CN206778114U - A kind of wet electrical dust precipitator for reducing entrance flue gas temperature - Google Patents
A kind of wet electrical dust precipitator for reducing entrance flue gas temperature Download PDFInfo
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- CN206778114U CN206778114U CN201720266073.4U CN201720266073U CN206778114U CN 206778114 U CN206778114 U CN 206778114U CN 201720266073 U CN201720266073 U CN 201720266073U CN 206778114 U CN206778114 U CN 206778114U
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- outer tube
- dust precipitator
- electrical dust
- wet electrical
- flue gas
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Abstract
The utility model discloses a kind of wet electrical dust precipitator for reducing entrance flue gas temperature, the top of gas approach is provided with the second spray equipment, second spray equipment includes nozzle, water inlet pipe and suspension and support, the suspension and support is fixed at the top of gas approach, nozzle is fixed on suspension and support, the water side of water inlet pipe is connected with nozzle, the water inlet end of water inlet pipe is connected with the feed pipe of the first spray equipment, the gas approach gradually increases along flow of flue gas direction cross-sectional area, the bottom of gas approach is tilted to dirt pocket, and the bottom of dirt pocket is provided with drainpipe.The utility model has the advantages that：The application of wet electrical dust precipitator is expanded, after wet electrical dust precipitator can be made to be widely used in biomass boiler and semi-dry desulphurization system, reduces transformation difficulty and cost.Meanwhile heat sink improves wet electrical dust precipitator safety in operation, wet electrical dust precipitator service life is added.
Description
Technical field
It the utility model is related to a kind of wet electrical dust precipitator for reducing entrance flue gas temperature.
Background technology
The use condition of wet electrical dust precipitator is at present：Inlet flue gas temperature need to be saturation or is generally close to flue gas, cigarette temperature
Less than 60 DEG C, wet electrical dust precipitator need to be arranged in wet desulphurization device rear end, only in housing in wet electrical dust precipitator system process
Top sets spray system, circulating cooling make-up water wet electrical dust precipitator.
Because the smoke processing system of part power plant uses semi-dry desulphurization, desulfurization outlet cigarette temperature is higher, has exceeded wet type
Electric cleaner uses cigarette temperature.Water film dedusting mode is typically also used using biomass boiler, for the purposes of reaching minimum discharge
Purpose, wet electrical dust precipitator need to be set, but water dust scrubber outlet cigarette temperature has exceeded wet electrical dust precipitator normal use cigarette temperature.
Utility model content
The purpose of this utility model is to provide a kind of wet electrical dust precipitator for reducing entrance flue gas temperature, can effectively solved
Certainly existing part boiler export flue-gas temperature exceedes the normal use temperature of wet electrical dust precipitator, causes wet electrical dust precipitator to use
The problem of lost of life.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：One kind reduces entrance
The wet electrical dust precipitator of flue-gas temperature, including dirt pocket and the first spray equipment being arranged at the top of dirt pocket, first spray
Shower device includes feed pipe, and the dirt pocket is provided with gas approach, and the top of the gas approach is provided with the second spray equipment, institute
Stating the second spray equipment includes nozzle, water inlet pipe and suspension and support, and the suspension and support is fixed at the top of gas approach, and nozzle is fixed on
On suspension and support, the water side of water inlet pipe is connected with nozzle, and the water inlet end of water inlet pipe is connected with the feed pipe of the first spray equipment, institute
State gas approach along flow of flue gas direction cross-sectional area gradually to increase, the bottom of gas approach is tilted to dirt pocket, dirt pocket
Bottom be provided with drainpipe.
Preferably, the suspension and support includes outer tube and inner sleeve, is provided with and outer tube external diameter at the top of the gas approach
Equal through hole, outer tube are fixed at the top of gas approach, and the bottom of outer tube is concordant with via bottoms, and being provided with outer tube will
The upper cover plate of outer tube top seal, be additionally provided with the bottom sealing plate of outer tube bottom end closure in outer tube, formed in outer tube in
Chamber, the inner sleeve pass through inner chamber from top to bottom, and the upper end of inner sleeve is connected with water inlet pipe, lower end and the nozzle phase of inner sleeve
Even, the part that inner sleeve is located at interior intracavitary is provided with tap hole, at least one hole for water spraying is provided with the bottom sealing plate；Allowed by inner chamber
The hydraulic pressure of each hole for water spraying is more uniform, while reduces suspension and support and the sealing requirements of gas approach installation, it is easier to constructs.
