CN211226624U

CN211226624U - Multistage fluid heat exchange reverse osmosis anti-scaling device

Info

Publication number: CN211226624U
Application number: CN201922248680.XU
Authority: CN
Inventors: 颜华志
Original assignee: Dongguan Zhihe Electromechanical Equipment Co ltd
Current assignee: Dongguan Zhihe Electromechanical Equipment Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-11
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a multistage fluid heat exchange reverse osmosis anti fouling device, including closed interchanger and removable interchanger, form pure water circulation circuit between the refrigerant passageway of closed interchanger and the heat medium passageway of removable interchanger, be provided with the pure water pump that is used for making the fluid circulation in the pure water circulation circuit flow on the pure water circulation circuit, the fluid in the pure water circulation circuit is the pure water to avoid producing the incrustation scale at the inner wall of closed interchanger. The utility model discloses an after exchanging the heat with reverse osmosis pure water and air compressor machine lubricating oil in closed interchanger, again with the domestic water heat exchange in removable interchanger, final domestic water takes away the heat. After the calcium and magnesium ion scale substances in the domestic water form scale in the detachable exchanger, the detachable exchanger is detached for cleaning. And reverse osmosis purified water is used for exchanging with the lubricating oil of the air compressor in the closed exchanger, so that calcium and magnesium ion scale is avoided.

Description

Multistage fluid heat exchange reverse osmosis anti-scaling device

Technical Field

The utility model belongs to the technical field of waste heat recovery system technique and specifically relates to a multistage fluid heat exchange reverse osmosis anti fouling device is related to.

Background

The waste heat recovery system of the air compressor generally comprises an air compressor, an air compressor lubricating oil pipe, a closed exchanger and a domestic water pipe. The air compressor pressurizes and heats the lubricating oil, the pressurized and heated lubricating oil is sent into the closed exchanger through the air compressor lubricating oil pipe, and then the domestic water in the domestic water pipe exchanges heat with the air compressor lubricating oil in the closed exchanger, so that the domestic water takes away the heat;

however, in the closed exchanger, air compressor machine lubricating oil exchanges the heat with domestic water, and contains calcium magnesium ion incrustation scale material in the domestic water, and through a period of time, closed exchanger inner wall has one deck incrustation scale material, influences heat exchange effect, and more serious is closed exchanger incrustation scale and blocks up, then needs the closed exchanger of renewal, and removable exchanger's withstand voltage value is not enough, can't directly use on the waste heat recovery equipment of air compressor machine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a multistage fluid heat exchange reverse osmosis anti fouling device, the technical problem of its solution is air compressor machine lubricating oil and domestic water exchange heat, and contain calcium magnesium ion incrustation scale material in the domestic water, and through a period, closed interchanger inner wall has one deck incrustation scale material, influences the heat exchange effect, more serious is closed interchanger incrustation scale and blocks up, then need more the closed interchanger of renewal, and the withstand voltage value of removable interchanger is not enough, can't directly use on the waste heat recovery equipment of air compressor machine.

In order to solve the technical problem existing in the above, the utility model discloses a following scheme:

a multistage fluid heat exchange reverse osmosis anti-scaling device is characterized in that: including closed exchanger (1) and removable exchanger (2), the refrigerant export of closed exchanger (1) with the heat medium import intercommunication of removable exchanger (2), the heat medium export of removable exchanger (2) with the refrigerant import intercommunication of closed exchanger (1), make the refrigerant passageway of closed exchanger (1) with form pure water circulation circuit between the heat medium passageway of removable exchanger (2), be provided with on the pure water circulation circuit and be used for making pure water circulation's in the pure water circulation circuit pure water pump (3) that flows, fluid in the pure water circulation circuit is the pure water, thereby avoids being in the incrustation scale is produced to the inner wall of closed exchanger (1).

Furthermore, a heating medium channel of the closed exchanger (1) is communicated with a lubricating oil pipe (4) of the air compressor (14), a cooling medium channel of the detachable exchanger (2) is communicated with a domestic water pipe (5), and a domestic water pump (15) is arranged on the domestic water pipe (5).

Further, the purified water pump (3) is a built-in shield pump.

Further, a water inlet is formed in the purified water circulation loop and communicated with a water source, and reverse osmosis purified water equipment is arranged between the water inlet and the water source.

Further, the water source is a tap water pipe.

