CN214829476U

CN214829476U - Condensed water deoiling device

Info

Publication number: CN214829476U
Application number: CN202121631117.1U
Authority: CN
Inventors: 张璟泰; 马红艳
Original assignee: XIAMEN LUHAI TECHNOLOGY ENGINEERING CO LTD
Current assignee: XIAMEN LUHAI TECHNOLOGY ENGINEERING CO LTD
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-11-23
Anticipated expiration: 2031-07-16

Abstract

The application discloses a condensed water deoiling device, which relates to the technical field of deoiling equipment and solves the problem that condensed water cannot be reasonably recycled, and comprises a pre-filtering tank and a deoiling tank, wherein the pre-filtering tank and the deoiling tank are used for allowing the condensed water to sequentially flow through; a porous ceramic filter layer for primarily filtering impurities is arranged in the pre-filtering tank; a blocking pipe for separating oil and water is arranged in the oil removing tank, an oil collecting tank is arranged at the top of the oil removing tank, and an oil discharge valve is arranged on the oil collecting tank; the upper end of the interception pipe is communicated with the oil collecting tank, the lower end of the interception pipe is communicated with a water inlet of the oil removing tank, and the oil removing tank is provided with a main drain valve. This application can filter recycle to the condensate water.

Description

Condensed water deoiling device

Technical Field

The application relates to the technical field of oil removing equipment, in particular to a condensed water oil removing device.

Background

In industrial production, steam is an extremely versatile energy source that has an integral link with almost all businesses. A large amount of industrial water and coal-based energy are used to produce steam, the heat of which is used to carry out the industrial process, and the steam releases part of the heat energy to produce condensed water.

At present, in some traditional manufacturing enterprises, a large amount of condensed water can not be reasonably recycled due to lack of precise filtration.

SUMMERY OF THE UTILITY MODEL

In order to carry out effectual reuse to the condensate water, this application provides a condensate water deoiling device.

The application provides a condensate deoiling device adopts following technical scheme:

a condensed water deoiling device comprises a prefilter tank and a deoiling tank, wherein condensed water sequentially flows through the prefilter tank and the deoiling tank; a porous ceramic filter layer for primarily filtering impurities is arranged in the pre-filtering tank; a blocking pipe for separating oil and water is arranged in the oil removing tank, an oil collecting tank is arranged at the top of the oil removing tank, and an oil discharge valve is arranged on the oil collecting tank; the upper end of the interception pipe is communicated with the oil collecting tank, the lower end of the interception pipe is communicated with a water inlet of the oil removing tank, and the oil removing tank is provided with a main drain valve.

By adopting the technical scheme, the condensed water sequentially passes through the prefilter tank and the oil removal tank, impurities such as iron and the like are removed through the porous ceramic filter layer, and the oil and the water are separated through the interception pipe; the separated condensed water is discharged from the main drain valve and can be repeatedly supplied to the water for the medium and low pressure boiler, so that the condensed water can be recycled.

Optionally, the pre-filtering tanks are arranged in two and are arranged in parallel.

By adopting the technical scheme, the two pre-filtering tanks are arranged in parallel and work simultaneously, so that the pre-filtering effect can be improved; during alternate operation, can be convenient for maintain the prefiltration jar.

Optionally, a fine filtering tank is connected between the pre-filtering tank and the oil removing tank, the pre-filtering tank is communicated with the fine filtering tank, and a fine filtering core is arranged in the fine filtering tank.

Through adopting above-mentioned technical scheme, the setting of essence jar can further filter suspension impurity.

Optionally, the pre-filtering tank is provided with a first water inlet valve, a forward washing drain valve and a first drain valve; the fine filtering tank is provided with a second water inlet valve, an emptying valve and a second drain valve which are connected with the first drain valve; the oil removing tank is provided with a third water inlet valve communicated with the second drain valve, a drain valve arranged at the bottom of the oil removing tank and a main drain valve.

By adopting the technical scheme, when the equipment is put into use, the equipment needs to be washed; opening a first water inlet valve, closing a first water discharge valve and simultaneously opening a forward washing water discharge valve, and sequentially performing forward washing on the two pre-filtering tanks; then closing the forward washing drain valve and the second drain valve, and opening the first drain valve, the second water inlet valve and the emptying valve; performing positive washing on the fine filtration tank; and finally, closing the emptying valve and the main drain valve, opening the second drain valve, the third water inlet valve and the oil drain valve, closing the oil drain valve after the oil drain valve discharges water, opening the drain valve, and performing normal washing.

Optionally, the pre-filter tank is provided with a backwash water inlet valve and a backwash water drain valve.

By adopting the technical scheme, after the pre-filtering tank works for a period of time, back washing is needed; closing a first water inlet valve and a first water discharge valve of the filter tank; and (4) opening the backwashing water inlet valve and the backwashing water discharge valve to perform backwashing on the prefiltering tank.

Optionally, the oil removing device further comprises a main water inlet pipe, the main water inlet pipe is connected with two branch pipes, and the two branch pipes are respectively connected with the two first water inlet valves; the main water inlet pipe is also connected with two backwashing pipes which are respectively connected with two backwashing water discharge valves.

Through adopting above-mentioned technical scheme, bleeder and backwash pipe all are connected in main inlet tube for when the back flush, need not additionally to connect the flush pump again.

Optionally, a first-stage oil collecting tank is arranged on the pre-filtering tank, and a first-stage oil discharging valve is arranged on the first-stage oil collecting tank.

Through adopting above-mentioned technical scheme, the one-level oil collecting tank can carry out preliminary concentrated discharge to the oil slick.

Optionally, a second-stage oil collecting tank is arranged on the fine filtering tank, and a second-stage oil discharging valve is arranged on the second-stage oil collecting tank.

Through adopting above-mentioned technical scheme, the second grade oil trap is further concentrated the discharge to the oil slick.

Optionally, an activated carbon layer is further disposed on the inner wall of the interception tube.

Through adopting above-mentioned technical scheme, the filter effect is further improved in the setting of activated carbon layer.

Optionally, the outer surfaces of the pre-filtering tank, the fine filter and the oil removing tank are wrapped with insulating layers.

Through adopting above-mentioned technical scheme, the heat loss of condensate water can be reduced in the setting of heat preservation.

In summary, the present application includes at least one of the following benefits:

1. after the condensed water sequentially passes through the pre-filtering tank, the fine filtering tank and the oil removing tank, oil is intensively discharged into the oil collecting tank, and the discharged condensed water can be supplied to a medium-low pressure boiler;

2. two pre-filtering tanks are arranged and are arranged in parallel; the pre-filtering tank can be alternately operated, so that the pre-filtering tank can be conveniently maintained;

3. after the pre-filtering tank works for a period of time; closing a first water inlet valve and a first water discharge valve of the filter tank; and (4) opening the backwashing water inlet valve and the backwashing water discharge valve to perform backwashing on the prefiltering tank.

Drawings

Fig. 1 is an overall schematic diagram of the present embodiment.

Description of reference numerals: 1. a pre-filtration tank; 11. a porous ceramic filter layer; 12. a first water inlet valve; 13. a first drain valve; 14. a positive washing drain valve; 15. backwashing the water inlet valve; 16. backwashing the drain valve; 17. a first-stage oil collecting tank; 171. a primary oil drain valve; 2. a fine filtration tank; 21. fine filtering; 22. a second water inlet valve; 23. a second drain valve; 24. an evacuation valve; 25. a second-stage oil collecting tank; 26. a secondary oil drain valve; 3. removing the oil tank; 31. an oil collecting tank; 311. an oil discharge valve; 32. a third water inlet valve; 33. a main drain valve; 34. a blowoff valve; 4. stopping the tube; 5. a main water inlet pipe; 51. a branch pipe; 52. the tube is washed back.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses condensate deoiling device. Referring to fig. 1, the oil removing apparatus includes a pre-filter tank 1, a fine filter tank 2, and an oil removing tank 3. A porous ceramic filter layer 11 is arranged in the pre-filtering tank 1. The fine filter tank 2 is internally provided with a fine filter element 21. The oil removing tank 3 is provided with a blocking pipe 4. An oil collecting tank 31 is arranged on the top of the oil removing tank 3. After passing through the respective tanks in sequence, the condensed water collectively discharges the oil into the oil collecting tank 31, and the discharged condensed water can be supplied to the medium-low pressure boiler.

Referring to fig. 1, the oil removing device further includes a main water inlet pipe 5. Two prefilter tanks 1 are provided. Two branch pipes 51 are connected to the main water inlet pipe 5. The pre-filtration tank 1 is connected to a first feed valve 12, and the first feed valve 12 is connected to a branch pipe 51. The pre-filtering tanks 1 are also connected with first drain valves 13, and the two first drain valves 13 of the two pre-filtering tanks 1 are converged and then connected with the fine filtering tank 2.

Referring to fig. 1, the oil removing device further includes a main water inlet pipe 5. Two prefilter tanks 1 are provided. Two branch pipes 51 are connected to the main water inlet pipe 5. The pre-filtration tank 1 is connected to a first feed valve 12, and the first feed valve 12 is connected to a branch pipe 51. The pre-filtering tanks 1 are also connected with first drain valves 13, and the two first drain valves 13 of the two pre-filtering tanks 1 are converged and then connected with the fine filtering tank 2. The pre-filter tank 1 is also provided with a forward washing drain valve 14.

And a second drain valve 23 is arranged on the fine filtering tank 2, and the two first drain valves 13 are connected with the second drain valve 23 after being converged by a pipeline. The fine filtering pipe is also provided with a second drain valve 23 and an emptying valve 24. The degreasing tank 3 is provided with a third water inlet valve 32 communicated with the second drain valve 23, a blowdown valve 34 mounted at the bottom, an oil drain valve 311 mounted on the degreasing tank 3, and a main drain valve 33.

Referring to fig. 1, when the oil removing apparatus is put into use, it is necessary to perform a normal washing of each tank. And (3) introducing water into the main water inlet pipe 5, opening the first water inlet valve 12, closing the first water discharge valve 13, and simultaneously opening the forward washing water discharge valve 14 to sequentially forward wash the two pre-filtering tanks 1. Then closing the forward washing drain valve 14 and the second drain valve 23, and opening the first drain valve 13, the second inlet valve 22 and the emptying valve 24; and (5) performing positive washing on the fine filtration tank 2. And finally, closing the emptying valve 24 and the main drain valve 33, opening the second drain valve 23, the third water inlet valve 32 and the oil drain valve 311, after the oil drain valve 311 discharges water, closing the oil drain valve 311, opening the drain valve 34, and performing normal washing. After the normal washing is completed in sequence, the main drain valve 33 can be opened and normally put into use.

Referring to fig. 1, the intercepting pipe 4 is detachably installed in the degreasing tank 3, and the intercepting pipe 4 can adopt an HKB-2 type tubular intercepting membrane degreasing unit, and can effectively intercept and separate hydrophobic dispersers such as oil in a suspended or emulsified state in the incoming water. The lower end of the interception pipe 4 is communicated with the water inlet of the oil removing tank 3, and the upper end thereof is communicated with the oil collecting tank 31. And an active carbon layer is also arranged on the inner wall of the interception pipe 4, so that the filtering effect is further improved.

Referring to fig. 1, after the pre-filter tank 1 is operated for a certain period of time, it is necessary to perform back-flushing on the inside thereof. Therefore, a backwash water inlet valve 15 and a backwash water discharge valve 16 are also installed on the pre-filter tank 1. Correspondingly, the main water inlet pipe 5 is connected with two backwashing pipes 52, and the two backwashing pipes 52 are respectively connected with the backwashing water inlet valve 15. Backwashing can be performed by closing the first water inlet valve 12 and the forward wash drain valve 14 and opening the backwash water inlet valve 15 and the backwash drain valve 16.

Referring to fig. 1, further, a first oil collecting tank 17 is installed on the pre-filtering tank 1, and correspondingly, a first oil discharging valve 171 is installed on the first oil collecting tank 17. The fine filtering tank 2 is provided with a second-stage oil collecting tank 25, and the second-stage oil collecting tank 25 is provided with a second-stage oil drain valve 26. The primary oil collecting tank 17 and the secondary oil collecting tank 25 can primarily collect and discharge the suspended oil in the incoming water.

