CN105502979A - Method and system capable of spraying dilute sludge into kiln - Google Patents
Method and system capable of spraying dilute sludge into kiln Download PDFInfo
- Publication number
- CN105502979A CN105502979A CN201510985281.5A CN201510985281A CN105502979A CN 105502979 A CN105502979 A CN 105502979A CN 201510985281 A CN201510985281 A CN 201510985281A CN 105502979 A CN105502979 A CN 105502979A
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- Prior art keywords
- mud
- sludge
- rare
- shower nozzle
- housing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0233—Other waste gases from cement factories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The invention discloses a method and a system capable of spraying dilute sludge into a kiln. According to the method, dilute sludge is sprayed into a decomposition furnace in a mist manner, stink produced by the dilute sludge is introduced into the decomposition furnace, and the dilute sludge is subjected to impurity removal before being sprayed. The system comprises the decomposition furnace communicated with a cement kiln, a sludge sprayer is arranged at a feeding port of the decomposition furnace, the feeding port of the sludge sprayer is communicated with a discharging port of a sludge bin through a sludge delivery pump, and a high-pressure air inlet of the sludge sprayer is communicated with a high-pressure air source. The drying process of the dilute sludge is simple, the investment is low, nitrogen oxide emission can be reduced significantly, the drying time is short, the dilute sludge disposal efficiency is high, the floc structure formed by spraying the dilute sludge into the kiln directly is avoided, decrease of the local temperature of the cement kiln and deterioration of the combustion working condition are prevented, and the yield and quality of clinker can be guaranteed. The atomization effect on the dilute sludge is good, the service life of the sludge sprayer can be prolonged, and installation is simple and convenient.
Description
Technical field
The present invention relates to a kind of utilize cement kiln to dispose rare mud method and system, particularly relate to a kind of method and the system thereof that rare mud can be entered kiln.
Background technology
Mud is the product generated after Sewage Plant process waste water.Mud can be divided into the dewatered sludge (mud that namely water content is few, in lump shape) and wet mud, wet mud can be divided into again thick mud (mud that namely water content is more, in magma shape) and rare mud (mud that namely water content is extremely many, in flow-like, its water ratio can reach about 80% usually).Usual every ten thousand stere waste water generation water ratio can reach 5-10 ton at the mud of about 80%.Annual generation mud about closely reaches about 4,000 ten thousand tons.Have a strong impact on urban development.Conventional sludge disposal mainly contains the means such as sanitary landfill, compost, burning.But all exist and take up an area the problems such as large, mass-producing is low, secondary pollution is serious, operation investment is high.Cement industry has the function disposing waste, obtains international endorsement, because the main chemical compositions of mud comprises SiO
2, Fe
20
3, and A1
2o
3, more similar with the siliceous raw material in cement raw material, can be used for Some substitute siliceous raw material in theory prepares burden, and its calorific value can be used as fuel and uses.In disposing sludge, functionally there is obvious advantage.Therefore, utilizing cement kiln synergic processing town sewage plant mud, is a kind of economy, feasible recycling mode.In order to effectively dispose mud, the applicant has dropped into a large amount of manpowers, material resources, financial resources, carry out prolonged and repeated scientific experiment, method and the product of multiple disposing sludge are invented, and applied for three patents on December 19th, 2014, be number of patent application be respectively 2014107921661 denominations of invention be " a kind of method of cement kiln disposing sludge and sludge gasification quality coal in cement kiln systems ", number of patent application is 2014107916907 denominations of invention is " a kind of method of cement kiln disposing sludge and the quality coal in cement kiln systems of disposing sludge ", application number is 2014107916292 denominations of invention is " with the method for cement kiln disposing sludge and the cement by grate-cooler disposing sludge ".These innovation and creation have carried out development and utilization after applying for a patent, fairly obvious to the thick mud effect of disposal, have considerable economic benefit and social benefit, but, be not suitable for disposing rare mud.In order to the moisture in rare mud being discharged the heat energy needing at substantial, drying time is long, and therefore, the disposal efficiency of rare mud correspondingly reduces, working cost but increases greatly, fails to play the advantage that waste disposed by cement kiln.In the case, have to the decomposing furnace directly rare mud being injected cement kiln, result is because the calorific value of rare mud is low, rare mud injects in decomposing furnace, form floc sedimentation shape structure, make local temperature local in decomposing furnace on the low side, cause cement kiln temperature to decline and worsen combustion conditions, greatly affecting the seed output and quality of grog.Obviously, this method directly rare mud being injected decomposing furnace is worthless, loses more than gain.Kiln problem is entered in order to solve rare mud, the applicant has carried out repeatedly studying and testing, to the character of rare mud, to the reason producing floc sedimentation shape structure, comprehensive analysis and summary are carried out on the various factors affecting clinker and quality, has finally solved problems of the prior art by long felt and practice.
