CN202823160U - Spraying layer main pipe of wet process flue gas desulphurization absorption tower - Google Patents
Spraying layer main pipe of wet process flue gas desulphurization absorption tower Download PDFInfo
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- CN202823160U CN202823160U CN 201220475342 CN201220475342U CN202823160U CN 202823160 U CN202823160 U CN 202823160U CN 201220475342 CN201220475342 CN 201220475342 CN 201220475342 U CN201220475342 U CN 201220475342U CN 202823160 U CN202823160 U CN 202823160U
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- absorption tower
- spraying layer
- female pipe
- flue gas
- manhole door
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Abstract
The utility model relates to the field of power plant desulphurization and discloses a spraying layer main pipe of a wet process flue gas desulphurization absorption tower. According to the spraying layer main pipe, inspection manhole doors are arranged in the spraying layer main pipe of the absorption tower, and therefore workers can conveniently enter the spraying layer main pipe of the absorption tower to carry out operation, and nozzle blockage cleaning, examination of an outlet pipeline on the top portion of a sludge liquor circulation pump and local corrosion prevention repair can be convenient. Therefore, equipment examination and repair efficiency is improved, security in the process of examination and repair is guaranteed, service life of equipment is prolonged, and desulphurization efficiency is beneficially improved.
Description
Technical field
The utility model relates to the power plant desulfurization field, particularly the female pipe of the spraying layer of wet flue gas desulfurization absorption tower.
Background technology
Along with industrial expansion, the sulfur dioxide pollution of coal-fired power plant produces deeper and deeper harm to natural environment and human lives, and this problem is also dealt with the effective desulfurization measure of various advanced persons in numerous power plants.Flue gas desulfurization FGD(Flue gas desulfurization) be a kind of desulfurization method that coal-fired power plant mainly adopts, usually in coal-fired unit corresponding desulphurization system can be set, the former flue gas that coal combustion in the power generation process is produced passes through a series of processing of desulphurization system and is disposed to the external world.Desulphurization system is disposed to extraneous chimney after usually can being provided be used to the flue gas resistance that overcomes the FGD device booster fan that flue gas is introduced and flue gas being done further processing.
Existing wet desulfurization of flue gas by limestone-gypsum method method is the sulfur method that generates by-produced gypsum with lime stone slurry as desulfurizing agent washing sulfur dioxide in flue gas, the method adopts absorbent (lime stone slurry) and sulfur dioxide to carry out the chemical absorbing reaction in the absorption tower, adopt slurry circulating pump that the absorption tower inner absorbent is delivered to the absorption tower spraying layer, under certain pressure through nozzle atomization, under gravity and kinetic energy, finished absorbent to sulfur dioxide SO
2Absorption; Be delivered to the absorption tower spraying layer and absorbent be dispensed to mother's pipe of each nozzle branch road and to spray female pipe be slurry circulating pump on the absorption tower with absorbent, because the particularity of medium in the pipe, pipeline must be considered corresponding anticorrosion and abrasionproof usefulness, uses material to be fiberglass.The absorption tower sprays female pipe and is designed to whole female pipe in the prior art, as shown in Figure 1,100 is the female pipe of the spray house steward of every one deck among the figure, and 101 are the female pipe of absorption tower spray, it is the same that first, second and third layer fiberglass sprays female tubular construction size, and slurries enter the female pipe 101 of absorption tower spray from 100.Because wet desulfurization of flue gas by limestone-gypsum method system equipment work running environment particularity (corrosion and wearing and tearing); the line with rubber of slurry circulating pump anti-corrosion rubber lined pipe often can come off; plug nozzle causes desulfuration efficiency to descend; for the block clearing nozzle and carry out pipe inspection and local anti-corrosion repair, must be through the upper perforate of the female pipe of the spraying layer fiberglass of being everlasting.The workload of each maintenance is larger on the one hand, reduces female pipe intensity through the upper perforate of female pipe of being everlasting on the other hand, also easily stays equipment breakdown hidden danger.Workload during the female tube apparatus maintenance of absorption tower spray integration of existing design is unfavorable for equipment Operation safety and service life during than Datong District.
The utility model content
The purpose of this utility model is to provide a kind of female pipe of spraying layer of wet flue gas desulfurization absorption tower, spray female pipe and operate so that be convenient to enter the absorption tower, be convenient to spray nozzle clogging cleaning, slurry circulating pump top exit pipe inspection and local anti-corrosion repair, thereby improve overhaul of the equipments efficient, guarantee the security in the maintenance process, improve service life of equipment, be conducive to improve the efficient of desulfurization.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of spraying layer of wet flue gas desulfurization absorption tower female pipe, comprise: the female pipe of absorption tower spraying layer, offer at least one for the inspection manhole door of the female pipe of the described absorption tower of single turnover spraying layer on the female pipe of described absorption tower spraying layer, this inspection manhole door adopts bonding mode to be connected with the female pipe of the spraying layer on described absorption tower, and uses the glass fibre reinforced plastic prop finger setting.
