CN208883648U - A kind of circulating-water in thermal power plant processing system - Google Patents
A kind of circulating-water in thermal power plant processing system Download PDFInfo
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- CN208883648U CN208883648U CN201821288296.1U CN201821288296U CN208883648U CN 208883648 U CN208883648 U CN 208883648U CN 201821288296 U CN201821288296 U CN 201821288296U CN 208883648 U CN208883648 U CN 208883648U
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Abstract
The utility model discloses a kind of circulating-water in thermal power plant processing systems, water outlet including cooling tower, condenser, collecting-tank, scratch pool and water treatment facilities, the cooling tower is connected with the water inlet of the condenser, the water outlet of the condenser is connected with the water inlet of the collecting-tank, the water outlet of the collecting-tank is connected with the water inlet of the cooling tower, and the cooling tower, the condenser and the collecting-tank being sequentially communicated form first circulation circuit；The water treatment facilities includes the antiscaling device and salt-containing waste water treating device for preventing fouling.Compared with prior art, by the setting of device each in circular water treating system, it can be effectively prevented from fouling in system, to prevent fouling in the equipment of system, so that relevant device is corroded, and can effectively utilize the energy, avoid energy waste.
Description
Technical field
The utility model relates to circular water treating systems, more specifically to a kind of circulating-water in thermal power plant processing system.
Background technique
In steam power plant, many equipment need to use water as cooling medium.Current circulating water supply process are as follows: industry water by
By heat exchange equipment after water circulating pump pressurization, indirect heat exchange is realized；That is, the water after temperature increases passes through the radiators such as cooling tower
Unit fixed on water pump suction forebay is returned to after water temperature is reduced, and is recycled after being pressurizeed by water circulating pump.Circulating water long-term running in this way
System, makes poor water quality due to poor water quality after cooling or water circulation use after cooling, system for content easily has sediment
With the attachments such as fouling, heat exchange equipment and other equipment in system are easy to generate etching problem because of factors such as foulings.
Utility model content
The purpose of the utility model is to provide a kind of circulating-water in thermal power plant processing systems, can be effectively prevented from sediment
It is attached in each equipment of system with dirt, each equipment in anti-locking system is corroded.
In order to achieve the above objectives, the solution of the utility model is:
A kind of circulating-water in thermal power plant processing system, including cooling tower, condenser, collecting-tank, scratch pool and water treatment facilities,
The water outlet of the cooling tower is connected with the water inlet of the condenser, the water outlet of the condenser and the collecting-tank
Water inlet is connected, and the water outlet of the collecting-tank is connected with the water inlet of the cooling tower, the cooling being sequentially communicated
Tower, the condenser and the collecting-tank form first circulation circuit；
The water treatment facilities includes double medium filters, single medium filter, fine filter, absorbing well, absorption well, antiscaling device
And salt-containing waste water treating device, it double medium filters, the absorbing well, absorption well, the fine filter, the scratch pool and catchments
Pond is sequentially communicated together, and the water inlet of double medium filters is connected with the water outlet of the collecting-tank, also, according to
The collecting-tank, double medium filters, absorbing well, absorption well, fine filter and the scratch pool of secondary connection form second circulation circuit；It is described
Antiscaling device includes sulfuric acid storage box and corrosion inhibiting and descaling agent storage box, the sulfuric acid storage box and the corrosion inhibiting and descaling agent storage box
Delivery port is all had, two delivery ports are respectively corresponded to be connected with the first metering pump and the second metering pump, and first meter
The outlet of amount pump and second metering pump is connected with the second circulation circuit；
The salt-containing waste water treating device includes heat pump, evaporator and pond of being exposed to the sun, the water outlet of the condenser with it is described
First water inlet of heat pump is connected, and the first water outlet of the heat pump catchments on the second circulation circuit corresponding to described
Water return pipeline between the water inlet in pond and the water outlet of the scratch pool is connected, the condenser, the heat pump and described
Third circulation loop is formed between collecting-tank；Also, the heat pump, the evaporator and the pond of being exposed to the sun are sequentially communicated, and institute
The second water inlet for stating heat pump is connected with wastewater inlet pipe, and the second water outlet of the heat pump is connected with waste water outlet pipe, described
The water outlet of single medium filter is connected with the water inlet end of the wastewater inlet pipe, the water outlet of the waste water outlet pipe and institute
The water inlet for stating evaporator is connected, and the water outlet of single medium filter is connected with the wastewater discharge pipe flowed into for recycling waste water
Road.
The outlet of first metering pump and second metering pump is in the second circulation circuit corresponding to described
On pipeline between the water inlet of double medium filters and the collecting-tank water outlet.
Pipeline between the water outlet of the condenser and the water inlet of the collecting-tank is installed with the first valve, the collection
The second valve, the water outlet of the collecting-tank are installed on pipeline between the water outlet in pond and the water inlet of the cooling tower
Be installed with third valve on pipeline between the water inlet of double medium filters, the water outlet of the condenser with it is described
The 4th valve, the first water outlet of the heat pump and second circulation circuit are installed on pipeline between first water inlet of heat pump
Corresponding to the 5th valve is installed on the water return pipeline between the water inlet of collecting-tank and the water outlet of scratch pool, the waste water is arranged
It puts and is installed with the 6th valve on pipeline.
First valve, the second valve, third valve, the 4th valve, the 5th valve and the 6th valve are motor-driven valve
Door or manually-operated gate.
Outlet of the third valve compared to first metering pump and the second metering pump is closer to the collecting-tank.
After adopting the above structure, the utility model has the following beneficial effects: passing through each component of circular water treating system
Setting, can be effectively prevented from sediment and dirt is attached in each equipment of system, to prevent fouling in the equipment of system
On so that relevant device is corroded, also can fouling in anti-locking system, and effectively utilize the energy, avoid energy waste.
Detailed description of the invention
Fig. 1 is circulating water treatment flow chart in the utility model.
Specific embodiment
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
A kind of circulating-water in thermal power plant processing system, as shown in Figure 1, include cooling tower, condenser, collecting-tank, scratch pool and
Water treatment facilities.The water outlet of cooling tower is connected with the water inlet of condenser, the water inlet of the water outlet and cooling tower of condenser
Mouth is connected, and collecting-tank is set between the water outlet of condenser and cooling tower, that is, the water inlet of collecting-tank and going out for condenser
The mouth of a river is connected, and the water outlet of collecting-tank is connected with the water inlet of cooling tower, wherein the cooling tower that is connected together, condensation
Device and collecting-tank form first circulation circuit, and first circulation circuit corresponds to the water outlet of cooling tower and the water inlet of condenser
Between and first circulation circuit correspond to collecting-tank water inlet and condenser water outlet between pacify in the usual way respectively
Setting equipped with water pump, also, water pump can be configured by actual conditions.
In the present embodiment, collecting-tank and scratch pool all have inlet and outlet.
Water treatment facilities includes double medium filters, single medium filter, fine filter and absorbing well, absorption well, wherein double media
Filter, single medium filter, fine filter are filter common on the market, double medium filters, absorbing well, absorption well, essence filtering
Together with device, scratch pool are sequentially communicated with collecting-tank, for expansion, the water outlet of double medium filters and the water inlet of absorbing well, absorption well
It is connected, the water outlet of the absorbing well, absorption well is connected with the water inlet of fine filter, the water outlet of fine filter and scratch pool
Water inlet is connected, and the water outlet of scratch pool is connected with the water inlet of collecting-tank, and the water inlet and collection of double medium filters
The water outlet in pond is connected, and the water outlet of scratch pool is connected by pipeline with the water inlet of collecting-tank, wherein is sequentially communicated
Collecting-tank, double medium filters, absorbing well, absorption well, fine filter and scratch pool together forms second circulation circuit.
In the utility model, this water treatment facilities further includes antiscaling device and salt-containing waste water treating device.Antiscaling device packet
Sulfuric acid storage box and corrosion inhibiting and descaling agent storage box are included, this sulfuric acid storage box 21 and corrosion inhibiting and descaling agent storage box 22 all have conveying
Mouthful, and the delivery port of sulfuric acid storage box 21 and corrosion inhibiting and descaling agent storage box 22 respectively corresponds and the first metering pump and the second metering pump
Be connected, that is, the delivery port of sulfuric acid storage box 21 is connected with the entrance of the first metering pump, corrosion inhibiting and descaling agent storage box 22 it is defeated
Mouth and the entrance of the second metering pump is sent to be connected, and the outlet of this first metering pump and the second metering pump discharge are and second circulation
Circuit communication, and the first metering pump and the second metering pump are in the water inlet that second circulation circuit corresponds to double medium filters
Pipeline between the water outlet of collecting-tank.Control the component of sulfuric acid and corrosion inhibiting and descaling agent respectively by two metering pumps in this way,
And be quantitatively added in second circulation circuit, the joint of sulfuric acid is added by corrosion inhibiting and descaling agent, is realized on-line cleaning, is reached prevention
The purpose of fouling and effectively sediment and dirt is avoided to be attached in each equipment of system, to prevent fouling in the equipment of system
On, so that relevant device is corroded.
Salt-containing waste water treating device includes heat pump, evaporator and pond of being exposed to the sun, the water outlet of condenser and heat pump first into
The mouth of a river is connected, and the water outlet of the water inlet and scratch pool of collecting-tank is corresponded on the first water outlet of heat pump and second circulation circuit
Water return pipeline between mouthful is connected, and condenser, heat pump and collecting-tank form third circulation loop, in this way after condenser exchanges heat
Return water heat pump is entered by the first water inlet of heat pump, flowed back into collecting-tank from the first water outlet.Also, heat pump, evaporation
Device and pond of being exposed to the sun are sequentially communicated, and the second water inlet of heat pump is connected with wastewater inlet pipe, and the second water outlet of heat pump is connected with
Waste water outlet pipe, for expansion, the water outlet of single medium filter is connected with the water inlet end of wastewater inlet pipe, waste water outlet pipe
Water outlet be connected with the water inlet of evaporator, and recycling waste water is connected to discharge of wastewater pipeline, and discharge of wastewater pipeline with
The water inlet of single medium filter is connected, and recycling waste water enters in heat pump through single medium filter, then exits into from heat pump
In evaporator, this recycling waste water is to contain highly-saline brine waste, this heat pump in the present embodiment through repeatedly circulation in steam power plant
For conventional increasing heating type heat pump.
Routinely, the steam that boiler generates in steam power plant drives generator hair through steam turbine, and by the rotation of steam turbine
Electricity, and the exhaust of steam turbine enters in condenser, condenses into water, enters back into cooling tower and is cooled down, and then comes back to cold
It in condenser, comes back in boiler through condenser, is recycled with this.And in the present invention, the principle of brine waste processing
Be: as heat source, the circulating backwater after condenser enters in heat pump the steam of steam power plant from the first water inlet of heat pump, and contains
Recycling waste water with high salt enters heat pump from the second water inlet of heat pump after the filtering of single medium filter, in the effect of heat pump
Under, the condensation waste heat in circulating backwater passes to recycling waste water, and the recycling waste water after heating enters evaporator, by evaporator into
Row evaporative crystallization, subsequent crystallisation enter pond of being exposed to the sun and are exposed to the sun, in this way, increasing the heat capacity of steam power plant, improve the energy
Utilization rate.
Further, the water inlet of cooling tower is connected with external make-up water water source.
Further, second circulation circuit is also equipped with water pump, also, according to the actual situation, can set on other pipelines
Set water pump.
Further, the pipeline between the water outlet of condenser and the water inlet of collecting-tank is installed with the first valve, cooling
Pipeline between the water inlet of tower and the water outlet of collecting-tank is installed with the second valve, the water outlet of collecting-tank and double media filtrations
Third valve is installed on pipeline between the water inlet of device, and this third valve is compared to the entrance of metering pump in antiscaling device
The inlet port in second circulation circuit is closer to collecting-tank, the pipeline between the water outlet of condenser and the first water inlet of heat pump
The 4th valve, the first water outlet of heat pump and second circulation circuit are installed with corresponding to the water inlet of collecting-tank and going out for scratch pool
The 5th valve is installed on water return pipeline between the mouth of a river, discharge of wastewater pipeline is connected with the water inlet of single medium filter,
And the 6th valve is installed on recycling waste water discharge tube, wherein each valve all can be electrically operated valve or manually-operated gate.In addition,
The setting of each valve can be increased and be deleted according to the actual situation.
The working process of the utility model is as follows: the steam in boiler enters in condenser, is condensed into water through condenser after
Into in collecting-tank, then cooling tower is flowed into from collecting-tank and is cooled down, then come back in condenser, then enter from condenser
It in boiler, is recycled with this, the first valve and the second valve opening during this, other valves are closed.It is when preventing fouling, i.e., fixed
Phase opens third valve, so that circulating backwater flows into second circulation circuit, to add sulfuric acid and inhibition in circulating backwater
Antisludging agent is filtered recirculated water and the adjusting of water quality then successively through double medium filters, absorbing well, absorption well and fine filter,
Enter in scratch pool through water quality adjustment and the circulating backwater of filtering, then come back in collecting-tank, after a period of time, closes
Third valve opens the first valve and the second valve, and the circulating backwater for being filtered and being adjusted in collecting-tank is made to come back to cooling
In tower, condenser and other equipment, to prevent cooling tower, condenser and other equipment fouling.Highly-saline recycling waste water (contains
Salt waste water) processing when, the second valve, the 4th valve, the 5th valve and the 6th valve opening, and circulating backwater in condenser is logical
The closing for crossing the 7th valve can not return in boiler, and the circulating backwater of condenser enters in heat pump through the first water inlet of heat pump,
And the first water outlet through heat pump returns in collecting-tank, at the same time, filtering of the recycling waste water through single medium filter is from heat pump
The second water inlet enter heat pump, and the condensation waste heat of absorption cycle return water, the recycling waste water after heating is again from the second of heat pump
Water outlet outflow enters in evaporator, is evaporated crystallization, is then exposed to the sun, evaporation water flows down salt slag, closes after the completion
4th valve, the 5th valve and the 6th valve reopen the first valve, and the circulating backwater in condenser passes through the 8th valve
Unlatching can come back in boiler.
A kind of circulating-water in thermal power plant processing system of the utility model, by the setting of each device of circular water treating system,
Sediment can be effectively prevented from and dirt is attached in each equipment of system, to prevent fouling in the equipment of system, so that
Relevant device is corroded, and can effectively utilize the energy, avoids energy waste.
In addition, the utility model further includes control system when each valve is electrically operated valve, the driving of each electrically operated valve
End is electrically connected with the output end of control system, and conventional PLC control system can be used in this control system.And two metering above-mentioned
Pump is conventional metering pump, and the driving end of this metering pump is all connected in control system, and metering pump is manually operated
It can also be controlled by control system.
The foregoing is merely the preferred embodiment of the present embodiment, all equalizations done with the utility model claims range
Variation and modification, should belong to the scope of the claims of the utility model.
Claims (5)
1. a kind of circulating-water in thermal power plant processing system, it is characterised in that: including cooling tower, condenser, collecting-tank, scratch pool and water
Processing unit, the cooling tower water outlet be connected with the water inlet of the condenser, the water outlet of the condenser and institute
The water inlet for stating collecting-tank is connected, and the water outlet of the collecting-tank is connected with the water inlet of the cooling tower, is sequentially communicated
The cooling tower, the condenser and the collecting-tank form first circulation circuit；
The water treatment facilities includes double medium filters, single medium filter, fine filter, absorbing well, absorption well, antiscaling device and contains
Salt wastewater treatment equipment, double medium filters, the absorbing well, absorption well, the fine filter, the scratch pool and collecting-tank according to
It is secondary to be connected together, and the water inlet of double medium filters is connected with the water outlet of the collecting-tank, also, successively connects
The logical collecting-tank, double medium filters, absorbing well, absorption well, fine filter and scratch pool forms second circulation circuit；The scale inhibition
Device includes sulfuric acid storage box and corrosion inhibiting and descaling agent storage box, and the sulfuric acid storage box and the corrosion inhibiting and descaling agent storage box have
There is delivery port, two delivery ports are respectively corresponded to be connected with the first metering pump and the second metering pump, and first metering pump
It is connected with the second circulation circuit with the outlet of second metering pump；
The salt-containing waste water treating device includes heat pump, evaporator and pond of being exposed to the sun, the water outlet of the condenser and the heat pump
The first water inlet be connected, the collecting-tank is corresponded on the first water outlet of the heat pump and the second circulation circuit
Water return pipeline between water inlet and the water outlet of the scratch pool is connected, and the condenser, the heat pump and described catchments
Third circulation loop is formed between pond；Also, the heat pump, the evaporator and the pond of being exposed to the sun are sequentially communicated, and the heat
Second water inlet of pump is connected with wastewater inlet pipe, and the second water outlet of the heat pump is connected with waste water outlet pipe, the Dan Jie
The water outlet of mass filter is connected with the water inlet end of the wastewater inlet pipe, the water outlet of the waste water outlet pipe and the steaming
The water inlet of hair device is connected, and the water outlet of single medium filter is connected with the discharge of wastewater pipeline flowed into for recycling waste water.
2. a kind of circulating-water in thermal power plant processing system according to claim 1, it is characterised in that: first metering pump and
The outlet of second metering pump is in water inlet and institute of the second circulation circuit corresponding to double medium filters
It states on the pipeline between collecting-tank water outlet.
3. a kind of circulating-water in thermal power plant processing system according to claim 1, it is characterised in that: the water outlet of the condenser
Pipeline between mouth and the water inlet of the collecting-tank is installed with the first valve, the water outlet of the collecting-tank and the cooling tower
Water inlet between pipeline on be installed with the second valve, the water inlet of the water outlet of the collecting-tank and double medium filters
Third valve, the pipe between the water outlet of the condenser and the first water inlet of the heat pump are installed on pipeline between mouthful
It is installed with the 4th valve on road, the first water outlet of the heat pump and second circulation circuit correspond to the water inlet and temporarily of collecting-tank
It deposits and is installed with the 5th valve on the water return pipeline between the water outlet in pond, be installed with the 6th valve on the discharge of wastewater pipeline.
4. a kind of circulating-water in thermal power plant processing system according to claim 3, it is characterised in that: first valve,
Two valves, third valve, the 4th valve, the 5th valve and the 6th valve are electrically operated valve or manually-operated gate.
5. a kind of circulating-water in thermal power plant processing system according to claim 4, it is characterised in that: the third valve is compared
The collecting-tank is closer in the outlet of first metering pump and the second metering pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288296.1U CN208883648U (en) | 2018-08-10 | 2018-08-10 | A kind of circulating-water in thermal power plant processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288296.1U CN208883648U (en) | 2018-08-10 | 2018-08-10 | A kind of circulating-water in thermal power plant processing system |
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| Publication Number | Publication Date |
|---|---|
| CN208883648U true CN208883648U (en) | 2019-05-21 |
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ID=66508582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821288296.1U Active CN208883648U (en) | 2018-08-10 | 2018-08-10 | A kind of circulating-water in thermal power plant processing system |
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| Country | Link |
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| CN (1) | CN208883648U (en) |
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2018
- 2018-08-10 CN CN201821288296.1U patent/CN208883648U/en active Active
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