Summary of the invention
First technical problem that the present invention will solve is to provide a kind of method that rare mud can be entered kiln, the flow process of the method is simple, less investment, significantly can reduce discharged nitrous oxides, drying time is short, and the efficiency disposing rare mud is high, avoids rare mud directly to enter kiln and forms floc sedimentation shape structure, prevent from causing cement kiln temperature local decline and worsen combustion conditions, the seed output and quality of grog can be guaranteed.
Second technical problem that the present invention will solve is to provide a kind of system that rare mud can be entered kiln, the flow process of this system is simple, less investment, significantly can reduce discharged nitrous oxides, drying time is short, and the efficiency disposing rare mud is high, avoids rare mud directly to enter kiln and forms floc sedimentation shape structure, prevent from causing cement kiln temperature local decline and worsen combustion conditions, the seed output and quality of grog can be guaranteed.
With regard to method, in order to solve above-mentioned first technical problem, the invention provides a kind of method that rare mud can be entered kiln, rare mud is sprayed into decomposing furnace in vaporific mode.
The foul smell produced by rare mud introduces decomposing furnace.
Described rare mud first carries out removal of impurities before spraying.
The method that rare mud can be entered kiln by the present invention compared with prior art has following beneficial effect.
1, the technical program is owing to have employed the technique means rare mud being sprayed into decomposing furnace in vaporific mode, so, the mummification flow process of rare mud is simple, less investment, significantly can reduce discharged nitrous oxides, drying time is short, the efficiency disposing rare mud is high, avoid rare mud directly to enter kiln and form floc sedimentation shape structure, prevent from causing cement kiln temperature local decline and worsen combustion conditions, the seed output and quality of grog can be guaranteed.
2, the technical program introduces the technique means of decomposing furnace owing to have employed the foul smell that produced by rare mud, so, not only can in case the foul smell of upper rare mud pollutes surrounding environment, and, oxygenant can also be provided for decomposing furnace.
3, the technical program first carries out the technique means of removal of impurities before spraying owing to have employed described rare mud, so, can guarantee that rare mud can be atomized sustainedly and stably, ensure to produce normal operation.
With regard to system, in order to solve above-mentioned second technical problem, the invention provides a kind of system that rare mud can be entered kiln, comprise the decomposing furnace be communicated with cement kiln, the opening for feed of described decomposing furnace is provided with mud atomizer, the opening for feed of described mud atomizer is communicated with the discharge port of sludge bin by sludge delivery pump, and the high pressure gas import of described mud atomizer is communicated with high-pressure air source.
The mud shower nozzle that described mud atomizer comprises mud housing and is communicated with this mud housing, be provided with high-pressure air pipe in described mud housing, described mud shower nozzle is provided with cooling cowl, and described cooling cowl is connected with ring flange.
The shape of described mud housing is the round shape that one end is closed, the outer side of the other end of described mud housing is provided with the outside screw for connecting described mud shower nozzle, the sidewall of described mud housing is respectively arranged with mud inlet and mud flush mouth, described mud flush mouth is near one end of described mud housing, described mud inlet is away from one end of described mud housing, one end of described high-pressure air pipe is described high pressure gas import, the other end of described high-pressure air pipe is high pressure gas outlet, the other end of described high-pressure air pipe penetrates the end face of described mud shell one end and the port extending to this mud housing the other end enters the mud inlet of described mud shower nozzle, the shape of described mud shower nozzle is the conical shell that its head is coaxially preced with mutually with the cylinder the other end, one end of described cylinder is the mud inlet of described mud shower nozzle, the medial surface of the mud inlet of described mud shower nozzle is provided with the internal thread connecting described mud housing, the bottom surface of described conical shell is distributed with mud spray orifice, mud spray chamber is formed between the mud inlet of described mud shower nozzle and the mud spray orifice of described mud shower nozzle, the mud spray orifice of distance between two sides relative in described mud spray chamber from the mud inlet of described mud shower nozzle to described mud shower nozzle is gradually from diminishing greatly, consistently after little one section, suddenly again, become larger from little, the shape of described cooling cowl is cylindrical, one end margin of described cooling cowl radially inwardly shrinks and forms reducing, the end face of described cooling cowl one end is provided with cold gas import, the side of described cooling cowl is provided with cold gas outlet, described cooling cowl covers on outside described mud shower nozzle, the mud inlet end outward flange of described mud shower nozzle is fixedly connected with the reducing of described cooling cowl, the conical shell bottom surface outward flange of described mud shower nozzle is fixedly connected with the other end of described cooling cowl, described ring flange is fixed on the outward flange of described cooling cowl one end.
