distilled water, and the hydrochloric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, uniform with magnetic stirrer, The manganese chloride saturated solution at 30 DEG C is made；The nickel nitrate powder of weighing is added in 100mL distilled water, is added 1.0mol/L's Hydrochloric acid tune pH=3 to solution clarify, it is uniform with magnetic stirrer, the nitric acid nickel-saturated liquor at 30 DEG C is made；It will weigh Cobaltous sulfate powder be added in 100mL distilled water, the hydrochloric acid tune pH=3 of 1.0mol/L is added and is clarified to solution, uses magnetic agitation Device stirs evenly, and the cobaltous sulfate saturated solution at 30 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 48 DEG C after adding the distilled water of 900mL Pug is made to water content 6% in body material dry.Made wet pug is put into mold, pressure 42.3MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 3MPa.Power supply is opened, Adjustment power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.77A/cm², Adobe issues thermal sintering in electric current, and energization 50s obtains the building block that consistency is 81.3%.

Method without the preparation building block of furnace Fast Sintering at 17:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.1~1.8mm, partial size between 0.2~ The shale powder and partial size of 1.2mm between 0.2~2.5mm Coal gangue powder according to the ratio of 2:1:1 take respectively 1250 grams, 625 grams, 625 grams are uniformly mixed and obtain adobe powder material.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 38 DEG C after adding the tap water of 1000mL Pug is made to water content 25% in body material dry.Made wet pug is put into mold, applies pressure 1MPa, so that mud Material molding, is made the wet adobe having a size of 240 × 115 × 53mm.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 3mm, 0.5/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 8MPa.Power supply is opened, Adjustment power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 14.13A/cm², Adobe issues thermal sintering in electric current, and energization 70s obtains the building block that consistency is 90%.

Method without the preparation building block of furnace Fast Sintering at 18:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.3~1.8mm, partial size between 0.3~ The shale powder and partial size of 1.2mm takes 847 grams, 847 according to the ratio of 1:1:1 between the mud powder of 0.1~1.3mm respectively Gram, 847 grams, be uniformly mixed obtain adobe powder material.

Step 2 prepares the saturated solution of magnesium chloride, sodium nitrate and lithium sulfate respectively: weighing 55.8 grams of pure grade magnesium chlorides of analysis Powder, the pure grade sodium nitrate powder of 94.9 grams of analyses and 34.2 grams of pure grade sulfuric acid powder for lithium of analysis, at 30 DEG C, by the chlorination of weighing Magnesium powder body is added in 100mL distilled water, and the hydrochloric acid tune pH=3 that 1.0mol/L is added is clarified to solution, uses magnetic stirrer Uniformly, the magnesium chloride saturated solution at 30 DEG C is made；The sodium nitrate powder of weighing is added in 100mL distilled water, is stirred with magnetic force It mixes device to stir evenly, the sodium nitrate saturated solution at 30 DEG C is made；The sulfuric acid powder for lithium of weighing is added in 100mL distilled water, The hydrochloric acid tune pH=3 that 1.0mol/L is added is clarified to solution, and uniform with magnetic stirrer, the lithium sulfate being made at 30 DEG C is full And solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 38 DEG C after adding the tap water of 1100mL Pug is made to water content 15% in body material dry.Made wet pug is put into mold, pressure 12.5MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 1MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.41A/cm², adobe exists Electric current issues thermal sintering, and energization 85s obtains the building block that consistency is 89.5%.

Method without the preparation building block of furnace Fast Sintering at 19:20 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.2~1.8mm, partial size between 0.1~ The Coal gangue powder and partial size of 1.2mm takes 845 grams, 845 according to the ratio of 1:1:1 between the mud powder of 0.1~1.3mm respectively Gram, 845 grams, be uniformly mixed obtain adobe powder material.

The preparation of step 2 calcium chloride, aluminum nitrate and sodium sulphate saturated solution: 74.5 grams of pure grade calcium chloride powders of analysis are weighed Body, the pure grade aluminum nitrate powder of 73.9 grams of analyses and 19.5 grams of pure grade sodium sulphate powders of analysis, at 20 DEG C, by the calcium chloride of weighing Powder is added in 100mL distilled water, uniform with magnetic stirrer, and the calcium chloride saturated solution at 20 DEG C is made；It will weigh Aluminum nitrate powder be added in 100mL distilled water, the hydrochloric acid tune pH=3 of 1.0mol/L is added and is clarified to solution, uses magnetic agitation Device stirs evenly, and the aluminum nitrate saturated solution at 20 DEG C is made；The sodium sulphate powder of weighing is added in 100mL distilled water, magnetic Power blender stirs evenly, and the sodium sulphate saturated solution at 20 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 48 DEG C after adding the tap water of 700mL Pug is made to water content 5% in body material dry.Made wet pug is put into mold, pressure 22.1MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 20 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 1MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.41A/cm², adobe exists Electric current issues thermal sintering, and energization 87s obtains the building block that consistency is 89.5%.

