CN111777255A - Ethylene device condensate water treatment facilities - Google Patents
Ethylene device condensate water treatment facilities Download PDFInfo
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- CN111777255A CN111777255A CN202010750206.1A CN202010750206A CN111777255A CN 111777255 A CN111777255 A CN 111777255A CN 202010750206 A CN202010750206 A CN 202010750206A CN 111777255 A CN111777255 A CN 111777255A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Treatment Of Water By Ion Exchange (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of condensate water treatment auxiliary devices, in particular to a condensate water treatment device of an ethylene device, which separately treats process condensate water and turbine condensate water, has simple flow and easy maintenance, and improves the removal effect of impurities such as oil stain, iron, organic matters and the like in the condensate water; comprises a process condensed water treatment system, a turbine condensed water treatment system and a desalted water storage system; the desalted water storage system comprises a desalted water preheater, a desalted water tank and a desalted water pump, wherein the desalted water pump pumps desalted water in the desalted water tank into the desalted water preheater to exchange heat with process condensate water, and then the desalted water is sent to each procedure; the process condensate water treatment system comprises a process condensate water cooler, a process condensate water tank, a process condensate water pump, a process condensate water precision filter, a scanning condensate interception oil tank and a process condensate water mixed bed which are sequentially connected.
Description
Technical Field
The invention relates to the technical field of auxiliary devices for condensed water treatment, in particular to a condensed water treatment device of an ethylene device.
Background
Ethylene is a well-known compound consisting of two carbon atoms and four hydrogen atoms. The two carbon atoms are connected by a double bond. Ethylene is present in certain tissues and organs of plants and is produced by the conversion of methionine under conditions of sufficient oxygen supply. Ethylene is a basic chemical raw material of synthetic fiber, synthetic rubber, synthetic plastics (polyethylene and polyvinyl chloride), synthetic ethanol (alcohol), is also used for manufacturing vinyl chloride, styrene, ethylene oxide, acetic acid, acetaldehyde, ethanol, explosive and the like, can be used as a ripener for fruits and vegetables, and is a proven plant hormone. Ethylene is one of the chemical products with the largest yield in the world, the ethylene industry is the core of the petrochemical industry, and the ethylene product accounts for more than 75 percent of petrochemical products and occupies an important position in national economy. Ethylene production has been used worldwide as one of the important indicators for the development of petrochemical in one country.
In the process of producing ethylene, a large amount of condensed water is generated and is roughly divided into process condensed water and turbine condensed water, the process condensed water and the turbine condensed water are mainly different in that the process condensed water contains oil stains and both contain impurities such as iron and organic matters, and in the prior art, the impurities such as the oil stains, the iron and the organic matters in the condensed water cannot be removed, so that the practicability is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides the ethylene device condensed water treatment device, which is used for separately treating the process condensed water and the turbine condensed water, has simple flow and easy maintenance, and improves the removal effect of impurities such as oil stains, iron, organic matters and the like in the condensed water.
The invention relates to an ethylene device condensed water treatment device, which comprises a process condensed water treatment system, a turbine condensed water treatment system and a desalted water storage system;
the desalted water storage system comprises a desalted water preheater, a desalted water tank and a desalted water pump, wherein the desalted water pump pumps desalted water in the desalted water tank into the desalted water preheater to exchange heat with process condensed water, and then the desalted water is sent to each procedure;
the process condensate treatment system comprises a process condensate cooler, a process condensate water tank, a process condensate pump, a process condensate precise filter, a scanning condensate interception oil tank and a process condensate water mixed bed which are sequentially connected, wherein the process condensate water exchanges heat with desalted water inside a desalted water preheater to heat the process condensate water, the heated process condensate water enters the process condensate water cooler to cool, the temperature of the process condensate water is stabilized and then stored inside the process condensate water tank, water inside the process condensate water tank is pumped into the process condensate water precise filter and the scanning condensate interception oil tank through the process condensate pump to remove impurities such as iron ions, rust, oil stains, organic matters and the like, and then enters the process condensate water mixed bed to remove other ions in the water to form desalted water which is stored inside the desalted water tank;
the turbine condensate water treatment system comprises a turbine condensate water precision filter, an activated carbon filter and a turbine condensate water mixing bed which are sequentially connected, wherein the turbine condensate water sequentially passes through the turbine condensate water precision filter and the activated carbon filter to remove impurities such as iron ions, rust and organic matters, then passes through the turbine condensate water mixing bed to form desalted water, and then enters a desalted water tank to be stored.
