CN104415658A - Chemical gas regulating agent and preparation method thereof - Google Patents
Chemical gas regulating agent and preparation method thereof Download PDFInfo
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- CN104415658A CN104415658A CN201310412259.2A CN201310412259A CN104415658A CN 104415658 A CN104415658 A CN 104415658A CN 201310412259 A CN201310412259 A CN 201310412259A CN 104415658 A CN104415658 A CN 104415658A
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Abstract
The invention discloses a chemical gas regulating agent and a preparation method thereof. The chemical gas regulating agent comprises inner cores and outer shells arranged outside the inner cores, wherein each inner core is deoxidizing agent, each outer shell comprises a catalyst capable of catalyzing the deoxidizing agent to carry out deoxidation reaction and a binder. No direct contact is caused among different inner cores constituting the chemical gas regulating agent due to the chemical gas regulating agent with the structure; one part of inner cores are reacted firstly when the chemical gas regulating agent is subjected to deoxidation, the inner core deoxidizing agents which are subjected to deoxidation reaction firstly cannot contact the inner core deoxidizing agents which are not subjected to deoxidation reaction due to the protection effect of the outer shells, the chemical gas regulating agent can be prevented from caking, the service life of the chemical gas regulating agent is prolonged and the deoxidation efficiency is improved.
Description
Technical field
The invention belongs to technical field of air purification, be specifically related to a kind of chemical gas-adjusting agent and preparation method thereof.
Background technology
Since the material that iron powder, ferrous sulfate and hygroscopic agent are prepared is used for preventing the equipment fire such as transformer, blast by the people such as nineteen twenty-five H.A.Maude, deoxidier has developed inorganic deoxidier (as iron series deoxidizers, sulfurous acid deoxidier) and organic deoxidant (as: ascorbic acid system, be oxidized mould deoxidier, unrighted acid deoxidier).Wherein, the iron series deoxidizers using iron powder as main oxygen uptake component in inorganic deoxidier, due to its raw material sources be easy to get, with low cost, deoxidation effectiveness is relatively high, so be widely used in fields such as grain, dry fruit, tealeaves, Chinese medicine storages.As patent CN90100536.3 discloses a kind of deoxidier be made up of iron powder, active carbon, atlapulgite, sodium chloride etc., belong to above-mentioned iron series deoxidizers exactly.
At present about the formula introducing iron series deoxidizers is more and more loaded down with trivial details, but the practical application effect of comprehensive existing formula is unsatisfactory, and as the theoretical deoxidation amount 330ml/g of iron powder, but most formula deoxidation amount does not reach this value far away at present, and deoxidation effectiveness is low; Existing formula application initial reaction is violent in addition, and heat release is obvious, directly affects reserve quality; According to iron series deoxidizers deoxidation principle, must could there is deoxidation when water and air coexists in deoxidier,
2Fe+H
2O+O
2=Fe
2O
3+H
2
That is iron series deoxidizers can constantly absorb water in deoxidation process, and finally along with deaeration time advances, deoxidier self caking is serious, causes poor fluidity, affects deoxidizing capacity performance further.
Summary of the invention
Technical problem to be solved by this invention is for above shortcomings in prior art, a kind of chemical gas-adjusting agent and preparation method thereof is provided, the nucleocapsid structure of this chemical gas-adjusting agent can weaken the caking of chemical gas-adjusting agent, extends the service life of this chemical gas-adjusting agent, improves its deoxidation effectiveness.
The technical scheme that solution the technology of the present invention problem adopts is to provide a kind of chemical gas-adjusting agent, comprise kernel and be arranged at the shell outside described kernel, described kernel is deoxidier, described shell comprises can the catalyst of deoxidier generation deoxygenation described in catalysis and binding agent, forms a kind of bag is had hole deoxidier by type.
Preferably, the particle diameter of described chemical gas-adjusting agent was 80 ~ 200 mesh sieve particles.
Preferably, the mass ratio of described shell and described inner casing is (0.1 ~ 25): 100.
Preferably, the quality of described catalyst accounts for 0.001 ~ 10% of described chemical gas-adjusting agent quality, and the quality of described binding agent accounts for 0.1 ~ 20% of described chemical gas-adjusting agent quality.
Preferably, described shell also comprises NMF.
Further preferably, described NMF is one or more in polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate, starch grafted acrylate.
Further preferably, described starch grafted acrylate is cornstarch grafted propylene hydrochlorate and/or sweet potato starch grafted propylene hydrochlorate.
Preferably, the quality of described NMF accounts for 40 ~ 90% of described outer cover quality.
Preferably, described deoxidier is one or more in iron, zinc, copper;
Described catalyst is one or more in alkali metal salt or alkali salt;
Described binding agent is one or more in mosanom, potassium alginate, carboxymethyl cellulose, CMC, methylcellulose, ethyl cellulose, propyl cellulose, sodium carboxymethylcellulose, starch, polyalcohol, polyvinyl alcohol, carbohydrate.
Preferably, described alkali metal salt is one or more in lithium chloride, sodium chloride, sodium nitrate, sodium carbonate, sodium acid carbonate, potassium chloride, sodium sulphate, potassium sulfate;
Described alkaline-earth metal is one or more in beryllium chloride, magnesium chloride, calcium chloride, magnesium sulfate, calcium nitrate.
The present invention also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
By any one in fluidized-bed spraying method, rotary drum spray-on process, disc granulation method, the catalyst of catalyzing deoxidation agent generation deoxygenation and the coating solution of binding agent can carry out bag quilt to deoxidier by comprising, obtaining described chemical gas-adjusting agent.
Preferably, by described fluidized-bed spraying method, the method that described deoxidier carries out bag quilt is specially: described deoxidier is put into fluid bed, make described deoxidier under fluidized state, spray into the described coating solution comprising described catalyst and described binding agent, and make described coating solution be that spray pattern carries out bag quilt to described deoxidier.
Preferably, described in make the EAT of described deoxidier under fluidized state be 45 ~ 70 DEG C, compressed air pressure is 0.20Pa ~ 0.50Pa,
Describedly described coating solution is made to be the shower nozzle atomization pressure 0.10Pa ~ 0.30Pa of spray pattern.
Preferably, the solvent of described coating solution is water and/or absolute ethyl alcohol.
This structure of the chemical gas-adjusting agent in the present invention makes directly not contact between the different kernel of constitutional chemistry air conditioning agent; When there is deoxidation in this chemical gas-adjusting agent; some kernels wherein can first react; and due to the outer chlamydate protective effect of kernel; so the kernel deoxidier that deoxygenation first occurs can not touch the kernel deoxidier that deoxygenation does not also occur for those; thus reduce the caking of chemical gas-adjusting agent; extend the service life of this chemical gas-adjusting agent, improve its deoxidation effectiveness.
Accompanying drawing explanation
Fig. 1 is the structural representation of chemical gas-adjusting agent prepared by the embodiment of the present invention 2.
In figure: 1-kernel; 2 shells.
Detailed description of the invention
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at shell outside described kernel, described kernel is deoxidier, and described shell comprises can the catalyst of deoxidier generation deoxygenation described in catalysis and binding agent.In this chemical gas-adjusting agent, kernel deoxidier can with oxygen generation chemical reaction, thus play the effect of deoxidation.Catalyst in chemical gas-adjusting agent can catalyzing deoxidation agent generation deoxidation, in order to the nucleocapsid structure of this chemical gas-adjusting agent can be formed, skin catalyst being arranged at kernel deoxidier is needed to form shell, but owing to there is no cementation between catalyst and deoxidier, so need the skin by bonding agent, catalyst being bonded in kernel deoxidier, the shell be arranged at like this outside kernel deoxidier comprises catalyst and binding agent.The shell comprising catalyst and binding agent has been not hermetic (realization by specific preparation method, described below referring to), so kernel deoxidier still can absorb oxygen in ambient atmosphere and moisture by the hole of shell, under the effect of catalyst, play its deoxidation.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
The catalyst of catalyzing deoxidation agent generation deoxygenation and the coating solution of binding agent can carry out bag quilt to deoxidier by fluidized-bed spraying method by comprising, obtaining described chemical gas-adjusting agent.
