CN210462973U - Boiler blow-off flash evaporation recovery equipment - Google Patents
Boiler blow-off flash evaporation recovery equipment Download PDFInfo
- Publication number
- CN210462973U CN210462973U CN201921140537.2U CN201921140537U CN210462973U CN 210462973 U CN210462973 U CN 210462973U CN 201921140537 U CN201921140537 U CN 201921140537U CN 210462973 U CN210462973 U CN 210462973U
- Authority
- CN
- China
- Prior art keywords
- flash
- steam
- water
- heat exchanger
- water heat
- 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
Abstract
The utility model discloses a boiler blowdown flash recovery unit, which comprises a flash tank, wherein the upper end of the flash tank is connected with a steam-water heat exchanger, the lower end of the flash tank is connected with a water-water heat exchanger, the upper end of the steam-water heat exchanger is provided with a steam discharge port, and one side of the steam-water heat exchanger is provided with a first water inlet and a first water outlet; the utility model discloses can effectively retrieve the flash distillation vapour heat volume in the boiler blowdown process and reduce its final emission temperature, reach energy recycle and beautify the purpose of environment.
Description
Technical Field
The utility model relates to an energy-conserving technical field specifically is boiler blowdown flash distillation recovery plant.
Background
At present, in the use process of a steam boiler, sewage in the boiler needs to be discharged out of the boiler in time, and the discharged sewage is high-temperature liquid and is directly discharged into air to generate a large amount of steam, namely flash evaporation (after the high-pressure saturated liquid enters a relatively low-pressure container, the high-pressure saturated liquid is changed into a part of saturated steam and saturated liquid under the container pressure due to sudden pressure reduction in the flash evaporation). In the traditional process, the part of flash steam is directly discharged into the atmosphere, so that energy waste is caused and the environment is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boiler blowdown flash distillation recovery plant can effectively retrieve the flash distillation vapour heat among the boiler blowdown process and reduce its final discharge temperature, reaches energy recycle and beautifies the purpose of environment.
In order to achieve the above object, the utility model provides a following technical scheme: the boiler blowdown flash recovery equipment comprises a flash tank, wherein the upper end of the flash tank is connected with a steam-water heat exchanger, the lower end of the flash tank is connected with a water-water heat exchanger, the upper end of the steam-water heat exchanger is provided with a steam discharge port, and one side of the steam-water heat exchanger is provided with a first water inlet and a first water outlet; one side of the water-water heat exchanger is provided with a sewage discharge inlet and a sewage discharge outlet, and the other side of the water-water heat exchanger is provided with a second water inlet and a second water outlet.
Preferably, one side of the flash tank is provided with a high-temperature sewage inlet, one side above the flash tank is provided with a pressure valve, and the other side of the flash tank is provided with a steam control valve.
Preferably, a flash steam discharge port is arranged at the upper end of the flash tank, a flash steam inlet is arranged at the lower end of the steam-water heat exchanger, and the flash steam discharge port is communicated with the flash steam inlet.
Preferably, the lower end of the flash tank is provided with a flash sewage discharge port, and the sewage discharge inlet is connected with the flash sewage discharge port.
Preferably, a flowmeter is arranged outside the high-temperature sewage inlet.
Preferably, a temperature sensor is arranged at the upper end of the steam discharge outlet.
Preferably, the second water outlet is communicated with the first water inlet.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses can effectively retrieve the flash distillation vapour heat among the boiler blowdown process and reduce its final discharge temperature, reach energy recycle and beautify the purpose of environment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic overall structure diagram of another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the boiler blowdown flash recovery device comprises a flash tank 1, wherein the upper end of the flash tank 1 is connected with a steam-water heat exchanger 5, the lower end of the flash tank 1 is connected with a water-water heat exchanger 10, the upper end of the steam-water heat exchanger 5 is provided with a steam discharge port 7, and one side of the steam-water heat exchanger is provided with a first water inlet 8 and a first water outlet 9; the water-water heat exchanger 10 is provided with a sewage discharge inlet 11 and a sewage discharge outlet 12 at one side and a second water inlet 14 and a second water outlet 13 at the other side. The utility model discloses a theory of operation does: the flash steam in the flash tank 1 exchanges heat with steam through the steam-water heat exchanger 5 and exchanges heat with sewage through the water-water heat exchanger 10, specifically, high-temperature sewage passes through the water-water heat exchanger 10 through the sewage discharge inlet 11 and is discharged to the outside from the sewage outlet after being cooled by cold water at the second water inlet 14, and the cold water is heated by the high-temperature sewage and then is discharged from the second water outlet 13, so that the first-stage energy recovery is realized; the steam-water heat exchanger 5 is connected with flash steam discharged by the flash tank, after being cooled by cold water, the low-temperature flash steam is discharged into the atmosphere through the vent, the condensed flash steam is changed into water drops and returns to the flash tank again under the action of gravity, and the cold water is heated through the first water inlet 8 and then is discharged from the first water outlet 9, so that the second-stage energy recovery is realized, therefore, the utility model discloses the heat of the flash steam in the boiler blow-off process can be effectively recovered, the final discharge temperature is reduced, the heat in the boiler blow-off can be effectively recovered, and the energy consumption is reduced; can effectively reduce flash steam generated by boiler pollution discharge, thereby achieving the purposes of energy recycling and environment beautification.
The utility model discloses in, 1 one side of flash tank is provided with high temperature sewage import 2, and top one side is provided with a pressure valve 15, and the opposite side is provided with a steam control valve 16, can detect the pressure in the flash tank 1.
The utility model discloses in, the flash tank upper end is provided with flash steam discharge port 4, and 5 lower extremes of vapor-water heat exchanger are provided with flash steam entry 6, and flash steam discharge port 4 communicates with each other with flash steam entry 6, and wherein the flash steam condensation back is by the action of gravity through vapor-water heat exchanger's flash steam entry 6 directly fall into flash tank 1, discharges through sewage discharge outlet 12 at last.
The utility model discloses in, 1 lower extreme of flash tank is provided with flash distillation sewage discharge port 3, and sewage discharge import 11 links to each other with flash distillation sewage discharge port 3.
The utility model discloses in, the high temperature sewage import outside is provided with a flowmeter 17 for monitor the flow of high temperature sewage.
The utility model discloses in, steam discharge port upper end is provided with temperature sensor 18 for the temperature to discharging steam monitors.
The utility model discloses in, it is shown with reference to fig. 2, second delivery port 13 is linked together with first water inlet 8, and concrete theory of operation is: flash steam in flash tank 1, carry out the heat transfer to steam through steam-water heat exchanger 5, and carry out the heat transfer to sewage through water-water heat exchanger 10, specifically after steam passes through 5 heat exchanges of steam-water heat exchanger, reduce its final discharge temperature, and after the intaking of second water inlet 14 carried out the heat transfer to sewage through water-water heat exchanger 10, the temperature risees, then carry out the heat transfer to steam through steam-water heat exchanger 5 again, the further rising of temperature, the energy has obtained further recovery, realize energy recuperation, thereby can reach recycle's effective temperature, for example: the temperature requirement of bathing or the requirement of the circulating water that heaies up to the raw materials, consequently the utility model discloses can effectively retrieve the flash distillation vapour heat and reduce its final discharge temperature among the boiler blowdown to energy recycle and the purpose of beautifying the environment have been reached.
The utility model discloses in, flash tank, vapor-water heat exchanger and water-water heat exchanger all can be based on the temperature, pressure and the flow of blowdown and check out again and adjust quantity to equipment, specific theory of operation the utility model discloses in just not tired out again and state, for example: the data through monitoring the flowmeter can control the flow of the high-temperature sewage, and the temperature data of the discharged steam through monitoring the thermometer controls the flow of the high-temperature sewage, thereby can realize better energy recovery, that is to say, the high-temperature sewage inlet can be adjusted according to pressure, temperature and flow, the cold water volume can also be adjusted according to the sewage volume, thereby can reach better heat recovery effect, in the utility model relates to a flash tank 1 can be the flash tank for the model that the Spa shake engineering (China) Limited produces, the brand Spa shake, or the flash tank 1 of other types, do not do special restriction in the utility model discloses; the steam-water heat exchanger 5 related in the utility model can be a steam-water heat exchanger, a remote tall and erect brand, or other types of steam-water heat exchangers 5 produced by the remote tall and erect equipment manufacturing limited of Jiangsu, and is not particularly limited in the utility model; the utility model discloses in the water heat exchanger 10 that relates to can be for the model that Afaha fell (jiangyin) equipment manufacturing limited company produced for water heat exchanger, brand Afaha fell, or the water heat exchanger 10 of other types the utility model discloses in do not do special injecing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Boiler blowdown flash distillation recovery plant, its characterized in that: the system comprises a flash tank, wherein the upper end of the flash tank is connected with a steam-water heat exchanger, the lower end of the flash tank is connected with a water-water heat exchanger, the upper end of the steam-water heat exchanger is provided with a steam discharge port, and one side of the steam-water heat exchanger is provided with a first water inlet and a first water outlet; one side of the water-water heat exchanger is provided with a sewage discharge inlet and a sewage discharge outlet, and the other side of the water-water heat exchanger is provided with a second water inlet and a second water outlet, wherein the second water outlet is communicated with the first water inlet.
2. The boiler blowdown flash recovery apparatus of claim 1, wherein: one side of the flash tank is provided with a high-temperature sewage inlet, one side above the flash tank is provided with a pressure valve, and the other side of the flash tank is provided with a steam control valve.
3. The boiler blowdown flash recovery apparatus of claim 2, wherein: the upper end of the flash tank is provided with a flash steam discharge port, the lower end of the steam-water heat exchanger is provided with a flash steam inlet, and the flash steam discharge port is communicated with the flash steam inlet.
4. The boiler blowdown flash recovery apparatus of claim 3, wherein: the lower end of the flash tank is provided with a flash sewage discharge port, and the sewage discharge inlet is connected with the flash sewage discharge port.
5. The boiler blowdown flash recovery apparatus of claim 4, wherein: and a flowmeter is arranged outside the high-temperature sewage inlet.
6. The boiler blowdown flash recovery apparatus of claim 5, wherein: and a temperature sensor is arranged at the upper end of the steam discharge port.
7. The boiler blowdown flash recovery apparatus of claim 6, wherein: the second water outlet is communicated with the first water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140537.2U CN210462973U (en) | 2019-07-19 | 2019-07-19 | Boiler blow-off flash evaporation recovery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140537.2U CN210462973U (en) | 2019-07-19 | 2019-07-19 | Boiler blow-off flash evaporation recovery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210462973U true CN210462973U (en) | 2020-05-05 |
Family
ID=70446428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921140537.2U Active CN210462973U (en) | 2019-07-19 | 2019-07-19 | Boiler blow-off flash evaporation recovery equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210462973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720812A (en) * | 2020-05-13 | 2020-09-29 | 辽宁科技大学 | Boiler blow-down water is used for staff bathing system |
-
2019
- 2019-07-19 CN CN201921140537.2U patent/CN210462973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720812A (en) * | 2020-05-13 | 2020-09-29 | 辽宁科技大学 | Boiler blow-down water is used for staff bathing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203375751U (en) | Device allowing solar energy centralized heating engineering scale to be adjusted | |
| CN207279602U (en) | A kind of closed type condensate water recovery device | |
| CN210462973U (en) | Boiler blow-off flash evaporation recovery equipment | |
| CN104457317A (en) | Stand-pipe indirect-direct two-stage evaporative cooling tower | |
| CN106196147A (en) | A kind of exhaust steam residual heat that reclaims improves the thermal efficiency and the system of unit on-load ability | |
| CN207006117U (en) | A kind of boiler condensed water recovering device | |
| CN104132541A (en) | Smoke afterheat recovery and gradient utilization system | |
| CN104118960B (en) | A kind of sea water desalinating plant of warm air Multi-stage heating | |
| CN206387141U (en) | A kind of combined twin-stage steam heat pump system | |
| CN202900806U (en) | Super-high temperature condensate water closed recovery device | |
| CN206347553U (en) | A kind of boiler blow-off heat reclaim unit | |
| CN204485341U (en) | Full heat and latent heat recovery type multiple-effect vacuum evaporation concentration device | |
| CN207796985U (en) | A kind of Intelligent heat-accumulating device | |
| CN203024137U (en) | Vacuum exhaust heating device | |
| CN208419663U (en) | A kind of device for recycling condensed water | |
| CN206695097U (en) | A kind of steam condensate (SC) cyclic utilization system | |
| CN106439766A (en) | Steam production device and direct compression type heat pump system | |
| CN207507035U (en) | A kind of recovery system of steam condensate (SC) | |
| CN204963620U (en) | Cyclic utilization system of grease processing steam condensate water | |
| CN206113688U (en) | Dead steam recycling device | |
| CN104988257B (en) | Blast furnace slag washing water waste heat recovery system | |
| CN217716070U (en) | Flash evaporation gas heat exchange device and system | |
| CN204082226U (en) | Turbine generating system | |
| CN213453598U (en) | Steam condensate recovery device | |
| CN201513878U (en) | Thermal deaerator waste steam recycling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |