CN101248016B - Ventilating system of sewage sludge receiving equipment - Google Patents
Ventilating system of sewage sludge receiving equipment Download PDFInfo
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- CN101248016B CN101248016B CN2005800514254A CN200580051425A CN101248016B CN 101248016 B CN101248016 B CN 101248016B CN 2005800514254 A CN2005800514254 A CN 2005800514254A CN 200580051425 A CN200580051425 A CN 200580051425A CN 101248016 B CN101248016 B CN 101248016B
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
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- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Sludge (AREA)
- Ventilation (AREA)
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Abstract
A ventilation system of a sludge receiving facility capable of efficiently preventing gases such as odor from stagnating in a sludge tank and a structure covering the sludge tank by a small capacity ventilation means by selectively and carefully ventilating odorous places during normal operation and each time when sludge is received. In the sludge receiving facility, upper and lower structures (11, 12) communicating with an internal space (19) are constructed, entrances (13) having opening/closing means (14) are formed in the wall part of the upper structure (12), sludge tanks (15a, 15b) having sludge charging ports (17) are installed in the lower structure (11), and partition walls (21) are formed to partition loading spaces (22) in the upper structure from the internal space (19). The sludge receiving facility comprises an outside air blowing means (30) continuously blowing the outside air from the bottom part of the lower structure to the internal space, air flowing means (33) allowing the internal space to communicate with the loading spaces, first discharging means (35) discharging the air from the upper parts of the loading spaces, second discharging means (36) discharging the air on the upper sides of the sludge charging ports, and third discharging means (37a, 37b) discharging the air inside the sludge tanks. Furthermore, opening/closing means (33, 40, 41, 42a, 42b) are installed in the flowing means and first to third discharging means.
Description
Technical field
The present invention relates to be used for temporarily store the air exchange system of the sewage sludge receiving equipment of mud such as sewage sludge.
Background technology
The water-containing sludges such as sewage sludge of discharging from the sewage-farm, because processing field in recent years is deficient and the restriction of the aspect that prevents the pollution of the environment, land landfill of Shi Shiing and the processing that is discarded into the sea in the past becomes very difficult.Therefore, the method for the above-mentioned water-containing sludge of burning disposal in incinerator has been proposed also, even still for example in the sewage sludge of sewage-farm formation dewatered cake piece, yet contain the moisture about 80%.
Therefore in processing method with above-mentioned incinerator, in order to reduce the thermic load in the incinerator, must carry out drying to this water-containing sludge in advance, the result is except originally burning the required cost, it is huge that the fringe costs such as cost of deodorizing are carried out in drying cost and the exhaust that is produced during to drying, so there is less economical problem.
So the applicant etc. in order to address the above problem, as No. 3246509, previous Japan Patent (patent documentation 1), have proposed to utilize the water-containing sludge treatment facility of cement clinker manufacturing equipment.
This patented invention as shown in Figure 5, it is the treatment facility of water-containing sludge, it is the water-containing sludge manufacturing equipment that is provided with simultaneously with the cement clinker manufacturing equipment, wherein, the cement clinker manufacturing equipment has preheater 1 that carries out preheating through the broken cement raw material of material pulverizing and the dry kiln 3 that this preheater 1 is connected kiln portion 2 and the cement raw material that passes through preheating is fired.Sludge tank 4, the pressure that this treatment facility possesses storing aqueous mud is carried the pressure delivery pump 5 of water-containing sludges in this sludge tank 4 and is connected on this pressure delivery pump 5 pipe arrangement of water-containing sludge directly being put in the dry kiln 36, and pipe arrangement 6 is connected with kiln portion 2 or calcining furnace 7.
If treatment facility according to above-mentioned water-containing sludge, can need not water-containing sludges such as sewage sludge are carried out pre-treatment dry and the interpolation additive, there is not problem of environmental pollution in addition, directly put in the existing dry kiln 3 and under 800 ℃～1200 ℃ high-temperature atmosphere, carry out burning disposal, can effectively and at low cost finally handle thus, meanwhile, the sludge incineration ash can be used as the utilization again that cement clinker carries out economy.In addition, pressure carries water-containing sludge by directly carrying out burning disposal in the pipe arrangement 6, so can also obtain can not producing the effect of problems such as foul smell.