Method without the preparation building block of furnace Fast Sintering at 20:60 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.3~1.8mm, partial size between 0.1~ The flyash powder and partial size of 1.2mm takes 900 grams, 900 according to the ratio of 1:1:1 between the mud powder of 0.2~1.3mm respectively Gram, 900 grams, be uniformly mixed obtain adobe powder material.

The preparation of step 2 potassium nitrate saturated solution: weighing 106 grams of pure grade potassium nitrate powders of analysis will be above-mentioned at 60 DEG C Powder is added in 100mL distilled water, uniform with magnetic stirrer, until solution is clarified, the potassium nitrate being made at 60 DEG C is full And solution.

The modulation and molding of step 3 adobe pug: the made potassium nitrate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 48 DEG C after adding the distilled water of 900mL Powder material is dried to water content 9%, and pug is made.Made wet pug is put into mold, pressure 2.2MPa is applied, so that The wet adobe having a size of 240 × 115 × 55mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 60 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.48A/cm², adobe exists Electric current issues thermal sintering, and energization 78s obtains the building block that consistency is 89.6%.

Method without the preparation building block of furnace Fast Sintering at 21:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the diatomite powder of 0.3~1.8mm, partial size between 0.1 The shale powder and partial size of~1.2mm between 0.1~1.3mm Coal gangue powder according to the ratio of 1:1:1 take respectively 845 grams, 845 grams, 845 grams are uniformly mixed and obtain adobe powder material.

The preparation of step 2 zinc nitrate saturated solution: weighing 211 grams of pure grade zinc nitrate powders of analysis will be above-mentioned at 40 DEG C Powder is added in 100mL distilled water, and the nitric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, equal with magnetic stirrer It is even, the zinc nitrate saturated solution at 40 DEG C is made.

The modulation and molding of step 3 adobe pug: the made zinc nitrate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 47 DEG C after adding the distilled water of 900mL Powder material is dried to water content 11%, and pug is made.Made wet pug is put into mold, pressure 5MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 0.5MPa.Power supply is opened, is adjusted Power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 18A/cm², adobe is in electricity Fever sintering is flowed down, energization 40s obtains the building block that consistency is 82.5%.

Method without the preparation building block of furnace Fast Sintering at 22:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the diatomite powder of 0.3~1.9mm, partial size between 0.1 The shale powder and partial size of~1.2mm between 0.2~1.5mm flyash powder according to the ratio of 1:1:1 take respectively 845 grams, 845 grams, 845 grams are uniformly mixed and obtain adobe powder material.

The preparation of step 2 ferric nitrate saturated solution: weighing 175 grams of pure grade nitric acid iron powder bodies of analysis will be above-mentioned at 40 DEG C Powder is added in 100mL distilled water, and the nitric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, equal with magnetic stirrer It is even, the ferric nitrate saturated solution at 40 DEG C is made.

The modulation and molding of step 3 adobe pug: the made ferric nitrate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 47 DEG C after adding the distilled water of 900mL Powder material is dried to water content 16%, and pug is made.Made wet pug is put into mold, applies pressure 12.0MPa, makes Mud material forming is obtained, the wet adobe having a size of 240 × 115 × 52mm is made.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.77A/cm², adobe exists Electric current issues thermal sintering, and energization 78s obtains the building block that consistency is 84%.

Method without the preparation building block of furnace Fast Sintering at 23:40 DEG C of embodiment

The weighing of step 1 adobe powder material: partial size is situated between 0.1 between the diatomite powder of 0.4~1.9mm, partial size~ The shale powder and partial size of 1.2mm takes 845 grams, 845 according to the ratio of 1:1:1 between the mud powder of 0.1~1.5mm respectively Gram, 845 grams, be uniformly mixed obtain adobe powder material.

The preparation of step 2 copper nitrate saturated solution: weighing 163 grams of pure grade copper nitrate powders of analysis will be above-mentioned at 40 DEG C Powder is added in 100mL distilled water, and the nitric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, equal with magnetic stirrer It is even, the copper nitrate saturated solution at 40 DEG C is made.

The modulation and molding of step 3 adobe pug: the made copper nitrate saturated solution of step 2 is all injected into adobe powder In raw material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe at 47 DEG C after adding the tap water of 900mL Powder material is dried to water content 10%, and pug is made.Made wet pug is put into mold, pressure 30MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 5MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.77A/cm², brick Base issues thermal sintering in electric current, and energization 78s obtains the building block that consistency is 89%.

Method without the preparation building block of furnace Fast Sintering at 24:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the diatomite powder of 0.1~1.9mm, partial size between 0.1 The Coal gangue powder and partial size of~1.2mm takes 845 according to the ratio of 1:1:1 between the flyash powder of 0.2~1.5mm respectively Gram, 845 grams, 845 grams, be uniformly mixed obtain adobe powder material.

Step 2 prepares the saturated solution of lithium chloride and sodium sulphate respectively: weigh 224.5 grams of pure grade chlorination powder for lithium of analysis and The chlorination powder for lithium of weighing is added in 250mL distilled water at 40 DEG C for 122 grams of pure grade sodium sulphate powders of analysis, is added The hydrochloric acid tune pH=3 of 1.0mol/L is clarified to solution, and uniform with magnetic stirrer, the lithium chloride saturation being made at 40 DEG C is molten Liquid；The sodium sulphate powder of weighing is added in 250mL distilled water, it is uniform with magnetic stirrer, the sulfuric acid at 40 DEG C is made Sodium saturated solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 47 DEG C after adding the tap water of 500mL Pug is made to water content 6% in body material dry.Made wet pug is put into mold, pressure 22.3MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate zirconium titanium maxter alloy electrodes for being connected with AC power source, and make two electrodes and base Body is in close contact, and wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small circle on the plate electrode of upper end Through-hole, through-hole diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 5MPa.It is open-minded Power supply, adjustment power work state are constant current mode, adjust electric current and the current strength for being applied to green body both ends is made to be 13.59A/ cm², adobe issues thermal sintering in electric current, and energization 78s obtains the building block that consistency is 88.2%.

Method without the preparation building block of furnace Fast Sintering at 25:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the diatomite powder of 0.5~1.9mm, partial size between 0.3 The Coal gangue powder and partial size of~1.2mm takes 625 according to the ratio of 1:2:1 between the flyash powder of 0.3~1.5mm respectively Gram, 1250 grams, 625 grams, be uniformly mixed obtain adobe powder material.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 47 DEG C after adding the tap water of 500mL Pug is made to water content 16% in body material dry.Made wet pug is put into mold, pressure 32.5MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.62A/cm², brick Base issues thermal sintering in electric current, and energization 70s obtains the building block that consistency is 86.6%.

Method without the preparation building block of furnace Fast Sintering at 26:30 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the diatomite powder of 0.2~1.9mm, partial size between 0.3 The Coal gangue powder and partial size of~1.2mm between 0.1~1.5mm mud powder according to the ratio of 1:1:1 take respectively 1000 grams, 1000 grams, 1000 grams are uniformly mixed and obtain adobe powder material.

The preparation of step 2 iron chloride and copper sulphate saturated solution: the pure grade chlorination iron powder body of 107 grams of analyses and 37.8 grams are weighed Pure grade bluestone powder is analyzed, at 30 DEG C, the chlorination iron powder body of weighing is added in 100mL distilled water, 1.0mol/L is added Hydrochloric acid tune pH=3 to solution clarify, it is uniform with magnetic stirrer, the iron chloride saturated solution at 30 DEG C is made；It will claim The copper sulphate powder of amount is added in 100mL distilled water, and the hydrochloric acid tune pH=3 that 1.0mol/L is added is clarified to solution, is stirred with magnetic force It mixes device to stir evenly, the copper sulphate saturated solution at 30 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 46 DEG C after adding the tap water of 800mL Pug is made to water content 10% in body material dry.Made wet pug is put into mold, pressure 32.5MPa is applied, so that The wet adobe having a size of 240 × 115 × 51mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 30 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 3MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.59A/cm², brick Base issues thermal sintering in electric current, and energization 78s obtains the building block that consistency is 87.6%.

Method without the preparation building block of furnace Fast Sintering at 27:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the shale powder of 0.3~1.9mm, partial size between 0.1~ The Coal gangue powder and partial size of 1.2mm between 0.2~1.5mm flyash powder according to the ratio of 1:1:1 take respectively 845 grams, 845 grams, 845 grams are uniformly mixed and obtain adobe powder material.

