CN113413711B - Novel negative pressure dust collecting equipment suitable for ash storehouse and slag storehouse of thermal power plant - Google Patents
Novel negative pressure dust collecting equipment suitable for ash storehouse and slag storehouse of thermal power plant Download PDFInfo
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- CN113413711B CN113413711B CN202110731717.3A CN202110731717A CN113413711B CN 113413711 B CN113413711 B CN 113413711B CN 202110731717 A CN202110731717 A CN 202110731717A CN 113413711 B CN113413711 B CN 113413711B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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Abstract
The invention discloses a novel negative-pressure dust collecting device suitable for an ash storehouse and a slag storehouse of a thermal power plant, which comprises a spraying dust removing box and a spraying main pipe arranged outside the spraying dust removing box, wherein a plurality of layers of uniform and equidistant fog separating plates are arranged between an air inlet and an air outlet of a spraying tower, a plurality of uniform and equidistant horizontally-arranged spraying branch pipes are arranged at the top of each layer of fog separating plate, a demister is arranged at the air inlet end of the air outlet, and a plurality of uniform and equidistant fog separating balls are arranged between a spraying head and the fog separating plates at each layer. The invention is influenced by the environment temperature, the equipment can be normally used, the dust removal effect meets the requirement of environmental protection, the dust is uniformly distributed by the mist distribution plate when entering the spray dust removal box through the mist distribution plate, the dust removal effect is improved, a plurality of uniform and equidistant mist distribution balls are arranged between each layer of spray header and the mist distribution plate, the dust enters the spray dust removal box and is mixed by the mist distribution balls, the ball bonding dust is washed down by the water spray of the spray head, the purification effect is improved, and the demister can remove the water vapor in the gas.
Description
Technical Field
The invention relates to the technical field of spray towers, in particular to novel negative-pressure dust collection equipment suitable for an ash warehouse and a slag warehouse of a thermal power plant.
Background
In ash storehouse and sediment storehouse of thermal power plant, can produce a large amount of dusts and granule after the boiler burning, generally all need to discharge into the atmosphere after the dust remover removes dust, but current dust remover many kinds, if: a bag-type dust collector. The prior bag-type dust collector can meet the environmental protection requirement when used in relatively dry workshops, and has unobvious dust collecting effect on workshops with high humidity.
Disclosure of Invention
The invention aims to provide a novel negative pressure dust collecting device suitable for an ash warehouse and a slag warehouse of a thermal power plant, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel negative pressure dust collecting device suitable for an ash storehouse and a slag storehouse of a thermal power plant comprises a spraying dust removing box and a spraying main pipe arranged outside the spraying dust removing box, the bottom of the outer wall of the spraying dust removal box is provided with a spraying tower air inlet, the top of the spraying dust removal box is provided with an air outlet, a plurality of layers of uniform and equidistant spray distribution plates are arranged between the air inlet and the air outlet of the spray tower, a plurality of spray branch pipes which are uniformly and equidistantly arranged and are horizontally arranged are arranged at the top of each layer of the spray distribution plate, the spraying branch pipes are communicated with the spraying main pipe, each spraying branch pipe is provided with a plurality of spraying heads which are uniformly arranged at equal intervals and are arranged downwards, the defroster is installed to the air inlet end of air outlet, spray on one side outer wall of dust removal case still be connected with spray tower drain that the dust removal incasement portion that sprays is linked together, every layer of shower head with divide and install a plurality of even equidistance branch fog balls between the fog board.
Preferably, a spraying tower sewage draining plate which is obliquely arranged is installed at the bottom in the spraying dust removing box.
Preferably, the lower end part of the spray tower sewage draining plate and the spray tower sewage draining outlet are positioned at the same horizontal height, and the inclination angle of the spray tower sewage draining plate is 20-30 degrees.
Preferably, the number of the mist separation plates is at least three.
Preferably, the number of the branch spray pipes is at least two, and the distance between two adjacent branch spray pipes is 30-50 cm.
Preferably, the number of the spray headers on each spray branch pipe is at least 5, and the distance between two adjacent spray headers is 30-60 cm.
As preferred, every layer the plugboard is installed to a tip of branch fog board, every layer divide the fog board to keep away from a tip of plugboard and install many even equidistance and be linear arrangement's mud and wash the branch pipe, it washes the person in charge still to install mud on the outer wall of dust removal case to spray, mud washes the branch pipe and washes the person in charge with mud and be linked together.
Preferably, the fog separating plate is provided with a slot matched with the plug board in size in a plug-in manner.
Preferably, a rubber sleeve is installed at one end part of the insertion plate inserted into the slot, and the insertion plate sleeved with the rubber sleeve is in interference fit with the slot.
Preferably, the water inlet end of the spraying main pipe is provided with a first control valve, and the water inlet end of the sludge flushing main pipe is provided with a second control valve.
Compared with the prior art, the invention has the beneficial effects that:
1. in this novel negative pressure dust collecting equipment who is fit for ash storehouse and sediment storehouse of thermal power plant, do not receive ambient temperature's influence, equipment can normal use, dust removal effect reaches the environmental protection requirement, branch fog board through setting up, get into at the dust and spray the dust removal incasement by dividing fog board to dust evenly distributed, improve dust removal effect, and install a plurality of even equidistance branch fog balls between every layer of shower head and the branch fog board, the dust gets into and sprays the dust removal incasement and mixes by dividing fog ball, spheroid bonding dust is washed down by the shower nozzle water spray, improve purifying effect, the defroster can get rid of the vapor in the gas, through the many spray branch pipes that set up and a plurality of shower heads that set up on every spray branch pipe, improve the density that sprays, dust collection effect is better, dust collection efficiency is higher.
2. In this novel negative pressure dust collecting equipment who is fit for ash storehouse and sediment storehouse of thermal power plant, through the branch pipe is washed to one side-mounting mud at every layer branch fog board, can spray after finishing, wash the mud on the branch fog board, improve the branch fog effect of branch fog board.
3. In this novel negative pressure dust collecting equipment who is fit for ash storehouse and sediment storehouse of thermal power plant, spray column blowdown board through the slope setting prevents that mud from piling up and blockking up the drain for a long time, improves sealed effect through the rubber sleeve that sets up, is convenient for control through the first control valve and the second control valve that set up.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic top view of the shower manifold of the present invention;
FIG. 3 is an exploded view of the mist separating plate and the inserting plate of the present invention;
FIG. 4 is a schematic structural view of a main sludge flushing pipe and a branch sludge flushing pipe thereon according to the present invention;
fig. 5 is a schematic structural view of the main spray pipe and the branch spray pipes thereon in the present invention.
The meaning of the various reference symbols in the drawings:
10. spraying a dust removal box; 11. an air inlet of the spray tower; 12. a spray tower blow-down plate;
20. a drain outlet of the spray tower;
30. a mist separation plate; 31. a plugboard; 32. a limiting seat; 33. a reinforcing bracket; 34. a slot; 35. a rubber sleeve; 36. a pull ring;
40. mist separating balls;
50. spraying a main pipe; 51. spraying branch pipes; 52. a shower head; 53. a first control valve;
60. a demister;
70. an air outlet;
80. flushing the main pipe with sludge; 81. flushing branch pipes with sludge; 82. a second control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
A novel negative pressure dust collecting device suitable for an ash warehouse and a slag warehouse of a thermal power plant comprises a spraying dust box 10 and a spraying main pipe 50 arranged outside the spraying dust box 10, wherein the bottom of the outer wall of the spraying dust box 10 is provided with a spraying tower air inlet 11, the top of the spraying dust box 10 is provided with an air outlet 70, a plurality of layers of uniform and equidistant mist distributing plates 30 are arranged between the spraying tower air inlet 11 and the air outlet 70, the top of each layer of mist distributing plate 30 is provided with a plurality of uniform and equidistant horizontally arranged spraying branch pipes 51, the spraying branch pipes 51 are communicated with the spraying main pipe 50, each spraying branch pipe 51 is provided with a plurality of uniform and equidistant downwards arranged spraying heads 52, the air inlet end of the air outlet 70 is provided with a demister 60, the outer wall of one side of the spraying dust box 10 is also connected with a spraying tower sewage outlet 20 communicated with the inside of the spraying dust box 10, a plurality of uniform and equidistant mist distributing balls 40 are arranged between each layer of spray headers 52 and the mist distributing plate 30.
In the concrete use, through the branch fog board 30 that sets up, get into in spraying dust removal case 10 at the dust and to dust evenly distributed by branch fog board 30, the dust removal effect is improved, and install a plurality of even equidistance branch fog balls 40 between every layer of shower head 52 and the branch fog board 30, the dust gets into and sprays dust removal case 10 in by dividing fog ball 40 and mix, the spheroid bonds the dust and is washed down by the shower nozzle 52 water spray, the purifying effect is improved, defroster 60 can get rid of the vapor in the gas, a plurality of shower heads 52 through many spray branch pipes 51 that set up and set up on every spray branch pipe 51, the density that improves and sprays, the effect of gathering dust is better, dust collection efficiency is higher.
Example 2
In order to prevent sludge accumulation in the spraying and dedusting box, the invention provides a second embodiment, in the embodiment, a spraying tower sewage discharging plate 12 which is obliquely arranged is arranged at the bottom in the spraying and dedusting box 10, the lower end part of the spraying tower sewage discharging plate 12 is positioned at the same horizontal height with a spraying tower sewage discharging port 20, the inclination angle of the spraying tower sewage discharging plate 12 is 20-30 degrees, the sludge accumulation is prevented from blocking the sewage discharging port 20 for a long time through the obliquely arranged spraying tower sewage discharging plate 12, and the inclination angle of the spraying tower sewage discharging plate 12 is 20 degrees in the embodiment.
Example 3
In order to improve the mist separation effect of the mist separation plate, the invention provides a third embodiment, in this embodiment, the number of the mist separation plates 30 is set to three layers, and the three layers of the mist separation plates 30 are used for performing mist separation cleaning layer by layer, so that the mist separation effect can be effectively improved.
Example 4
In order to improve the spraying effect, the invention further provides a fourth embodiment, in this embodiment, the number of the branch spraying pipes 51 is at least two, the distance between two adjacent branch spraying pipes 51 is 30-50cm, the number of the spray headers 52 on each branch spraying pipe 51 is at least 5, and the distance between two adjacent spray headers 52 is 30-60cm, by arranging a plurality of branch spraying pipes 51 and arranging a plurality of spray headers 52 on each branch spraying pipe 51, the spraying density is improved, the dust collecting effect is better, and the dust removing efficiency is higher.
Example 5
In order to prevent the problem that the mist separation plates are used for a long time to accumulate sludge, the invention further provides a fifth embodiment, in this embodiment, an insertion plate 31 is installed at one end of each layer of mist separation plate 30, a plurality of sludge flushing branch pipes 81 which are uniformly and equidistantly linearly arranged are installed at one end of each layer of mist separation plate 30 away from the insertion plate 31, a sludge flushing main pipe 80 is further installed on the outer wall of the spraying dust removal box 10, and the sludge flushing branch pipes 81 are communicated with the sludge flushing main pipe 80.
Example 6
In order to effectively remove dust on the surface of the mist separating plate, a sixth embodiment is provided in the present invention, in this embodiment, a slot 34 that is matched with the plug board 31 in size and is in plug fit with the mist separating plate 30 is formed on the mist separating plate 30, and the plug board 31 and the mist separating plate 30 can be separated by the arrangement of the slot 34, so that the cleaned dust can be washed away from a gap at the end of the mist separating plate 30.
Example 7
In order to improve the sealing performance between the plugboard and the slot, the invention further provides a seventh embodiment, in this embodiment, a rubber sleeve 35 is installed at one end of the plugboard 31, which is plugged into the slot 34, and the plugboard 31, which is sleeved with the rubber sleeve 35, is in interference fit with the slot 34, so that the sealing effect is improved by the arranged rubber sleeve 35.
Example 8
In order to better realize the water quantity control of the sludge flushing main pipe, the invention also provides an eighth embodiment, in this embodiment, the first control valve 53 is installed at the water inlet end of the spraying main pipe 50, the second control valve 82 is installed at the water inlet end of the sludge flushing main pipe 80, and the control is facilitated through the first control valve 53 and the second control valve 82.
In this embodiment, the sludge flushing branch pipe 81 is installed on one side of each layer of the mist separating plate 30, so that the sludge on the mist separating plate 30 can be flushed after the spraying is finished, and the mist separating effect of the mist separating plate is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a novel negative pressure dust collecting equipment who is fit for ash storehouse and sediment storehouse of thermal power plant which characterized in that: comprises a spraying dust removal box (10) and a spraying main pipe (50) arranged outside the spraying dust removal box (10), wherein a spraying tower air inlet (11) is formed in the bottom of the outer wall of the spraying dust removal box (10), an air outlet (70) is formed in the top of the spraying dust removal box (10), a plurality of layers of mist separation plates (30) which are uniformly arranged at equal intervals are arranged between the spraying tower air inlet (11) and the air outlet (70), each layer of a plug board (31) is arranged at one end part of each mist separation plate (30), a plurality of sludge flushing branch pipes (81) which are uniformly arranged at equal intervals and are linearly arranged are arranged at one end part of each mist separation plate (30), a sludge flushing main pipe (80) is further arranged on the outer wall of the spraying dust removal box (10), the sludge flushing branch pipes (81) are communicated with the sludge flushing main pipe (80), and each layer of the spraying branch pipes (51) which are horizontally arranged at the top of each mist separation plate (30) are arranged at uniform equal intervals, spray branch pipe (51) with spray and be responsible for (50) and be linked together, every spray branch pipe (51) and go up all to install shower head (52) that a plurality of even equidistance range and set up downwards, defroster (60) are installed to the air inlet end of air outlet (70), spray on one side outer wall of dust removal case (10) still be connected with spray tower drain (20) that dust removal case (10) inside is linked together spray, install branch fog ball (40) of a plurality of even equidistance between every layer of shower head (52) and branch fog board (30), the dust gets into and mixes by branch fog ball (40) in spraying dust removal case (10), and the spheroid bonds the dust and is washed down by shower head (52) water spray.
2. The novel negative-pressure dust collecting device suitable for the ash storehouse and the slag storehouse of the thermal power plant as claimed in claim 1, wherein: the bottom in the spraying dust removal box (10) is provided with a spraying tower sewage discharge plate (12) which is obliquely arranged.
3. The novel negative-pressure dust collecting device suitable for the ash storehouse and the slag storehouse of the thermal power plant as claimed in claim 2, wherein: the lower end part of the spray tower sewage draining plate (12) and the spray tower sewage draining outlet (20) are positioned at the same horizontal height, and the inclination angle of the spray tower sewage draining plate (12) is 20-30 degrees.
4. The novel negative-pressure dust collecting device suitable for the ash storehouse and the slag storehouse of the thermal power plant as claimed in claim 1, wherein: the number of the mist separation plates (30) is at least three.
5. The novel negative-pressure dust collecting device suitable for the ash warehouse and the slag warehouse of the thermal power plant as claimed in claim 1, characterized in that: the number of the spraying branch pipes (51) is at least two, and the distance between two adjacent spraying branch pipes (51) is 30-50 cm.
6. The novel negative-pressure dust collecting device suitable for the ash storehouse and the slag storehouse of the thermal power plant as claimed in claim 5, wherein: the number of the spray headers (52) on each spray branch pipe (51) is at least 5, and the distance between two adjacent spray headers (52) is 30-60 cm.
7. The novel negative-pressure dust collecting device suitable for the ash storehouse and the slag storehouse of the thermal power plant as claimed in claim 1, wherein: the mist distribution plate (30) is provided with a slot (34) which is matched with the plug board (31) in size in a plug-in manner.
8. The novel negative-pressure dust collecting device suitable for the ash warehouse and the slag warehouse of the thermal power plant as claimed in claim 7, characterized in that: one end part of the plug board (31) which is plugged with the slot (34) is provided with a rubber sleeve (35), and the plug board (31) which is sleeved with the rubber sleeve (35) is in interference fit with the slot (34).
9. The novel negative-pressure dust collecting device suitable for the ash storehouse and the slag storehouse of the thermal power plant as claimed in claim 6, wherein: the utility model discloses a sludge flushing device, including spraying, be responsible for (50), the end of intaking of spraying is installed first control valve (53), sludge flushing is responsible for (80) the end of intaking and is installed second control valve (82).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110731717.3A CN113413711B (en) | 2021-06-30 | 2021-06-30 | Novel negative pressure dust collecting equipment suitable for ash storehouse and slag storehouse of thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731717.3A CN113413711B (en) | 2021-06-30 | 2021-06-30 | Novel negative pressure dust collecting equipment suitable for ash storehouse and slag storehouse of thermal power plant |
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| CN113413711A CN113413711A (en) | 2021-09-21 |
| CN113413711B true CN113413711B (en) | 2022-07-19 |
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| CN202110731717.3A Active CN113413711B (en) | 2021-06-30 | 2021-06-30 | Novel negative pressure dust collecting equipment suitable for ash storehouse and slag storehouse of thermal power plant |
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| CN117244345B (en) * | 2023-11-10 | 2024-02-23 | 新乡市美华净化设备有限公司 | Wet ash bulk dust collecting and purifying device |
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