But with above-mentioned treating apparatus for example during sewage sludge, common above-mentioned sewage sludge mainly is for the convenience on transporting, to remove redundant moisture in the sewage-farm, form after the dewatered cake piece of moisture content about 80% by truck transport and transport to above-mentioned cement manufacturing works.
Above-mentioned sludge tank 4, in order to receive the water-containing sludge that truck ships, to form big mud input port at an upper portion thereof, this mud input port, if opening at ordinary times, then the water-containing sludge surface can produce foul smell and gas internally, exists it to be diffused into the danger that the outside is worsened operating environment, so the mud that ships by truck except that reception, At All Other Times, airtight closed cover is set.And cover this sludge tank 4 with building 8, the while also is provided with withdrawing device, the pressure delivery pump 5 of sludge tank 4 and drives its mechanical device classes such as oil gear 9 in this building 8.
If but simple only with sludge tank 4 such as covering such as building 8 grades, then foul smell, gas can be trapped in the inner space of this building 8.Therefore when for example opening the gateway of building 8, exist the gentle cognition of above-mentioned foul smell to be released to outside problem for truck is entered in the building 8.In addition, in order to carry out above-mentioned mechanical maintenance, when operating personnel enter in the building 8,, also there is the problem that exposes to the open air in abominable operating environment owing to reasons such as above-mentioned foul smell.
In addition, even in sludge tank 4 owing to use closed cover airtight at ordinary times, so portion can be detained the above-mentioned foul smell of concentration rising etc. within it, when therefore when receiving mud and to this sludge tank 4, repairing, one opens above-mentioned closed cover, then Nei Bu foul smell can diffuse in the building 8, the same problem that produces drawback that exists.
So the air exchange system of taking a breath in the above-mentioned building 8 must be set, but carry out integral body at ordinary times to building 8 in and in the sludge tank 4 with the air quantity that a large amount of foul smell that produce when receiving mud etc. carry out exhaust takes a breath, then need the sizable fan of extraneous air and the exhauster(-tor that exhaust is used of being blown into of capacity, have the problem that causes cost of equipment and running expense costliness.
Because there is the danger that produces pernicious gases such as methane gas and hydrogen sulfide gas by sludge tank 4 in temperature atmosphere in the proterties of above-mentioned sewage sludge and the building 8.And above-mentioned methane gas, its proportion lta is so be trapped in the top of building 8; In contrast, above-mentioned hydrogen sulfide gas, it is than great, so be trapped in the bottom of building 8.Therefore in order to prevent that these gases are detained, also existing must be with jumbo said fans in the problem that forms below the building 8 ventilation air-flow upward at ordinary times.
Patent documentation 1: No. 3246509 communique of Japan Patent.
Summary of the invention
The present invention studies in view of these problems, research topic is to provide the air exchange system of sewage sludge receiving equipment, its when common operation and when receiving mud etc. by optionally and emphasis foul smell produced the position take a breath, can effectively prevent in the sludge tank and the gases such as foul smell that cover in its building are detained with the ventilation means of low capacity more.
In order to solve above-mentioned problem, invention is the air exchange system of sewage sludge receiving equipment described in the claim 1, described air exchange system is boundary with the tread of transportation means, superstructure and the substructure that interconnects constructed in the inner space, wall portion at the above-mentioned tread that faces above-mentioned superstructure is provided with the gateway with shutter means simultaneously, sludge tank with mud input port is set in above-mentioned substructure, described mud input port is designed to freely openable in above-mentioned airtight means of tread opening while, and the next door is set in above-mentioned superstructure inside, described next door separates the input space from above-mentioned gateway to above-mentioned mud input port from above-mentioned inner space, it is characterized in that, have the extraneous air of forcing continuously to import extraneous air to above-mentioned inner space from the bottom of above-mentioned substructure and be blown into means, the circulation of air means that the above-mentioned inner space and the above-mentioned input space are communicated with, the air of this input space is carried out the 1st exhaust means of exhaust from the top of the above-mentioned input space, be arranged on the position of the above-mentioned mud of facing of above-mentioned input space input port and the 2nd exhaust means that the air above this mud input port is carried out exhaust, the 3rd exhaust means that air in the above-mentioned sludge tank is carried out exhaust, and above-mentioned means of circulation, the 1st exhaust means, be respectively arranged with shutter means in the 2nd exhaust means and the 3rd exhaust means.