Step 2 prepares the saturated solution of sodium nitrate and aluminum sulfate respectively: weigh 102 grams of pure grade sodium nitrate powders of analysis and The sodium nitrate powder of weighing is added in 100mL distilled water at 40 DEG C, uses magnetic force by 45.8 grams of pure grade aluminum sulfate powders of analysis Blender stirs evenly, and the sodium nitrate saturated solution at 40 DEG C is made；100mL distilled water is added in the aluminum sulfate powder of weighing In, the hydrochloric acid tune pH=3 of 1.0mol/L is added and clarifies to solution, it is uniform with magnetic stirrer, the sulfuric acid at 40 DEG C is made Aluminium saturated solution.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 47 DEG C after adding the tap water of 800mL Pug is made to water content 6% in body material dry.Made wet pug is put into mold, pressure 22.6MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with AC power source, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 1mm, 0.6/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Power supply is opened, Adjustment power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.77A/cm², Adobe issues thermal sintering in electric current, and energization 82s obtains the building block that consistency is 89.2%.

Method without the preparation building block of furnace Fast Sintering at 28:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the shale powder of 0.1~1.9mm, partial size between 0.2~ The Coal gangue powder and partial size of 1.2mm between 0.1~1.5mm flyash powder according to the ratio of 1:1:2 take respectively 625 grams, 625 grams, 1250 grams are uniformly mixed and obtain adobe powder material.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 37 DEG C after adding the tap water of 800mL Pug is made to water content 10% in body material dry.Made wet pug is put into mold, pressure 12.5MPa is applied, so that The wet adobe having a size of 240 × 115 × 53mm is made in mud material forming.

The alternating current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To, then green body is placed between two plate graphites for being connected with AC power source, and two electrodes and green body are in close contact, Wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, through-hole is straight Diameter Φ 1mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 2MPa.Open power supply, adjustment electricity Source working condition is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.80A/cm², adobe exists Electric current issues thermal sintering, and energization 86s obtains the building block that consistency is 89.3%.

Method without the preparation building block of furnace Fast Sintering at 29:40 DEG C of embodiment

The weighing of step 1 adobe powder material: by partial size between the clay powder of 0.3~4mm, partial size between 0.2~3mm Coal gangue powder and partial size between 0.1~2.5mm flyash powder according to the ratio of 1:2:3 take respectively 410 grams, 830 grams, It 1247 grams, is uniformly mixed and obtains adobe powder material.

Step 2 prepares the saturated solution of copper chloride and aluminum nitrate respectively: weigh 87.6 grams of pure grade copper chloride powders of analysis and The copper chloride powder of weighing is added in 100mL distilled water at 40 DEG C for 88.7 grams of pure grade aluminum nitrate powders of analysis, is added The hydrochloric acid tune pH=3 of 1.0mol/L is clarified to solution, and uniform with magnetic stirrer, the copper chloride saturation being made at 40 DEG C is molten Liquid；The aluminum nitrate powder of weighing is added in 100mL distilled water, the hydrochloric acid tune pH=3 that 1.0mol/L is added is clarified to solution, is used Magnetic stirrer is uniform, and the aluminum nitrate saturated solution at 40 DEG C is made.

The modulation and molding of step 3 adobe pug: by the made saturated solution of step 2, all injection adobe powder is former respectively In material, and adobe powder is stirred to uniform, ageing 12 hours, then by adobe powder at 45 DEG C after adding the distilled water of 800mL Pug is made to water content 15% in body material dry.Made wet pug is put into mold, pressure 2.1MPa is applied, so that The wet adobe having a size of 240 × 115 × 45mm is made in mud material forming.

The direct current sintering densification of step 4 adobe: at 40 DEG C, the largest face level for the green body that step 3 obtains is taken To then green body being placed between two plate graphite electrodes for being connected with DC power supply, and make two electrodes and green body close Contact, wherein electrode area size covers green body upper and lower surfaces, is evenly distributed with small round tube hole on the plate electrode of upper end, leads to Bore dia Φ 2mm, 1/cm of through-hole distribution density², and applied by electrode and keep mechanical pressure 1MPa.Power supply is opened, is adjusted Whole power work state is constant current mode, adjusts electric current and the current strength for being applied to green body both ends is made to be 13.77A/cm², brick Base issues thermal sintering in electric current, and energization 76s obtains the building block that consistency is 89%.

