CN215294875U - Boiler periodic sewage cooling and recovering device - Google Patents
Boiler periodic sewage cooling and recovering device Download PDFInfo
- Publication number
- CN215294875U CN215294875U CN202121225863.0U CN202121225863U CN215294875U CN 215294875 U CN215294875 U CN 215294875U CN 202121225863 U CN202121225863 U CN 202121225863U CN 215294875 U CN215294875 U CN 215294875U
- Authority
- CN
- China
- Prior art keywords
- sewage
- cooling
- boiler
- periodic
- spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model provides a boiler periodic sewage cooling and recycling device, which comprises a periodic sewage flash tank, a sewage mixer and a sewage pool; a first spray is arranged at the upper part in the periodical blowdown flash tank, a second spray is arranged at the lower part in the periodical blowdown flash tank, and a boiler blowdown water inlet is arranged on the side wall of the periodical blowdown flash tank; the third spray is arranged in the sewage mixer, a cooling water inlet is formed in one end of the sewage mixer, a cooling water outlet is formed in the other end of the sewage mixer, the cooling water inlet is connected with the water outlet end of the cooling water drainage pipe, and the cooling water outlet is communicated with the sewage pool through a pipeline. Utilize the utility model discloses can solve prior art, the direct evacuation of steam that periodic blowdown flash tank produced causes steam loss and periodic blowdown flash tank blowdown water to need set up great cooling pond, and area is big, and the high scheduling problem of cost.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically, relates to a boiler periodic sewage cooling recovery unit.
Background
When the boiler operates, boiler water is evaporated and concentrated, and the boiler water with more salt and water slag needs to be discharged out of the boiler, which is called boiler pollution discharge. The boiler blow-off aims at discharging boiler water with high salt concentration and corrosive substances and precipitates in the boiler water to keep the salt content of the boiler water within a specified range so as to reduce the expansion of the boiler water and the occurrence of a foam layer, thereby reducing the steam humidity and the salt content and ensuring good steam quality. The conventional boiler continuously and periodically discharges boiler water. Sewage is discharged into a periodic sewage flash tank for flash expansion and temperature reduction, and low-pressure saturated steam is generated and directly discharged; the low-temperature sewage discharged by the periodical blowdown flash tank is about 100 ℃, can not be directly discharged, and needs to be discharged after being cooled by a cooling tank, and the cooling tank occupies a large area and is high in manufacturing cost.
In summary, the existing boiler pollution discharge treatment method has the following defects:
1. steam generated by the periodical blowdown flash tank is directly exhausted, so that steam loss is caused, and the visual effect is poor;
2. the periodical blowdown flash vessel needs to arrange a large cooling tank for draining sewage, occupies a large area and is high in cost.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a boiler periodic blowdown water cooling recovery unit to solve prior art, the direct evacuation of steam that periodic blowdown flash tank produced causes steam loss and periodic blowdown flash tank blowdown water need set up great cooling pond, and area is big, and the high scheduling problem of cost.
The utility model provides a boiler periodic sewage cooling and recycling device, which comprises a periodic sewage flash tank, a sewage mixer and a sewage pool; wherein the content of the first and second substances,
a first spray is arranged at the upper part in the periodic blowdown flash tank, a second spray is arranged at the lower part in the periodic blowdown flash tank, a boiler blowdown water inlet is arranged on the side wall of the periodic blowdown flash tank, the boiler blowdown water inlet is arranged between the first spray and the second spray, and a cooling blowdown pipe is communicated with the bottom end of the periodic blowdown flash tank;
a third spray is arranged in the sewage mixer, one end of the sewage mixer is provided with a cooling water inlet, the other end of the sewage mixer is provided with a cooling water outlet, and the third spray is arranged between the cooling water inlet and the cooling water outlet; the cooling water inlet is connected with the water outlet end of the cooling water drainage pipe, and the cooling water outlet is communicated with the sewage draining pool through a pipeline.
In addition, the preferable structure is that the water inlet of the first spray, the water inlet of the second spray and the water inlet of the third spray are respectively connected with a normal-temperature blending water supply device through a first pipeline, a second pipeline and a third pipeline.
In addition, it is preferable that a first valve is provided in the first pipeline; and/or a second valve is arranged on the second pipeline; and/or a third valve is arranged on the third pipeline.
In addition, it is preferable that a steam exhaust pipe is provided at a top end of the periodic blowdown flash tank.
In addition, the preferable structure is that the boiler sewage inlet is connected with the sewage outlet of the boiler through a boiler sewage pipe; and a fourth valve is arranged on the boiler sewage discharge pipe.
In addition, the preferable structure is that the first spraying is primary spraying; and/or the second spraying is primary spraying; and/or the second spray is a primary spray.
In addition, the preferable structure is that a sewage draining pump is arranged above the sewage draining pool; and the water outlet end of the sewage pump is connected with the water replenishing port of the cooling tower.
Further, it is preferable that an emptying pipe is provided above the sewage draining tank.
According to the technical scheme, the boiler periodic sewage cooling and recycling device provided by the utility model can spray and recycle the generated steam by arranging the first spray and the second spray in the periodic sewage discharging flash tank, so that the steam counter-control emission is reduced, the recycled sewage is recycled after being cooled, the steam utilization rate is improved, and the steam loss is reduced; through the structural design of blowdown water mixer, adopt and mix the water cooling, the cooling is even and practice thrift and collude water, avoids setting up great cooling pond, practices thrift space and investment cost.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a schematic structural diagram of a boiler periodic sewage cooling and recycling device according to the embodiment of the utility model.
Wherein the reference numerals include: 1-periodic blowdown flash tank, 11-first spray, 12-second spray, 13-cooling water discharge pipe, 14-steam exhaust pipe, 2-blowdown water mixer, 21-third spray, 22-pipeline, 3-blowdown water pool, 31-blowdown water pump, 32-emptying pipe, 41-first pipeline, 42-second pipeline, 43-third pipeline, 5-normal temperature blending water supply device, 61-first valve, 62-second valve, 63-third valve, 7-boiler blowdown pipe, 8-boiler and 9-cooling tower.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
To the aforesaid provide in prior art, the direct evacuation of steam that periodic blowdown flash vessel produced causes steam loss and periodic blowdown flash vessel blowdown water to need set up great cooling pond, and area is big, and the high scheduling problem of cost, the utility model provides a boiler periodic blowdown water cooling recovery unit.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to illustrate the utility model provides a boiler periodic sewage cooling recovery device's structure, figure 1 shows according to the utility model discloses a boiler periodic sewage cooling recovery device's structure.
As shown in fig. 1, the device for cooling and recycling periodic sewage from a boiler provided by the present invention comprises a periodic sewage flash tank 1, a sewage mixer 2 and a sewage pool 3; the device comprises a periodic blowdown flash tank 1, a first spray 11, a second spray 12, a boiler blow-down water inlet, a cooling water discharge pipe 13 and a first spray-type water outlet, wherein the first spray 11 is arranged at the upper part in the periodic blowdown flash tank 1, the second spray 12 is arranged at the lower part in the periodic blowdown flash tank 1, the boiler blow-down water inlet is arranged between the first spray 11 and the second spray 12, and the bottom end of the periodic blowdown flash tank 1 is communicated with the cooling water discharge pipe 13; a third spray 21 is arranged in the sewage mixer 2, one end of the sewage mixer 2 is provided with a cooling water inlet, the other end of the sewage mixer 2 is provided with a cooling water outlet, and the third spray 21 is arranged between the cooling water inlet and the cooling water outlet; the cooling water inlet is connected with the water outlet end of the cooling water drainage pipe 13, and the cooling water outlet is communicated with the sewage draining pool 3 through a pipeline 22.
The first spray 11 and the second spray 12 are arranged in the periodic blowdown flash tank 1, so that the generated steam can be sprayed and recovered, the steam emission control is reduced, the recovered sewage is recycled after being cooled, the steam utilization rate is improved, and the steam loss is reduced; through the structural design of the sewage mixer 2, the water is mixed for cooling, the cooling is uniform, the water is saved and blended, a large cooling pool is avoided, and the space and the investment cost are saved.
As a preferred scheme of the utility model, the water inlet that the first water spray 11, the second sprayed 12 and the third sprayed 21 are connected with the normal temperature blending water supply device 5 through the first pipeline 41, the second pipeline 42 and the third pipeline 43 respectively. The normal temperature water supply is simultaneously carried out on the first spray 11, the second spray 12 and the third spray 21 through the normal temperature water mixing supply device 5, so that the steam recovery and the sewage cooling are facilitated.
As a preferred embodiment of the present invention, a first valve 61 is disposed on the first pipeline 41; and/or, a second valve 62 is provided on the second line 42; and/or a third valve 63 is provided on the third line 43. The control of the water supply in each pipeline is facilitated through the valve.
As a preferred scheme of the present invention, a steam exhaust pipe 14 is disposed at the top end of the periodic blowdown flash tank 1. For discharging the unrecovered steam.
As a preferred scheme of the utility model, a boiler sewage inlet is connected with a sewage outlet of a boiler 8 through a boiler sewage pipe 7; a fourth valve is arranged on the boiler sewage draining pipe 7. The sewage generated by the boiler 8 can be introduced into the periodical sewage discharge flash tank 1 through the boiler sewage discharge pipe 7, and the sewage discharge amount and speed can be conveniently controlled through the fourth valve.
As a preferred scheme of the utility model, the first spraying 11 is a first-level spraying; and/or the second spray 12 is a primary spray; and/or the second spray 21 is a primary spray. The stage number of spraying can be set according to actual needs, and the temperature requirement of sewage discharge can be met by one-stage spraying generally.
As a preferred scheme of the utility model, a sewage pump 31 is arranged above the sewage pool 3; the water outlet end of the sewage pump 31 is connected with the water replenishing port of the cooling tower 9. The sewage pump 31 is driven into the cooling tower 9 to be used as water supplement of the cooling tower 9, and water resources are fully utilized.
As a preferred scheme of the utility model, an emptying pipe 32 is arranged above the sewage draining pool 3. For discharging air from the wastewater tank 3.
According to the embodiment, the boiler periodic sewage cooling and recycling device provided by the utility model can spray and recycle the generated steam by arranging the first spray and the second spray in the periodic sewage discharging flash tank, so that the steam counter-control emission is reduced, the recycled sewage is recycled after being cooled, the steam utilization rate is improved, and the steam loss is reduced; through the structural design of blowdown water mixer, adopt and mix the water cooling, the cooling is even and practice thrift and collude water, avoids setting up great cooling pond, practices thrift space and investment cost.
The boiler periodic sewage cooling recovery device according to the present invention has been described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the boiler periodic blowdown water cooling and recovering device provided by the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (8)
1. A boiler periodic sewage cooling and recycling device is characterized by comprising a periodic sewage flash tank, a sewage mixer and a sewage pool; wherein the content of the first and second substances,
a first spray is arranged at the upper part in the periodic blowdown flash tank, a second spray is arranged at the lower part in the periodic blowdown flash tank, a boiler blowdown water inlet is arranged on the side wall of the periodic blowdown flash tank, the boiler blowdown water inlet is arranged between the first spray and the second spray, and a cooling blowdown pipe is communicated with the bottom end of the periodic blowdown flash tank;
a third spray is arranged in the sewage mixer, one end of the sewage mixer is provided with a cooling water inlet, the other end of the sewage mixer is provided with a cooling water outlet, and the third spray is arranged between the cooling water inlet and the cooling water outlet; the cooling water inlet is connected with the water outlet end of the cooling water drainage pipe, and the cooling water outlet is communicated with the sewage draining pool through a pipeline.
2. The boiler periodic sewage cooling and recovering device according to claim 1,
the first spray water inlet, the second spray water inlet and the third spray water inlet are respectively connected with a normal-temperature blending water supply device through a first pipeline, a second pipeline and a third pipeline.
3. The boiler periodic sewage cooling and recovering device according to claim 2,
a first valve is arranged on the first pipeline; and/or the presence of a gas in the gas,
a second valve is arranged on the second pipeline; and/or the presence of a gas in the gas,
and a third valve is arranged on the third pipeline.
4. The boiler periodic sewage cooling and recovering device according to claim 1,
and the top end of the periodical pollution discharge flash tank is provided with a steam exhaust pipe.
5. The boiler periodic sewage cooling and recovering device according to claim 1,
the boiler sewage outlet is connected with the boiler sewage outlet through a boiler sewage outlet pipe;
and a fourth valve is arranged on the boiler sewage discharge pipe.
6. The boiler periodic sewage cooling and recovering device according to claim 1,
the first spraying is primary spraying; and/or the presence of a gas in the gas,
the second spraying is primary spraying; and/or the presence of a gas in the gas,
the second spraying is primary spraying.
7. The boiler periodic sewage cooling and recovering device according to claim 1,
a sewage discharge pump is arranged above the sewage drainage pool;
and the water outlet end of the sewage pump is connected with the water replenishing port of the cooling tower.
8. The boiler periodic sewage cooling and recovering device according to claim 1,
and an emptying pipe is arranged above the sewage draining pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225863.0U CN215294875U (en) | 2021-06-02 | 2021-06-02 | Boiler periodic sewage cooling and recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225863.0U CN215294875U (en) | 2021-06-02 | 2021-06-02 | Boiler periodic sewage cooling and recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215294875U true CN215294875U (en) | 2021-12-24 |
Family
ID=79543648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121225863.0U Active CN215294875U (en) | 2021-06-02 | 2021-06-02 | Boiler periodic sewage cooling and recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215294875U (en) |
-
2021
- 2021-06-02 CN CN202121225863.0U patent/CN215294875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105084369B (en) | A kind of recycling and processing device of chlorine-containing silane waste gas | |
| CN203316002U (en) | Double-tower desulfurization system | |
| CN206229197U (en) | One kind layering component single cycle spray desulphurization system | |
| CN111664440A (en) | Boiler blow-down waste heat recycling device and method | |
| CN215294875U (en) | Boiler periodic sewage cooling and recovering device | |
| CN101474535A (en) | Rectifying desulphurization system | |
| CN201776071U (en) | Three-layer spray-type desulfurization tower | |
| CN105056714A (en) | System and method for efficiently removing sulfur oxide in ship waste gas | |
| CN105311928A (en) | Packed tower and Venturi all-in-one washing system and washing method thereof | |
| CN115385412A (en) | Waste water evaporation system and method utilizing flue gas waste heat | |
| CN206494730U (en) | A kind of magnesium sulfite is oxidized to magnesium sulfate process system | |
| CN101450279B (en) | Bubble tower as desulfurizer and use thereof | |
| CN105879605B (en) | A kind of method of electrolytic aluminium pre-roasting anode calcining flue gas desulfurization | |
| CN212390343U (en) | Boiler blowdown waste heat recovery recycles device | |
| CN201394416Y (en) | Absorbing tower realizing desulfurization by using wet flue gas method | |
| CN213132603U (en) | Single-tower double-circulation desulfurizing tower | |
| CN211367033U (en) | On-line salt-removing sewage stripping device | |
| CN208553645U (en) | Emission-control equipment in copper sulphate production process | |
| CN209500901U (en) | Cement kiln CCS system production waste water reuse equipment | |
| CN106621719A (en) | Fluorine-containing sintering/pellet flue gas treatment method and system | |
| US3089757A (en) | Gas scrubbing apparatus | |
| CN201050795Y (en) | Separated type flue gas desulfurizing and absorption tower | |
| CN205007844U (en) | Two circular flue desulfurization system of single tower | |
| CN213950654U (en) | Ammonia removal device for condensate desorption | |
| CN220034276U (en) | Descaling and separating device for circulating cooling water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220824 Address after: 100176, No. 1, Kangding street, Daxing District economic and Technological Development Zone, Beijing, B2 Patentee after: CHINA HUAYE GROUP Co.,Ltd. Patentee after: TIANJIN HUAYE ENGINEERING DESIGN Co.,Ltd. Address before: 100085 block B2, 1 Kangding street, economic and Technological Development Zone, Daxing District, Beijing Patentee before: CHINA HUAYE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |