CN209558383U - Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system - Google Patents
Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system Download PDFInfo
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- CN209558383U CN209558383U CN201920018551.9U CN201920018551U CN209558383U CN 209558383 U CN209558383 U CN 209558383U CN 201920018551 U CN201920018551 U CN 201920018551U CN 209558383 U CN209558383 U CN 209558383U
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Abstract
The utility model relates to garbage incinerating power plant waste heat boiler Leachate site concentrate soot blower systems, the system includes the concentration liquid storage tank, the first control valve and pump being sequentially communicated, it is connected with water pipe between first control valve and pump, which is equipped with the second control valve；The liquid outlet of the pump several soot blowing units in parallel, the soot blowing unit includes 2 regulating valves, the inlet of each regulating valve is connected to pump, the liquid outlet of each regulating valve is communicated with a soot blower, the outlet of two soot blowers is connected to same target exhaust gases passes, and two soot blowers are opposite with the communicating position of the target exhaust gases passes.The utility model carries out the soot blowing in exhaust-heat boiler flue gas channel using Leachate site concentrate, and the whole of concentrate can be better achieved and recycle, be advantageously implemented the zero-emission of plant area's waste water；Investment cost and operating cost needed for the processing of Leachate site concentrate can be greatly reduced.
Description
Technical field
The utility model relates to refuse incineration exhaust-heating boiler Leachate site concentrate soot blower systems, belong to domestic rubbish disposal
Technical field.
Background technique
Application of city life garbage power generation by waste combustion is current fast-developing trash processing way, can accomplish that garbage bulk is reduced
90%, Mass lost 70% ~ 80%, the heat for burning generation can be used for generating electricity, can be realized the innoxious of garbage disposal, minimizing,
The purpose of recycling.It is counted according in July, 2018, the garbage incinerating power plant that has put into operation of the whole nation reaches 359, at year rubbish
Reason amount is more than 1.05 hundred million tons.But it since there is application of city life garbage high-moisture, complicated component, calorific value to change characteristic greatly, lives
Before rubbish feeding incinerator is burned, need to carry out draining and fermentation 5 ~ 7 days in garbage pool, generation accounts for rubbish matter of marching into the arena
20% ~ 30% garbage leachate of amount.Garbage-leachate processing system mainly includes pretreatment, anaerobism, nitrification, ultrafiltration, nanofiltration, anti-
The units such as infiltration generate Leachate site clear liquid and concentrate, and wherein the mass ratio of Leachate site clear liquid is 70%, the mass ratio of concentrate
It is 30%, Leachate site clear liquid can be recycled in garbage incinerating power plant in recirculated water, the salt content of Leachate site concentrate
High, organic pollutant content height, a part of garbage incinerating power plant are used for flying dust, depickling slurrying etc., but to deacidification system, flying dust
Processing generates some adverse effects, influences the stability and flying dust treatment effect of deacidification system operation, a part of waste incineration hair
Power plant uses evaporation technology, and investment is big, and operating cost is high, therefore the processing of Leachate site concentrate is always garbage incinerating power plant
The more insoluble problem faced.Stringenter, the face in particular with environmental requirement of the country to garbage incinerating power plant
The shortcomings of the prior art is handled to Leachate site concentrate, researchs and develops a kind of skill that can efficiently use Leachate site concentrate
Art is very important.
Utility model content
The purpose of this utility model is that in order to overcome conventional garbage power generation by waste combustion factory Leachate site concentrate Land use systems to deposit
Deficiency, a kind of garbage incinerating power plant waste heat boiler Leachate site soot blower system is provided, with all recycle concentrates,
It realizes plant area's wastewater zero discharge, meets stringenter environmental requirement, reduce the construction investment and operation of concentration liquid treating system
Cost.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is as follows:
Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system, including be sequentially communicated concentration liquid storage tank, first
Control valve and pump are connected with water pipe between first control valve and pump, which is equipped with the second control valve；The pump
Liquid outlet several soot blowing units in parallel, the soot blowing unit includes 2 regulating valves, and the inlet of each regulating valve connects with pump
Logical, the liquid outlet of each regulating valve is communicated with a soot blower, and the outlet of two soot blowers is connected to same target exhaust gases passes, and two
A soot blower is opposite with the communicating position of the target exhaust gases passes.
Wherein, concentration liquid storage tank is used to store the concentrate of garbage incinerating power plant leachate treatment system generation.
