Industrial water system

Abstract

The utility model belongs to the technical field of industrial equipment, and discloses an industrial water system which comprises a heat exchanger, a high-temperature condensed water inlet pipeline, a low-temperature heat exchange pipeline, a low-temperature condensed water outlet pipeline, a high-temperature water supply pipeline, a cooling water tank, a humidifier, an industrial water device and a workshop water supply pipeline. A heat release runner and a heat absorption runner are arranged in the heat exchanger. And the high-temperature condensed water inlet pipeline is communicated to an inlet of the heat release runner. The low-temperature heat exchange pipeline communicates with an inlet of the heat absorption runner. One end of the low-temperature condensed water outlet pipeline is communicated with an outlet of the heat release runner. One end of the high-temperature water supply pipeline communicates with outlets of the heat absorption runners. The cooling water tank is at least partially buried underground, and the other end of the low-temperature condensed water outlet pipeline is communicated to the cooling water tank. And the high-temperature water supply pipeline is communicated with a water inlet of the humidifier and / or a water inlet of the industrial water device. One end of the workshop water supply pipeline is communicated with the cooling water tank.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial equipment, in particular to an industrial water system. Background Art

[0002] Many modern factories use steam as one of the important energy sources for their production processes. The high-temperature steam condensate produced is directly discharged into the municipal sewage network as sewage after cooling treatment, resulting in a huge waste of water resources and heat. Secondly, directly using municipal water to make pure water will produce a large amount of wastewater, which will also cause a waste of water resources. In addition, the factory's air-conditioning system heats the humidification water to evaporate and produce water vapor to humidify the inside of the factory or for winter domestic water, winter air conditioning heating and other industrial water. The cold water needs to be heated. A large amount of heat is consumed when heating the humidification water and industrial water. This part of the heat is usually provided by electric heating, which has high operating costs and wastes resources.

[0003] Therefore, an industrial water system is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an industrial water system to reduce water resource consumption and the operating energy consumption of a humidifier or an industrial water device.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] An industrial water system, comprising:

[0007] A heat exchanger, wherein a heat releasing channel and a heat absorbing channel are arranged therein;

[0008] A high-temperature condensate water inlet pipeline connected to the inlet of the heat release flow channel;

[0009] A low-temperature heat exchange pipeline connected to the inlet of the heat absorption channel;

[0010] A low-temperature condensate outlet pipeline, one end of which is connected to the outlet of the heat release flow channel;

[0011] A high-temperature water supply pipeline, one end of which is connected to the outlet of the heat absorption flow channel, and the other end of which is connected to the water inlet of the humidifier and / or the water inlet of the industrial water device;

[0012] A cooling water pool, which is at least partially buried below the ground, and the other end of the low-temperature condensate outlet pipeline is connected to the cooling water pool;

[0013] The workshop water supply pipeline has one end connected to the cooling water pool and the other end supplies water to the workshop.

[0014] As a preference, it also includes:

[0015] A variable frequency circulation pump, which is arranged on the low-temperature heat exchange pipeline;

[0016] A first temperature sensor and a second temperature sensor, wherein the first temperature sensor is arranged on the low-temperature condensate outlet pipeline, and the second temperature sensor is arranged on the high-temperature water supply pipeline, and both the first temperature sensor and the second temperature sensor are communicatively connected with the variable frequency circulation pump.

[0017] Preferably, a partition is provided in the cooling water pool, and the partition separates the cooling water pool into a transition pool and a water storage pool. When the water level in the transition pool is higher than the partition, the water in the transition pool can enter the water storage pool through the top of the partition, and the other end of the low-temperature condensate outlet pipeline is connected to the transition pool, and one end of the workshop water supply pipeline is connected to the water storage pool.

[0018] Preferably, the outlet of the low-temperature condensate outlet pipeline is arranged at the bottom of the transition tank.

[0019] Preferably, the water inlet of the workshop water supply pipeline is arranged at the bottom of the water reservoir and a flow meter is provided on the workshop water supply pipeline.

[0020] Preferably, a calorimeter is provided between the low-temperature heat exchange pipeline and the high-temperature water supply pipeline.

[0021] Preferably, the cooling water pool is provided with a cover, and the cover is arranged on the pool opening of the cooling water pool.

[0022] Preferably, the cover is provided with a vent hole.

[0023] Preferably, a vent pipe is provided on the cover, the vent hole is an inner hole of the vent pipe, and the top end of the vent pipe is bent downward.

[0024] As a preference, it also includes:

[0025] A low-temperature water main pipe, wherein one end of the high-temperature water supply pipeline away from the heat exchanger is connected to the low-temperature water main pipe;

[0026] A low-temperature water supply pipeline, wherein the low-temperature water main can be connected to the water inlet of the humidifier and / or the water inlet of the industrial water device through the low-temperature water supply pipeline, and a third temperature sensor is arranged on the low-temperature water supply pipeline, and the third temperature sensor is communicatively connected to the variable frequency circulation pump.

[0027] Beneficial effects of the utility model:

[0028] The industrial water system provided by the utility model supplies the high-temperature steam condensate generated in industrial production to the heat exchanger through the high-temperature condensate inlet pipeline, and uses the high-temperature condensate in the high-temperature condensate inlet pipeline to preheat the low-temperature water in the low-temperature heat exchange pipeline through the heat exchanger, and the high-temperature water formed after the preheating of the low-temperature water is provided to the humidifier and the industrial water device, thereby reducing the electric heating power consumption of the humidifier and the industrial water device, thereby reducing energy consumption and operating costs. The low-temperature condensate formed after the high-temperature condensate is cooled is discharged to the cooling pool through the low-temperature condensate outlet pipeline. The cooling pool at least partially buried below the ground can further cool the low-temperature condensate, and the further cooled condensate is provided to the factory workshop through the workshop water supply pipeline, which can be used as a pure water source or other water sources for in-plant water, thereby reducing the water resource consumption of the factory workshop. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of an industrial water system provided by an embodiment of the utility model.

[0030] In the figure:

[0031] 100. Humidifier; 200. Industrial water device; 300. Ground;

[0032] 11. heat exchanger; 111. heat release channel; 112. heat absorption channel;

[0033] 12. High-temperature condensate water inlet pipeline;

[0034] 13. Low temperature heat exchange pipeline;

[0035] 14. Low-temperature condensate outlet pipeline;

[0036] 15. High temperature water supply pipeline; 151. Calorimeter;

[0037] 16. Cooling pool; 161. Partition plate; 162. Transition pool; 163. Reservoir; 164. Cover; 165. Ventilation pipe;

[0038] 17. Water supply pipeline for workshop; 171. Flow meter;

[0039] 18. Frequency conversion circulation pump;

[0040] 191, a first temperature sensor; 192, a second temperature sensor; 193, a third temperature sensor;

[0041] 20. Low temperature water main;

[0042] 21. Low temperature water supply pipeline. DETAILED DESCRIPTION

[0043] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0044] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0046] In the description of this embodiment, the terms "upper", "lower", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0047] like Figure 1As shown, this embodiment provides an industrial water system, including a heat exchanger 11, a high-temperature condensate water inlet pipeline 12, a low-temperature heat exchange pipeline 13, a low-temperature condensate water outlet pipeline 14, a high-temperature water supply pipeline 15, a cooling water tank 16, a humidifier 100, an industrial water device 200 and a workshop water supply pipeline 17. A heat release flow channel 111 and a heat absorption flow channel 112 are provided in the heat exchanger 11. The high-temperature condensate water inlet pipeline 12 is connected to the inlet of the heat release flow channel 111. The low-temperature heat exchange pipeline 13 is connected to the inlet of the heat absorption flow channel 112. One end of the low-temperature condensate water outlet pipeline 14 is connected to the outlet of the heat release flow channel 111. One end of the high-temperature water supply pipeline 15 is connected to the outlet of the heat absorption flow channel 112, and the other end is connected to the water inlet of the humidifier 100 and / or the industrial water device 200. The cooling pool 16 is at least partially buried below the ground 300, and the other end of the low-temperature condensate outlet pipe 14 is connected to the cooling pool 16. In this embodiment, the high-temperature water supply pipe 15 is connected to the water inlet of the humidifier 100 and the water inlet of the industrial water device 200. One end of the workshop water supply pipe 17 is connected to the cooling pool 16, and the other end supplies water to the workshop. As a water source for the workshop, the steam condensate has low calcium and magnesium ion content and can be used as cooling water for the workshop or as a source of pure water.