The cold gas import of described cooling cowl is by the foul smell outlet of blower fan and described sludge bin.
The mud inlet of described mud housing has two, and one of them is backup mud import.
Described mud inlet is towards oblique rear, and described mud flush mouth is towards oblique rear.
Trash separator is communicated with between the discharge port of sludge delivery pump described in the opening for feed of described mud atomizer.
Valve is communicated with between the discharge port of described sludge delivery pump and the opening for feed of described trash separator.
Be connected in series successively between the discharge port of described sludge bin and the opening for feed of described sludge delivery pump and be communicated with simple helix feeding machine, mud surge bunker, double-spiral feeder.
Valve is communicated with between the discharge port of described simple helix feeding machine and the opening for feed of described mud surge bunker.
The discharge port of described sludge bin is elongated, be positioned at the bottom of described sludge bin, described simple helix feeding machine has two, the opening for feed of two described simple helix feeding machines is elongated, the below laying respectively at described sludge bin discharge port is parallel to this discharge port, the discharge port of two described simple helix feeding machines is adjoining, above the opening for feed being positioned at described mud surge bunker.
The discharge port of sludge bin is provided with the balladeur train of distribution mud, and described balladeur train is connected with described sludge bin by hydro-cylinder.
Method of the present invention compared with prior art has following beneficial effect.
1, the technical program is provided with mud atomizer due to the opening for feed that have employed described decomposing furnace, the opening for feed of described mud atomizer is communicated with the discharge port of sludge bin by sludge delivery pump, the technique means that the high pressure gas import of described mud atomizer is communicated with high-pressure air source, so, the mummification flow process of rare mud is simple, less investment, significantly can reduce discharged nitrous oxides, drying time is short, the efficiency disposing rare mud is high, avoid rare mud directly to enter kiln and form floc sedimentation shape structure, prevent from causing cement kiln temperature local decline and worsen combustion conditions, the seed output and quality of grog can be guaranteed.
2, the technical program mud shower nozzle that comprises mud housing owing to have employed described mud atomizer and be communicated with this mud housing, high-pressure air pipe is provided with in described mud housing, described mud shower nozzle is provided with cooling cowl, described cooling cowl is connected with the technique means of ring flange, so, good to the atomizing effect of rare mud, the work-ing life of mud atomizer can be extended, install simple and convenient.
3, the technical program due to the shape that have employed described mud housing be one end close round shape, the outer side of the other end of described mud housing is provided with the outside screw for connecting described mud shower nozzle, the sidewall of described mud housing is respectively arranged with mud inlet and mud flush mouth, described mud flush mouth is near one end of described mud housing, described mud inlet is away from one end of described mud housing, one end of described high-pressure air pipe is described high pressure gas import, the other end of described high-pressure air pipe is high pressure gas outlet, the other end of described high-pressure air pipe penetrates the end face of described mud shell one end and the port extending to this mud housing the other end enters the mud inlet of described mud shower nozzle, the shape of described mud shower nozzle is the conical shell that its head is coaxially preced with mutually with the cylinder the other end, one end of described cylinder is the mud inlet of described mud shower nozzle, the medial surface of the mud inlet of described mud shower nozzle is provided with the internal thread connecting described mud housing, the bottom surface of described conical shell is distributed with mud spray orifice, mud spray chamber is formed between the mud inlet of described mud shower nozzle and the mud spray orifice of described mud shower nozzle, the mud spray orifice of distance between two sides relative in described mud spray chamber from the mud inlet of described mud shower nozzle to described mud shower nozzle is gradually from diminishing greatly, consistently after little one section, suddenly again, become larger from little, the shape of described cooling cowl is cylindrical, one end margin of described cooling cowl radially inwardly shrinks and forms reducing, the end face of described cooling cowl one end is provided with cold gas import, the side of described cooling cowl is provided with cold gas outlet, described cooling cowl covers on outside described mud shower nozzle, the mud inlet end outward flange of described mud shower nozzle is fixedly connected with the reducing of described cooling cowl, the conical shell bottom surface outward flange of described mud shower nozzle is fixedly connected with the other end of described cooling cowl, described ring flange is fixed on the outer peripheral technique means of described cooling cowl one end, so, be convenient to dismounting maintenance, be convenient to clear up the residual mud in mud atomizer.
4, the technical program is because the cold gas import that have employed described cooling cowl is by the technique means of the foul smell outlet of blower fan and described sludge bin, so, not only can in case the foul smell of upper rare mud pollutes surrounding environment, and, oxygenant can also be provided for decomposing furnace, more can cool mud atomizer.