The utility model embodiment in terms of existing technologies, the spraying layer pipeline is offered the inspection manhole door on the absorption tower, being convenient to enter the absorption tower sprays female pipe and operates, be convenient to spray nozzle clogging cleaning, slurry circulating pump top exit pipe inspection and local anti-corrosion repair, thereby improve overhaul of the equipments efficient, guarantee the security in the maintenance process, improve service life of equipment, be conducive to improve the efficient of desulfurization.
In addition, to be greater than or equal to be 0.12 square metre to the area of described inspection manhole door.Preferred described inspection manhole door is about 500 * 400 millimeters square hole, and the size of this inspection manhole door is convenient to single female pipe operation that enters, and improves maintenance speed, thereby guarantees that the desulphurization system device security stably moves, and improves the service life of equipment cycle.
In addition, be coated with blind plate on the described inspection manhole door, described blind plate adopts flange to be connected with the female pipe of the spraying layer on described absorption tower with bolt; Wherein, described flange and described blind plate thickness are 16 to 18 millimeters; Described flange is provided with short tube, and the height of described short tube is 80 to 120 millimeters.By covering blind plate at the inspection manhole door, slurries are not leaked.
In addition, the spraying layer on described absorption tower haves three layers, every one deck has 2 female pipes, offer 1 inspection manhole door on the female pipe of each root, described inspection manhole door has 6, thereby shortens the inspection and maintenance time, minimizing causes cutting to female pipe because of repair and maintenance, be conducive to guarantee the security in the maintenance process in the situation that do not tear the slurries short tube open and implement slurries circulation pipe vertical section and the line with rubber inspection of advancing the absorption tower section are further improved overhaul of the equipments efficient.
Description of drawings
Fig. 1 is the schematic diagram of spraying layer female pipe in absorption tower in the prior art;
Fig. 2 is the schematic diagram according to the female pipe of absorption tower spraying layer of the utility model the first embodiment;
Fig. 3 is the schematic diagram according to the female pipe of absorption tower spraying layer of the utility model the second embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing each embodiment of the present utility model is explained in detail.Yet, persons of ordinary skill in the art may appreciate that in each embodiment of the utility model, in order to make the reader understand the application better many ins and outs have been proposed.But, even without these ins and outs with based on many variations and the modification of following embodiment, also can realize each claim of the application technical scheme required for protection.
The first embodiment of the present utility model relates to a kind of female pipe of spraying layer of wet flue gas desulfurization absorption tower, as shown in Figure 2, offer at least one for the inspection manhole door 202 of the female pipe of single turnover absorption tower spraying layer on the female pipe 101 of this absorption tower spraying layer, the area of this inspection manhole door can be greater than or equal to 0.12 square metre, the convenient single turnover absorption tower female pipe of spraying layer carries out Problem and gets final product, such as, open the square hole of 500mm * 400mm at absorption tower spraying layer DN900 pipeline.By offering the inspection manhole door at the female pipe of absorption tower spraying layer, be convenient to single female pipe operation that enters, improve maintenance speed, guarantee that the desulphurization system device security stably moves, improve the service life of equipment cycle.
Such as the spraying layer that haves three layers in the absorption tower, every one deck have 2 female pipes, offer 1 inspection manhole door on the female pipe of each root, so the inspection manhole door always has 6.Thereby shorten the inspection and maintenance time, reduce because repair and maintenance causes cutting to female pipe, be conducive in the situation that do not tear the slurries short tube open and implement slurries circulation pipe vertical section and the line with rubber inspection of advancing the absorption tower section.
In addition, the material of inspection manhole door is identical with the material of the female pipe of absorption tower spraying layer, and adopts bonding mode to be connected with the female pipe of absorption tower spraying layer, and uses the glass fibre reinforced plastic prop finger setting.Wherein, the diameter of fiberglass pin can be 8 millimeters.
