CN202762221U - Compressed air dewatering device and pneumatic ash conveying system - Google Patents

Compressed air dewatering device and pneumatic ash conveying system Download PDF

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Publication number
CN202762221U
CN202762221U CN201220435366.8U CN201220435366U CN202762221U CN 202762221 U CN202762221 U CN 202762221U CN 201220435366 U CN201220435366 U CN 201220435366U CN 202762221 U CN202762221 U CN 202762221U
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CN
China
Prior art keywords
compressed air
ash
pneumatic
watering apparatus
cylinder
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Expired - Lifetime
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CN201220435366.8U
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Chinese (zh)
Inventor
冯伟龙
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Zhongdian Guohua Shenmu Generate Electricity Co Ltd
China Shenhua Energy Co Ltd
Beijing Guohua Electric Power Co Ltd
Original Assignee
Zhongdian Guohua Shenmu Generate Electricity Co Ltd
China Shenhua Energy Co Ltd
Beijing Guohua Electric Power Co Ltd
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Application filed by Zhongdian Guohua Shenmu Generate Electricity Co Ltd, China Shenhua Energy Co Ltd, Beijing Guohua Electric Power Co Ltd filed Critical Zhongdian Guohua Shenmu Generate Electricity Co Ltd
Priority to CN201220435366.8U priority Critical patent/CN202762221U/en
Application granted granted Critical
Publication of CN202762221U publication Critical patent/CN202762221U/en
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Abstract

The utility model discloses a compressed air dewatering device. The compressed air dewatering device comprises a flash tank (1), a shutoff valve (2) and an automatic steam trap (3), wherein the flash tank is a cylinder with two closed ends, a compressed air inlet pipe (4) is arranged in the middle of the cylinder, a compressed air outlet pipe (5) is arranged on the upper portion of the cylinder, a water outlet pipe (6) is arranged at the bottom and is connected with one end of the shutoff valve, and the other end of the shutoff valve is connected with the automatic steam trap. By the aid of the compressed air dewatering device, the water content in compressed air can be greatly reduced, so that the problems of damp, ash deposition, corrosion, ash clogging and the like of devices in a pneumatic ash conveying system can be solved, and the device is simple to manufacture, low in cost and low in maintenance amount.

Description

Compressed air de-watering apparatus and pneumatic ash transmitting system
Technical field
The utility model relates to the Pneumatic ash conveying field, particularly, and the pneumatic ash transmitting system that relates to a kind of compressed air de-watering apparatus and comprise this compressed air de-watering apparatus.
Background technology
At present, the dedusting ash in the electric power enterprise production or Desulphurization are delivered in the bulk cement storage tank by remote strength such as compressed air etc. mostly, again it are carried out after-treatment.Simultaneously, in order to prevent that moisture that compressed air contains is on the impact of dedusting ash or Desulphurization, be used for the necessary drying of compressed air that strength is carried, the existing method of taking is to install air dry-set additional in air compressor outlet or compressed air reservoir entrance, to carry out compressed-air actuated dry the processing.
But, because compressed air reservoir carries Media Ratio far away apart from strengths such as dedusting ash or Desulphurizations, simultaneously, for environmental requirement, the strength such as dedusting ash or Desulphurization pumped (conveying) medium all necessarily requires to adopt remote conveying, thereby so that dry compressed air delivery drying no longer during to point of delivery, the zone that particularly there was dampness in the air or season, the Problem On Compressed Air With Water that is used for the strength conveying is quite serious, bring serious inconvenience for defeated ash, even the obstruction ash conveying pipe, the not only normal defeated grey operation of impact, and bring a large amount of maintenances for the repair and maintenance personnel.In addition, if install again compressed air drier additional in point of delivery, the cost of Pneumatic ash conveying will be improved greatly, and the renewal cost of drier is also quite high.
The utility model content
The purpose of this utility model provides a kind of compressed air de-watering apparatus, this compressed air de-watering apparatus can greatly reduce compressed-air actuated water amount, thereby reduces the problems such as the dust stratification that makes moist, corrosion and stifled ash of equipment in the pneumatic ash transmitting system, makes simple, cost is low, and maintenance is few.
To achieve these goals, the utility model provides a kind of compressed air de-watering apparatus, this compressed air de-watering apparatus comprises flash vessel, stop valve and automatic steam trap, described flash vessel is the cylinder of closed at both ends, the middle part of this cylinder is provided with compressed air inlet pipe, and top is provided with the compressed air fairlead, and the bottom is provided with outlet pipe, described outlet pipe is connected in an end of described stop valve, and the other end of described stop valve is connected with described automatic steam trap.
Preferably, the bottom of described cylinder is reclinate cancave cambered surface, and described outlet pipe is from the center of described bottom of cylinder to downward-extension.
Pass through technique scheme, compressed air with moisture enters into described flash vessel by described compressed air inlet pipe, fully fully collision on the wall of described flash vessel after the dilatation, gas, water carry out Gravity Separation, moisture after the separation is deposited in the bottom of described flash vessel and gets rid of from described automatic steam trap, does not then draw and enter into Pneumatic conveying pump to fail grey operation from the described compressed air fairlead on described flash vessel top with the compressed air of moisture.This compressed air de-watering apparatus can greatly reduce compressed-air actuated water amount, thereby reduces the problems such as the dust stratification that makes moist, corrosion and stifled ash of equipment in the pneumatic ash transmitting system, makes simply, and cost is low, and maintenance is few.
In addition, the utility model also provides a kind of pneumatic ash transmitting system, this pneumatic ash transmitting system comprises air compressor, Pneumatic conveying pump and storage apparatus for ash, described Pneumatic conveying pump is provided with air inlet, charging aperture, discharging opening and exhaust outlet, described discharging opening is connected in described storage apparatus for ash by ash conveying pipe, this pneumatic ash transmitting system also comprises the described compressed air de-watering apparatus of above-mentioned arbitrary claim, the described compressed air inlet pipe of this compressed air de-watering apparatus is connected in described air compressor, and described compressed air fairlead is connected in the described air inlet of described Pneumatic conveying pump.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the compressed air de-watering apparatus of the specific embodiment of the present utility model.
Fig. 2 is the structural representation according to the pneumatic ash transmitting system of the specific embodiment of the present utility model.
Description of reference numerals
1 flash vessel; 2 stop valves;
3 automatic steam traps; 4 compressed air inlet pipes;
5 compressed air fairleads; 6 outlet pipes;
7 air compressors; 8 Pneumatic conveying pumps;
9 air inlets; 10 charging apertures;
11 discharging openings; 12 exhaust outlets;
13 storage apparatus for ash.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Fig. 1 is the structural representation according to the compressed air de-watering apparatus of the specific embodiment of the present utility model.Followingly according to Fig. 1 the compressed air de-watering apparatus of the specific embodiment of the present utility model is described in detail.
As shown in Figure 1, the compressed air de-watering apparatus of the specific embodiment of the present utility model comprises flash vessel 1, stop valve 2 and automatic steam trap 3, flash vessel 1 is the cylinder of closed at both ends, the middle part of this cylinder is provided with compressed air inlet pipe 4, top is provided with compressed air fairlead 5, the bottom is provided with outlet pipe 6, and outlet pipe 6 is connected in an end of stop valve 2, and the other end of stop valve 2 is connected with automatic steam trap 3.
The compressed air with moisture that comes from air compressor or air accumulator enters into flash vessel 1 by compressed air inlet pipe 4, fully fully collision on the wall of flash vessel 1 after the dilatation, gas, water carry out Gravity Separation, moisture after the separation is deposited in the bottom of flash vessel 1 and gets rid of from automatic steam trap 3, does not then draw and enter the Pneumatic conveying pump (not shown in figure 1) to fail grey operation from the compressed air fairlead 5 on flash vessel 1 top with the compressed air of moisture.This compressed air de-watering apparatus can greatly reduce compressed-air actuated water amount, thereby reduces the problems such as the dust stratification that makes moist, corrosion and stifled ash of equipment in the pneumatic ash transmitting system, makes simply, and cost is low, and maintenance is few.
The structure of flash vessel 1 can be the cylindrical structure of closed at both ends.In addition, in order to guarantee that fully dilatation is so that can fully separate by aqueous vapor in flash vessel 1 for Compressed Gas, the flash vessel 1 of cylindrical structure must keep good overall tightness.
Compressed air inlet pipe 4 can be arranged on any position of middle part circumference of flash vessel 1.Certainly, compressed air inlet pipe 4 is not restricted to the medium position of flash vessel 1, also can be arranged on the upper position or the lower position that slightly depart from medium position.In order to make Compressed Gas can obtain comparatively ideal dilatation effect and aqueous vapor separating effect, compressed air inlet pipe 4 preferably is arranged on the medium position of dilatation 1.
In addition, compressed air fairlead 5 can be arranged on any position of top circumference of flash vessel 1, but is not limited to this, and compressed air fairlead 5 also can be arranged on the top end face of flash vessel 1.Outlet pipe 6 can be arranged on the bottom end face of flash vessel 1, need to prove, for the water that separates can in time be got rid of, the end face that outlet pipe 6 is positioned at flash vessel 1 inside flushes with the bottom surface of flash vessel 1.
In addition, for can make from the isolated water of Compressed Gas in time get rid of and not accumulation on the bottom surface of flash vessel 1, preferably, the bottom of the flash vessel 1 of cylindrical structure can be reclinate cancave cambered surface, and outlet pipe 6 can and be connected in stop valve 2 from the center of described cambered surface to downward-extension.In addition, the top structure of flash vessel 1 also can be the convex globoidal shape that is bent upwards.
Stop valve 2 can adopt the stop valve of existing any type, and for example straight-through stop valve, angle stop valves or plunger stop valve can be selected according to the needs of actual production.When compressed air de-watering apparatus of the present utility model was in running order, this stop valve 2 was in normal open mode.When automatic steam trap 3 breaks down the needs maintenance, can close stop valve 2.
Automatic steam trap 3 can be existing any drain valve, such as adopting loose float trap or lever floating ball type draining valve etc.Preferably, the automatic steam trap 3 of the utility model specific embodiment can adopt loose float trap.In addition, automatic steam trap can adopt existing any connected mode to be connected connected modes such as socket weld, screw thread or flange with stop valve 2.
Fig. 2 is the structural representation according to the pneumatic ash transmitting system of the specific embodiment of the present utility model.
The utility model also provides a kind of pneumatic ash transmitting system, this pneumatic ash transmitting system comprises air compressor 7, Pneumatic conveying pump 8 and storage apparatus for ash 13, Pneumatic conveying pump 8 is provided with air inlet 9, charging aperture 10, discharging opening 11 and exhaust outlet 12, discharging opening 11 is connected in storage apparatus for ash 13 by ash conveying pipe, this pneumatic ash transmitting system also comprises compressed air de-watering apparatus described above, the compressed air inlet pipe 4 of this compressed air de-watering apparatus is connected in air compressor 7, and compressed air fairlead 5 is connected in the air inlet 9 of Pneumatic conveying pump 8.
Pneumatic conveying pump 8 can adopt existing Pneumatic conveying pump, for example storehouse formula Pneumatic conveying pump or spiral Pneumatic conveying pump.In addition, in the situation that guarantees normal effectively defeated ash, in order to save defeated grey cost, preferably, Pneumatic conveying pump 8 can adopt the storehouse pump.
After described pneumatic ash transmitting system adopts above-mentioned compressed air de-watering apparatus, the compressed-air actuated water amount that is used for the strength conveying greatly reduces, especially when again starting Pneumatic conveying pump, the moisture that is attached in the compressed air piping can be all separated after strength is taken flash vessel 1 to, effectively reduce the air water amount that enters Pneumatic conveying pump, thereby reduce the dust stratification that makes moist, the Corrosion blockage problem of the equipment of described pneumatic ash transmitting system, realized the fluency of Pneumatic ash conveying.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (5)