5, the technical program has two due to the mud inlet that have employed described mud housing, one of them is the technique means of backup mud import, so, not only can carry out rare mud conveying by two mud inlet simultaneously, and, this mud inlet can also be blocked when a mud inlet goes wrong, carry out rare mud conveying by another mud inlet.
6, the technical program is owing to have employed described mud inlet towards oblique rear, described mud flush mouth towards the technique means at oblique rear, so, be conducive to carrying the transport efficiency doing rare mud, be conducive to improving and rinse the efficiency of rare mud.
7, the technical program due to have employed described mud atomizer opening for feed described in sludge delivery pump discharge port between be communicated with the technique means of trash separator, so, can guarantee that rare mud can be atomized sustainedly and stably, ensure to produce normal operation.
8, the technical program is communicated with valvular technique means owing to have employed between the discharge port of described sludge delivery pump and the opening for feed of described trash separator, so, bring great convenience can to the maintenance of equipment.
9, the technical program is owing to have employed the technique means being connected in series successively between the discharge port of described sludge bin and the opening for feed of described sludge delivery pump and being communicated with simple helix feeding machine, mud surge bunker, double-spiral feeder, so, carry with being conducive to rare mud uniformly continous.
10, the technical program is communicated with valvular technique means owing to have employed between the discharge port of described simple helix feeding machine and the opening for feed of described mud surge bunker, so, bring great convenience can to the maintenance of equipment.
11, the technical program due to the discharge port that have employed described sludge bin elongated, be positioned at the bottom of described sludge bin, described simple helix feeding machine has two, the opening for feed of two described simple helix feeding machines is elongated, the below laying respectively at described sludge bin discharge port is parallel to this discharge port, the discharge port of two described simple helix feeding machines is adjoining, technique means above the opening for feed being positioned at described mud surge bunker, so, be conducive to rare mud to discharge from the discharge port of sludge bin, prevent rare mud from producing a large amount of throw out in sludge bin.
12, the technical program due to the discharge port that have employed sludge bin be provided with distribution mud balladeur train, the technique means that described balladeur train is connected with described sludge bin by hydro-cylinder, so, effectively can prevent rare mud local accumulation in sludge bin, be conducive to rare mud to be injected into sludge bin from the opening for feed of sludge bin.
Accompanying drawing explanation
Rare mud can be entered the method for kiln below in conjunction with the drawings and specific embodiments to the present invention and system is described in further detail.
Fig. 1 is the system architecture schematic diagram that rare mud can be entered kiln by present embodiment.
Fig. 2 is the structural representation of mud atomizer in Fig. 1.
Description of reference numerals is as follows.
1 ~ decomposing furnace;
2 ~ mud atomizer;
2-1 ~ mud housing;
2-1-1 ~ mud inlet;
2-1-2 ~ mud flush mouth;
2-2 ~ high-pressure air pipe;
2-3 ~ mud shower nozzle;
2-3-1 ~ mud spray chamber;
2-3-2 ~ mud spray orifice;
2-4 ~ cooling cowl;
2-4-1 ~ cold gas import;
2-4-2 ~ cold gas outlet;
2-5 ~ ring flange;
3 ~ sludge delivery pump;
4 ~ sludge bin;
5 ~ trash separator;
6 ~ valve;
7 ~ double-spiral feeder;
8 ~ mud surge bunker;
9 ~ valve;
10 ~ simple helix feeding machine;
11 ~ balladeur train;
12 ~ hydro-cylinder;
13 ~ blower fan;
14 ~ high-pressure air source.
Embodiment
As shown in Figure 1, a kind of method that rare mud can be entered kiln that present embodiment provides is that rare mud is sprayed into decomposing furnace in vaporific mode.
As can be seen from Figure 1, rare mud is by being exclusively used in the discharging of transport rare mud truck in steel construction sludge bin 1, sludge bin 1 inner bottom part has installed the arch breaking apparatus be made up of hydro-cylinder 12 and the balladeur train 11 that driven by this hydro-cylinder 12, by the horizontal reciprocating movement of this arch breaking apparatus, rare mud is pushed to intermediate discharging link and occur arch formation to avoid rare mud in sludge bin 4, outside rare mud is unloaded delivered from godown by the simple helix feeding machine 10 at sludge bin 4 end.Below the discharge port of simple helix feeding machine 10, quadrature position has installed valve 9, rare mud enters mud surge bunker 8 after valve 9, enter double-spiral feeder 7 after rare mud short period of time in mud surge bunker 8 stores, rare mud enters the opening for feed of the sludge delivery pump 3 be arranged on below it through double-spiral feeder 7 extruding.Described sludge delivery pump 3 is hydraulic pressure sludge delivery pumps.Under the effect of sludge delivery pump 3, enter sludge carrier pipe road, enter mud atomizer 2 by valve 6, trash separator 5, the decomposing furnace entering cement kiln with vaporific form under the effect of high-pressure air source 14 carries out cooperative disposal.
Rare mud is sprayed into the technique means of decomposing furnace by present embodiment in vaporific mode owing to have employed, so, the mummification flow process of rare mud is simple, less investment, significantly can reduce discharged nitrous oxides, drying time is short, the efficiency disposing rare mud is high, avoid rare mud directly to enter kiln and form floc sedimentation shape structure, prevent from causing cement kiln temperature local decline and worsen combustion conditions, the seed output and quality of grog can be guaranteed.
The first step as present embodiment is improved, and as shown in Figure 1, the foul smell produced by rare mud introduces decomposing furnace.As can be seen from Figure 1, the cold gas import 2-4-1 of described cooling cowl 2-4 is by the foul smell outlet of blower fan 13 with described sludge bin 4.
Present embodiment introduces the technique means of decomposing furnace owing to have employed the foul smell that produced by rare mud, so, not only can in case the foul smell of upper rare mud pollutes surrounding environment, and, oxygenant can also be provided for decomposing furnace.
The first step as present embodiment is improved, and as shown in Figure 1, described rare mud first carries out removal of impurities before spraying.As can be seen from Figure 1, trash separator 5 is communicated with between the discharge port of sludge delivery pump 3 described in the opening for feed of described mud atomizer 2.
Present embodiment first carries out the technique means of removal of impurities before spraying owing to have employed described rare mud, so, can guarantee that rare mud can be atomized sustainedly and stably, ensure to produce normal operation.
As shown in Figure 1, a kind of system that rare mud can be entered kiln, comprise the decomposing furnace 1 be communicated with cement kiln, the opening for feed of described decomposing furnace 1 is provided with mud atomizer 2, the opening for feed of described mud atomizer 2 is communicated with the discharge port of sludge bin 4 by sludge delivery pump 3, and the high pressure gas import of described mud atomizer 2 is communicated with high-pressure air source 14.Preferred as one, as can be seen from Figure 1, described sludge delivery pump 3 is hydraulic pressure sludge delivery pumps.
Present embodiment is provided with mud atomizer due to the opening for feed that have employed described decomposing furnace, the opening for feed of described mud atomizer is communicated with the discharge port of sludge bin by sludge delivery pump, the technique means that the high pressure gas import of described mud atomizer is communicated with high-pressure air source, so, the mummification flow process of rare mud is simple, less investment, significantly can reduce discharged nitrous oxides, drying time is short, the efficiency disposing rare mud is high, avoid rare mud directly to enter kiln and form floc sedimentation shape structure, prevent from causing cement kiln temperature local decline and worsen combustion conditions, the seed output and quality of grog can be guaranteed.
The first step as present embodiment is improved, as shown in Figure 1 to Figure 2, the mud shower nozzle 2-3 that described mud atomizer 2 comprises mud housing 2-1 and is communicated with this mud housing 2-1, high-pressure air pipe 2-2 is provided with in described mud housing 2-1, described mud shower nozzle 2-3 is provided with cooling cowl 2-4, and described cooling cowl 2-4 is connected with ring flange 2-5.
The mud shower nozzle that present embodiment comprises mud housing owing to have employed described mud atomizer and is communicated with this mud housing, high-pressure air pipe is provided with in described mud housing, described mud shower nozzle is provided with cooling cowl, described cooling cowl is connected with the technique means of ring flange, so, good to the atomizing effect of rare mud, the work-ing life of mud atomizer can be extended, install simple and convenient.
Second step as present embodiment improves, as shown in Figure 1 to Figure 2, the shape of described mud housing 2-1 is the round shape that one end is closed, the outer side of the other end of described mud housing 2-1 is provided with the outside screw for connecting described mud shower nozzle 2-3, the sidewall of described mud housing 2-1 is respectively arranged with mud inlet 2-1-1 and mud flush mouth 2-1-2, described mud flush mouth 2-1-2 is near one end of described mud housing 2-1, described mud inlet 2-1-1 is away from one end of described mud housing 2-1, one end of described high-pressure air pipe 2-2 is described high pressure gas import, the other end of described high-pressure air pipe 2-2 is high pressure gas outlet, the other end of described high-pressure air pipe 2-2 penetrates the end face of described mud housing 2-1 one end and the port extending to this mud housing 2-1 the other end enters the mud inlet of described mud shower nozzle 2-3, the shape of described mud shower nozzle 2-3 is the conical shell that its head is coaxially preced with mutually with the cylinder the other end, one end of described cylinder is the mud inlet of described mud shower nozzle 2-3, the medial surface of the mud inlet of described mud shower nozzle 2-3 is provided with the internal thread connecting described mud housing 2-1, the bottom surface of described conical shell is distributed with mud spray orifice 2-3-2, mud spray chamber 2-3-1 is formed between the mud inlet of described mud shower nozzle 2-3 and the mud spray orifice 2-3-2 of described mud shower nozzle 2-3, the mud spray orifice 2-3-2 of distance between two sides relative in described mud spray chamber 2-3-1 from the mud inlet of described mud shower nozzle 2-3 to described mud shower nozzle 2-3 is gradually from diminishing greatly, consistently after little one section, suddenly again, become larger from little, the shape of described cooling cowl 2-4 is cylindrical, one end margin of described cooling cowl 2-4 radially inwardly shrinks and forms reducing, the end face of described cooling cowl 2-4 one end is provided with cold gas import 2-4-1, the side of described cooling cowl 2-4 is provided with cold gas outlet 2-4-2, described cooling cowl 2-4 covers on outside described mud shower nozzle 2-3, the mud inlet end outward flange of described mud shower nozzle 2-3 is fixedly connected with the reducing of described cooling cowl 2-4, the conical shell bottom surface outward flange of described mud shower nozzle 2-3 is fixedly connected with the other end of described cooling cowl 2-4, described ring flange 2-5 is fixed on the outward flange of described cooling cowl 2-4 one end.
Present embodiment due to the shape that have employed described mud housing be one end close round shape, the outer side of the other end of described mud housing is provided with the outside screw for connecting described mud shower nozzle, the sidewall of described mud housing is respectively arranged with mud inlet and mud flush mouth, described mud flush mouth is near one end of described mud housing, described mud inlet is away from one end of described mud housing, one end of described high-pressure air pipe is described high pressure gas import, the other end of described high-pressure air pipe is high pressure gas outlet, the other end of described high-pressure air pipe penetrates the end face of described mud shell one end and the port extending to this mud housing the other end enters the mud inlet of described mud shower nozzle, the shape of described mud shower nozzle is the conical shell that its head is coaxially preced with mutually with the cylinder the other end, one end of described cylinder is the mud inlet of described mud shower nozzle, the medial surface of the mud inlet of described mud shower nozzle is provided with the internal thread connecting described mud housing, the bottom surface of described conical shell is distributed with mud spray orifice, mud spray chamber is formed between the mud inlet of described mud shower nozzle and the mud spray orifice of described mud shower nozzle, the mud spray orifice of distance between two sides relative in described mud spray chamber from the mud inlet of described mud shower nozzle to described mud shower nozzle is gradually from diminishing greatly, consistently after little one section, suddenly again, become larger from little, the shape of described cooling cowl is cylindrical, one end margin of described cooling cowl radially inwardly shrinks and forms reducing, the end face of described cooling cowl one end is provided with cold gas import, the side of described cooling cowl is provided with cold gas outlet, described cooling cowl covers on outside described mud shower nozzle, the mud inlet end outward flange of described mud shower nozzle is fixedly connected with the reducing of described cooling cowl, the conical shell bottom surface outward flange of described mud shower nozzle is fixedly connected with the other end of described cooling cowl, described ring flange is fixed on the outer peripheral technique means of described cooling cowl one end, so, be convenient to dismounting maintenance, be convenient to clear up the residual mud in mud atomizer.
The 3rd step as present embodiment is improved, and as shown in Figure 2, the cold gas import 2-4-1 of described cooling cowl 2-4 is by the foul smell outlet of blower fan 13 with described sludge bin 4.
Present embodiment is because the cold gas import that have employed described cooling cowl is by the technique means of the foul smell outlet of blower fan and described sludge bin, so, not only can in case the foul smell of upper rare mud pollutes surrounding environment, and, oxygenant can also be provided for decomposing furnace, more can cool mud atomizer.
The 4th step as present embodiment is improved, and as shown in Figure 2, the mud inlet 2-1-1 of described mud housing 2-1 has two, and one of them is backup mud import.
Present embodiment has two due to the mud inlet that have employed described mud housing, one of them is the technique means of backup mud import, so, not only can carry out rare mud conveying by two mud inlet simultaneously, and, this mud inlet can also be blocked when a mud inlet goes wrong, carry out rare mud conveying by another mud inlet.
The 5th step as present embodiment is improved, and as shown in Figure 2, described mud inlet 2-1-1 is towards oblique rear, and described mud flush mouth 2-1-2 is towards oblique rear.
Present embodiment owing to have employed described mud inlet towards oblique rear, described mud flush mouth towards the technique means at oblique rear, so, be conducive to carrying the transport efficiency doing rare mud, be conducive to improving and rinse the efficiency of rare mud.
The 6th step as present embodiment is improved, and as shown in Figure 1, is communicated with trash separator 5 between the discharge port of sludge delivery pump 3 described in the opening for feed of described mud atomizer 2.
