CN220432548U - Device for improving reverse osmosis productivity - Google Patents
Device for improving reverse osmosis productivity Download PDFInfo
- Publication number
- CN220432548U CN220432548U CN202321649382.1U CN202321649382U CN220432548U CN 220432548 U CN220432548 U CN 220432548U CN 202321649382 U CN202321649382 U CN 202321649382U CN 220432548 U CN220432548 U CN 220432548U
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- China
- Prior art keywords
- heat exchange
- raw water
- reverse osmosis
- pipe
- steam condensate
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000012528 membrane Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the technical field of reverse osmosis systems, and particularly discloses a device for improving reverse osmosis productivity, which comprises a heat exchange box, a raw water pipe and a steam condensate pipe, wherein a heat exchange structure is arranged in the heat exchange box and used for heating raw water, the raw water pipe and the steam condensate pipe are respectively communicated with the heat exchange box and used for introducing raw water and steam condensate, the heat exchange structure is communicated with the steam condensate pipe, the heat exchange box is communicated with a flow pipe used for enabling heated raw water to circulate, a control unit used for detecting the temperature of the heated raw water and controlling the on-off of the flow pipe is further arranged in the heat exchange box, the other end of the flow pipe is communicated with a reverse osmosis device, and the free end of the reverse osmosis device is communicated with a precision filter.
Description
Technical Field
The application relates to the technical field of reverse osmosis systems, and particularly discloses a device for improving reverse osmosis productivity.
Background
Reverse osmosis is a membrane separation technology which takes pressure as driving force by means of the working force of a selective permeable membrane, and meanwhile, a large amount of waste heat of steam condensate is not utilized during production.
Under normal conditions, the water inlet temperature of the reverse osmosis membrane is 5-45 ℃, when the temperature reaches a limiting temperature, raw water is introduced into a reverse osmosis device, and desalted water is obtained by the reverse osmosis device. However, too low a temperature increases the risk of freezing the system, and too low a water yield, poor economics. It is therefore not recommended to start the reverse osmosis system in the case of water temperatures below 5 ℃; and above 45 ℃, the water yield of the reverse osmosis membrane is too large, and the reverse osmosis membrane is damaged, so that the risk of pollution of desalted water exists. In general, the temperature of the steam condensate is higher than the water inlet temperature range, and the raw water can be heated by using the heat energy of the steam condensate, and meanwhile, the yield of desalted water is increased as the temperature is higher in the water inlet temperature control range, so that the yield of desalted water is increased and the steam condensate is utilized, the inventor has provided a device for improving the reverse osmosis productivity in order to solve the problems.
Disclosure of Invention
The utility model aims to solve the problems that the existing reverse osmosis device does not reasonably utilize and control the waste heat of steam condensate, wastes energy and ensures that the yield of desalted water is low.
In order to achieve the above purpose, the basic scheme of the utility model provides a device for improving reverse osmosis productivity, which comprises a heat exchange box internally provided with a heat exchange structure and used for heating raw water, and a raw water pipe and a steam condensate pipe which are respectively communicated with the heat exchange box and respectively used for introducing raw water and high-temperature steam condensate, wherein the steam condensate pipe is communicated with the heat exchange structure and used for heating raw water, the heat exchange box is communicated with a flow pipe used for discharging heated raw water, an induction piece used for detecting the temperature of heated raw water is arranged in the heat exchange box, the induction piece is electrically connected with a control piece used for receiving an output signal of the induction piece and controlling the on-off of the flow pipe, the other end of the flow pipe is communicated with a reverse osmosis device, and the reverse osmosis device is also communicated with a precision filter.
The principle and effect of this basic scheme lie in:
compared with the prior art, the utility model utilizes the waste heat of the steam condensate to heat the raw water through the cooperation of the heat exchange box, the heat exchange structure, the raw water pipe, the steam condensate pipe and the runner pipe, so that the raw water reaches a specified water inlet temperature range, and the function of producing desalted water is realized through the reverse osmosis device.
According to the utility model, raw water and steam condensate are respectively introduced through the steam condensate pipe and the raw water pipe, and the monitoring and control effects of the sensing piece and the control piece are matched, so that raw water reaches higher water inlet temperature in a water inlet range, and the effect of improving the productivity of the reverse osmosis device is achieved, and the problems that the traditional reverse osmosis device does not reasonably utilize and control the waste heat of the steam condensate, needs to adopt a heating electric element for heating, wastes energy and ensures that the yield of desalted water is not high are solved. And the quality of desalted water is higher by matching with the filtering effect of the precision filter.
Further, the heat exchange structure is a stainless steel heat exchange tube. The heat exchange tube of the heat exchange tube made of stainless steel has high heat exchange effect, is not easy to corrode and has long service life.
Further, the stainless steel heat exchange tube is in a threaded shape. The contact area between the threaded stainless steel heat exchange tube and raw water can be increased, so that the heat exchange efficiency is higher.
Further, the other end of the stainless steel heat exchange tube is communicated with a liquid storage tube, and the other end of the liquid storage tube is communicated with an intermediate water tank for collecting steam condensate after heat exchange. The intermediate water tank is convenient for store the steam condensate after the heat transfer through setting up, is convenient for preserve the waste heat of steam condensate simultaneously.
Further, the middle water tank is communicated with a return pipe, the other end of the return pipe is communicated with the heat exchange tank, steam condensate of the return pipe is not contacted with raw water, and a control valve is arranged in the return pipe. When the raw water of the heat exchange box still does not reach the better water inlet temperature after heat exchange of the steam condensate, and the temperature of the raw water is higher than the highest limit range by continuing to pass through the steam condensate, the waste heat of the steam condensate stored in the middle water tank can be utilized to carry out secondary heating on the raw water, and the flow is controlled by the control valve, so that the water inlet temperature of the raw water is better, the steam condensate of the return pipe is not contacted with the raw water, and the raw water is not polluted.
Further, a heat preservation structure for preserving heat of the steam condensate is arranged in the middle water tank, and waste heat of the steam condensate is preserved through the heat preservation structure.
Further, the sensing piece is a temperature sensor for sensing the temperature of the raw water after heat exchange, and the control piece comprises a controller electrically connected with the temperature sensor and a one-way valve arranged in the runner pipe and controlled by the controller. The temperature sensor senses the temperature of raw water, and when the temperature is proper, the one-way valve is controlled to be opened, so that the heated raw water is introduced into the reverse osmosis device through the flow pipe, and desalted water is extracted.
Further, the precision filter comprises an active carbon filter element and a plurality of filter holes arranged on the active carbon filter element. Further purifying by an active carbon filter element.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of an apparatus for enhancing reverse osmosis productivity according to an embodiment of the present application.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a steam condensate pipe 1, a raw water pipe 2, an intermediate water tank 3, a stainless steel heat exchange pipe 4, a temperature sensor 5, a runner pipe 6, a reverse osmosis device 7, a precision filter 8, a heat exchange box 9, a liquid storage pipe 10 and a one-way valve 11.
An apparatus for enhancing reverse osmosis productivity, in accordance with the embodiment shown in fig. 1: including inside be provided with heat exchange structure and be used for heating the heat exchange box 9 of raw water, preferably, heat exchange structure is stainless steel heat exchange tube 4, stainless steel heat exchange tube 4's shape is the heliciform, the other end intercommunication of stainless steel heat exchange tube 4 has stock solution pipe 10, the stock solution pipe 10 other end intercommunication has the intermediate tank 3 that is used for collecting the steam condensate after the heat transfer, the inside of intermediate tank 3 is provided with insulation structure, preferably, insulation structure is polyurethane heated board, keep warm through insulation structure to the waste heat of steam condensate, intermediate tank 3 intercommunication has the back flow, the back flow other end communicates with heat exchange box 9, the steam condensate of back flow does not contact with raw water, be equipped with the control valve in the back flow, after the raw water of heat exchange box 9 passes through the steam condensate heat transfer, and when the continuous steam condensate can make the raw water temperature be higher than the highest limit scope, can utilize the waste heat of the steam condensate who stores in intermediate tank 3 to carry out the secondary heating, and utilize the control valve control flow, thereby the raw water temperature of intaking of back flow is better, thereby the steam condensate of back flow does not contact with raw water, thereby cause pollution to raw water.
The heat exchange box 9 is also internally and respectively communicated with a raw water pipe 2 for introducing raw water into the heat exchange box 9 and a steam condensate pipe 1 for introducing steam condensate, and the raw water pipe 2 and the steam condensate pipe 1 are both communicated with control valves for controlling flow, and the control valves are controlled by a control unit. The stainless steel heat exchange tube 4 is communicated with the steam condensate tube 1, the heat exchange box 9 is also communicated with a runner tube 6 for enabling heated raw water to circulate, a control unit for detecting the temperature of the heated raw water and controlling the on-off of the runner tube 6 is further arranged on the heat exchange box 9, the control unit comprises a temperature sensor 5 for sensing the temperature of the heated raw water, and the temperature sensor 5 is preferably a waterproof temperature sensor. The controller is electrically connected with the temperature sensor 5, the controller is positioned outside the heat exchange box 9, and the one-way valve 11 which is arranged in the runner pipe 6 and controlled by the controller is arranged, the control valve and the one-way valve 11 are controlled by the controller, when the temperature sensor 5 senses that the temperature of raw water is too high, raw water is introduced into the raw water for cooling by opening the control valve of the raw water pipe 2, so that better water inlet temperature is achieved, and the yield of desalted water is improved. When the temperature sensor 5 senses that the temperature of the raw water is too low, the control valve of the steam condensate is opened to heat the raw water again. By implementing the utility model, the water yield of I can be increased from 16m to 22 m.
The other end of the flow pipe 6 is communicated with a reverse osmosis device 7, the free end of the reverse osmosis device 7 is communicated with a precision filter 8, the precision filter 8 comprises an activated carbon filter element and a plurality of filter holes arranged on the activated carbon filter element, and desalted water is further purified through the activated carbon filter element.
The application process of the utility model is as follows:
step S001: firstly, raw water and steam condensate are respectively introduced into a heat exchange box;
step S002: the heat exchange structure is matched with the middle water tank to heat raw water, after the temperature sensor 5 senses proper water inlet temperature, the one-way valve 11 is opened, and the heated raw water is introduced into the reverse osmosis device;
step S003: desalted water is produced by reverse osmosis unit 7 and tight filter 8 and filtered.
The utility model solves the problems that the existing reverse osmosis device does not reasonably utilize and control the waste heat of the steam condensate, wastes energy and ensures that the yield of desalted water is not high.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (8)
1. The utility model provides a promote reverse osmosis productivity's device, its characterized in that, including inside be provided with heat exchange structure and be used for heating the heat exchange case of raw water, all communicate with the heat exchange case respectively and be used for letting in raw water and high temperature steam condensate's former water pipe and steam condensate pipe respectively, steam condensate pipe and heat exchange structure intercommunication and be used for heating raw water, the heat exchange case intercommunication has the runner pipe that is used for heating back raw water exhaust, be equipped with the induction piece that is used for detecting the raw water temperature after heating in the heat exchange case, the induction piece electricity is connected with the control piece that is used for receiving induction piece output signal and control runner pipe break-make, the other end intercommunication of runner pipe has reverse osmosis unit, reverse osmosis unit still communicates there is the precision filter.
2. The apparatus of claim 1, wherein the heat exchange structure is a stainless steel heat exchange tube.
3. The apparatus of claim 2, wherein the stainless steel heat exchange tube is threaded.
4. A device for improving reverse osmosis productivity according to claim 3, wherein the other end of the stainless steel heat exchange tube is communicated with a liquid storage tube, and the other end of the liquid storage tube is communicated with an intermediate water tank for collecting steam condensate after heat exchange.
5. The device for improving reverse osmosis productivity according to claim 4, wherein the middle water tank is communicated with a return pipe, the other end of the return pipe is communicated with the heat exchange tank, the steam condensate of the return pipe is not contacted with raw water, and a control valve is arranged in the return pipe.
6. The device for improving reverse osmosis productivity according to claim 5, wherein the middle water tank and the heat exchange tank are provided with heat insulation structures for heat insulation of steam condensate.
7. The apparatus for increasing reverse osmosis capacity according to claim 1, wherein the sensing member is a temperature sensor for sensing the temperature of the raw water after heat exchange, and the control member comprises a controller electrically connected to the temperature sensor, and a check valve disposed in the flow pipe and controlled by the controller.
8. The apparatus for increasing reverse osmosis productivity according to claim 1, wherein the precision filter comprises an activated carbon filter element and a plurality of filter holes arranged on the activated carbon filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321649382.1U CN220432548U (en) | 2023-06-27 | 2023-06-27 | Device for improving reverse osmosis productivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321649382.1U CN220432548U (en) | 2023-06-27 | 2023-06-27 | Device for improving reverse osmosis productivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220432548U true CN220432548U (en) | 2024-02-02 |
Family
ID=89704202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321649382.1U Active CN220432548U (en) | 2023-06-27 | 2023-06-27 | Device for improving reverse osmosis productivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220432548U (en) |
-
2023
- 2023-06-27 CN CN202321649382.1U patent/CN220432548U/en active Active
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