In addition, the outer surfaces of the pre-filtering tank 1, the fine filter and the oil removing tank 3 are all wrapped with heat insulation layers so as to reduce the heat loss of condensed water. The heat-insulating layer can adopt a high-temperature-resistant calcium silicate layer.

The implementation principle of a condensate deoiling device of the embodiment of the application is as follows:

in the condensate deoiling process, the condensate enters the two parallel prefilter tanks 1 from the main water inlet pipe 5, and the condensate passes through the porous ceramic layer to filter part of suspended matters such as iron impurities. The condensed water enters the fine filtering tank 2, and suspended impurities in the condensed water are further filtered by a fine filtering core 21. Finally, the oil enters the oil removal tank 3, and oil and water are separated through a hydrophobic fiber interception film on the interception pipe 4. Oily substances are collected in the oil collecting tank 31 and can be discharged and treated in a concentrated manner, so that the pollution to the environment is reduced. The condensed water is discharged from the main drain valve 33 and can be used for medium and low pressure boiler water.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a condensate deoiling device which characterized in that: comprises a pre-filtering tank (1) and an oil removing tank (3) for condensed water to flow through in sequence; a porous ceramic filter layer (11) for primarily filtering impurities is arranged in the pre-filtering tank (1); a blocking pipe (4) for separating oil from water is arranged in the oil removing tank (3), an oil collecting tank (31) is arranged at the top of the oil removing tank (3), and an oil discharge valve (311) is arranged on the oil collecting tank (31); the upper end of the interception pipe (4) is communicated with the oil collecting tank (31), the lower end of the interception pipe (4) is communicated with a water inlet of the oil removing tank (3), and the oil removing tank (3) is provided with a main drain valve (33).

2. The apparatus according to claim 1, wherein: the pre-filtering tanks (1) are arranged in parallel.

3. The apparatus according to claim 2, wherein: a fine filtering tank (2) is connected between the pre-filtering tank (1) and the oil removing tank (3), the pre-filtering tank (1) is communicated with the fine filtering tank (2), and a fine filtering core (21) is arranged in the fine filtering tank (2).

4. The apparatus according to claim 3, wherein: the pre-filtering tank (1) is provided with a first water inlet valve (12), a forward washing drain valve (14) and a first drain valve (13); the fine filtering tank (2) is provided with a second water inlet valve (22), an exhaust valve (24) and a second drain valve (23) which are connected with the first drain valve (13); the oil removing tank (3) is provided with a third water inlet valve (32) communicated with the second drain valve (23), a drain valve (34) arranged at the bottom of the oil removing tank (3) and a main drain valve (33).

5. The apparatus according to claim 4, wherein: the pre-filtering tank (1) is provided with a backwashing water inlet valve (15) and a backwashing water discharge valve (16).

6. The apparatus according to claim 5, wherein: the oil removing device also comprises a main water inlet pipe (5), the main water inlet pipe (5) is connected with two branch pipes (51), and the two branch pipes (51) are respectively connected with the two first water inlet valves (12); the main water inlet pipe (5) is also connected with two backwashing pipes (52), and the two backwashing pipes (52) are respectively connected with two backwashing drain valves (16).

7. The apparatus according to claim 1, wherein: a primary oil collecting tank (17) is arranged on the prefilter tank (1), and a primary oil discharge valve (171) is arranged on the primary oil collecting tank (17).

8. The apparatus according to claim 3, wherein: the fine filtering tank (2) is provided with a second-stage oil collecting tank (25), and the second-stage oil collecting tank (25) is provided with a second-stage oil discharging valve (26).

9. The apparatus according to claim 1, wherein: and the inner wall of the interception pipe (4) is also provided with an activated carbon layer.

10. The apparatus according to claim 3, wherein: the outer surfaces of the pre-filtering tank (1), the fine filter and the oil removing tank (3) are all wrapped with heat insulating layers.