In addition, invention described in the claim 2 is in the invention described in the claim 1, it is characterized in that, the methane gas detector is set above above-mentioned inner space, and methane gas discharge control device is set, when the value that is detected by this detector reaches setting value, when the shutter means of above-mentioned means of circulation and the 1st exhaust means is non-opening, it is opened at least, when the shutter means of above-mentioned the 3rd exhaust means is non-closed condition, it is closed simultaneously.
Invention described in the claim 3 is in the invention described in claim 1 or 2, it is characterized in that, the 4th exhaust means that possesses shutter means when carrying out exhaust, the air to above-mentioned inner space is set in above-mentioned substructure, and the detector of hydrogen sulfide gas is set in the bottom of above-mentioned substructure, hydrogen sulfide gas discharge control device is set simultaneously, when the value that is detected by this detector reaches setting, when the shutter means of above-mentioned the 4th exhaust means is non-opening, it is opened, when the shutter means of above-mentioned the 1st～the 3rd exhaust means is non-closed condition, it is closed simultaneously.
Invention described in the claim 4 is in the invention described in any one of the claim 1～3, it is characterized in that, the 5th exhaust means that the air in the above-mentioned sludge tank is carried out exhaust with the flow that is lower than above-mentioned at ordinary times the 3rd exhaust means is set.
In any described invention of claim 1～4 when common operation, be blown into means by extraneous air, force to import extraneous air from the bottom of substructure continuously to the inner space, make the shutter means of the means of circulation that are communicated with the above-mentioned inner space and the input space and the shutter means of the 1st exhaust means remain on opening simultaneously.So be transported to the extraneous air in the substructure, the space flows in the input space by means of circulation internally, portion passes through the 1st exhaust means to outside exhaust from it.The air that the result particularly is easy to generate the input space of foul smell etc. can not flow into the inner space, can prevent really that therefore the foul smell that spills from sludge tank etc. is trapped in the superstructure and substructure of sewage sludge receiving equipment.
In addition, when receiving mud, when discharging air in the above-mentioned sludge tank, the shutter means of opening the 3rd exhaust means closes the shutter means of means of circulation, open the shutter means of the 1st and the 2nd exhaust means again, the air in the sludge tank of subtend unlatching mud input port in the input space of input mud and the air of top, this mud input port carry out exhaust.Like this, when to owing to dropping in the sludge tank that mud produces a large amount of foul smell and the air of the input space when carrying out the emphasis exhaust, can prevent that above-mentioned foul smell from flowing backwards to the inner space, prevent that perhaps the gateway of opening from being used to input medium is entered from diffusing to the outside.
In the described invention of claim 2, be thereby the generation methane gas equipment class to be set and to constitute in the above-mentioned inner space of operating space the then concentration of methane gas on its top rising if be trapped in by mud in the sludge tank.And when the value that detects by the methane gas detector that is arranged on top, above-mentioned inner space reaches the setting value that is considered to be harmful to, by methane gas discharge control device, at least be opening at the shutter means of guaranteeing above-mentioned means of circulation and the 1st exhaust means, guarantee that simultaneously the above-mentioned shutter means that air in the sludge tank is carried out the 3rd exhaust means of exhaust is a closed condition.The extraneous air that the result is transported in the substructure flow in the input space from means of circulation in company with above-mentioned methane gas in the inner space, and portion is discharged to the outside by the 1st exhaust means from it.
In the described invention of claim 3, when producing hydrogen sulfide gas and being trapped in the above-mentioned inner space, this hydrogen sulfide gas is trapped in the bottom of above-mentioned inner space equally, and its concentration rises.When the value that detects by the hydrogen-sulfide gas detector that is arranged on bottom, above-mentioned inner space reaches the setting value that is considered to be harmful to, by hydrogen sulfide gas discharge control device, guarantee that the shutter means that air to the substructure inner space carries out the 4th exhaust means of exhaust is an opening, and guarantee that the shutter means of above-mentioned the 1st～the 3rd exhaust means is a closed condition.The extraneous air that the result is transported in the substructure mainly just is discharged to the outside by the 4th exhaust means in the early stage in company with above-mentioned hydrogen sulfide gas.
Like this according to the 1st～4 invention described in any, optionally emphasis is taken a breath to the position of generation foul smell and the position of pernicious gas delay when operating usually and when receiving mud, stop the exhaust of other position simultaneously, so can effectively prevent in the sludge tank and the gases such as foul smell that cover in its works are detained by the ventilation means of low capacity more.
According to the invention described in the claim 4, then the time except that reception mud, even the shutter means of the 3rd exhaust means is closed, by being arranged on small-bore the 5th exhaust means in the sludge tank, also can carry out exhaust to the air in this sludge tank at ordinary times, therefore, also can the rising of the odor concentration in these sludge tanks be taken precautions against in possible trouble by less energy.
Description of drawings
[Fig. 1] Fig. 1 is the structure sketch map of an embodiment of the relevant sewage sludge receiving equipment air exchange system of the present invention of expression.
[Fig. 2] Fig. 2 be presentation graphs 1 accept mud the time open and close valve the structure sketch map of open and-shut mode etc.
[Fig. 3] Fig. 3 is the structure sketch map of the open and-shut mode of the concentration of methane gas of presentation graphs 1 open and close valve when raising etc.
[Fig. 4] Fig. 4 is the structure sketch map of the open and-shut mode of the sulfureted hydrogen gas concentration of presentation graphs 1 open and close valve when raising etc.
[Fig. 5] Fig. 5 is expression and the structure sketch map that can use the sewage sludge treatment facility that sewage sludge receiving equipment air exchange system cement clinker manufacturing equipment of the present invention is provided with simultaneously.
Symbol description
The tread of 10 transportation means;
11 underground tanks (substructure);
The 11a bottom;
12 buildings (superstructure);
13 gateways;
14 gates (shutter means);
15a, 15b sludge tank;
17 mud input ports;
18 closed covers (airtight means);
19 inner spaces;
21 next doors;
22 input spaces;
30 extraneous airs are blown into fan;
32 extraneous air blow-off outlets;
33 open and close valves (circulation of air means);
34 ventilation fans;
35a, 36a, 38a pump orifice;
35,36,37a, 37b, 38,39a, 39b exhaust line;
40,41,42a, 42b, 43 open and close valves;
47 methane gas detectors;
48 hydrogen-sulfide gas detectors.
The specific embodiment
Fig. 1～Fig. 4 represents to use in the sewage sludge receiving equipment of the sewage sludge treatment facility that is provided with simultaneously with cement clinker manufacturing equipment shown in Figure 5 the optimum implementation of sewage sludge receiving equipment air exchange system of the present invention.
At first the relevant structure that the sewage sludge receiving equipment of above-mentioned air exchange system is set is described, in this sewage sludge receiving equipment, carry tread 10 places to form underground tank (substructure) 11 at mud, simultaneously building construction 12 on this underground tank 11 with truck (transportation means).
Be formed for making truck to enter into inner gateway 13 respectively at the relative wall of this building 12 place, be used for gate (shutter means) 14 airtight inside, can freely openable when being arranged on common operation at these 13 places, gateway from tread 10.In addition, the building 12 inner running ground 10a that link to each other with above-mentioned tread 10 that form that facing gate 14.