Further, the liquid outlet of the pump is parallel with the first regulating valve, the second regulating valve, third regulating valve and the 4th and adjusts
Valve is saved, the first soot blower is communicated in first regulating valve, the second soot blower is communicated in the second regulating valve, described first blows
The outlet of grey device is connected to first object exhaust gases passes, and the outlet of second soot blower is connected to first object exhaust gases passes,
The outlet of first soot blower and the communicating position of first object exhaust gases passes are located at outlet and the first object cigarette of the second soot blower
The opposite side of the communicating position in gas channel；It is communicated with third soot blower in the third regulating valve, is communicated in the 4th regulating valve
Four soot blowers, the outlet of the third soot blower are connected to the second target exhaust gases passes, the outlet of the 4th soot blower and the
The connection of two target exhaust gases passes, the outlet of third soot blower and the communicating position of the second target exhaust gases passes are located at the 4th soot blower
Outlet and the opposite side of the communicating positions of the second target exhaust gases passes.
Further, existing soot blower, such as water power sootblower can be used in the soot blower, it is preferable that soot blower is arranged in
The above position in the middle part of first object exhaust gases passes height, the following position in the middle part of the second target exhaust gases passes height, soot blower spray
Outspoken diameter is 6mm ~ 10mm.
Further, first object exhaust gases passes are the second exhaust gases passes of waste heat boiler, and the second target exhaust gases passes are
The third exhaust gases passes of waste heat boiler.
Optionally, the left side wall of the second exhaust gases passes is equipped at least one soot blower, the right-side wall of the second exhaust gases passes
At least one soot blower is installed.
Optionally, the left side wall of third exhaust gases passes is equipped at least one soot blower, the right-side wall of third exhaust gases passes
At least one soot blower is installed.
Further, the pump is force (forcing) pump.Further, the outlet pressure of force (forcing) pump is 1.5MPa ~ 2.2MPa, is used
Variable-frequency motor is adjusted.
Further, the soot blower is water power sootblower.
It further, further include PLC control cabinet, to be carried out automatically controlling to control valve, pump and regulating valve.Further,
Settable PLC control cabinet is by the first control valve of sequence logical control works fine, the second control valve and the unlatching of regulating valve, closing side set
Formula, PLC control cabinet can be communicated with garbage incinerating power plant DCS control system.
Refuse incineration exhaust-heating boiler Leachate site concentrate ash-blowing method, utilizes Leachate site concentrate soot blowing as described above
System carries out, and first carries out soot blowing as media on target exhaust gases passes using Leachate site concentrate and handles 4-6min, is then to be situated between with water
Confrontation target exhaust gases passes carry out soot blowing and handle 0.5-1.5min.
Further, the quantity of the soot blowing unit is 2, is included the following steps:
The first control valve is opened, the second control valve is closed, then starting pump, the liquid outlet pressure for controlling pump is 1.5-
2.2MPa；
Open the second regulating valve, close other regulating valves, using Leachate site concentrate as medium by the second soot blower to the
One target exhaust gases passes carry out soot blowing, after soot blowing 4-6min, close the first control valve, the second control valve are opened, using water as medium
Soot blowing, soot blowing 0.5-1.5min are carried out to first object exhaust gases passes by the second soot blower；
The first control valve and the first regulating valve are opened, the second control valve and other regulating valves are closed, with Leachate site concentrate
Soot blowing is carried out to first object exhaust gases passes by the first soot blower for medium, after soot blowing 4-6min, the first control valve is closed, opens
The second control valve is opened, soot blowing, soot blowing 0.5- are carried out to first object exhaust gases passes by the first soot blower using water as medium
1.5min；
The first control valve and third regulating valve are opened, the second control valve and other regulating valves are closed, with Leachate site concentrate
Soot blowing is carried out to the second target exhaust gases passes by third soot blower for medium, after soot blowing 4-6min, the first control valve is closed, opens
The second control valve is opened, soot blowing, soot blowing 0.5- are carried out to the second target exhaust gases passes by third soot blower using water as medium
1.5min；
The first control valve and the 4th regulating valve are opened, the second control valve and other regulating valves are closed, with Leachate site concentrate
Soot blowing is carried out to the second target exhaust gases passes by the 4th soot blower for medium, after soot blowing 4-6min, the first control valve is closed, opens
The second control valve is opened, soot blowing, soot blowing 0.5- are carried out to the second target exhaust gases passes by the 4th soot blower using water as medium
1.5min；
All regulating valves, control valve are closed, pump is stopped, completing waste heat boiler whole soot blowing process.
Further, first using Leachate site concentrate be media on target exhaust gases passes carry out soot blowing processing 5min, then with
Water is that media on target exhaust gases passes carry out soot blowing processing 1min.
In the utility model, by the reasonable Arrangement to control valve, pump, regulating valve and soot blower, it can be achieved that Leachate site is dense
Contracting liquid, clear water handle the soot blowing in turn of target exhaust gases passes, and concentrate, clear water are blown into target flue gas by soot blower as medium
Behind channel, target exhaust gases passes heating surface is rinsed, and during the falling process with the high temperature cigarette in target exhaust gases passes
Gas contact, concentrate or clear water are heated evaporation, and concentrate salinity, foreign organic matter enter flue gas system, in this way, completing soot blowing
While, concentrate has obtained harmless treatment.Moreover, opposite two side in target exhaust gases passes is respectively provided with soot blowing
Device can promote soot blowing processing covering surface, promote soot blowing effect.
In the utility model, soot blowing processing is divided into two stages, i.e., using Leachate site concentrate as the first stage of medium and
Using clear water as the second stage of medium, it is preferable that duration first stage is longer, can effectively remove flue gas by the first stage
Vias inner walls dust stratification；By second stage, dust stratification can be further removed, in addition, Leachate site can also will be passed through during the first stage
The substance that concentrate is attached to exhaust gases passes heating surface is cleaned out, and guarantees cleaning effect.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) soot blowing that exhaust-heat boiler flue gas channel is carried out using Leachate site concentrate, can be better achieved concentrate
It all recycles, is advantageously implemented the zero-emission of plant area's waste water.
(2) investment cost and operating cost needed for the processing of Leachate site concentrate can be greatly reduced.
(3) cleaning for advantageously ensuring that exhaust-heat boiler flue gas channel heating surface improves the thermal efficiency of waste heat boiler.
Detailed description of the invention
Fig. 1 is the system structure schematic diagram of the first embodiment of the utility model.
Fig. 2 is the structure diagram of the waste heat boiler of the utility model the first embodiment.
Specific embodiment
The utility model is described in detail below with reference to embodiment.It should be noted that in the absence of conflict, this
The feature in embodiment and embodiment in utility model can be combined with each other.For sake of convenience, hereinafter such as occur "upper",
"lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not rise to limit to structure and make
With.
As shown in Figure 1, the medium temperature and medium pressure waste heat boiler of garbage incinerating power plant day output 500t/d is concentrated with Leachate site
Liquid soot blower system, including the concentration liquid storage tank 1, the first control valve 2 and pump 4 being sequentially communicated, first control valve 2 and pump 4 it
Between be connected with water pipe 16, the water pipe 16 be equipped with the second control valve 3；The liquid outlet of the pump 4 several soot blowing units in parallel,
The soot blowing unit includes 2 regulating valves, and the inlet of each regulating valve is connected to pump, the liquid outlet connection of each regulating valve
There is a soot blower, the outlet of two soot blowers is connected to same target exhaust gases passes, two soot blowers and the target exhaust gases passes
Communicating position it is opposite.
The liquid outlet of the pump 4 is parallel with the first regulating valve 5, the second regulating valve 6, third regulating valve 10 and the 4th regulating valve
11, the first soot blower 8 is communicated in first regulating valve, the second soot blower 7 is communicated in the second regulating valve, described first blows
The outlet of grey device is connected to first object exhaust gases passes 9, and the outlet of second soot blower is connected to first object exhaust gases passes,
The outlet of first soot blower and the communicating position of first object exhaust gases passes 9 are located at outlet and the first object cigarette of the second soot blower
The opposite side of the communicating position in gas channel；It is communicated with third soot blower 13 in the third regulating valve, is communicated in the 4th regulating valve
4th soot blower 12, the outlet of the third soot blower are connected to the second target exhaust gases passes 14, and the 4th soot blower goes out
Mouthful be connected to the second target exhaust gases passes, the communicating positions of the outlet of third soot blower and the second target exhaust gases passes 14 is positioned at the
The outlet and the opposite side of the communicating position of the second target exhaust gases passes of four soot blowers.As shown in Fig. 2, first object exhaust gases passes are
Two exhaust gases passes of the waste heat boiler 16 of China Western Power Industrial Co., Ltd.'s production, the second target exhaust gases passes are waste heat pot
Three exhaust gases passes of furnace.
Optionally, the pump is the 25IH10-300 force (forcing) pump of Hebei Zhong Wobeng industry Co., Ltd production.The soot blower
For the WLB50 type water power sootblower of Shanghai Clyder Bergemann Machinery Co., Ltd.'s production.
When soot blowing processing, concentration liquid storage tank 1 is used to store the reverse osmosis of garbage incinerating power plant leachate treatment system generation
Saturating concentrate；PLC control cabinet 15 controls control valve and regulating valve according to the logical order of setting, and PLC uses Siemens S7-400
Module, specifically: the first step opens the first control valve 2, closes the second control valve 3, and pump 4 is adjusted using variable-frequency motor, control pump
Outlet pressure in 2.0MPa, open the second regulating valve 6, close other regulating valves, by the second soot blower 7 to waste heat boiler the
One target exhaust gases passes, 9 right-side wall carries out soot blowing, and blowing time is 5 minutes, is then turned on the second control valve 3, closes the first control
Valve 2 carries out 9 right-side wall of waste heat boiler first object exhaust gases passes soot blowing 1 minute by soot blower 7；Second step opens first
Control valve 2 closes the second control valve 3, opens the first regulating valve 5, other regulating valves is closed, by the first soot blower 8 to waste heat
9 left side wall of the first exhaust gases passes of boiler carries out soot blowing, and blowing time is 5 minutes, is then turned on the second control valve 3, closes the first control
Valve 2 processed carries out 9 left side wall of waste heat boiler second channel soot blowing 1 minute by the first soot blower 8；Third step opens the first control
Valve 2 processed closes the second control valve 3, opens the 4th regulating valve 11, other regulating valves is closed, by the 4th soot blower 12 to waste heat
14 right-side wall of the second exhaust gases passes of boiler carries out soot blowing, and blowing time is 5 minutes, is then turned on the second control valve 3, closes the first control
Valve 2 processed carries out 14 right-side wall of the second exhaust gases passes of waste heat boiler soot blowing 1 minute by the 4th soot blower 12；4th step is opened
First control valve 2 closes the second control valve 3, opens third regulating valve 10, closes other regulating valves, pass through third soot blower 13
Soot blowing is carried out to 14 left side wall of the second exhaust gases passes of waste heat boiler, blowing time is 5 minutes, is then turned on the second control valve 3, closes
First control valve 2 carries out 14 left side wall of the second exhaust gases passes of waste heat boiler soot blowing 1 minute by third soot blower 13；5th
Step closes all regulating valves, stops pump 4, closes the first control valve 2, closes the second control valve 3, completes whole soot blowing process.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (4)
1. refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system, which is characterized in that including the concentrate being sequentially communicated
Storage tank (1), the first control valve (2) and pump (4), are connected with water pipe (16) between first control valve (2) and pump (4), should
Water pipe (16) is equipped with the second control valve (3)；The liquid outlet of the pump (4) several soot blowing units in parallel, the soot blowing unit
Including 2 regulating valves, the inlet of each regulating valve is connected to pump, and the liquid outlet of each regulating valve is communicated with a soot blower,
The outlet of two soot blowers is connected to same target exhaust gases passes, the communicating position phase of two soot blowers and the target exhaust gases passes
It is right.
2. Leachate site concentrate soot blower system according to claim 1, which is characterized in that the liquid outlet of the pump (4) is simultaneously
It is associated with the first regulating valve (5), the second regulating valve (6), third regulating valve (10) and the 4th regulating valve (11), first regulating valve
On be communicated with the first soot blower (8), be communicated in the second regulating valve the second soot blower (7), the outlet of first soot blower with
First object exhaust gases passes (9) connection, the outlet of second soot blower are connected to first object exhaust gases passes, the first soot blower
Outlet and the communicating position of first object exhaust gases passes (9) be located at outlet and the first object exhaust gases passes of the second soot blower
The opposite side of communicating position；It is communicated in the third regulating valve third soot blower (13), is communicated with the 4th in the 4th regulating valve and blows
Grey device (12), the outlet of the third soot blower are connected to the second target exhaust gases passes (14), the outlet of the 4th soot blower
It is connected to the second target exhaust gases passes, the communicating position of the outlet of third soot blower and the second target exhaust gases passes (14) is located at the
The outlet and the opposite side of the communicating position of the second target exhaust gases passes of four soot blowers.
3. Leachate site concentrate soot blower system according to claim 1 or 2, which is characterized in that the pump is force (forcing) pump.
4. Leachate site concentrate soot blower system according to claim 1 or 2, which is characterized in that the soot blower is waterpower
Soot blower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018551.9U CN209558383U (en) | 2019-01-07 | 2019-01-07 | Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018551.9U CN209558383U (en) | 2019-01-07 | 2019-01-07 | Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system |
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| CN209558383U true CN209558383U (en) | 2019-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595576A (en) * | 2019-01-07 | 2019-04-09 | 永清环保股份有限公司 | Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system and ash-blowing method |
-
2019
- 2019-01-07 CN CN201920018551.9U patent/CN209558383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595576A (en) * | 2019-01-07 | 2019-04-09 | 永清环保股份有限公司 | Refuse incineration exhaust-heating boiler Leachate site concentrate soot blower system and ash-blowing method |
| CN109595576B (en) * | 2019-01-07 | 2024-01-30 | 永清环保股份有限公司 | Leachate concentrated solution soot blowing system and soot blowing method for waste incineration waste heat boiler |
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