A kind of cooling recirculation system by the use of ammoniacal liquor as moisturizing
Technical field
The present invention relates to technical field of waste water processing, and in particular to a kind of cooling cyclic system by the use of ammoniacal liquor as moisturizing
System.
Background technology
The sewage disposal of the industries such as coal chemical industry, papermaking, leather, printing and dyeing, pharmacy is generally acknowledged the problem of be most difficult to processing, processing
Cost is big, qualified discharge, industry do not steal serious row's phenomenon, heavy metals exceeding standard, content of organics height, the smell is awful, to the people's
Life and health brings serious threat.A kind of deposed ammonia recycling is disclosed in Authorization Notice No. is the B of CN 102674393
Method.Liquefied ammonia is purified to the deposed ammonia produced in still-process, makes its dense by being continuously added desalted water or pure water thereto
Degree obtains suitable control, and filters suspension therein, the deposed ammonia after being handled, then as acid regeneration unit
Technique addition medium is used, so that the outer committee processing of deposed ammonia is reduced, while it is negative to also reduce production and operation cost and environment
Load;But it can not be handled for other sewage, and it is only the reduction of the discharge of deposed ammonia, and unrealized zero-emission
Put.
A kind of ammonia water recovery device is disclosed in application publication number is the A of CN 102179134, including gas buffer tank,
The vacuum pump set that connects with gas buffer tank, the first absorption tower connected with vacuum pump set, the absorption connected with the first absorption tower
Tank and cistern;The invention absorbs and ammoniacal liquor recycling due to have passed through multistage ammonia, therefore absorbs and recovering effect pole
It is good, the exhaust gas concentration≤1mg/m discharged after absorption3, purification efficiency >=99%, less than Chinese (GB14554-93) stench dirt
Contaminate thing comprehensive discharge standard one-level 1.0mg/m3;Two grades of 1.5mg/m3, during 15 meters of height of discharge capacity be less than or equal to 4.9 kilograms/it is small
When standard;But the invention is not recycled completely to ammoniacal liquor, and and unrealized zero-emission.
If more rational recycling can be carried out to above-mentioned industrial wastewater, and do not discharge outwardly, can not only
The pollution to environment is enough avoided, nor threat can be produced to the health of the people.
The content of the invention
In view of this, the purpose that the present invention is provided is to be used as benefit by the use of ammoniacal liquor there is provided one kind in view of the shortcomings of the prior art
The cooling recirculation system of water, can carry out recycling by industrial wastewater, not discharge outwardly, it is to avoid strong to environment and the people
The threat of health.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of cooling recirculation system by the use of ammoniacal liquor as moisturizing, including heat-exchange device, cooling tower, collecting-tank, mud-water separation
Pond and filter plant;
The cooling tower is arranged on above the collecting-tank, and the cooling water come out from the heat-exchange device enters the cooling
Tower, the cooling water got off from the cooling tower enters the collecting-tank, and the cooling water gone out from the collecting-tank overflow enters described
Mud-water separation pond;
The mud-water separation bottom of pond portion sets sludgd deposition to cheat, and is overflow from the collecting-tank and exits into the mud-water separation pond
Cooling water carries out Gravity Separation in the mud-water separation pond, and sludgd deposition is to bottom, and the sludgd deposition hole connects with sludge pump
It is logical, water circulating pump is set outside the mud-water separation pond, and the water circulating pump is separated in pond by pipeline, one end with the mud
Supernatant is connected, and the other end is connected with the coolant intake of the heat-exchange device;
The mud-water separation pond be also connected with ammoniacal liquor or other industrial wastewaters or sanitary sewage all the way or a few road pipelines, the ammoniacal liquor
Or remaining industrial wastewater or sanitary sewage are as the make-up water source of cooling circulating water, into the mud-water separation pond;
The side in the mud-water separation pond or top set dosing mixing plant, and appropriate pre- film is added to the dosing mixing plant
Agent, scale inhibition sustained release agent, are diluted with water and are stirring evenly and then adding into the mud-water separation pond, and the cooling water in the mud-water separation pond leads to
Cross the water circulating pump and enter heat-exchange device, the cooling water come out from the heat-exchange device enters the cooling tower;
The sludge of mud-water separation pond bottom deposit, the filter plant is inputted by sludge pump, to from the filter plant
The sludge filtered out is collected processing, the water after filter plant filtering out, reenters the mud-water separation
Pond.
Further, before system and device operation, at least one first into the collecting-tank or the mud-water separation pond
Biochemical bacterium is introduced in pond or biochemical sludge carries out Bacteria Culture.
Further, the inlet communication or close of the pipe outlet of the dosing mixing plant and the water circulating pump.
Further, the import of the ammoniacal liquor or remaining industrial wastewater or sanitary sewer and the water circulating pump enter
Mouth connection or close.
Further, the filter plant is arranged on the top or side in the mud-water separation pond.
Further, the collecting-tank bottom sets deposition hole.
The present invention is directed in the prior art due to big to Industrial Waste Water Treatments difficulty so that Some Enterprises are due to processing cost
With technology reason, it is easy to carry out the row's of stealing phenomenon, the life and health to environment and the people brings serious threat;And it is of the invention
Cooling circulating water is perfectly combined together the characteristics of the evaporation of tower position and Biochemical is cooled down, led in recirculated water
Cross plus prefilming agent, anti-incrustation corrosion inhibitor make to form diaphragm in the heat-exchange device cooling pipe of heat exchange, easily form the material of incrustation scale
Deposited in the presence of anti-incrustation corrosion inhibitor not on tube wall, heavy metal ion is deposited on after being chelated by prefilming agent, anti-incrustation corrosion inhibitor
Good pre-film effect is played on metal pipe-wall.
In addition, before system operating, first introducing biochemical bacterium or biochemical sludge to water body, being supplemented when being conducive to operation to start
The wastewater through organic matter such as the ammoniacal liquor at water source can start biological decomposition in time, and organic matter is in mud-water separation pond and heat exchange cooling pipe
Interior carry out anaerobic reaction, organic matter carries out aerobic reaction in cooling tower and collecting-tank, and the temperature of whole system water is at 25 ~ 45 DEG C
In the range of, it is well suited for the growth and breeding of biochemical bacterium, ammonia nitrogen, the H2S also quilt in the presence of nitrification, denitrification, Thiobacillus etc.
Decompose, along with the waste water such as ammoniacal liquor are by the dilution of recirculated water, the smell of whole recirculated water is less, and waste water is thorough without outer row
Bottom solves waste water handling problem.
In addition, the bottom in mud-water separation pond all sets taper deposition hole, be conducive to the cleaning or transfer of deposit;It is described to add
The pipe outlet and ammoniacal liquor of medicine mixing plant or the pipe outlet of remaining industrial wastewater or sanitary sewage are arranged on the muddy water
Separate tank, and near the pipeline inlet connected with water circulating pump, be conducive to waste water be diluted in time and evenly into
In whole water circulation and biochemical system;The filter plant is arranged on mud-water separation pond near or over, and filter plant enters mud
Water outlet return duct after pipeline and filtering is closer apart from mud-water separation pond, and operating cost is low;Collecting-tank bottom sets deposition
Hole, is conducive to the cleaning or transfer of collecting-tank bottom deposit mud or water.
The present invention combines cooling water system and biochemical system, and brand-new benefit is used as by the use of ammoniacal liquor as a kind of
The cooling recirculation system of water, the waste water such as ammoniacal liquor are gone as a kind of water resource to make up the evaporation of recirculated water, not only efficiently solved
Water scarcity problem, while solving the problem of Industrial Wastewater Treatment is difficult, is fundamentally solved at the industry waste water such as coal chemical industry
Reason problem.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the first other structural representation of the present invention;
Fig. 3 is second other of structural representation of the present invention;
Fig. 4 is the third other structural representation of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing 1-4, the technical scheme to the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this
A part of embodiment of invention, rather than whole embodiments.Based on described embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained, belongs to the scope of protection of the invention.
Embodiment one
A kind of cooling recirculation system by the use of ammoniacal liquor as moisturizing, including heat-exchange device 1, cooling tower 2, collecting-tank 3, muddy water point
From pond 4, filter plant 5, the cooling tower 2 is arranged on the top of collecting-tank 3, and the cooling water come out from heat-exchange device 1 enters
Enter the cooling tower 2, the cooling water got off from the cooling tower 2 enters the collecting-tank 3, goes out from the overflow of collecting-tank 3
Cooling water enters the mud-water separation pond 4;The bottom of mud-water separation pond 4 sets sludgd deposition to cheat 6;
The excessive cooling water for exiting into the mud-water separation pond 4 of the collecting-tank 3 carries out gravity in the mud-water separation pond 4
Separation, sludgd deposition is to bottom, and the sludgd deposition hole 6 is connected with sludge pump 7, and the mud-water separation pond 4 is outer to set recirculated water
Pump 8, the water circulating pump 8 is by pipeline, and one end separates the supernatant connection in pond 4, the other end and the heat with the mud
The coolant intake connection of switch 1;
The mud-water separation pond 4 is also connected with ammoniacal liquor pipeline 9, the ammoniacal liquor as cooling circulating water make-up water source, into described
Mud-water separation pond 4;The import of the ammoniacal liquor pipeline 9 and the inlet communication of the water circulating pump 8.
The top in the mud-water separation pond 4 sets dosing mixing plant 10, is added in right amount to the dosing mixing plant 10
Prefilming agent, scale inhibition sustained release agent, are diluted with water and are stirring evenly and then adding into the mud-water separation pond 4, in the mud-water separation pond 4
Cooling water enters heat-exchange device 1 by the water circulating pump 8, and the cooling water come out from the heat-exchange device 1 enters described
Cooling tower 2;The inlet communication of the pipe outlet of the dosing mixing plant 10 and the water circulating pump 8.
The filter plant 5 is arranged on the top in the mud-water separation pond 4, the dirt of the bottom deposit of mud-water separation pond 4
Mud, the filter plant 5 is inputted by sludge pump 7, and processing is collected to the sludge filtered out from the filter plant 5,
Water after the filter plant 5 filtering out, is reentered in the mud-water separation pond 4.