Sludge tank 15a, the 15b of two-seater are set in underground tank 11 on the other hand.These sludge tanks 15a, 15b are separately positioned on the supporting member in the underground tank 11, and are placed on the load cell 16 that is used for weigh, are provided with its top to such an extent that protrude in running ground 10a a little.
And at each sludge tank 15a, be formed on the mud input port 17 of running ground 10a upper shed above the 15b, be used for the closed cover (airtight means) 18 of airtight inside when in this mud input port 17, being arranged on general operation.Additional disclosure, this closed cover 18 is respectively the door of hinge type, be set to freely rotate by cylinder 18a, 18b so that inner face towards the gateway 13 sides (with reference to Fig. 2).
Between in underground tank 11 and building 12, forming by sludge tank 15a, 15b like this in inner space 19 that above-below direction interconnects.The mud withdrawing device 20 that the bottom of underground tank 11 inherent sludge tank 15a, the 15b of this inner space 19 is provided with, pressure delivery pump 5 shown in Figure 5 (omitting this diagram in Fig. 1～4) etc. are mechanical.
Between the top of the top and building 12 of sludge tank 15a, 15b next door 21 is set.Like this by wall, gate 14, running ground 10a and the sludge tank 15a of next door 21, building 12, above the 15b internally space 19 separate airtightly, form 13 the mud input spaces 22 to mud input port 17 from the gateway.
In comprising the sewage sludge receiving equipment of above structure, this air exchange system is set.
Just at 11a place, the bottom of underground tank 11 extraneous air blow-off outlet 32 (extraneous air is blown into means) is set, described extraneous air blow-off outlet 32 will be to being blown into extraneous air continuous and mandatory be input to inner space 19 in of fan 30 through pipeline 31 inputs of supplying gas by being arranged on outside extraneous air.
In addition, next door 21 places form peristome respectively, and the open and close valve (circulation of air means, shutter means) 33 that can be communicated with the inner space 19 and the input space 22 is installed at each peristome.On the other hand, at the outer setting ventilation fan 34 of building 12, the bleed person in charge 34a of side of this ventilation fan 34 of importing to building 12 in simultaneously.
The person in charge 34a of this side of bleeding connects the exhaust line (the 2nd exhaust means) 36 that air in the input space 19 is carried out the exhaust line (the 1st exhaust means) 35 of exhaust, the air above the mud input port 17 carried out exhaust from the pump orifice 36a in the configuration of the position of the mud input port 17 that faces the input space 19 from the pump orifice 35a that is configured in the input space 22 tops respectively.
In addition, the person in charge 34a of this side of bleeding connects the exhaust line (the 4th exhaust means) 38 import in sludge tank 15a, the 15b and inner air is carried out exhaust line (the 3rd exhaust means) 37a, the 37b of exhaust, the air in the underground tank 11 carried out exhaust from the pump orifice 38a that are provided in the underground tank 11.The person in charge 34a of the above-mentioned side of bleeding is connected with exhaust line (the 5th exhaust means) 39a, 39b, described exhaust line 39a, 39b caliber are less than exhaust line 37a, 37b, and therefore the flow of each exhaust line 37a, 37b carries out exhaust to the air in each sludge tank 15a, 15b to be lower than at ordinary times.
And open and close valve 40,41,42a, the 42b, 43 that carries out open and close controlling with control device described later is installed on exhaust line 35,36,37a, 37b, 38.
In addition, air in the equipment that person in charge 34a by the side of bleeding discharges from these exhaust lines 35,36,37a, 37b, 38,39a, 39b is by being connected the gas transmission line 45 of ventilation fan 34 outlet sides, be transported in a plurality of cement clinker manufacturing installations from open and close valve 46, import to respectively in the preheater shown in Figure 51 as combustion air, the cold air that 2 air that perhaps import to the slag cooler of dry kiln 3 reclaim band is blown in the fan (omitting diagram) realizes nuisancelessization by completing combustion.