The structure of the chemical gas-adjusting agent in the present embodiment is arrange the shell comprising catalyst and binding agent in the outside of kernel deoxidier, and this shell makes kernel deoxidier directly not contact with the external world; Because chemical gas-adjusting agent have employed fluidized-bed spraying method to prepare, it has not been hermetic that the coating solution that catalyst and binding agent are formed is sprayed on the shell that kernel deoxidier is formed, and has hole.When there is deoxidation in this chemical gas-adjusting agent, kernel deoxidier only contacts with the water that deoxygenation occurs, kernel deoxidier directly can not contact with the moisture that deoxygenation does not occur in ambient atmosphere, thus reduce the degree of the caking of this chemical gas-adjusting agent in the process playing its deoxidation, and the oxygen avoided in kernel deoxidier and ambient atmosphere carries out violent reaction, and then extend its service life, improve its deoxidation effectiveness.
Chemical gas-adjusting agent is made up of a lot of particle, and these particles are also made up of kernel deoxidier and the shell comprising catalyst and binding agent, and this structure of particle makes directly not contact between the kernel of different particles; When there is deoxidation in this chemical gas-adjusting agent; some kernels wherein can first react; and due to the outer chlamydate protective effect of kernel; so the kernel deoxidier that deoxygenation first occurs directly can not touch the kernel deoxidier that deoxygenation does not also occur for those; thus reduce the caking of chemical gas-adjusting agent; extend the service life of this chemical gas-adjusting agent, improve its deoxidation effectiveness.
Embodiment 2
As shown in Figure 1, the present embodiment provides a kind of chemical gas-adjusting agent, and the shell 2 comprising kernel 1 and be arranged at outside described kernel 1, the particle diameter of this chemical gas-adjusting agent was 80 mesh sieve particles.
Described kernel 1 is deoxidier iron powder, and described shell 2 comprises can the catalyst lithium chloride of deoxidier generation deoxygenation described in catalysis and binding agent mosanom.The quality of catalyst lithium chloride accounts for 0.001% of chemical gas-adjusting agent quality, and the quality of binding agent mosanom accounts for 0.1% of chemical gas-adjusting agent quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
Deoxidier iron powder is put into fluid bed, the EAT of deoxidier iron powder under fluidized state is made to be 45 DEG C, compressed air pressure is 0.5Pa, the coating solution comprising catalyst lithium chloride and binding agent mosanom is sprayed into according to the proportion of composing of above-mentioned chemical gas-adjusting agent, and make coating solution be that spray pattern carries out bag quilt to deoxidier iron powder, make coating solution be the shower nozzle atomization pressure 0.3Pa of spray pattern, obtain chemical gas-adjusting agent.Above-mentioned method for coating is fluidized-bed spraying method, compressed air be for by deoxidier iron powder in fluid bed " boiling ", be actually equivalent to stirring action.Shower nozzle atomization pressure is that described coating solution is formed droplet by shower nozzle, and shower nozzle atomization pressure is larger, and the atomized drop of generation is less, solvent seasoning faster, certain shower nozzle atomization pressure is also unsuitable excessive, prevents pressure from crossing senior general's coating buffer and blows away, hinder and form coating buffer on kernel iron powder.Can at kernel iron powder profile uniformly outer shell by above-mentioned fluidized-bed spraying method.
As shown in Figure 1, the structure of the chemical gas-adjusting agent in the present embodiment is arrange the shell 2 comprising catalyst lithium chloride and binding agent mosanom in the outside of kernel 1 deoxidier iron powder, and this shell 2 makes kernel 1 deoxidier iron powder directly not contact with the external world; When there is deoxidation in this chemical gas-adjusting agent, kernel 1 deoxidier iron powder only contacts with the water that deoxygenation occurs, kernel 1 deoxidier iron powder directly can not contact with the moisture that deoxygenation does not occur, thus reduce the degree of the caking of this chemical gas-adjusting agent in the process playing its deoxidation, and avoid kernel 1 deoxidier iron powder and extraneous oxygen carries out violent reaction, and then extend the service life of this chemical gas-adjusting agent, improve its deoxidation effectiveness.
Chemical gas-adjusting agent is made up of a lot of particle, and these particles are also made up of kernel 1 deoxidier iron powder and the shell 2 comprising catalyst lithium chloride and binding agent mosanom, and this structure of particle makes directly not contact between kernel 1 iron powder of different particles; When there is deoxidation in this chemical gas-adjusting agent; some kernel 1 iron powders wherein can first react; and owing to there being the protective effect of shell 2 outside kernel 1 iron powder; so the kernel 1 deoxidier iron powder that deoxygenation first occurs can not touch the kernel 1 deoxidier iron powder that deoxygenation does not also occur for those; thus reduce the caking of chemical gas-adjusting agent; extend the service life of this chemical gas-adjusting agent, improve its deoxidation effectiveness.
The chemical gas-adjusting agent of the 1g obtained in the present embodiment is put in the container of 2.5L, measured the concentration of the oxygen of corresponding time by oxygen analyser and calculate deoxidation amount, within 0th hour, deoxidation amount is 0ml, within 12nd hour, deoxidation amount is 45ml, within 24th hour, deoxidation amount is 155ml, and within the 48th hour, deoxidation amount is 210ml.
Embodiment 3
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 200 mesh sieve particles.
Described kernel is the mixture (mass ratio of zinc powder and copper powder is 1:1) of deoxidier zinc powder and deoxidier copper powder, and described shell comprises can the catalyst sodium nitrate of deoxidier generation deoxygenation described in catalysis and binding agent carboxymethyl cellulose and binding agent CMC (mass ratio of carboxymethyl cellulose and CMC is 3:4).The quality of catalyst sodium nitrate accounts for 10% of chemical gas-adjusting agent quality, and the quality of binding agent carboxymethyl cellulose and binding agent CMC accounts for 15% of chemical gas-adjusting agent quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
The mixture of deoxidier zinc powder and deoxidier copper powder is put into fluid bed, the EAT of the mixture of deoxidier zinc powder and deoxidier copper powder under fluidized state is made to be 70 DEG C, compressed air pressure is 0.2Pa, spray into according to the proportion of composing of above-mentioned chemical gas-adjusting agent and comprise catalyst sodium nitrate, binding agent carboxymethyl cellulose, the coating solution of binding agent CMC, and make coating solution be that the mixture of spray pattern to deoxidier zinc powder and deoxidier copper powder carries out bag quilt, coating solution is made to be the shower nozzle atomization pressure 0.1Pa of spray pattern, obtain chemical gas-adjusting agent.
The chemical gas-adjusting agent of the 1g obtained in the present embodiment is put in the container of 2.5L, measured the concentration of the oxygen of corresponding time by oxygen analyser and calculate deoxidation amount, within 0th hour, deoxidation amount is 0ml, within 12nd hour, deoxidation amount is 41ml, within 24th hour, deoxidation amount is 145ml, and within the 48th hour, deoxidation amount is 196ml.
This structure of the chemical gas-adjusting agent in the present embodiment makes directly not contact between the different kernel of constitutional chemistry air conditioning agent; When there is deoxidation in this chemical gas-adjusting agent; some kernels wherein can first react; and due to the outer chlamydate protective effect of kernel; so the kernel deoxidier that deoxygenation first occurs can not touch the kernel deoxidier that deoxygenation does not also occur for those; thus reduce the caking of chemical gas-adjusting agent; extend the service life of this chemical gas-adjusting agent, improve its deoxidation effectiveness.
Embodiment 4
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 100 mesh sieve particles.
Described kernel is deoxidier copper powder, and described shell comprises can the catalyst sodium acid carbonate of deoxidier generation deoxygenation described in catalysis and the mixture (mass ratio of sodium carbonate and sodium acid carbonate is 2:1) of catalyst sodium carbonate and binding agent ethyl cellulose.The quality of catalyst sodium acid carbonate and catalyst sodium carbonate and account for 5% of chemical gas-adjusting agent quality, the quality of binding agent ethyl cellulose accounts for 20% of chemical gas-adjusting agent quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
Deoxidier copper powder is put into fluid bed, the EAT of deoxidier copper powder under fluidized state is made to be 60 DEG C, compressed air pressure is 0.3Pa, the coating solution comprising catalyst bicarbonate, catalyst sodium carbonate and binding agent ethyl cellulose is sprayed into according to the proportion of composing of above-mentioned chemical gas-adjusting agent, and make coating solution be that spray pattern carries out bag quilt to deoxidier copper part, make coating solution be the shower nozzle atomization pressure 0.2Pa of spray pattern, obtain chemical gas-adjusting agent.