The invention relates to an ethylene device condensed water treatment device, which further comprises a regeneration system, wherein the regeneration system comprises a high-position acid storage tank and a high-position alkali storage tank, the high-position acid storage tank and the high-position alkali storage tank are respectively provided with an acid metering pump and an alkali metering pump, the acid metering pump and the alkali metering pump are both communicated with a process condensed water mixed bed and a turbine condensed water mixed bed, and wastewater generated by the process condensed water mixed bed and the turbine condensed water mixed bed is neutralized by a neutralization water tank until the pH value is within the range of 6-9 and then is discharged.
According to the device for treating the condensed water of the ethylene device, the condensed water precision filter of the process is made of 304 stainless steel materials, and a filter medium is modified high-temperature-resistant oil-removing fibers; the scanning condensation interception forbidden oil tank is made of carbon steel materials, polyurea is sprayed on the inner wall of the scanning condensation interception forbidden oil tank, and the filter element is an ultra-fine polypropylene fiber oil removal filter element.
According to the condensed water treatment device for the ethylene device, the condensed water mixed bed adopts the steel lining rubber, the thickness of the lining rubber is 5mm, the internal parts are made of stainless steel, D003NJ and D203NJ ion exchange resins are adopted, and the filling proportion of the anion resin to the cation resin is 1: 1.
according to the condensed water treatment device of the ethylene device, the turbine condensed water precision filter is made of the stainless steel 304 material, and a filter medium is modified high-temperature-resistant oil-removing fiber; the activated carbon filter adopts steel lining glue, the thickness of the lining glue is 5mm, the internal part is made of stainless steel, and the filling height of the activated carbon is 2000 mm.
According to the condensed water treatment device for the ethylene device, HCl with the concentration of 31% is arranged in the high-position acid storage tank, and NaOH with the concentration of 30% is arranged in the high-position alkali storage tank.
Compared with the prior art, the invention has the beneficial effects that: the process condensate water sequentially passes through a desalted water heat exchanger, a process condensate water cooler, a process condensate water tank, a process condensate water pump, a process condensate water precision filter, a scanning condensation interception oil tank and a process condensate water mixed bed for treatment, so that other ions, rust, organic matters, oil stains and other impurities in the process condensate water are removed to form desalted water, the shell of the process condensate water precision filter is prevented from being corroded by 304 stainless steel, and the filter medium adopts modified high-temperature-resistant deoiling fibers to control the particle sizes of oil, suspended matters and particles in the water; the scanning coagulation interception forbidden oil tank inner wall is sprayed with polyurea which has the characteristics of corrosion resistance, water resistance, wear resistance and the like, the superfine polypropylene fiber has light specific gravity and poor water absorption rate, has good hydrophobic function and super-strong oil absorption capacity (the maximum can reach 50 times of the self weight), simultaneously has extremely strong desorption function and good oil water replacement property, process condensate is treated by a process condensate mixed bed after being treated by a process condensate precision filter and the scanning coagulation interception forbidden oil tank, a downstream process condensate mixed bed is greatly protected, and D003NJ and D203NJ ion exchange resins of the process condensate mixed bed are prevented from organic pollution; the turbine condensed water is sequentially treated by a turbine condensed water precision filter, an activated carbon filter and a turbine condensed water mixed bed to remove other ions, iron rust, organic matters and other impurities in the turbine condensed water to form desalted water, the shell of the turbine condensed water precision filter is prevented from being corroded by 304 stainless steel, and a filter medium adopts modified high-temperature-resistant deoiling fibers to control the particle sizes of oil, suspended matters and particles in water; the turbine condensate is further adsorbed by active carbon, and is treated by a turbine condensate mixed bed after being treated by a turbine condensate precise filter and an active carbon filter, so that the downstream turbine condensate mixed bed is greatly protected, and the resin of the turbine condensate mixed bed avoids organic pollution; desalted water formed by the process condensate water treatment system and the turbine condensate water treatment system enters a desalted water tank, and then is pumped into a desalted water heat exchanger through a desalted water pump, the temperature of the process condensate water is raised and the desalted water is cooled at the same time in the desalted water heat exchanger, so that the heat utilization rate is improved, the cooled desalted water is sent to each procedure, 31% HCl acid liquor and 30% NaOH alkali liquor are respectively metered through an acid metering pump and an alkali metering pump, and resin on a process condensate water mixed bed and a turbine condensate water mixed bed is regenerated after the diluted solutions are diluted to proper concentrations, and the production continuity is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the drawings, the reference numbers: 1. a desalinated water storage system; 11. a desalted water preheater; 12. a desalted water tank; 13. a desalted water pump; 2. a process condensate treatment system; 21. a process condensate water cooler; 22. a process condensate tank; 23. a process condensate pump; 24. a precision filter for process condensate; 25. scanning the agglomeration interception inhibition oil tank; 26. mixing the process condensed water; 3. a turbine condensate treatment system; 31. a turbine condensate precision filter; 32. an activated carbon filter; 33. a turbine condensed water mixed bed; 4. a regeneration system; 41. a high-acid storage tank; 42. a high-level alkali storage tank; 43. an acid metering pump; 44. an alkali dosing pump.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the condensed water treatment device of the ethylene plant of the present invention comprises a process condensed water treatment system 2, a turbine condensed water treatment system 3 and a desalted water storage system 1;
the desalted water storage system 1 comprises a desalted water preheater 11, a desalted water tank 12 and a desalted water pump 13, wherein the desalted water pump 13 pumps desalted water in the desalted water tank 12 into the desalted water preheater 11 to exchange heat with process condensate water, and then the desalted water is sent to each process;
the process condensate treatment system 2 comprises a process condensate cooler 21, a process condensate water tank 22, a process condensate water pump 23, a process condensate water precision filter 24, a scanning condensation interception oil tank 25 and a process condensate water mixed bed 26 which are connected in sequence, the process condensate water exchanges heat with desalted water in the desalted water preheater 11 to heat the process condensate water, the heated process condensate water enters the process condensate water cooler 21 to cool down and stabilize the temperature of the process condensate water, then storing the water in the process condensate tank 22, pumping the water in the process condensate tank 22 into a process condensate precision filter 24 through a process condensate pump 23 and a scanning condensation interception oil tank 25 to remove impurities such as iron ions, rust, oil stains, organic matters and the like, then enters a process condensed water mixed bed 26 to remove other ions in the water to form desalted water which is stored in a desalted water tank 12;
the turbine condensate treatment system 3 comprises a turbine condensate fine filter 31, an activated carbon filter 32 and a turbine condensate mixed bed 33 which are sequentially connected, wherein the turbine condensate sequentially passes through the turbine condensate fine filter 31 and the activated carbon filter 32 to remove impurities such as iron ions, rust, organic matters and the like, then passes through the turbine condensate mixed bed 33 to form desalted water, and then enters the desalted water tank 12 to be stored;
the process condensate is sequentially treated by a desalted water heat exchanger, a process condensate water cooler 21, a process condensate water tank 22, a process condensate water pump 23, a process condensate fine filter 24, a scanning coagulation interception oil tank 25 and a process condensate mixed bed 26 to remove other ions, rust, organic matters, oil stains and other impurities in the process condensate to form desalted water, and the process condensate is treated by the process condensate fine filter 24 and the scanning coagulation interception oil tank 25 and then treated by the process condensate mixed bed 26, so that the downstream process condensate mixed bed 26 is greatly protected, and the resin of the process condensate mixed bed 26 avoids organic pollution; the turbine condensate is sequentially treated by the turbine condensate fine filter 31, the activated carbon filter 32 and the turbine condensate mixed bed 33 to remove impurities such as other ions, rust, organic matters and the like in the turbine condensate to form desalted water, and the turbine condensate is treated by the turbine condensate mixed bed 33 after being treated by the turbine condensate fine filter 31 and the activated carbon filter 32, so that the downstream turbine condensate mixed bed 33 is greatly protected, and the resin of the turbine condensate mixed bed 33 avoids organic pollution; desalted water formed by the process condensate treatment system 2 and the turbine condensate treatment system 3 enters a desalted water tank 12 and is pumped into a desalted water heat exchanger through a desalted water pump 13, the temperature of the process condensate is raised and the desalted water is cooled in the desalted water heat exchanger, so that the heat utilization rate is improved, and the cooled desalted water is sent to each process.
The invention relates to a condensed water treatment device of an ethylene device, which further comprises a regeneration system 4, wherein the regeneration system 4 comprises a high-position acid storage tank 41 and a high-position alkali storage tank 42, the high-position acid storage tank 41 and the high-position alkali storage tank 42 are respectively provided with an acid metering pump 43 and an alkali metering pump 44, the acid metering pump 43 and the alkali metering pump 44 are both communicated with a process condensed water mixed bed 26 and a turbine condensed water mixed bed 33, and wastewater generated by the process condensed water mixed bed 26 and the turbine condensed water mixed bed 33 is neutralized by a neutralization pond until the pH value is in the range of 6-9 and then is discharged; the acid solution and the alkali solution are respectively metered by an acid metering pump 43 and an alkali metering pump 44, and are diluted to proper concentrations to regenerate the resins on the process condensate mixed bed 26 and the turbine condensate mixed bed 33, so that the production continuity is ensured.
According to the device for treating the condensed water of the ethylene device, the process condensed water precise filter 24 is made of 304 stainless steel materials, and a filter medium is modified high-temperature-resistant oil-removing fibers; the scanning coagulation interception oil tank 25 is made of carbon steel, the inner wall of the scanning coagulation interception oil tank is sprayed with polyurea, and the filter element is an ultra-fine polypropylene fiber oil removal filter element;
the 304 stainless steel prevents the shell of the process condensate precise filter 24 from rusting, and the filter medium adopts modified high-temperature resistant oil-removing fiber to control the particle size of oil, suspended matters and particles in water; scanning condensation interception prohibits polyurea sprayed on the inner wall of the oil tank 25, the polyurea has the characteristics of corrosion resistance, water resistance, wear resistance and the like, the superfine polypropylene fiber has light specific gravity and poor water absorption rate, and has a good hydrophobic function, super-strong oil absorption capacity (the maximum weight can reach 50 times of the self weight), a strong desorption function and good oil-water displacement.
According to the device for treating the condensed water of the ethylene device, the process condensed water mixed bed 26 adopts the steel lining rubber, the thickness of the lining rubber is 5mm, the internal parts are made of stainless steel, D003NJ and D203NJ ion exchange resins are adopted, and the filling proportion of the anion resin and the cation resin is 1: 1; other ions in the water were removed by ion exchange resins D003NJ and D203 NJ.
According to the condensed water treatment device of the ethylene device, the turbine condensed water precision filter 31 is made of stainless steel 304, and a filter medium is modified high-temperature-resistant oil-removing fiber; the activated carbon filter 32 adopts steel lining rubber, the thickness of the lining rubber is 5mm, the material of the internal part is stainless steel, and the filling height of the activated carbon is 2000 mm;
the 304 stainless steel prevents the shell of the turbine condensed water precision filter 31 from rusting, and the filtering medium adopts modified high-temperature resistant oil-removing fiber to control the oil, suspended matters and particle sizes of the suspended matters in the water; and further adsorbed by activated carbon.
According to the condensed water treatment device for the ethylene device, HCl with the concentration of 31% is arranged in the high-level acid storage tank 41, and NaOH with the concentration of 30% is arranged in the high-level alkali storage tank 42.
When the ethylene device condensed water treatment device works, process condensed water is sequentially treated by the desalted water heat exchanger, the process condensed water cooler 21, the process condensed water tank 22, the process condensed water pump 23, the process condensed water precision filter 24, the scanning condensation interception oil tank 25 and the process condensed water mixed bed 26, other ions, rust, organic matters, oil stains and other impurities in the process condensed water are removed to form desalted water, the shell of the process condensed water precision filter 24 is prevented from being corroded by 304 stainless steel, and a filter medium adopts modified high-temperature resistant deoiling fibers to control the particle sizes of oil, suspended matters and particles in water; the scanning coagulation interception oil tank 25 is sprayed with polyurea on the inner wall, the polyurea has the characteristics of corrosion resistance, water resistance, wear resistance and the like, the superfine polypropylene fiber has light specific gravity and poor water absorption rate, has good hydrophobic function and super-strong oil absorption capacity (the maximum oil absorption capacity can reach 50 times of the self weight), simultaneously has extremely strong desorption function and good oil water replacement property, process condensate is treated by the process condensate mixing bed 26 after being treated by the process condensate precision filter 24 and the scanning coagulation interception oil tank 25, the downstream process condensate mixing bed 26 is greatly protected, and D003NJ and D203NJ ion exchange resin of the process condensate mixing bed 26 are prevented from organic pollution; the turbine condensed water is sequentially treated by a turbine condensed water precision filter 31, an active carbon filter 32 and a turbine condensed water mixed bed 33, impurities such as other ions, rust, organic matters and the like in the turbine condensed water are removed to form desalted water, 304 stainless steel prevents the shell of the turbine condensed water precision filter 31 from being corroded, and a filter medium adopts modified high-temperature resistant deoiling fiber to control the particle size of oil, suspended matters and particles in water; the turbine condensate is further adsorbed by active carbon, and is treated by a turbine condensate mixed bed 33 after being treated by a turbine condensate precise filter 31 and an active carbon filter 32, so that the downstream turbine condensate mixed bed 33 is greatly protected, and the resin of the turbine condensate mixed bed 33 avoids organic pollution; desalted water formed by the process condensate treatment system 2 and the turbine condensate treatment system 3 enters a desalted water tank 12, and then is pumped into a desalted water heat exchanger through a desalted water pump 13, the temperature of the process condensate is raised while the desalted water is cooled in the desalted water heat exchanger, the heat utilization rate is improved, the cooled desalted water is sent to each process, 31% HCl acid liquor and 30% NaOH alkali liquor are respectively metered through an acid metering pump 43 and an alkali metering pump 44, and after diluted to proper concentrations, resins on the process condensate mixed bed 26 and the turbine condensate mixed bed 33 are regenerated, so that the production continuity is guaranteed.
The installation mode, the connection mode or the arrangement mode of all the components are welding, riveting or other common mechanical modes, wherein the sliding/rotating fixation is that the components do not fall off under the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the electric modules and the electric appliances are common electric appliances in the market, the electric modules and the electric appliances can be used only by being electrically connected with each other according to the use specifications bought from the market when the electric modules and the electric appliances are bought for use, and the control module is the common self-contained module, so the details are not repeated.
In the condensed water treatment apparatus for an ethylene plant of the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, right, front, rear, inner, and vertical, horizontal" and the like included in the terms only represent the orientation of the terms in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The ethylene device condensed water treatment device is characterized by comprising a process condensed water treatment system (2), a turbine condensed water treatment system (3) and a desalted water storage system (1);
the desalted water storage system (1) comprises a desalted water preheater (11), a desalted water tank (12) and a desalted water pump (13), wherein desalted water in the desalted water tank (12) is pumped into the desalted water preheater (11) by the desalted water pump (13) to exchange heat with process condensed water, and then the desalted water is sent to each procedure;
the process condensate treatment system (2) comprises a process condensate cooler (21), a process condensate water tank (22), a process condensate water pump (23), a process condensate water precision filter (24), a scanning condensation interception oil tank (25) and a process condensate water mixed bed (26) which are sequentially connected, wherein the process condensate water exchanges heat with desalted water in a desalted water preheater (11) to heat the process condensate water, the heated process condensate water enters the process condensate water cooler (21) to cool to stabilize the temperature of the process condensate water, the process condensate water is stored in the process condensate water tank (22), water in the process condensate water tank (22) is pumped into the process condensate water precision filter (24) and the scanning condensation interception oil tank (25) to remove impurities such as iron ions, rust, oil stains, organic matters and the like through the process condensate water pump (23), and then enters the process condensate water mixed bed (26) to remove other ions in the water, forming desalted water, and storing the desalted water in a desalted water tank (12);
the turbine condensate water treatment system (3) comprises a turbine condensate water precision filter (31), an activated carbon filter (32) and a turbine condensate water mixing bed (33) which are sequentially connected, wherein the turbine condensate water sequentially passes through the turbine condensate water precision filter (31) and the activated carbon filter (32) to remove impurities such as iron ions, rust and organic matters, then passes through the turbine condensate water mixing bed (33) to form desalted water, and then enters the desalted water tank (12) to be stored.
2. The apparatus for treating condensed water of an ethylene plant according to claim 1, further comprising a regeneration system (4), wherein the regeneration system (4) comprises a high-acid storage tank (41) and a high-alkali storage tank (42), the high-acid storage tank (41) and the high-alkali storage tank (42) are respectively provided with an acid metering pump (43) and an alkali metering pump (44), the acid metering pump (43) and the alkali metering pump (44) are respectively communicated with the process condensed water mixed bed (26) and the turbine condensed water mixed bed (33), and waste water generated by the process condensed water mixed bed (26) and the turbine condensed water mixed bed (33) is neutralized to a pH value in the range of 6 to 9 by a neutralization pond and then discharged.
3. The ethylene plant condensate treatment apparatus as claimed in claim 2, wherein said process condensate polishing filter (24) is made of 304 stainless steel material, and the filter medium is modified high temperature resistant degreasing fiber; the scanning condensation interception oil tank (25) is made of carbon steel materials, polyurea is sprayed on the inner wall of the scanning condensation interception oil tank, and the filter element is an ultra-fine polypropylene fiber oil removal filter element.
4. The apparatus for treating the condensed water of the ethylene device according to claim 3, wherein the process condensed water mixed bed (26) adopts a steel lining rubber, the thickness of the lining rubber is 5mm, the internal parts are made of stainless steel, D003NJ and D203NJ ion exchange resins are adopted, the filling ratio of the anion resin to the cation resin is 1: 1.
5. the ethylene plant condensed water treatment device according to claim 4, characterized in that the turbine condensed water precise filter (31) is made of stainless steel 304 material, and the filter medium is modified high temperature resistant oil removing fiber; the activated carbon filter (32) adopts steel lining rubber, the thickness of the lining rubber is 5mm, the internal part is made of stainless steel, and the filling height of the activated carbon is 2000 mm.
6. The apparatus for treating condensed water of ethylene unit as claimed in claim 5, wherein the high-acid storage tank (41) has an internal concentration of 31% HCl, and the high-base storage tank (42) has an internal concentration of 30% NaOH.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010750206.1A CN111777255A (en) | 2020-07-30 | 2020-07-30 | Ethylene device condensate water treatment facilities |
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| CN202010750206.1A CN111777255A (en) | 2020-07-30 | 2020-07-30 | Ethylene device condensate water treatment facilities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919670A (en) * | 2021-01-21 | 2021-06-08 | 倍杰特集团股份有限公司 | Condensed water recovery processing system and processing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204824510U (en) * | 2015-07-17 | 2015-12-02 | 中国大唐集团科技工程有限公司 | Condensate water greasy dirt recovery unit |
| CN108314241A (en) * | 2018-02-01 | 2018-07-24 | 国家能源投资集团有限责任公司 | Condensate polishing system and Ion exchange resin method |
-
2020
- 2020-07-30 CN CN202010750206.1A patent/CN111777255A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204824510U (en) * | 2015-07-17 | 2015-12-02 | 中国大唐集团科技工程有限公司 | Condensate water greasy dirt recovery unit |
| CN108314241A (en) * | 2018-02-01 | 2018-07-24 | 国家能源投资集团有限责任公司 | Condensate polishing system and Ion exchange resin method |
Non-Patent Citations (1)
| Title |
|---|
| 王霞芳: "化学水处理工艺设计浅析", 《资源节约与环保》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919670A (en) * | 2021-01-21 | 2021-06-08 | 倍杰特集团股份有限公司 | Condensed water recovery processing system and processing method thereof |
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