It is directed in the embodiment in the prior art due to big to Industrial Waste Water Treatments difficulty so that Some Enterprises are due to processing
Cost and technology reason, it is easy to carry out the row's of stealing phenomenon, the life and health to environment and the people brings serious threat;And this
Cooling circulating water is perfectly combined together by invention the characteristics of the evaporation of tower position and Biochemical is cooled down, recirculated water
In by adding prefilming agent, anti-incrustation corrosion inhibitor to make to form diaphragm in the heat-exchange device cooling pipe of heat exchange, easily forming incrustation scale
Material is deposited in the presence of anti-incrustation corrosion inhibitor not on tube wall, and heavy metal ion is sunk after being chelated by prefilming agent, anti-incrustation corrosion inhibitor
Product plays good pre-film effect on metal pipe-wall.
In addition, the prefilming agent and scale inhibition sustained release agent that are used in the embodiment are purchased in market, its occupation mode passes through this
The specification use of device, is not being repeated in the present invention.
Embodiment two
The difference of itself and embodiment one is:The mud-water separation pond 4 is also connected with industrial wastewater pipeline 9, the industrial wastewater or
Sanitary sewage as cooling circulating water make-up water source, into the mud-water separation pond 4;The import of the industrial wastewater pipeline 9
Import with the water circulating pump 8 is close to each other.
The side in the mud-water separation pond 4 sets dosing mixing plant 10, is added in right amount to the dosing mixing plant 10
Prefilming agent, scale inhibition sustained release agent, are diluted with water and are stirring evenly and then adding into the mud-water separation pond 4, in the mud-water separation pond 4
Cooling water enters heat-exchange device 1 by the water circulating pump 8, and the cooling water come out from the heat-exchange device 1 enters described
Cooling tower 2;The import of the pipe outlet of the dosing mixing plant 10 and the water circulating pump 8 is close to each other.
Before system and device operation, biochemical bacterium is first introduced into the mud-water separation pond 4 or biochemical sludge carries out bacterium
Culture.
In the embodiment before system operating, biochemical bacterium or biochemical sludge first are introduced to water body, is conducive to operation to start
When make-up water source the wastewater through organic matter such as ammoniacal liquor can start biological decomposition in time, organic matter is cold in mud-water separation pond and heat exchange
But anaerobic reaction is carried out in pipeline, organic matter carries out aerobic reaction in cooling tower and collecting-tank, and the temperature of whole system water exists
In the range of 25 ~ 45 DEG C, it is well suited for the growth and breeding of biochemical bacterium, ammonia nitrogen, H2S are also in the work of nitrification, denitrification, Thiobacillus etc.
It is decomposed under, along with the waste water such as ammoniacal liquor are by the dilution of recirculated water, the smell of whole recirculated water is less, and waste water is without outer
Row, thoroughly solves waste water handling problem.
Embodiment three
The bottom of collecting-tank 3 sets deposition hole.
The bottom in mud-water separation pond all sets taper deposition hole in the embodiment, is conducive to the cleaning or transfer of deposit;
The pipe outlet of the dosing mixing plant and the pipe outlet of ammoniacal liquor or remaining industrial wastewater or sanitary sewage are arranged on institute
Mud-water separation pond is stated, and near the pipeline inlet connected with water circulating pump, be conducive to waste water to be diluted in time and uniformly
Ground enters in whole water circulation and biochemical system;The filter plant is arranged on mud-water separation pond near or over, and filtering is set
Water outlet return duct behind standby enters mud pipe road and filtering is closer apart from mud-water separation pond, and operating cost is low;Collecting-tank bottom is set
Deposition hole is put, is conducive to the cleaning or transfer of collecting-tank bottom deposit mud or water.
Example IV
The difference of itself and embodiment one is:
The mud-water separation pond 4 is also connected with the two-way pipeline 9 of ammoniacal liquor sanitary sewage, and the ammoniacal liquor sanitary sewage is circulated as cooling
The make-up water source of water, into the mud-water separation pond 4;The import of the ammoniacal liquor sanitary sewer 9 and the water circulating pump 8
Import is close to each other.
The top in the mud-water separation pond 4 sets dosing mixing plant 10, is added in right amount to the dosing mixing plant 10
Prefilming agent, scale inhibition sustained release agent, are diluted with water and are stirring evenly and then adding into the mud-water separation pond 4, in the mud-water separation pond 4
Cooling water enters heat-exchange device 1 by the water circulating pump 8, and the cooling water come out from the heat-exchange device 1 enters described
Cooling tower 2;The inlet communication of the pipe outlet of the dosing mixing plant 10 and the water circulating pump 8.
The present invention combines cooling water system and biochemical system, and brand-new benefit is used as by the use of ammoniacal liquor as a kind of
The cooling recirculation system of water, the waste water such as ammoniacal liquor are gone as a kind of water resource to make up the evaporation of recirculated water, not only efficiently solved
Water scarcity problem, while solving the problem of Industrial Wastewater Treatment is difficult, is fundamentally solved at the industry waste water such as coal chemical industry
Reason problem.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.