Claims

1. the method for building block is quickly prepared under a kind of room temperature without furnace, it is characterised in that: adobe powder material be clay powder, Two or more in diatomite powder, sandstone powder, shale powder, Coal gangue powder, flyash or mud powder；Or it builds The chemical component in the raw material or pug of building block is built containing SiO₂、Al₂O₃, CaO, MgO or Fe₂O₃One or more of oxide； Or simultaneously containing the crystallization water or absorption water；Or raw material contains one or more of following ingredient simultaneously: 1, the crystallization water or Adsorb water；2, alkali metal oxide or alkaline earth oxide or other transition metal oxides or rare-earth oxide； 3, non-oxidized substance or metal oxide double salt；

The step of preparing the method for building block is as follows:

The weighing of step 1, adobe powder material: material powder is mixed according to common adobe ratio or arbitrary proportion, obtains brick Base powder material weighs its weight；

Step 2 prepares water-soluble metal salting liquid: at 4~60 DEG C, the one or several kinds difference of water-soluble metal salt is only It is vertical to be dissolved in water, the salt of precipitating is generated for hydrolysis, hydrochloric acid or nitre acid for adjusting pH value is added, until solution is clarified, is made respectively One or several kinds of water-soluble metal salt saturated aqueous solutions；

Step 2: obtained one or several kinds of full solution of water-soluble metal salts being injected separately into adobe powder material, and water is added to stir Adobe powder is mixed to uniform, is aged 0.5~24 hour, then dries adobe powder material to aqueous at 10 DEG C~100 DEG C Amount is 5~25%, and pug is made；Made wet pug is put into mold, apply pressure 1MPa~50MPa so that pug at Wet adobe is made in type；

The 120wt% of low quality in adobe powder material gross mass of the water；

Step 3: at 4 DEG C~60 DEG C, the largest face of molding wet adobe being horizontally oriented, green body is placed in and is connected with direct current Between source or two electrodes of AC power source, so that two electrodes and green body are in close contact, power supply is opened, adjusts power work shape State is constant current mode, adjusts electric current and makes the current strength for being applied to green body both ends between 0.5A/cm²~25A/cm², and pass through Electrode applies and keeps 0.1~10MPa of mechanical pressure, and wet adobe body issues thermal sintering in electric current, energization 0.1min~20min, Obtain fired brick or the sintered building building block of certain consistency；

The electrode material using fusing point higher than 1800 DEG C metal material or fusing point higher than 1800 DEG C alloy material or Graphite material.

2. quickly preparing the method for building block under room temperature without furnace according to claim 1, it is characterised in that: the electrode is Plate electrode is wherein evenly distributed with small round tube hole, through-hole diameter Φ 1mm~5mm, through-hole distribution density on plate electrode 0.5~1/cm²。

3. quickly preparing the method for building block under room temperature without furnace according to claim 1, it is characterised in that: the raw material powder The partial size of body is not more than 3.0mm.

4. quickly preparing the method for building block under room temperature without furnace according to claim 1, it is characterised in that: the water uses Distilled water or tap water.

5. quickly preparing the method for building block under room temperature without furnace according to claim 1, it is characterised in that: the water solubility Metal salt is water soluble salt, the water soluble salt of alkaline-earth metal or the various water soluble salts of transition metal element of alkali metal.

6. quickly preparing the method for building block under room temperature without furnace according to claim 6, it is characterised in that: the alkali metal Water soluble salt: including alkali halide salts: ACl, A=Li, Na, K, Rb, Cs；Or alkali metal sulfates: A₂SO₄, A=Li, Na,K,Rb,Cs；Or alkali nitrates: ANO₃, A=Li, Na, K, Rb, Cs；Or alkali carbonate: A₂CO₃, A=Li, Na, K,Rb,Cs；Or alkali metal phosphate: A₃PO₄, A=Li, Na, K, Rb, Cs；Or the water-soluble organic acid salt of alkali metal.

7. quickly preparing the method for building block under room temperature without furnace according to claim 6, it is characterised in that: the alkaline earth gold The water soluble salt of category: including halide: BCl₂, B=Mg, Ca, Sr, Ba；Or alkaline earth nitrate:

B(NO₃)₂, B=Mg, Ca, Sr, Ba.

8. quickly preparing the method for building block under room temperature without furnace according to claim 6, it is characterised in that: the transition gold Belong to the various water soluble salts of element: including aluminium Al, zinc Zn, iron Fe, copper Cu, manganese Mn, nickel, cobalt Co, indium In, tin Sn, antimony Sb, bismuth Water-soluble halide salt, water soluble sulfate or the water-soluble nitrate or water-soluble phosphorus of transition metal element described in Bi or zirconium Zr Hydrochlorate.