Preferably, the hole for water spraying is opened in along bottom sealing plate edge, and the hole for water spraying is orifice, and hole for water spraying is towards away from outer
Casing axis direction is sprayed water, and the axis of the hole for water spraying and the axis of outer tube are at an acute angle；Directly spray outward-dipping water smoke
Form protection, easy processing simple in construction.
Preferably, it is fixed with drain block on the inner sleeve below bottom sealing plate, the drain block is annular, drain block direction
It is provided with intake chute on the face of bottom sealing plate, intake chute is annular and concentric with drain block, and the cross section of intake chute is arc, intake chute
It is inlet close to drain block center, the liquid outlet is located at immediately below hole for water spraying, and intake chute is outer peripheral close to drain block
For liquid outlet, liquid outlet goes out liquid direction towards bottom sealing plate；Changed the direction of a stream of water by the liquid bath that falls on the block of falling liquid, allow current court
The outflow of upper and outwardly direction is sprayed on gas approach inwall, forms moisture film, prevents flue gas from entering.
Preferably, some drain muscle, uniform diameter distribution of the drain muscle along drain block are provided with the intake chute；It is logical
Drain muscle is crossed evenly to flow out in liquid outlet by liquid.
Compared with prior art, the utility model has the advantages that：Second spray dress is set at the top of existing gas approach
Put, the nozzle of the second spray equipment is used for spraying liquid to cooling into flue gas, and nozzle is fixed suspension and support, water inlet
Pipe reduces transformation difficulty and cost, expands the application of wet electrical dust precipitator, can make from the first spray equipment diversion
Wet electrical dust precipitator is widely used in after biomass boiler water film dedusting and after semi-dry desulphurization system, and the bottom of gas approach
It is arranged to tilt to dirt pocket, the liquid under can the second spray equipment be drenched imports dirt pocket and is uniformly reclaimed or handled,
Meanwhile heat sink improves wet electrical dust precipitator efficiency of dust collection and safety in operation, extend wet electrical dust precipitator and use the longevity
Life.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the wet electrical dust precipitator for reducing entrance flue gas temperature of the utility model；
Fig. 2 is that a kind of structure of suspension and support in a kind of wet electrical dust precipitator for reducing entrance flue gas temperature of the utility model is cutd open
View；
Fig. 3 is another structure of suspension and support in a kind of wet electrical dust precipitator for reducing entrance flue gas temperature of the utility model
Schematic diagram；
Fig. 4 is the top view of the block of falling liquid in a kind of wet electrical dust precipitator for reducing entrance flue gas temperature of utility model.
Embodiment
It is a kind of embodiment for the wet electrical dust precipitator for reducing entrance flue gas temperature of the utility model refering to Fig. 1, one kind drops
The wet electrical dust precipitator of low entry flue-gas temperature, including dirt pocket 1 and the first spray equipment 2 for being arranged on the top of dirt pocket 1, institute
Stating the first spray equipment 2 includes feed pipe 3, and the dirt pocket 1 is provided with gas approach 4, and the top of the gas approach 4 is provided with the
Two spray equipments, second spray equipment include nozzle 6, water inlet pipe 7 and suspension and support 8, and the suspension and support 8 is fixed on flue gas and entered
The top of mouth 4, nozzle 6 are fixed on suspension and support 8, and the water side of water inlet pipe is connected with nozzle 6, the water inlet end of water inlet pipe and the first spray
The feed pipe 3 of shower device 2 is connected, and the gas approach 4 gradually increases along flow of flue gas direction cross-sectional area, gas approach 4
Bottom is tilted to dirt pocket 1, and the bottom of dirt pocket 1 is provided with drainpipe 9, so from original diversion of first spray equipment 2, leads to
Cross nozzle 6 to be sprayed at gas approach 4, the flue gas of entrance is cooled, the stream that waste water passes through the bottom of gas approach 4
Enter and be collected in dirt pocket 1, inlet flue gas is effectively cooled.