The chemical gas-adjusting agent of the 1g obtained in the present embodiment is put in the container of 2.5L, measured the concentration of the oxygen of corresponding time by oxygen analyser and calculate deoxidation amount, within 0th hour, deoxidation amount is 0ml, within 12nd hour, deoxidation amount is 35ml, within 24th hour, deoxidation amount is 138ml, and within the 48th hour, deoxidation amount is 180ml.
Embodiment 5
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 150 mesh sieve particles.
Described kernel is deoxidier zinc powder, and described shell comprises can the catalyst potassium chloride of deoxidier generation deoxygenation described in catalysis and binding agent propyl cellulose.The quality of catalyst potassium chloride accounts for 2% of chemical gas-adjusting agent quality, and the quality of binding agent propyl cellulose accounts for 10% of chemical gas-adjusting agent quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
Deoxidier zinc powder is put into fluid bed, the EAT of deoxidier zinc powder under fluidized state is made to be 50 DEG C, compressed air pressure is 0.4Pa, the coating solution comprising catalyst potassium chloride and binding agent propyl cellulose is sprayed into according to the proportion of composing of above-mentioned chemical gas-adjusting agent, and make coating solution be that spray pattern carries out bag quilt to deoxidier zinc powder, make coating solution be the shower nozzle atomization pressure 0.3Pa of spray pattern, obtain chemical gas-adjusting agent.
Embodiment 6
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 120 mesh sieve particles.
Described kernel is deoxidier iron powder, and described shell comprises can the catalyst beryllium chloride of deoxidier iron powder generation deoxygenation described in catalysis and binding agent sodium carboxymethylcellulose.The quality of catalyst beryllium chloride accounts for 4% of chemical gas-adjusting agent quality, and the quality of binding agent sodium carboxymethylcellulose accounts for 12% of chemical gas-adjusting agent quality.
The catalyst beryllium chloride of catalyzing deoxidation agent generation deoxygenation and the coating solution of binding agent sodium carboxymethylcellulose can carry out bag quilt to deoxidier by rotary drum spray-on process by comprising, obtaining described chemical gas-adjusting agent.
Embodiment 7
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 180 mesh sieve particles.
Described kernel is deoxidier zinc powder, and described shell comprises can the catalyst magnesium chloride of deoxidier generation deoxygenation described in catalysis and catalyst calcium chloride (mass ratio of magnesium chloride and calcium chloride is 1:2), adhesive starch and NMF polyacrylamide.The quality of catalyst magnesium chloride and catalyst calcium chloride and account for 10% of chemical gas-adjusting agent quality, the quality of adhesive starch accounts for 10% of chemical gas-adjusting agent quality, and the quality of NMF polyacrylamide accounts for 60% of outer cover quality.
Deoxidier zinc powder in chemical gas-adjusting agent occupy kernel, NMF polyacrylamide makes kernel exist in a relatively high humidity environment by the moisture absorbed in ambient atmosphere, the outer skeleton wrapped up by adhesive starch allows air freely to pass through, the air making to enter into kernel reacts with deoxidier zinc powder under the effect of catalyst magnesium chloride and catalyst calcium chloride, reach the object removing oxygen, oxygen concentration is formed so poor at housing ectonexine, the oxygen ordered about in ambient atmosphere constantly diffuses to kernel and the deoxidier zinc powder generation deoxygenation of chemical gas-adjusting agent, finally reach and fall oxygen object.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
Deoxidier zinc powder is put into fluid bed, the EAT of deoxidier zinc powder under fluidized state is made to be 45 DEG C, compressed air pressure is 0.2Pa, the coating solution comprising catalyst magnesium chloride, catalyst calcium chloride, adhesive starch, NMF polyacrylamide is sprayed into according to the proportion of composing of above-mentioned chemical gas-adjusting agent, and make coating solution be that spray pattern carries out bag quilt to deoxidier, make coating solution be the shower nozzle atomization pressure 0.3Pa of spray pattern, obtain chemical gas-adjusting agent.