[0048] The industrial water system provided in this embodiment supplies the high-temperature steam condensate generated in industrial production to the heat exchanger 11 through the high-temperature condensate inlet pipe 12. The high-temperature steam condensate includes but is not limited to gravity flow, and can also be water in the hot water tank that is pumped to the high-temperature condensate inlet pipe 12. The high-temperature condensate in the high-temperature condensate inlet pipe 12 is used to preheat the low-temperature humidification water in the low-temperature heat exchange pipe 13 through the heat exchanger 11, and the high-temperature water formed after the preheating of the low-temperature humidification water is provided to the humidifier 100 and the industrial water device 200, which can reduce the electric heating power consumption of the humidifier 100 and the industrial water device 200, thereby reducing the energy consumption and operation cost of the humidifier 100 and the industrial water device 200. The high-temperature condensate is converted into low-temperature condensate after heat exchange, and then discharged to the cooling pool 16 through the low-temperature condensate outlet pipe 14, avoiding the flash evaporation phenomenon caused by the high temperature of the condensate flowing to the cooling pool 16. The cooling pool 16, which is at least partially buried 300 meters below the ground, can further cool the low-temperature condensed water, and provide the further cooled condensed water to the factory workshop through the workshop water supply pipeline 17, thereby reducing the consumption of water resources and the discharge of sewage. The cooling pool 16 is made of reinforced concrete, which has good thermal conductivity, and is convenient for cooling the water in the cooling pool 16 through the soil near the cooling pool 16.

[0049] Furthermore, if Figure 1As shown, a calorimeter 151 is provided between the low temperature heat exchange pipeline 13 and the high temperature water supply pipeline 15. The calorimeter 151 can calculate the heat difference between the low temperature heat exchange pipeline 13 and the high temperature water supply pipeline 15, so as to conveniently count how much energy the humidifier 100 and the industrial water device 200 save.

[0050] Furthermore, if Figure 1 As shown, the top of the cooling pool 16 is located above the ground 300. That is to say, the cooling pool 16 is partially located below the ground 300 and partially located above the ground 300, to prevent water from accumulating on the ground 300, such as rainwater accumulated on the ground 300 on rainy days, from flowing back into the cooling pool 16.

[0051] Optionally, the heat exchanger 11 is a plate heat exchanger, which has a lower scaling coefficient than a traditional shell and tube heat exchanger. The type of plate heat exchanger can be determined based on the heat that can be recovered from the condensed water.

[0052] Alternatively, if Figure 1 As shown, the industrial water system provided in this embodiment also includes a variable frequency circulation pump 18, a first temperature sensor 191 and a second temperature sensor 192. The variable frequency circulation pump 18 is arranged on the low-temperature heat exchange pipeline 13, the first temperature sensor 191 is arranged on the low-temperature condensate outlet pipeline 14, and the second temperature sensor 192 is arranged on the high-temperature water supply pipeline 15. The first temperature sensor 191 and the second temperature sensor 192 are both connected to the variable frequency circulation pump 18 in communication. The temperature sensor 191 is arranged at the outlet of the heat release channel 111 of the heat exchanger 11, and the operation of the variable frequency circulation pump 18 is controlled by detecting the temperature of the low-temperature condensate, thereby controlling the flow of the low-temperature heat exchange pipeline 13, that is, the flow of the heat absorption channel 112, so as to make full use of the excess heat in the high-temperature condensate, and reduce the high-temperature condensate to a suitable temperature. By setting a second temperature sensor 192 on the high-temperature water supply pipeline 15, when the second temperature sensor 192 detects that the temperature of the water in the high-temperature water supply pipeline 15 is too low, the variable frequency circulation pump 18 is controlled to stop working until the temperature of the first temperature sensor 191 reaches the designed heat exchange temperature of the plate exchanger, that is, when the temperature required for the design working conditions is reached, the variable frequency circulation pump 18 is controlled to work again and work according to the temperature variable frequency.

[0053] Alternatively, if Figure 1As shown, the industrial water system provided in this embodiment also includes a low-temperature water main pipe 20 and a low-temperature water supply pipeline 21. The water inlet of the low-temperature water main pipe 20 is connected to the water supply pipeline, and the end of the high-temperature water supply pipeline 15 away from the heat exchanger 11 is connected to the low-temperature water main pipe 20. The low-temperature water main pipe 20 can be connected to the water inlet of the humidifier 100 and / or the industrial water device 200 through the low-temperature water supply pipeline 21. The low-temperature water supply pipeline 21 is provided with a third temperature sensor 193, and the third temperature sensor 193 is communicatively connected to the variable frequency circulation pump 18. In this embodiment, the low-temperature water main pipe 20 is connected to the water inlet of the humidifier 100 and the industrial water device 200 through the low-temperature water supply pipeline 21. It can be understood that the low-temperature water supply pipeline 21 is essentially a bypass pipeline connecting the water inlet of the variable frequency circulation pump 18 with the water inlet of the humidifier 100 and the industrial water device 200. Thereby, the low-temperature water main pipe 20 can directly supply water to the humidifier 100 or the industrial water device 200 without passing through the heat exchanger 11. One end of the low-temperature water supply pipeline 21 is connected to the water inlet of the humidifier 100 and the industrial water device 200, and the other end is connected to the low-temperature water main pipe 20. By arranging a third temperature sensor 193 on the low-temperature water supply pipeline 21, when the third temperature sensor 193 detects that the water temperature in the low-temperature water supply pipeline 21 is too high, the variable frequency circulation pump 18 is controlled to reduce the frequency or stop the pump. Specifically, the variable frequency circulation pump 18 is controlled to reduce the frequency or stop the pump according to the actual working conditions. When the third temperature sensor 193 detects that the water temperature in the low-temperature water supply pipeline 21 drops to a preset temperature range, the variable frequency circulation pump 18 is controlled to perform variable frequency operation according to the temperature monitored by the first temperature sensor 191.

[0054] Alternatively, if Figure 1 As shown, a partition plate 161 is provided in the cooling water pool 16, and the partition plate 161 divides the cooling water pool 16 into a transition pool 162 and a water storage pool 163. When the water level in the transition pool 162 is higher than the partition plate 161, the water in the transition pool 162 can enter the water storage pool 163 through the top of the partition plate 161, and the other end of the low-temperature condensate water outlet pipeline 14 is connected to the transition pool 162, and one end of the workshop water supply pipeline 17 is connected to the water storage pool 163. By providing the partition plate 161, when the water level in the transition pool 162 is higher than the partition plate 161, the water in the transition pool 162 can enter the water storage pool 163 through the top of the partition plate 161, so that the low-temperature condensate discharged from the outlet of the low-temperature condensate water outlet pipeline 14 is mixed with the water in the transition pool 162 and then enters the water storage pool 163, so that the temperature of the water entering the workshop water supply pipeline 17 remains relatively stable. It should be noted that the volume of the cooling water pool 16 and the height of the partition 161 need to fully consider the relationship between the condensate output and the water consumption of the workshop to avoid waste of resources caused by over-large or over-high construction, and also avoid insufficient secondary cooling caused by too small or too low construction. At the same time, the waterproof measures of the cooling water pool 16 must be well done to avoid penetration and leakage of steam condensate.

[0055] Alternatively, if Figure 1 As shown, the outlet of the low-temperature condensate outlet pipeline 14 is arranged at the bottom of the cooling water pool 16, so that the cooling water pool 16 is filled with water from the bottom and discharged from the top, thereby maintaining a certain fluidity of the water in the transition pool 162.

[0056] Alternatively, if Figure 1 As shown, the water inlet of the workshop water supply pipeline 17 is set at the bottom of the water reservoir 163 and a flow meter 171 is set on the workshop water supply pipeline 17. It can be understood that the water in the water reservoir 163 flows out from the bottom of the water reservoir 163, which can keep the water in the water reservoir 163 at a certain fluidity, and avoid the water at the bottom of the water reservoir 163 not flowing and becoming "dead water". The flow meter 171 can count the amount of water flowing through the workshop water supply pipeline 17, that is, the amount of water provided by the workshop, so as to facilitate the statistics of how much water resources are saved.

[0057] Alternatively, if Figure 1 As shown, the cooling pool 16 is provided with a cover 164, and the cover 164 is provided on the pool opening of the cooling pool 16, so as to prevent foreign debris from entering the cooling pool 16.

[0058] Furthermore, the cover 164 is provided with a vent hole to maintain the pressure balance inside and outside the cooling water pool 16 .

[0059] Furthermore, if Figure 1 As shown, a vent pipe 165 is provided on the cover 164, and the vent hole is the inner hole of the vent pipe 165, and the top end of the vent pipe 165 is bent downward to prevent debris from entering the cooling water pool 16 through the vent hole.

[0060] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. An industrial water system, characterized in that: include: A heat exchanger (11) having a heat release channel (111) and a heat absorption channel (112) disposed therein; A high-temperature condensate water inlet pipeline (12), which is connected to the inlet of the heat release channel (111); A low-temperature heat exchange pipeline (13), which is connected to the inlet of the heat absorption channel (112); A low-temperature condensate water outlet pipeline (14), one end of which is connected to the outlet of the heat release channel (111); A high-temperature water supply pipeline (15), one end of which is connected to the outlet of the heat absorption channel (112), and the other end of which is connected to the water inlet of the humidifier (100) and / or the water inlet of the industrial water device (200); A cooling water pool (16) at least partially buried below the ground (300), the other end of the low-temperature condensate outlet pipeline (14) being connected to the cooling water pool (16); A workshop water supply pipeline (17), one end of which is connected to the cooling water pool (16) and the other end of which supplies water to the workshop; A variable frequency circulation pump (18), which is arranged on the low-temperature heat exchange pipeline (13); A first temperature sensor (191) and a second temperature sensor (192), wherein the first temperature sensor (191) is arranged on the low-temperature condensate outlet pipeline (14), and the second temperature sensor (192) is arranged on the high-temperature water supply pipeline (15), and the first temperature sensor (191) and the second temperature sensor (192) are both communicatively connected to the variable frequency circulation pump (18).

2. The industrial water system according to claim 1, characterized in that: A partition plate (161) is provided in the cooling water pool (16), and the partition plate (161) divides the cooling water pool (16) into a transition pool (162) and a water storage pool (163). When the water level in the transition pool (162) is higher than the partition plate (161), the water in the transition pool (162) can enter the water storage pool (163) through the top of the partition plate (161), and the other end of the low-temperature condensate outlet pipeline (14) is connected to the transition pool (162), and one end of the workshop water supply pipeline (17) is connected to the water storage pool (163).

3. The industrial water system according to claim 2, characterized in that: The outlet of the low-temperature condensate outlet pipeline (14) is arranged at the bottom of the transition tank (162).

4. The industrial water system according to claim 2, characterized in that: The water inlet of the workshop water supply pipeline (17) is arranged at the bottom of the water reservoir (163) and a flow meter (171) is arranged on the workshop water supply pipeline (17).

5. The industrial water system according to claim 1, characterized in that: A calorimeter (151) is provided between the low-temperature heat exchange pipeline (13) and the high-temperature water supply pipeline (15).

6. The industrial water system according to claim 1, characterized in that: The cooling water pool (16) is provided with a cover (164), and the cover (164) is arranged to cover the pool opening of the cooling water pool (16).

7. The industrial water system according to claim 6, characterized in that: The cover (164) is provided with a vent hole.

8. The industrial water system according to claim 7, characterized in that: The cover (164) is provided with a vent pipe (165), the vent hole is an inner hole of the vent pipe (165), and the top end of the vent pipe (165) is bent downward.

9. The industrial water system according to any one of claims 1 to 8, characterized in that: Also includes: A low-temperature water main pipe (20), wherein one end of the high-temperature water supply pipeline (15) away from the heat exchanger (11) is connected to the low-temperature water main pipe (20); A low-temperature water supply pipeline (21), wherein the low-temperature water main pipe (20) can be connected to the water inlet of the humidifier (100) and / or the water inlet of the industrial water device (200) via the low-temperature water supply pipeline (21), and a third temperature sensor (193) is provided on the low-temperature water supply pipeline (21), and the third temperature sensor (193) is communicatively connected to the variable frequency circulation pump (18).

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