In addition, in this air exchange system, above building 12 inner spaces 19, methane gas detector 47 is set, hydrogen-sulfide gas detector 48 is set in the bottom of underground tank 11.And be provided with according to control open and close valve 40,41,42a, 42b, 43 control device that open and close such as the signal that detects from these detectors 47,48 and the switching signals of closed cover 18.
Below according to the control function of Fig. 1 to Fig. 4 with above-mentioned control device, order describes the air exchange system action effect of the sewage sludge receiving equipment that comprises said structure.White open and close valve is expressed as opening among the figure, and the black open and close valve is expressed as closed condition.
At first in this air exchange system by making at ordinary times extraneous air be blown into fan 30 runnings, mandatory continuously from the extraneous air blow-off outlet 32 that is arranged on underground tank 11 bottom 11a to inner space 19 input extraneous airs.
And when operating usually, as shown in Figure 1, make the open and close valve 33 that is arranged on 21 places, next door, the open and close valve 40 of exhaust line 35 and the open and close valve 43 of exhaust line 38 remain on opening.Use scavenger pump 34 through exhaust lines 38 thus, the pump orifice 38a in the underground tank 11, the extraneous airs that a part is transported in the underground tank 11 carry out exhaust.In addition, the air that rises in inner space 19 flow in the input space 22 through open and close valve 33, and portion uses scavenger pump 34 to discharge from pump orifice 35a by exhaust line 35 from it.Air in sludge tank 15a, the 15b carries out exhaust with less amount by exhaust line 39a, 39b at ordinary times at every turn.The result can prevent really that foul smell of spilling from sludge tank 15a, 15b etc. is trapped in the underground tank 11 and building 12 of sewage sludge receiving equipment.
In addition, when side's sludge tank 15a receives mud, open the gate 14 of this sludge tank 15a side as shown in Figure 2, will transport with truck (transportation means) T and import in the input space 22, pass through cylinder 18a unlatching closed cover 18 simultaneously.At this moment according to signal, open pump orifice the 36a open and close valve 41 and the sludge tank 15a open and close valve 42a of 17 tops, mud input port that are positioned at unlatching from the limit switch that detects closed cover 18 unlatchings.In addition, close the open and close valve 40 of the exhaust line 35 of the open and close valve 43 of open and close valve 33 to the above-mentioned input space 22, underground tank 11 and other sludge tank 15b side.
Thus, the suction force that is produced by ventilation fan 34 is mainly used in by the air exhaust in the sludge tank 15a of exhaust line 37a and by the air exhaust in the input space 22 of exhaust line 35,36.
Like this when at emphasis to owing to dropping in the sludge tank 15a that mud produces a large amount of foul smell and the air of the input space 22 when carrying out exhaust, can prevent that above-mentioned foul smell from flowing backwards to inner space 19, perhaps prevent from diffusing to the outside for truck T is entered with the gateway 13 of opening.
In addition, as shown in Figure 3, when common operation be thereby the generation methane gas with the mud in sludge tank 15a, the 15b, if be trapped in the inner space 19 that is used for mechanical operating space, the then concentration of methane gas rising among the A of top as shown in phantom in FIG..And when the value that is detected by the methane gas detector 47 that is arranged on 19 tops, inner space reaches the setting value that is considered to be harmful to,, close open and close valve 43 from the exhaust line 38 of underground tank 11 by above-mentioned control device.In addition, unlatching is from the open and close valve 41 of the exhaust line 36 of the input space 22.
The extraneous air that the result is input in the underground tank 11 all is transported to 19 tops, inner space, flow in the input space 22 from open and close valve 33 in company with above-mentioned methane gas, in this input space 22,, carry out exhaust with ventilation fan 34 in the early stage by the pump orifice 36a of exhaust line 36 and the pump orifice 35a strong pumping of exhaust line 35.
When above-mentioned concentration of methane gas is reduced to setting when following, each open and close valve carries out open and close controlling by above-mentioned control device and reaches peacetime state shown in Figure 1 once more.
On the other hand as shown in Figure 4, be trapped in inner space 19 if produce hydrogen sulfide gas by above-mentioned sludge tank 15a, 15b, this hydrogen sulfide gas is trapped in the bottom B of inner space 19 as shown in phantom in FIG., and its concentration raises.And when reaching the setting value that is considered to be harmful to by the value that the hydrogen-sulfide gas detector 48 that is arranged on underground tank 11 bottoms detects, by above-mentioned control device, to remain on opening to the open and close valve 43 that underground tank 11 interior air carry out the exhaust line 38 of exhaust, the open and close valve 40 of exhaust line 35 usefulness of the input space 22 tops that will always open is before this closed simultaneously.
The result is blown into fan 30 by extraneous air and is transported to extraneous air in the underground tank 11, all is sucked a mouthful 38a suction in company with the above-mentioned hydrogen sulfide gas that are detained in the underground tank 11, in the early stage from exhaust line 38 by ventilation fan 34 discharges.Be reduced to below the setting if work as above-mentioned sulfureted hydrogen gas concentration like this, each open and close valve carries out open and close controlling by above-mentioned control device equally and reaches peacetime state shown in Figure 1 once more.
As mentioned above according to the air exchange system of above-mentioned sewage sludge receiving equipment, then when operating usually or when receiving mud, also have when the concentration of methane gas and hydrogen sulfide gas raises, optionally, emphasis is taken a breath to the position of generation foul smell and in the position that gas is detained, stop the exhaust of other position simultaneously, thus promptly use the ventilation fan 34 of low capacity can prevent effectively really also that foul smell and gas etc. are trapped in sludge tank 15a, the 15b and the inner space 19 as the building 12 of operating space and underground tank 11 in.
Except that accepting mud At All Other Times, even close open and close valve 42a, the 42b of exhaust line 37a, 37b, small-bore exhaust line 39a, 39b that also can be by being arranged on sludge tank 15a, 15b carries out exhaust to the air in this sludge tank 15a, the 15b at ordinary times, and power that therefore can be by little ventilation fan 34 raises the odor concentration of these sludge tanks 15a, 15b and take precautions against in possible trouble.
Situation during sewage sludge receiving equipment in the sewage sludge treatment facility that only air exchange system with sewage sludge receiving equipment of the present invention is applied to be provided with simultaneously with the cement clinker manufacturing equipment in the above-mentioned embodiment is illustrated, but be not limited thereto, for the sewage sludge receiving equipment of various facilities and factory etc., equally all be adaptable.
Industrial applicability
According to the present invention, because optionally take a breath in the position be detained of emphasis position that foul smell is produced and pernicious gas when common operation and when receiving mud etc., stop simultaneously the exhaust of other position, so can effectively prevent in the sludge tank and the gases such as foul smell that cover in its building are detained by the ventilation means of low capacity more.
Claims (5)
1. the air exchange system of sewage sludge receiving equipment, its tread with transportation means is boundary, superstructure and the substructure that interconnects constructed in the inner space, wall portion at the above-mentioned tread that faces above-mentioned superstructure is provided with the gateway with shutter means simultaneously, sludge tank with mud input port is set in above-mentioned substructure, described mud input port is designed to freely openable in above-mentioned airtight means of tread opening while, and the next door is set in above-mentioned superstructure inside, described next door separates the input space from above-mentioned gateway to above-mentioned mud input port from above-mentioned inner space, it is characterized in that
Have the extraneous air of forcing continuously to import extraneous air to above-mentioned inner space from the bottom of above-mentioned substructure and be blown into means, the circulation of air means that the above-mentioned inner space and the above-mentioned input space are communicated with, the air of this input space is carried out the 1st exhaust means of exhaust from the top of the above-mentioned input space, be arranged on the position of the above-mentioned mud of facing of above-mentioned input space input port and the 2nd exhaust means that the air above this mud input port is carried out exhaust, the 3rd exhaust means that air in the above-mentioned sludge tank is carried out exhaust, and above-mentioned means of circulation, the 1st exhaust means, be respectively arranged with shutter means in the 2nd exhaust means and the 3rd exhaust means.