As shown in Fig. 2 further suspension and support 8 includes outer tube 10 and inner sleeve 11, the top of gas approach 4 be provided with and
The equal through hole of the external diameter of outer tube 10, outer tube 10 are fixed on the top of gas approach 4, and bottom and the via bottoms of outer tube 10 are put down
Together, it is provided with the upper cover plate 12 of the top seal of outer tube 10 in outer tube 10, is additionally provided with outer tube 10 by the bottom of outer tube 10
The bottom sealing plate 13 of closing, outer tube 10 is interior to form inner chamber 14, and the inner sleeve 11 passes through inner chamber 14 from top to bottom, inner sleeve 11
Upper end is connected with water inlet pipe 7, and the lower end of inner sleeve 11 is connected with nozzle 6, and the part that inner sleeve 11 is located in inner chamber 14 is provided with point
Discharge orifice 15, at least one hole for water spraying 16 is provided with the bottom sealing plate 13, the hole for water spraying 16 is opened in along the edge of bottom sealing plate 13, institute
It is orifice to state hole for water spraying 16, hole for water spraying 16 towards away from the axis direction of outer tube 10 water spray, the axis of the hole for water spraying 16 with it is outer
The axis of sleeve pipe 10 is at an acute angle, passes through the tap hole 15 on inner sleeve 11, the injection technology water into inner chamber 14, then from hole for water spraying
16 spray the water smoke of atomization, and water smoke shielding is formed in the periphery of outer tube 10, prevent or reduce flue gas and outer tube 10 is entered with flue gas
The corrosion of 4 top junctions of mouth, it is possibility to have imitate in order to which the position for preventing flue gas from newly being opened from the top of gas approach 4 is escaped.
As shown in Figure 3, Figure 4, can also be in the inner sleeve below bottom sealing plate 13 in addition to hole for water spraying 16 is set into orifice
It is fixed with drain block 17 on 11, the drain block 17 is annular, and drain block 17 is towards being provided with intake chute on the face of bottom sealing plate 13
18, intake chute 18 is annular and concentric with drain block 17, and the cross section of intake chute 18 is arc, and intake chute 18 is close to drain block 17
Center is located at immediately below hole for water spraying 16 for inlet 19, the liquid outlet 20, and intake chute 18 is outer peripheral close to drain block 17
For liquid outlet 20, liquid outlet 20 goes out liquid direction towards bottom sealing plate 13, allows the water left from hole for water spraying 16 to change direction towards oblique
Outer position outflow, makes the integral annular of current of outflow liquid outlet 20, and can control hydraulic pressure size, allows from liquid outlet
The current of 20 outflows directly encounter the inwall of gas approach 4, and the position of 4 top suspension and support of gas approach 8 is closed, and prevent flue gas from entering
Enter.
Second spray equipment is set at the top of existing gas approach 4, and the nozzle 6 of the second spray equipment is used for spraying liquid
To cooling into flue gas, nozzle 6 is fixed suspension and support 8, and water inlet pipe 7 is reduced and changed from the diversion of the first spray equipment 2
Difficulty and cost are made, expands the application of wet electrical dust precipitator, wet electrical dust precipitator can be made to be widely used in biomass
After boiler water film dedusting and after semi-dry desulphurization system, and the bottom of gas approach 4 is arranged to tilt to dirt pocket 1, can incite somebody to action
Liquid under the leaching of first spray equipment 2 imports dirt pocket 1 and is uniformly reclaimed or handled, meanwhile, heat sink improves wet type
ESP Efficiency and safety in operation, extend wet electrical dust precipitator service life.
Specific embodiment of the utility model is the foregoing is only, but the technical characteristics of the utility model is not limited to
This, any those skilled in the art in field of the present utility model, all cover in this practicality newly by the change or modification made
Among the scope of the claims of type.