Compared with prior art, the absorption tower sprays female pipe and has offered after the inspection manhole door, if slurry circulating pump pipeline generation anti-corrosion rubber lined blow loss, the situation of corroding and peeling off plug nozzle, can open manhole door that the absorption tower sprays female pipe and directly enter in the pipeline internally nozzle clearing, carry out simultaneously the pipeline corrosion protection situation and check and a small amount of sectional repair.The operation that does not need at every turn the female pipe of spraying layer to be carried out destructive dismounting was again finished maintenance work afterwards, had reduced the cost of labor of each maintenance, improved maintenance efficiency.In addition, the installation of the upper inspection manhole door of the female pipe of absorption tower spraying layer has reduced the female tube damage dismounting of absorption tower spraying layer number of times, is conducive to keep the safety in production and improve the service life of equipment cycle.
The second embodiment of the present utility model relates to a kind of female pipe of spraying layer of wet flue gas desulfurization absorption tower.The second embodiment has been done further improvement on the first embodiment basis, main improvements are: in the utility model the second embodiment, be coated with blind plate 303 at the inspection manhole door, this blind plate adopts flange to be connected with the female pipe 101 of the spraying layer on absorption tower with bolt, as shown in Figure 3.Wherein, flange and blind plate thickness are 16 to 18 millimeters, and the material of connecting bolt is steel alloy 1.4529, and flange is the GB flange, and flange resin gel content is controlled at 40%～50%, and resin can adopt vinyl ester resin (W2-3).In addition, with short tube, highly be about 80 to 120 millimeters on the flange.
By covering blind plate at the inspection manhole door, slurries are not leaked.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiment of the utility model, and in actual applications, can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (8)
1. the spraying layer of a wet flue gas desulfurization absorption tower is female manages, comprise: the female pipe of absorption tower spraying layer, it is characterized in that, offer at least one for the inspection manhole door of the female pipe of the described absorption tower of single turnover spraying layer on the female pipe of described absorption tower spraying layer, this inspection manhole door adopts bonding mode to be connected with the female pipe of the spraying layer on described absorption tower, and uses the glass fibre reinforced plastic prop finger setting.
2. the female pipe of the spraying layer of wet flue gas desulfurization absorption tower according to claim 1 is characterized in that, it is 0.12 square metre that the area of described inspection manhole door is greater than or equal to.
3. the female pipe of the spraying layer of wet flue gas desulfurization absorption tower according to claim 2 is characterized in that, described inspection manhole door is 500 millimeters * 400 millimeters square hole.
4. the female pipe of the spraying layer of wet flue gas desulfurization absorption tower according to claim 1 is characterized in that, is coated with blind plate on the described inspection manhole door, and described blind plate adopts flange to be connected with the female pipe of the spraying layer on described absorption tower with bolt.
5. the female pipe of the spraying layer of wet flue gas desulfurization absorption tower according to claim 4 is characterized in that, described flange and described blind plate thickness are 16 to 18 millimeters.
6. the female pipe of the spraying layer of wet flue gas desulfurization absorption tower according to claim 4 is characterized in that, described flange is provided with short tube, and the height of described short tube is 80 to 120 millimeters.
7. the female pipe of the spraying layer of wet flue gas desulfurization absorption tower according to claim 6 is characterized in that, the diameter of described fiberglass pin is 8 millimeters.
8. according to claim 1 to the female pipe of the spraying layer of 7 each described wet flue gas desulfurization absorption towers, it is characterized in that, the spraying layer on described absorption tower haves three layers, and every one deck has 2 female pipes, offer 1 inspection manhole door on the female pipe of each root, described inspection manhole door has 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475342 CN202823160U (en) | 2012-09-17 | 2012-09-17 | Spraying layer main pipe of wet process flue gas desulphurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475342 CN202823160U (en) | 2012-09-17 | 2012-09-17 | Spraying layer main pipe of wet process flue gas desulphurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823160U true CN202823160U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220475342 Expired - Fee Related CN202823160U (en) | 2012-09-17 | 2012-09-17 | Spraying layer main pipe of wet process flue gas desulphurization absorption tower |
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| CN (1) | CN202823160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331628A (en) * | 2018-10-31 | 2019-02-15 | 广州博昊勘测技术有限公司 | A kind of desulphurization denitration purification device of the industrial boiler smoke separation of coal-fired plant |
-
2012
- 2012-09-17 CN CN 201220475342 patent/CN202823160U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331628A (en) * | 2018-10-31 | 2019-02-15 | 广州博昊勘测技术有限公司 | A kind of desulphurization denitration purification device of the industrial boiler smoke separation of coal-fired plant |
| CN109331628B (en) * | 2018-10-31 | 2021-02-09 | 江苏绿叶环境工程集团有限公司 | Desulfurization and denitrification purification device for flue gas separation of industrial boiler for coal power plant |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20210917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |