CN214287099U - Filtering, circulating and recycling device for boiler dedusting water - Google Patents
Filtering, circulating and recycling device for boiler dedusting water Download PDFInfo
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- CN214287099U CN214287099U CN202120060997.5U CN202120060997U CN214287099U CN 214287099 U CN214287099 U CN 214287099U CN 202120060997 U CN202120060997 U CN 202120060997U CN 214287099 U CN214287099 U CN 214287099U
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Abstract
The application discloses boiler dusting water filtration circulation retrieval and utilization device sets up four at least sedimentation tanks through pipeline intercommunication on water film deduster outlet to set up the filter residue pump and bent sieve between first sedimentation tank and second sedimentation tank, carry out solid-liquid separation to the lime-ash that is difficult to the sediment after stewing, obtain the clear water for the circulation that can directly recycle to water film deduster, reduce the water consumption in the production process, reduction in production cost improves the treatment effeciency to boiler dusty gas.
Description
Technical Field
The application relates to a boiler dust removal water filtration cycle retrieval and utilization device belongs to sugaring technical field.
Background
The existing sugar mill usually needs to use a boiler to heat and dissolve raw materials in the production process and needs to obtain pure steam in the production process, and the boiler generates heat by burning various biomass fuels. The existing boiler can generate a large amount of dust-containing gas in use, and if the dust-containing gas is not treated and is directly tapped, the environmental pollution is caused.
The water film deduster is provided with a water film on the inner wall of the deduster, so that dust-containing gas impacts the inner wall of the deduster, and dust is captured by the water film, thereby purifying the gas. The treated boiler exhaust smoke can meet the emission requirement, but the direct emission of ash-containing water can cause pollution to the environment, and meanwhile, the water consumption for enterprise production is increased, the production cost is increased, and the water resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The application provides a boiler dust removal water filtration circulation retrieval and utilization device for solving above-mentioned technical problem.
The application provides a boiler dusting water filtration cycle retrieval and utilization device includes: the water film dedusting tower comprises a water film dedusting tower, an exhaust port, a drainage interface, an air inlet pipe, a first sedimentation tank, a second sedimentation tank, a third sedimentation tank, a fourth sedimentation tank and a filter residue assembly, wherein the air inlet pipe is arranged on a first side wall at the bottom of the water film dedusting tower, the drainage interface is arranged on a second side wall at the bottom of the water film dedusting tower, and the exhaust port is arranged at the top of the water film dedusting tower;
the water drainage interface is communicated with a pipeline of the first sedimentation tank; a liquid outlet of the first sedimentation tank is communicated with a pipeline of the filter residue assembly; the filter residue assembly is communicated with a liquid inlet pipeline of the second sedimentation tank; the second sedimentation tank is communicated with a third sedimentation tank through a pipeline; the third sedimentation tank is communicated with a fourth sedimentation tank through a pipeline; a first water inlet pipe is arranged on the side wall of the upper part of the water film dedusting tower, and a liquid outlet of the fourth sedimentation tank is communicated with a first water inlet pipe on the water film dedusting tower;
the filter residue subassembly includes: a filter residue pump and a curved sieve which are communicated by a pipeline in sequence.
Preferably, the method comprises the following steps: the pressurization mounting seat is arranged at a water inlet which is tangentially formed on the side walls of the first water inlet pipe and the water film dust removal tower;
the first end of the pressurizing spray pipe is communicated with the pressurizing mounting seat, and the second end of the pressurizing spray pipe extends into the water film dedusting tower along the tangential direction of the inner wall of the water film dedusting tower.
Preferably, the method comprises the following steps: the clear liquid pool is communicated with a fourth sedimentation tank through a pipeline; the clear liquid pond is communicated with a first water inlet pipe, and a circulating water pump is arranged on a pipeline communicated with the first water inlet pipe.
Preferably, the method comprises the following steps: the water inlet is formed in the side wall of the middle part of the water film dedusting tower, and the second water inlet pipe is inserted into the water inlet in the middle part of the water film dedusting tower;
the first end of the second water inlet pipe is vertical to the inner wall of the water film dust removal tower and extends towards the inside of the tower, a centrifugal mounting seat is arranged on the first end of the second water inlet pipe, and a centrifugal spray head is mounted on the centrifugal mounting seat;
the second end of the second water inlet pipe is communicated with a fourth sedimentation tank pipeline.
Preferably, the method comprises the following steps: the support frames are obliquely arranged on the first end of the second water inlet pipe in pairs; the first end of the supporting frame is connected with the side wall of the second water inlet pipe;
the second end of support frame is connected with the water film dusting tower inside wall.