Claims (5)
1. the wet electrical dust precipitator of entrance flue gas temperature is reduced a kind of, including dirt pocket (1) and is arranged at the top of dirt pocket (1)
First spray equipment (2), first spray equipment (2) include feed pipe (3), and the dirt pocket (1) is provided with gas approach
(4), it is characterised in that：The top of the gas approach (4) is provided with the second spray equipment, and second spray equipment includes nozzle
(6), water inlet pipe (7) and suspension and support (8), the suspension and support (8) are fixed at the top of gas approach (4), and nozzle (6) is fixed on branch and hung
On frame (8), the water side of water inlet pipe is connected with nozzle (6), the feed pipe of the water inlet end of water inlet pipe and the first spray equipment (2)
(3) it is connected, the gas approach (4) gradually increases along flow of flue gas direction cross-sectional area, and the bottom of gas approach (4) is to dedusting
Room (1) is tilted, and the bottom of dirt pocket (1) is provided with drainpipe (9).
A kind of 2. wet electrical dust precipitator for reducing entrance flue gas temperature as claimed in claim 1, it is characterised in that：The branch is hung
Frame (8) includes outer tube (10) and inner sleeve (11), is provided with the top of the gas approach (4) equal with outer tube (10) external diameter
Through hole, outer tube (10) are fixed at the top of gas approach (4), and the bottom of outer tube (10) is concordant with via bottoms, outer tube
(10) it is provided with the upper cover plate (12) of outer tube (10) top seal in, outer tube (10) is interior to be additionally provided with outer tube (10) bottom
The bottom sealing plate (13) of closing, outer tube (10) is interior to form inner chamber (14), and the inner sleeve (11) passes through inner chamber (14) from top to bottom,
The upper end of inner sleeve (11) is connected with water inlet pipe (7), and the lower end of inner sleeve (11) is connected with nozzle (6), and inner sleeve (11) is located at
Part in inner chamber (14) is provided with tap hole (15), and at least one hole for water spraying (16) is provided with the bottom sealing plate (13).
A kind of 3. wet electrical dust precipitator for reducing entrance flue gas temperature as claimed in claim 2, it is characterised in that：The water spray
Hole (16) is opened in along bottom sealing plate (13) edge, and the hole for water spraying (16) is orifice, and hole for water spraying (16) is towards away from outer tube
(10) axis direction is sprayed water, and the axis of the axis and outer tube (10) of the hole for water spraying (16) is at an acute angle.
A kind of 4. wet electrical dust precipitator for reducing entrance flue gas temperature as claimed in claim 2, it is characterised in that：Bottom sealing plate
(13) it is fixed with drain block (17) on the inner sleeve (11) below, the drain block (17) is annular, drain block (17) direction
Intake chute (18) is provided with the face of bottom sealing plate (13), intake chute (18) is annular and, intake chute (18) concentric with drain block (17)
Cross section be arc, intake chute (18) is inlet (19) close to drain block (17) center, and liquid outlet (20) is positioned at water spray
Immediately below hole (16), it is liquid outlet (20) that intake chute (18) is outer peripheral close to drain block (17), and liquid outlet (20) goes out liquid side
To towards bottom sealing plate (13).
A kind of 5. wet electrical dust precipitator for reducing entrance flue gas temperature as claimed in claim 4, it is characterised in that：The drain
Some drain muscle (21), uniform diameter distribution of the drain muscle (21) along drain block (17) are provided with groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266073.4U CN206778114U (en) | 2017-03-17 | 2017-03-17 | A kind of wet electrical dust precipitator for reducing entrance flue gas temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266073.4U CN206778114U (en) | 2017-03-17 | 2017-03-17 | A kind of wet electrical dust precipitator for reducing entrance flue gas temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206778114U true CN206778114U (en) | 2017-12-22 |
Family
ID=60705324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720266073.4U Active CN206778114U (en) | 2017-03-17 | 2017-03-17 | A kind of wet electrical dust precipitator for reducing entrance flue gas temperature |
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| Country | Link |
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| CN (1) | CN206778114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890530A (en) * | 2017-03-17 | 2017-06-27 | 浙江菲达环保科技股份有限公司 | A kind of wet electrical dust precipitator for reducing entrance flue gas temperature |
-
2017
- 2017-03-17 CN CN201720266073.4U patent/CN206778114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890530A (en) * | 2017-03-17 | 2017-06-27 | 浙江菲达环保科技股份有限公司 | A kind of wet electrical dust precipitator for reducing entrance flue gas temperature |
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