1. compressed air de-watering apparatus, it is characterized in that, this compressed air de-watering apparatus comprises flash vessel (1), stop valve (2) and automatic steam trap (3), described flash vessel (1) is the cylinder of closed at both ends, the middle part of this cylinder is provided with compressed air inlet pipe (4), top is provided with compressed air fairlead (5), the bottom is provided with outlet pipe (6), described outlet pipe (6) is connected in an end of described stop valve (2), and the other end of described stop valve (2) is connected with described automatic steam trap (3).
2. compressed air de-watering apparatus according to claim 1 is characterized in that, the bottom of described cylinder is reclinate cancave cambered surface, and described outlet pipe (6) is from the center of described bottom of cylinder to downward-extension.
3. compressed air de-watering apparatus according to claim 1 is characterized in that, described automatic steam trap (3) is the free floating ball steam trap.
4. pneumatic ash transmitting system, this pneumatic ash transmitting system comprises air compressor (7), Pneumatic conveying pump (8) and storage apparatus for ash (13), described Pneumatic conveying pump (8) has air inlet (9), charging aperture (10), discharging opening (11) and exhaust outlet (12), described discharging opening (11) is connected in described storage apparatus for ash (13) by ash conveying pipe, it is characterized in that, this pneumatic ash transmitting system also comprises the described compressed air de-watering apparatus of above-mentioned arbitrary claim, the described compressed air inlet pipe (4) of this compressed air de-watering apparatus is connected in described air compressor (7), and described compressed air fairlead (5) is connected in the described air inlet (9) of described Pneumatic conveying pump (8).
5. pneumatic ash transmitting system according to claim 4 is characterized in that, described Pneumatic conveying pump is the storehouse pump.
CN201220435366.8U 2012-08-29 2012-08-29 Compressed air dewatering device and pneumatic ash conveying system Expired - Lifetime CN202762221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220435366.8U CN202762221U (en) 2012-08-29 2012-08-29 Compressed air dewatering device and pneumatic ash conveying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220435366.8U CN202762221U (en) 2012-08-29 2012-08-29 Compressed air dewatering device and pneumatic ash conveying system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102795480A (en) * 2012-08-29 2012-11-28 中国神华能源股份有限公司 Compressed air water removal device and pneumatic ash conveying system
CN105169814A (en) * 2015-10-15 2015-12-23 中国商用飞机有限责任公司 Gas-liquid separator
CN110759097A (en) * 2019-11-14 2020-02-07 上海电气集团股份有限公司 Feeding system for fly ash washing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102795480A (en) * 2012-08-29 2012-11-28 中国神华能源股份有限公司 Compressed air water removal device and pneumatic ash conveying system
CN105169814A (en) * 2015-10-15 2015-12-23 中国商用飞机有限责任公司 Gas-liquid separator
CN110759097A (en) * 2019-11-14 2020-02-07 上海电气集团股份有限公司 Feeding system for fly ash washing
CN110759097B (en) * 2019-11-14 2021-07-23 上海电气集团股份有限公司 Feeding system for fly ash washing

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Granted publication date: 20130306