Present embodiment due to have employed described mud atomizer opening for feed described in sludge delivery pump discharge port between be communicated with the technique means of trash separator, so, can guarantee that rare mud can be atomized sustainedly and stably, ensure to produce normal operation.
The 7th step as present embodiment is improved, and as shown in Figure 1, is communicated with valve 6 between the discharge port of described sludge delivery pump 3 and the opening for feed of described trash separator 5.
Present embodiment is communicated with valvular technique means owing to have employed between the discharge port of described sludge delivery pump and the opening for feed of described trash separator, so, bring great convenience can to the maintenance of equipment.
The 8th step as present embodiment is improved, and as shown in Figure 1, is connected in series successively and is communicated with simple helix feeding machine 10, mud surge bunker 8, double-spiral feeder 7 between the discharge port of described sludge bin 4 and the opening for feed of described sludge delivery pump 3.
Present embodiment is owing to have employed the technique means being connected in series successively between the discharge port of described sludge bin and the opening for feed of described sludge delivery pump and being communicated with simple helix feeding machine, mud surge bunker, double-spiral feeder, so, carry with being conducive to rare mud uniformly continous.
The 9th step as present embodiment is improved, and as shown in Figure 1, is communicated with valve 9 between the discharge port of described simple helix feeding machine 10 and the opening for feed of described mud surge bunker 8.
Present embodiment is communicated with valvular technique means owing to have employed between the discharge port of described simple helix feeding machine and the opening for feed of described mud surge bunker, so, bring great convenience can to the maintenance of equipment.
The tenth step as present embodiment is improved, as shown in Figure 1, the discharge port of described sludge bin 4 is elongated, be positioned at the bottom of described sludge bin 4, described simple helix feeding machine 10 has two, and the opening for feed of two described simple helix feeding machines 10 is elongated, and the below laying respectively at described sludge bin 4 discharge port is parallel to this discharge port, the discharge port of two described simple helix feeding machines 10 is adjoining, above the opening for feed being positioned at described mud surge bunker 8.
Present embodiment due to the discharge port that have employed described sludge bin elongated, be positioned at the bottom of described sludge bin, described simple helix feeding machine has two, the opening for feed of two described simple helix feeding machines is elongated, the below laying respectively at described sludge bin discharge port is parallel to this discharge port, the discharge port of two described simple helix feeding machines is adjoining, technique means above the opening for feed being positioned at described mud surge bunker, so, be conducive to rare mud to discharge from the discharge port of sludge bin, prevent rare mud from producing a large amount of throw out in sludge bin.
The 11 step as present embodiment is improved, and as shown in Figure 1, the discharge port of sludge bin 4 is provided with the balladeur train 11 of distribution mud, and described balladeur train 11 is connected with described sludge bin 4 by hydro-cylinder 12.
Present embodiment due to the discharge port that have employed sludge bin be provided with distribution mud balladeur train, the technique means that described balladeur train is connected with described sludge bin by hydro-cylinder, so, effectively can prevent rare mud local accumulation in sludge bin, be conducive to rare mud to be injected into sludge bin from the opening for feed of sludge bin.
Claims (10)
1. rare mud can be entered a method for kiln, it is characterized in that: rare mud is sprayed into decomposing furnace in vaporific mode.
2. the method that rare mud can be entered kiln according to claim 1, is characterized in that: the foul smell produced by rare mud introduces decomposing furnace.
3. the method that rare mud can be entered kiln according to claim 1, is characterized in that: described rare mud first carries out removal of impurities before spraying.
4. rare mud can be entered the system of kiln by one kind, comprise the decomposing furnace (1) be communicated with cement kiln, it is characterized in that: the opening for feed of described decomposing furnace (1) is provided with mud atomizer (2), the opening for feed of described mud atomizer (2) is communicated with the discharge port of sludge bin (4) by sludge delivery pump (3), and the high pressure gas import of described mud atomizer (2) is communicated with high-pressure air source (14).
5. the system rare mud being entered kiln according to claim 1, it is characterized in that: the mud shower nozzle (2-3) that described mud atomizer (2) comprises mud housing (2-1) and is communicated with this mud housing (2-1), high-pressure air pipe (2-2) is provided with in described mud housing (2-1), described mud shower nozzle (2-3) is provided with cooling cowl (2-4), and described cooling cowl (2-4) is connected with ring flange (2-5).
6. the system that rare mud can be entered kiln according to claim 5, it is characterized in that: the shape of described mud housing (2-1) is the round shape that one end is closed, the outer side of the other end of described mud housing (2-1) is provided with the outside screw for connecting described mud shower nozzle (2-3), the sidewall of described mud housing (2-1) is respectively arranged with mud inlet (2-1-1) and mud flush mouth (2-1-2), described mud flush mouth (2-1-2) is near one end of described mud housing (2-1), described mud inlet (2-1-1) is away from one end of described mud housing (2-1), one end of described high-pressure air pipe (2-2) is described high pressure gas import, the other end of described high-pressure air pipe (2-2) is high pressure gas outlet, the other end of described high-pressure air pipe (2-2) penetrates the end face of described mud housing (2-1) one end and the port extending to this mud housing (2-1) the other end enters the mud inlet of described mud shower nozzle (2-3), the shape of described mud shower nozzle (2-3) is the conical shell that its head is coaxially preced with mutually with the cylinder the other end, one end of described cylinder is the mud inlet of described mud shower nozzle (2-3), the medial surface of the mud inlet of described mud shower nozzle (2-3) is provided with the internal thread connecting described mud housing (2-1), the bottom surface of described conical shell is distributed with mud spray orifice (2-3-2), mud spray chamber (2-3-1) is formed between the mud inlet of described mud shower nozzle (2-3) and the mud spray orifice (2-3-2) of described mud shower nozzle (2-3), the mud spray orifice (2-3-2) of distance between two sides relative in described mud spray chamber (2-3-1) from the mud inlet of described mud shower nozzle (2-3) to described mud shower nozzle (2-3) is gradually from diminishing greatly, consistently after little one section, suddenly again, become larger from little, the shape of described cooling cowl (2-4) is cylindrical, one end margin of described cooling cowl (2-4) radially inwardly shrinks and forms reducing, the end face of described cooling cowl (2-4) one end is provided with cold gas import (2-4-1), the side of described cooling cowl (2-4) is provided with cold gas outlet (2-4-2), described cooling cowl (2-4) covers on described mud shower nozzle (2-3) outside, the mud inlet end outward flange of described mud shower nozzle (2-3) is fixedly connected with the reducing of described cooling cowl (2-4), the conical shell bottom surface outward flange of described mud shower nozzle (2-3) is fixedly connected with the other end of described cooling cowl (2-4), described ring flange (2-5) is fixed on the outward flange of described cooling cowl (2-4) one end.
7. the system rare mud being entered kiln according to claim 1, is characterized in that: be communicated with trash separator (5) between the discharge port of sludge delivery pump (3) described in the opening for feed of described mud atomizer (2).
8. the system rare mud being entered kiln according to claim 1, is characterized in that: be connected in series successively between the discharge port of described sludge bin (4) and the opening for feed of described sludge delivery pump (3) and be communicated with simple helix feeding machine (10), mud surge bunker (8), double-spiral feeder (7).
9. the system rare mud being entered kiln according to claim 8, it is characterized in that: the discharge port of described sludge bin (4) is elongated, be positioned at the bottom of described sludge bin (4), described simple helix feeding machine (10) has two, the opening for feed of two described simple helix feeding machines (10) is elongated, the below laying respectively at described sludge bin (4) discharge port is parallel to this discharge port, the discharge port of two described simple helix feeding machines (10) is adjoining, above the opening for feed being positioned at described mud surge bunker (8).
10. the system rare mud being entered kiln according to claim 1, it is characterized in that: the discharge port of sludge bin (4) is provided with the balladeur train (11) of distribution mud, and described balladeur train (11) is connected with described sludge bin (4) by hydro-cylinder (12).
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204097297U (en) * | 2014-09-28 | 2015-01-14 | 天津清华德人环境工程有限公司 | Sludge reduction processing equipment for recycling |
| CN104315523A (en) * | 2014-11-07 | 2015-01-28 | 西安建筑科技大学 | Method for drying and burning sludge via cement plant kiln tail system |
| CN104329675A (en) * | 2014-11-07 | 2015-02-04 | 西安建筑科技大学 | Method for incinerating sludge by using kiln tail system of cement plant |
| CN204254628U (en) * | 2014-11-07 | 2015-04-08 | 西安建筑科技大学 | A kind of device based on cement plant kiln tail system burning sludge |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204097297U (en) * | 2014-09-28 | 2015-01-14 | 天津清华德人环境工程有限公司 | Sludge reduction processing equipment for recycling |
| CN104315523A (en) * | 2014-11-07 | 2015-01-28 | 西安建筑科技大学 | Method for drying and burning sludge via cement plant kiln tail system |
| CN104329675A (en) * | 2014-11-07 | 2015-02-04 | 西安建筑科技大学 | Method for incinerating sludge by using kiln tail system of cement plant |
| CN204254628U (en) * | 2014-11-07 | 2015-04-08 | 西安建筑科技大学 | A kind of device based on cement plant kiln tail system burning sludge |
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