The chemical gas-adjusting agent of the 1g obtained in the present embodiment is put in the container of 2.5L, measured the concentration of the oxygen of corresponding time by oxygen analyser and calculate deoxidation amount, within 0th hour, deoxidation amount is 0ml, within 12nd hour, deoxidation amount is 51ml, within 24th hour, deoxidation amount is 160ml, and within the 48th hour, deoxidation amount is 220ml.
This structure of the chemical gas-adjusting agent in the present embodiment makes directly not contact between the different kernel of constitutional chemistry air conditioning agent; When there is deoxidation in this chemical gas-adjusting agent; some kernels wherein can first react; and due to the outer chlamydate protective effect of kernel; so the kernel deoxidier that deoxygenation first occurs can not touch the kernel deoxidier that deoxygenation does not also occur for those; thus reduce the caking of chemical gas-adjusting agent; extend the service life of this chemical gas-adjusting agent, improve its deoxidation effectiveness.
Embodiment 8
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 100 mesh sieve particles.
Described kernel is the mixture of deoxidier copper powder and deoxidier iron powder, and described shell comprises can the catalyst sulfuric acid magnesium of deoxidier generation deoxygenation described in catalysis, binding agent glycerine and the mixture (mass ratio of glycerine and butanediol is 4:3) of binding agent butanediol and the mixture of NMF Sodium Polyacrylate and NMF polyacrylic acid potassium (mass ratio of Sodium Polyacrylate and polyacrylic acid potassium is 3:7).The quality of catalyst sulfuric acid magnesium accounts for 0.01% of chemical gas-adjusting agent quality, the quality of binding agent glycerine and binding agent butanediol and account for 20% of chemical gas-adjusting agent quality, the quality of NMF Sodium Polyacrylate and NMF polyacrylic acid potassium and account for 40% of outer cover quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
The mixture of deoxidier copper powder and deoxidier iron powder is put into fluid bed, the EAT of deoxidier under fluidized state is made to be 50 DEG C, compressed air pressure is 0.3Pa, spray into according to the proportion of composing of above-mentioned chemical gas-adjusting agent and comprise catalyst sulfuric acid magnesium, binding agent glycerine, binding agent butanediol, the coating solution of NMF Sodium Polyacrylate and NMF polyacrylic acid potassium, and make coating solution be that the mixture of spray pattern to deoxidier copper powder and deoxidier iron powder carries out bag quilt, coating solution is made to be the shower nozzle atomization pressure 0.2Pa of spray pattern, obtain chemical gas-adjusting agent.
The chemical gas-adjusting agent of the 1g obtained in the present embodiment is put in the container of 2.5L, measured the concentration of the oxygen of corresponding time by oxygen analyser and calculate deoxidation amount, within 0th hour, deoxidation amount is 0ml, within 12nd hour, deoxidation amount is 65ml, within 24th hour, deoxidation amount is 126ml, and within the 48th hour, deoxidation amount is 154ml.
Embodiment 9
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 120 mesh sieve particles.
Described kernel is deoxidier copper powder, and described shell comprises can the catalyst calcium nitrate of deoxidier generation deoxygenation described in catalysis, binding agent polyvinyl alcohol and NMF cornstarch grafted propylene hydrochlorate.The quality of catalyst calcium nitrate accounts for 5% of chemical gas-adjusting agent quality, and the quality of binding agent polyvinyl alcohol accounts for 0.1% of chemical gas-adjusting agent quality, and the quality of NMF cornstarch grafted propylene hydrochlorate accounts for 90% of outer cover quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
Deoxidier copper powder is put into fluid bed, the EAT of deoxidier copper powder under fluidized state is made to be 55 DEG C, compressed air pressure is 0.5Pa, the coating solution comprising catalyst calcium nitrate, binding agent polyvinyl alcohol, NMF cornstarch grafted propylene hydrochlorate is sprayed into according to the proportion of composing of above-mentioned chemical gas-adjusting agent, and make coating solution be that spray pattern carries out bag quilt to deoxidier copper powder, make coating solution be the shower nozzle atomization pressure 0.1Pa of spray pattern, obtain chemical gas-adjusting agent.
The chemical gas-adjusting agent of the 1g obtained in the present embodiment is put in the container of 2.5L, measured the concentration of the oxygen of corresponding time by oxygen analyser and calculate deoxidation amount, within 0th hour, deoxidation amount is 0ml, within 12nd hour, deoxidation amount is 55ml, within 24th hour, deoxidation amount is 140ml, and within the 48th hour, deoxidation amount is 165ml.
Embodiment 10
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 200 mesh sieve particles.
Described kernel is deoxidier iron powder, and described shell comprises can the catalyst potassium chloride of deoxidier iron powder generation deoxygenation described in catalysis, binding agent sucrose and NMF cornstarch grafted propylene hydrochlorate and NMF sweet potato starch grafted propylene hydrochlorate (mass ratio of cornstarch grafted propylene hydrochlorate and sweet potato starch grafted propylene hydrochlorate is 2:1).The quality of catalyst potassium chloride accounts for 2% of chemical gas-adjusting agent quality, and the quality of binding agent sucrose accounts for 15% of chemical gas-adjusting agent quality, the quality of NMF cornstarch grafted propylene hydrochlorate and NMF sweet potato starch grafted propylene hydrochlorate and account for 50% of outer cover quality.
The present embodiment also provides a kind of preparation method of chemical gas-adjusting agent, comprises the following steps:
Deoxidier iron powder is put into fluid bed, the EAT of deoxidier iron powder under fluidized state is made to be 70 DEG C, compressed air pressure is 0.4Pa, the coating solution comprising catalyst potassium chloride, binding agent sucrose, NMF cornstarch grafted propylene hydrochlorate and NMF sweet potato starch grafted propylene hydrochlorate is sprayed into according to the proportion of composing of above-mentioned chemical gas-adjusting agent, and make coating solution be that spray pattern carries out bag quilt to deoxidier iron powder, make coating solution be the shower nozzle atomization pressure 0.2Pa of spray pattern, obtain chemical gas-adjusting agent.
Embodiment 11
The present embodiment provides a kind of chemical gas-adjusting agent, and comprise kernel and be arranged at the shell outside described kernel, the particle diameter of this chemical gas-adjusting agent was 100 mesh sieve particles.
Described kernel is deoxidier copper powder, described shell comprises can the catalyst sulfuric acid potassium of deoxidier generation deoxygenation described in catalysis, binding agent sodium carboxymethylcellulose and NMF ammonium polyacrylate, the quality of catalyst sulfuric acid potassium accounts for 8% of chemical gas-adjusting agent quality, the quality of binding agent sodium carboxymethylcellulose accounts for 18% of chemical gas-adjusting agent quality, and the quality of NMF ammonium polyacrylate accounts for 80% of outer cover quality.
The coating solution of the catalyst sulfuric acid potassium of catalyzing deoxidation agent copper powder generation deoxygenation, binding agent sodium carboxymethylcellulose and NMF ammonium polyacrylate can carry out bag quilt to deoxidier by disc granulation method by comprising, obtaining described chemical gas-adjusting agent.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a chemical gas-adjusting agent, it is characterized in that, comprise kernel and be arranged at the shell outside described kernel, described kernel is deoxidier, described shell comprises can the catalyst of deoxidier generation deoxygenation described in catalysis and binding agent, forms a kind of bag is had hole deoxidier by type.
2. chemical gas-adjusting agent according to claim 1, is characterized in that, its particle diameter was 80 ~ 200 mesh sieve particles.
3. chemical gas-adjusting agent according to claim 1, is characterized in that, the quality of described catalyst accounts for 0.001 ~ 10% of described chemical gas-adjusting agent quality, and the quality of described binding agent accounts for 0.1 ~ 20% of described chemical gas-adjusting agent quality.
4. chemical gas-adjusting agent according to claim 1, is characterized in that, described shell also comprises NMF.
5. chemical gas-adjusting agent according to claim 4, is characterized in that, described NMF is one or more in polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate, starch grafted acrylate.
6. chemical gas-adjusting agent according to claim 4, is characterized in that, the quality of described NMF accounts for 40 ~ 90% of described outer cover quality.
7. chemical gas-adjusting agent according to claim 1, is characterized in that, described deoxidier is one or more in iron, zinc, copper;
Described catalyst is one or more in alkali metal salt or alkali salt;
Described binding agent is one or more in mosanom, potassium alginate, carboxymethyl cellulose, CMC, methylcellulose, ethyl cellulose, propyl cellulose, sodium carboxymethylcellulose, starch, polyalcohol, polyvinyl alcohol, carbohydrate.
8. chemical gas-adjusting agent according to claim 7, is characterized in that, described alkali metal salt is one or more in lithium chloride, sodium chloride, sodium nitrate, sodium carbonate, sodium acid carbonate, potassium chloride, sodium sulphate, potassium sulfate;
Described alkaline-earth metal is one or more in beryllium chloride, magnesium chloride, calcium chloride, magnesium sulfate, calcium nitrate.
9. a preparation method for chemical gas-adjusting agent according to claim 1, is characterized in that, comprise the following steps:
By any one in fluidized-bed spraying method, rotary drum spray-on process, disc granulation method, the catalyst of catalyzing deoxidation agent generation deoxygenation and the coating solution of binding agent can carry out bag quilt to deoxidier by comprising, obtaining described chemical gas-adjusting agent.
10. the preparation method of chemical gas-adjusting agent according to claim 9, it is characterized in that, by described fluidized-bed spraying method, the method that described deoxidier carries out bag quilt is specially: described deoxidier is put into fluid bed, make described deoxidier under fluidized state, spray into the described coating solution comprising described catalyst and described binding agent, and make described coating solution be that spray pattern carries out bag quilt to described deoxidier.
The preparation method of 11. chemical gas-adjusting agent according to claim 10, is characterized in that, described in make the EAT of described deoxidier under fluidized state be 45 ~ 70 DEG C, compressed air pressure is 0.20Pa ~ 0.50Pa,
Describedly described coating solution is made to be the shower nozzle atomization pressure 0.10Pa ~ 0.30Pa of spray pattern.
Priority Applications (1)
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| CN201310412259.2A CN104415658A (en) | 2013-09-10 | 2013-09-10 | Chemical gas regulating agent and preparation method thereof |
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| CN201310412259.2A CN104415658A (en) | 2013-09-10 | 2013-09-10 | Chemical gas regulating agent and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109090422A (en) * | 2018-08-08 | 2018-12-28 | 广东广益科技实业有限公司 | A kind of environmentally friendly deoxidation agent and preparation method thereof |
| CN114128916A (en) * | 2021-11-22 | 2022-03-04 | 北京盈丰利泰科贸有限公司 | Air regulating agent and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127503A (en) * | 1976-07-15 | 1978-11-28 | Mitsubishi Gas Chemical Company, Inc | Oxygen absorbent |
| CN1337273A (en) * | 2001-06-26 | 2002-02-27 | 广州番禺凯德食品科技有限责任公司 | Self-controlled oxygen absorbent and its prepn |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127503A (en) * | 1976-07-15 | 1978-11-28 | Mitsubishi Gas Chemical Company, Inc | Oxygen absorbent |
| CN1337273A (en) * | 2001-06-26 | 2002-02-27 | 广州番禺凯德食品科技有限责任公司 | Self-controlled oxygen absorbent and its prepn |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109090422A (en) * | 2018-08-08 | 2018-12-28 | 广东广益科技实业有限公司 | A kind of environmentally friendly deoxidation agent and preparation method thereof |
| CN114128916A (en) * | 2021-11-22 | 2022-03-04 | 北京盈丰利泰科贸有限公司 | Air regulating agent and preparation method thereof |
| CN114128916B (en) * | 2021-11-22 | 2022-10-11 | 北京盈丰利泰科贸有限公司 | Air regulating agent and preparation method thereof |
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Application publication date: 20150318 |