Preferably, the method comprises the following steps: the clear liquid pool is communicated with a fourth sedimentation tank through a pipeline; the clear liquid pool is communicated with a second water inlet pipe, and a circulating water pump is arranged on a pipeline communicated with the second water inlet pipe.
Preferably, the slag pump includes: the liquid inlet of the first filter residue pump is communicated with the liquid outlet pipeline of the first sedimentation tank;
the second filter residue pump is communicated with a liquid outlet pipeline of the first sedimentation tank;
the first filter residue pump is communicated with a liquid inlet pipeline of the curved screen;
the second filter residue pump is communicated with a liquid inlet pipeline of the curved screen.
Preferably, the curved screen comprises: the first slag pump is respectively communicated with liquid inlet pipelines of the first curved sieve and the second curved sieve;
the second slag filtering pump is respectively communicated with a liquid inlet pipeline of the third curved sieve and a liquid inlet pipeline of the fourth curved sieve.
Preferably, the curved screen comprises: the top surface of the screen is connected with the top surface of the machine shell, and the bottom surface of the screen is connected with the bottom surface of the machine shell;
the screen is arranged in the shell along the longitudinal direction of the shell, and divides the inner cavity of the shell into a first cavity and a second cavity along the longitudinal direction;
the liquid inlet is arranged on the side wall of the shell and communicated with the first cavity; the slag discharge port is arranged on the bottom surface of the machine shell and communicated with the first cavity; the clear liquid calandria is arranged on the bottom surface of the machine shell and communicated with the second chamber.
The beneficial effects that this application can produce include:
1) the utility model provides a boiler dedusting water filtration cycle retrieval and utilization device sets up four at least sedimentation tanks through pipeline intercommunication on water film deduster outlet to set up filter residue pump and bent sieve between first sedimentation tank and second sedimentation tank, carry out solid-liquid separation to the lime-ash that is difficult to the sediment after stewing, obtain the clear water for the circulation that can directly retrieval and utilization to water film deduster, reduce the water consumption in the production process, reduction in production cost improves the treatment effeciency to boiler dusty gas. The device is mainly used in the process production process of squeezing white granulated sugar from sugarcane.
2) The utility model provides a boiler dust removal water filtration cycle retrieval and utilization device adds centrifugal nozzle through the middle part at water film deduster, effectively strengthens the dust remover middle part water film of tower body overlength, effectively strengthens the effective absorption of dust in the dust content higher gas that the dust remover got into from the bottom, alleviates upper segment dust removal difficulty, improves this dust remover and handles back gas-solid separation effect.
Drawings
FIG. 1 is a schematic view of a boiler dedusting water filtering and recycling device provided by the present application;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
illustration of the drawings:
10. a water film dedusting tower; 11. an exhaust port; 14. an air inlet pipe; 15. a water drainage interface; 121. a first water inlet pipe; 124. a pressure mounting seat; 125. pressurizing the spray pipe; 122. a second water inlet pipe; 133. a support frame; 131. a centrifugal mounting seat; 132. a centrifugal spray head; 31. a first sedimentation tank; 21. a first slag pump; 22. a second slag pump; 231. a first curved screen; 232. a second curved screen; 233. a third curved sieve; 234. a fourth curved sieve; 241. a slag discharge port; 242. clear liquid calandria; 32. a second sedimentation tank; 33. a third sedimentation tank; 34. and a fourth sedimentation tank.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
Referring to fig. 1-2, the application provides a boiler dedusting water filtering, circulating and recycling device, includes: the device comprises a water film dedusting tower 10, an exhaust port 11, a drainage interface 15, an air inlet pipe 14, a first sedimentation tank 31, a second sedimentation tank 32, a third sedimentation tank 33, a fourth sedimentation tank 34 and a filter residue assembly, wherein the air inlet pipe 14 is arranged on a first side wall at the bottom of the water film dedusting tower 10, the drainage interface 15 is arranged on a second side wall at the bottom of the water film dedusting tower 10, and the exhaust port 11 is arranged at the top of the water film dedusting tower 10;
the drainage interface 15 is communicated with a first sedimentation tank 31 through a pipeline; a liquid outlet of the first sedimentation tank 31 is communicated with a filter residue assembly pipeline; the filter residue assembly is communicated with a liquid inlet pipeline of the second sedimentation tank 32; the second sedimentation tank 32 is communicated with a third sedimentation tank 33 through a pipeline; the third sedimentation tank 33 is communicated with the fourth sedimentation tank 34 through a pipeline; a first water inlet pipe 121 is arranged on the side wall of the upper part of the water film dedusting tower 10, and a liquid outlet of the fourth sedimentation tank 34 is communicated with the first water inlet pipe 121 on the water film dedusting tower 10 through a pipeline;
the filter residue assembly comprises a filter residue pump and a curved sieve which are communicated through a pipeline in sequence.
The device adopts the water film deduster to handle the dirty gas that the boiler produced, and dirty gas passes through intake pipe 14 and gets into in the tower body. After treatment, the ash water is discharged through a water discharge connector 15 on the side wall of the bottom of the tower body, firstly enters a No. 1 sedimentation tank, then the ash water on the upper part of the first sedimentation tank 31 is pumped into a curved sieve for filtration through a newly-added filter residue pump, and the filtered clear liquid returns to the second sedimentation tank 34 to be kept stand and deposited and then is sent to a water film dust remover for dust removal. The cyclic utilization of water resources is realized, and the dust content is reduced after the treatment, so that the dust suction requirement can be met.
After the transformation, 80% of ash in the dedusting water can be filtered, the filtered clear liquid is discharged into the sedimentation tanks 2#, 3# and 4# for multistage sedimentation, and finally the ash concentration in the clear liquid entering the tower body is reduced by 60%, so that the ash capacity of circulating water is effectively improved, and the dedusting efficiency of a dedusting system is improved.
Preferably, the method comprises the following steps: the pressurization installation seat 124 and the pressurization spray pipe 125 are arranged, and the pressurization installation seat 124 is arranged at a water inlet which is tangentially arranged on the side wall of the first water inlet pipe 121 and the water film dust removal tower 10; the first end of the pressurized nozzle 125 is communicated with the pressurized mounting seat 124, and the second end of the pressurized nozzle 125 extends into the water film dust removing tower 10 along the tangential direction of the inner wall of the water film dust removing tower 10. After high-pressure water is sprayed into the tower body according to the arrangement, the water column enters along the tangential direction of the inner wall and then forms a dust-removing water film on the inner wall, so that dust entering gas is effectively adsorbed, and the dust removing effect is achieved.
Preferably, the method comprises the following steps: the clear liquid pool is communicated with a pipeline of the fourth sedimentation tank 34; the clear liquid pond is communicated with the pipeline of the first water inlet pipe 121, and a circulating water pump is arranged on the pipeline of the clear liquid pond communicated with the first water inlet pipe 121. Clear liquid after the separation can effectively be collected through setting up the clear liquid pond to after saving the clear liquid according to production needs, remove dust in pumping into the tower through dust removal circulating water pump.
Preferably, the method comprises the following steps: the water inlet device comprises a second water inlet pipe 122, a centrifugal mounting seat 131 and a centrifugal nozzle 132, wherein a water inlet is formed in the side wall of the middle part of the water film dedusting tower 10, and the second water inlet pipe 122 is inserted into the water inlet in the middle part of the water film dedusting tower 10; a first end of the second water inlet pipe 122 is vertical to the inner wall of the water film dust removal tower 10 and extends inwards, a centrifugal mounting seat 131 is arranged at the first end of the second water inlet pipe 122, and a centrifugal nozzle 132 is mounted on the centrifugal mounting seat 131; the second end of the second inlet pipe 122 is in pipe communication with the fourth sedimentation tank 34.
The centrifugal nozzle 132 is additionally arranged in the middle of the water film dust removing tower 10, so that water can be sprayed on the inner wall of the tower body to form a water film under the action of gravity under the action of centrifugal force. Effectively increase the water film thickness on the inner wall of tower body middle part, effectively compensate because the tower body is too high to lead to the regional water film thickness of lower part to reduce in the tower body inner wall, the unable high dirty gas's of effective absorption problem. Effectively improving the treatment capacity of the dust-containing gas.
Preferably, the method comprises the following steps: the support frames 133 are obliquely arranged on the first end of the second water inlet pipe 122 in pairs; a first end of the supporting frame 133 is connected to a side wall of the second inlet pipe 122; the second end of the supporting frame 133 is connected to the inner sidewall of the water film dust removing tower 10. Support bracket 133 is disposed at an acute angle to second inlet pipe 122.
The arrangement can facilitate the control of the depth of the second water inlet pipe 122 into the tower body, and improve the operational reliability of the centrifugal nozzle 132.
Preferably, the method comprises the following steps: the clear liquid pool is communicated with a pipeline of the fourth sedimentation tank 34; the clear liquid pool is communicated with the second water inlet pipe 122 through a pipeline, and a circulating water pump is arranged on the pipeline through which the clear liquid pool is communicated with the second water inlet pipe 122. Clear liquid after the separation can effectively be collected through setting up the clear liquid pond to after saving the clear liquid according to production needs, remove dust in pumping into the tower through dust removal circulating water pump.
Preferably, the residue filtering assembly comprises: the device comprises a plurality of filter residue pumps and curved sieves communicated with pipelines of the filter residue pumps;
preferably, the slag pump includes: a first filter residue pump 21 and a second filter residue pump 22, wherein a liquid inlet of the first filter residue pump 21 is communicated with a liquid outlet pipeline of the first sedimentation tank 31; the second filter residue pump 22 is communicated with a liquid outlet pipeline of the first sedimentation tank 31; the first filter residue pump 21 is communicated with a liquid inlet pipeline of the curved screen; the second filter residue pump 22 is communicated with a liquid inlet pipeline of the curved screen. The efficiency of processing the clear liquid in the first sedimentation tank 31 can be improved by arranging the filter residue pumps in pairs.
Preferably, the curved screen comprises: the first curved screen 231, the second curved screen 232, the third curved screen 233 and the fourth curved screen 234 are respectively communicated with liquid inlet pipelines of the first curved screen 231 and the second curved screen 232 through the first filter residue pump 21; the second slag pump 22 is respectively communicated with liquid inlet pipelines of a third curved sieve 233 and a fourth curved sieve 234. Through with first filter residue pump 21 respectively in the bent sieve pipeline intercommunication that sets up in pairs, can improve bent sieve and to the filtering efficiency of clear liquid, improve production water reuse handling capacity when busy season.
Preferably, the curved screen comprises: the device comprises a machine shell, a screen, a slag discharge port 241 and a clear liquid discharge pipe 242, wherein the top surface of the screen is connected with the top surface of the machine shell, and the bottom surface of the screen is connected with the bottom surface of the machine shell; the screen is arranged in the shell along the longitudinal direction of the shell, and divides the inner cavity of the shell into a first cavity and a second cavity along the longitudinal direction; the liquid inlet is arranged on the side wall of the shell and communicated with the first cavity; the slag discharge port 241 is arranged on the bottom surface of the machine shell and communicated with the first cavity; the clear liquid discharging pipe 242 is disposed on the bottom surface of the cabinet and communicates with the second chamber.
According to the arrangement, the speed of the liquid passing through the screen can be increased under the pressurizing action of the filter residue pump, and the clear liquid passing through the screen is discharged through the clear liquid discharge pipe 242; the oversize is discharged through a slag discharge 241 in the lower part of the first chamber. Thereby realizing the separation of slag and liquid.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the disclosure to effect such feature, structure, or characteristic in connection with other embodiments.
Although the present application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a boiler dust removal water filtration circulation retrieval and utilization device which characterized in that includes: the device comprises a water film dedusting tower (10), an exhaust port (11), a drainage interface (15), an air inlet pipe (14), a first sedimentation tank (31), a second sedimentation tank (32), a third sedimentation tank (33), a fourth sedimentation tank (34) and a filter residue assembly, wherein the air inlet pipe (14) is arranged on a first side wall at the bottom of the water film dedusting tower (10), the drainage interface (15) is arranged on a second side wall at the bottom of the water film dedusting tower (10), and the exhaust port (11) is arranged at the top of the water film dedusting tower (10);
the drainage connector (15) is communicated with a pipeline of the first sedimentation tank (31); a liquid outlet of the first sedimentation tank (31) is communicated with a filter residue assembly pipeline; the filter residue assembly is communicated with a liquid inlet pipeline of the second sedimentation tank (32); the second sedimentation tank (32) is communicated with the third sedimentation tank (33) through a pipeline; the third sedimentation tank (33) is communicated with the fourth sedimentation tank (34) through a pipeline; a first water inlet pipe (121) is arranged on the side wall of the upper part of the water film dedusting tower (10), and a liquid outlet of the fourth sedimentation tank (34) is communicated with a pipeline of the first water inlet pipe (121) on the water film dedusting tower (10);
the filter residue subassembly includes: a filter residue pump and a curved sieve which are communicated by a pipeline in sequence.
2. The boiler dedusting water filtering and recycling device according to claim 1, comprising: the water film dust removal tower comprises a pressurizing mounting seat (124) and a pressurizing spray pipe (125), wherein the pressurizing mounting seat (124) is arranged at a water inlet which is formed in the side wall of the first water inlet pipe (121) and the side wall of the water film dust removal tower (10) in a tangential manner;
the first end of the pressurizing spray pipe (125) is communicated with the pressurizing mounting seat (124), and the second end of the pressurizing spray pipe (125) is arranged in the water film dedusting tower (10) along the tangential direction of the inner wall of the water film dedusting tower (10).
3. The boiler dedusting water filtering and recycling device according to claim 1, comprising: the clear liquid pool is communicated with a fourth sedimentation pool (34) through a pipeline; the clear liquid pond is communicated with a first water inlet pipe (121) through a pipeline, and a circulating water pump is arranged on the pipeline through which the clear liquid pond is communicated with the first water inlet pipe (121).
4. The boiler dedusting water filtering and recycling device according to claim 1, comprising: the water-saving centrifugal water-spraying device comprises a second water inlet pipe (122), a centrifugal mounting seat (131) and a centrifugal spray head (132), wherein a water inlet is formed in the side wall of the middle part of the water film dedusting tower (10), and the second water inlet pipe (122) is inserted into the water inlet in the middle part of the water film dedusting tower (10);
the first end of the second water inlet pipe (122) is vertical to the inner wall of the water film dust removal tower (10) and extends inwards, a centrifugal mounting seat (131) is arranged at the first end of the second water inlet pipe (122), and a centrifugal spray head (132) is mounted on the centrifugal mounting seat (131);
and the second end of the second water inlet pipe (122) is communicated with a fourth sedimentation tank (34) through a pipeline.
5. The boiler dedusting water filtering and recycling device according to claim 4, which comprises: the support frames (133) are obliquely arranged on the first end of the second water inlet pipe (122) in pairs; the first end of the support frame (133) is connected with the side wall of the second water inlet pipe (122);
the second end of the support frame (133) is connected with the inner side wall of the water film dust removal tower (10).
6. The boiler dedusting water filtering and recycling device according to claim 4, which comprises: the clear liquid pool is communicated with a fourth sedimentation pool (34) through a pipeline; the clear liquid pond is communicated with a second water inlet pipe (122) through a pipeline, and a circulating water pump is arranged on the pipeline through which the clear liquid pond is communicated with the second water inlet pipe (122).
7. The boiler dedusting water filtering and recycling apparatus as set forth in claim 1, wherein the slag pump comprises: a first filter residue pump (21) and a second filter residue pump (22), wherein a liquid inlet of the first filter residue pump (21) is communicated with a liquid outlet pipeline of the first sedimentation tank (31);
the second filter residue pump (22) is communicated with a liquid outlet pipeline of the first sedimentation tank (31);
the first filter residue pump (21) is communicated with a liquid inlet pipeline of the curved screen;
and the second filter residue pump (22) is communicated with a liquid inlet pipeline of the curved screen.
8. The boiler dust removal water filtration cycle reuse device of claim 7, wherein said curved screen comprises: the first curved sieve (231), the second curved sieve (232), the third curved sieve (233) and the fourth curved sieve (234), wherein the first slag pump (21) is respectively communicated with liquid inlet pipelines of the first curved sieve (231) and the second curved sieve (232);
the second slag filtering pump (22) is respectively communicated with liquid inlet pipelines of the third curved sieve (233) and the fourth curved sieve (234).
9. The boiler dedusting water filtering and recycling device of claim 1, wherein the curved screen comprises: the device comprises a machine shell, a screen, a slag discharge port (241) and a clear liquid discharge pipe (242), wherein the top surface of the screen is connected with the top surface of the machine shell, and the bottom surface of the screen is connected with the bottom surface of the machine shell;
the screen is arranged in the shell along the longitudinal direction of the shell, and divides the inner cavity of the shell into a first cavity and a second cavity along the longitudinal direction;
the liquid inlet is arranged on the side wall of the shell and communicated with the first cavity; the slag discharge port (241) is arranged on the bottom surface of the machine shell and communicated with the first cavity; the clear liquid discharging pipe (242) is arranged on the bottom surface of the machine shell and communicated with the second chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120060997.5U CN214287099U (en) | 2021-01-11 | 2021-01-11 | Filtering, circulating and recycling device for boiler dedusting water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120060997.5U CN214287099U (en) | 2021-01-11 | 2021-01-11 | Filtering, circulating and recycling device for boiler dedusting water |
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| Publication Number | Publication Date |
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| CN214287099U true CN214287099U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120060997.5U Active CN214287099U (en) | 2021-01-11 | 2021-01-11 | Filtering, circulating and recycling device for boiler dedusting water |
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| CN (1) | CN214287099U (en) |
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2021
- 2021-01-11 CN CN202120060997.5U patent/CN214287099U/en active Active
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