Further, reverse osmosis pure water equipment includes multistage membrane filtration unit and overhead tank (11), multistage membrane filtration unit is leading PP in proper order and crosses filter pulp (6), leading active carbon (7), rearmounted PP and cross filter pulp (8), RO reverse osmosis membrane (9) and rearmounted active carbon (10).

Further, a one-way check valve (12) is arranged between the reverse osmosis water purification equipment and the water inlet, and the purified water is prevented from flowing back to the reverse osmosis water purification equipment.

Furthermore, a domestic water circulation loop is formed between the domestic water pipe (5) and the heat preservation water tank (13) through a refrigerant channel of the detachable exchanger (2), and a lubricating oil circulation loop is formed between the lubricating oil pipe (4) and the air compressor (14) through a heat medium channel of the closed exchanger (1).

Further, the flow direction of the purified water in the purified water circulation loop and the flow direction of the domestic water in the domestic water circulation loop in the detachable exchanger (2) are opposite.

Further, the flow direction of the purified water in the purified water circulation loop is opposite to the flow direction of the lubricating oil in the lubricating oil circulation loop in the closed exchanger (1).

The multistage fluid heat exchange reverse osmosis antiscaling device has the following beneficial effects:

the utility model discloses multistage fluid heat exchange reverse osmosis anti fouling device is through in closed interchanger with reverse osmosis pure water and air compressor machine lubricating oil exchange heat after, has thermal reverse osmosis pure water and exchanges with the domestic water in removable interchanger again, and final domestic water takes away the heat. Calcium magnesium ion incrustation scale material in the domestic water after the incrustation scale is formed in removable exchanger, take apart removable exchanger and wash can, and exchange with reverse osmosis pure water and air compressor machine lubricating oil in closed exchanger, do not have calcium magnesium ion incrustation scale, can not influence the result of use and the life-span of closed exchanger.

Drawings

FIG. 1: the utility model discloses a schematic diagram of a multistage fluid heat exchange reverse osmosis antiscaling device;

FIG. 2: the utility model discloses multistage fluid heat exchange reverse osmosis scale control device uses the schematic diagram.

Description of reference numerals:

1-closed exchanger; 2-removable exchanger; 3-a purified water pump; 4-lubricating oil pipe; 5-domestic water pipe; 6-PP filter cotton is arranged in front; 7-preposed active carbon; 8, post-placing PP filter cotton; 9-RO reverse osmosis membrane; 10-post active carbon; 11-pressure tank; 12-one-way check valve; 13-a heat preservation water tank; 14-an air compressor; 15-domestic water pump.

Detailed Description

The present invention will be further explained with reference to fig. 1 and 2 below:

as shown in fig. 1 and fig. 2, the multistage fluid heat exchange reverse osmosis antiscale device comprises a closed exchanger 1 and a detachable exchanger 2, wherein a heat medium channel of the closed exchanger 1 is communicated with a lubricating oil pipe 4 of an air compressor 14, so that a lubricating oil circulation loop is formed between the heat medium channel of the closed exchanger 1 and the air compressor 14 through the lubricating oil pipe 4;

the refrigerant channel of the detachable exchanger 2 is communicated with the domestic water pipe 5, so that the detachable exchanger 2 forms a domestic water circulation loop between the domestic water pipe 5 and the heat preservation water tank 13, and the domestic water pipe 5 is provided with a domestic water pump 15;

refrigerant export of closed interchanger 1 and heat medium import intercommunication of removable interchanger 2, refrigerant import of closed interchanger 1 and heat medium export intercommunication of removable interchanger 2 for form the pure water circulation return circuit between refrigerant passageway of closed interchanger 1 and the heat medium passageway of removable interchanger 2, the fluid in the pure water circulation return circuit is the pure water, thereby avoid producing the incrustation scale at the inner wall of closed interchanger 1, be provided with the pure water pump 3 that is used for making the pure water circulation flow in the pure water circulation return circuit on the pure water circulation return circuit, pure water pump 3 is built-in canned shielding pump.

Be provided with the water inlet on the pure water circulation loop of closed interchanger 1 and removable interchanger 2 outside, water inlet and water pipe or other water source intercommunication are provided with reverse osmosis water purification unit between water inlet and the water pipe mouth of pipe, are provided with one-way check valve 12 between reverse osmosis water purification unit and the water inlet, prevent that the pure water from flowing back to reverse osmosis water purification unit direction.

Reverse osmosis water purification unit includes multistage membrane filtration unit and overhead tank 11, and multistage membrane filtration unit is leading PP in proper order and crosses filter pulp 6, leading active carbon 7, rearmounted PP and crosses filter pulp 8, RO reverse osmosis membrane 9 and rearmounted active carbon 10, and overhead tank 11 sets up at last stage membrane filtration unit, and rearmounted active carbon 10 is preceding promptly.

The flow direction of the purified water in the purified water circulation loop is opposite to that of the domestic water in the domestic water circulation loop in the detachable exchanger 2, and the flow direction of the purified water in the purified water circulation loop is opposite to that of the lubricating oil in the lubricating oil circulation loop in the closed exchanger 1, so that the heat exchange is facilitated.

The working principle of the utility model is as follows:

the tap water flowing out of the tap water pipe forms purified water after passing through reverse osmosis purification equipment, the purified water flows into a purified water circulation loop through a one-way check valve 12, and the purified water circularly flows in the purified water circulation loop under the action of an internal shield pump; the air compressor 14 heats lubricating oil under pressure and then sends the lubricating oil into the closed exchanger 1 through the lubricating oil pipe 4, after the lubricating oil exchanges heat with purified water flowing through the closed exchanger 1, the purified water with heat exchanges heat with domestic water in the detachable exchanger 2, and finally the domestic water in the domestic water pipe 5 takes away the heat.

After the calcium and magnesium ion scale substances of the domestic water form scale in the detachable exchanger 2, the detachable exchanger 2 is detached for cleaning; and the pure water without calcium and magnesium ions used for heat exchange in the closed exchanger 1 can not form scale in the closed exchanger 1, thereby not influencing the use effect and the service life of the closed exchanger 1.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. A multistage fluid heat exchange reverse osmosis anti-scaling device is characterized in that: including closed exchanger (1) and removable exchanger (2), the refrigerant export of closed exchanger (1) with the heat medium import intercommunication of removable exchanger (2), the heat medium export of removable exchanger (2) with the refrigerant import intercommunication of closed exchanger (1), make the refrigerant passageway of closed exchanger (1) with form pure water circulation circuit between the heat medium passageway of removable exchanger (2), be provided with on the pure water circulation circuit and be used for making pure water circulation's in the pure water circulation circuit pure water pump (3) that flows, fluid in the pure water circulation circuit is the pure water, thereby avoids being in the incrustation scale is produced to the inner wall of closed exchanger (1).

2. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 1, wherein: the hot medium passageway of closed interchanger (1) and lubricating oil pipe (4) intercommunication of air compressor (14), the refrigerant passageway and domestic water pipe (5) intercommunication of removable interchanger (2), be provided with domestic water pump (15) on domestic water pipe (5).

3. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 1, wherein: the purified water pump (3) is a built-in shield pump.

4. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 1, wherein: the purified water circulation loop is provided with a water inlet which is communicated with a water source, and reverse osmosis purified water equipment is arranged between the water inlet and the water source.

5. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 4, wherein: the water source is a tap water pipe.

6. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 4, wherein: reverse osmosis pure water equipment includes multistage membrane filtration unit and overhead tank (11), multistage membrane filtration unit is leading PP in proper order and crosses filter pulp (6), leading active carbon (7), rearmounted PP and cross filter pulp (8), RO reverse osmosis membrane (9) and rearmounted active carbon (10).

7. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 4, wherein: the reverse osmosis water purification equipment with be provided with one-way check valve (12) between the water inlet, prevent that the pure water to reverse osmosis water purification equipment direction backward flow.

8. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 2, wherein: the refrigerant channel of the detachable exchanger (2) passes through a domestic water circulation loop formed between the domestic water pipe (5) and the heat preservation water tank (13), and the heat medium channel of the closed exchanger (1) passes through the lubricating oil pipe (4) and a lubricating oil circulation loop formed between the air compressor (14).

9. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 8, wherein: the flow direction of the purified water in the purified water circulation loop is opposite to that of the domestic water in the domestic water circulation loop in the detachable exchanger (2).

10. The multi-stage fluid heat exchange reverse osmosis scale control device of claim 9, wherein: the flow direction of the purified water in the purified water circulation loop is opposite to the flow direction of the lubricating oil in the lubricating oil circulation loop in the closed type exchanger (1).