2. the air exchange system of sewage sludge receiving equipment according to claim 1, it is characterized in that, the methane gas detector is set above above-mentioned inner space, and methane gas discharge control device is set, when the value that is detected by this detector reaches setting value, at least when the shutter means of above-mentioned means of circulation and the 1st exhaust means is non-opening, the shutter means of these means of circulation and the 1st exhaust means is opened, when the shutter means of above-mentioned the 3rd exhaust means is non-closed condition, the shutter means of the 3rd exhaust means is closed simultaneously.
3. the air exchange system of sewage sludge receiving equipment according to claim 1 and 2, it is characterized in that, in above-mentioned substructure, be arranged on the 4th exhaust means that air to above-mentioned inner space carries out possessing in the exhaust shutter means, and the detector of hydrogen sulfide gas is set in the bottom of above-mentioned substructure, hydrogen sulfide gas discharge control device is set simultaneously, when the value that is detected by this detector reaches setting, when the shutter means of above-mentioned the 4th exhaust means is non-opening, the shutter means of the 4th exhaust means is opened, when the shutter means of above-mentioned the 1st～the 3rd exhaust means is non-closed condition, the shutter means of the 1st～the 3rd exhaust means is closed simultaneously.
4. the air exchange system of sewage sludge receiving equipment according to claim 1 and 2, it is characterized in that, be responsible for to be connected the 5th exhaust means is set with the side of bleeding in importing above-mentioned superstructure, the air in the above-mentioned sludge tank is carried out exhaust with the flow that is lower than above-mentioned at ordinary times the 3rd exhaust means.
5. the air exchange system of sewage sludge receiving equipment according to claim 3, it is characterized in that, be responsible for to be connected the 5th exhaust means is set with the side of bleeding in importing above-mentioned superstructure, the air in the above-mentioned sludge tank is carried out exhaust with the flow that is lower than above-mentioned at ordinary times the 3rd exhaust means.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2005/015533 WO2007023562A1 (en) | 2005-08-26 | 2005-08-26 | Ventilation system of sludge receiving facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101248016A CN101248016A (en) | 2008-08-20 |
| CN101248016B true CN101248016B (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800514254A Active CN101248016B (en) | 2005-08-26 | 2005-08-26 | Ventilating system of sewage sludge receiving equipment |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3925563B2 (en) |
| CN (1) | CN101248016B (en) |
| WO (1) | WO2007023562A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264421B (en) * | 2020-11-06 | 2024-08-16 | 桂林市深能环保有限公司 | Deodorization system between mud and unloading |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243626Y (en) * | 1996-01-25 | 1996-12-25 | 杨永刚 | Sealed automatic odor smell expeller for toilet extraction vent |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3841326B2 (en) * | 1997-12-26 | 2006-11-01 | 三菱マテリアル株式会社 | Ventilation method and apparatus for sludge receiving building |
| JP4228548B2 (en) * | 2001-02-28 | 2009-02-25 | 三菱マテリアル株式会社 | Sludge hopper equipment and sludge treatment equipment |
| JP4700271B2 (en) * | 2003-10-24 | 2011-06-15 | 荏原エンジニアリングサービス株式会社 | Deodorization method and odor generator receiving equipment |
-
2005
- 2005-08-26 WO PCT/JP2005/015533 patent/WO2007023562A1/en active Application Filing
- 2005-08-26 JP JP2006552405A patent/JP3925563B2/en active Active
- 2005-08-26 CN CN2005800514254A patent/CN101248016B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243626Y (en) * | 1996-01-25 | 1996-12-25 | 杨永刚 | Sealed automatic odor smell expeller for toilet extraction vent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101248016A (en) | 2008-08-20 |
| JPWO2007023562A1 (en) | 2009-02-26 |
| JP3925563B2 (en) | 2007-06-06 |
| WO2007023562A1 (en) | 2007-03-01 |
| WO2007023562A8 (en) | 2008-08-07 |
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