Heater and wastewater evaporation system with same
By designing a heater with a shared tube box in the wastewater evaporation system, the problems of large and high cost of heating devices in the existing system are solved, and the effects of small footprint, low cost and easy layout are achieved.
Patent Information
- Application Number
- CN202421314505.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-06-07
AI Technical Summary
When the existing wastewater evaporation system treats a large amount of wastewater, the heating device is difficult to control, resulting in large area, high cost and inconvenient space layout.
A heater is designed, by assembling and connecting the open ends of the first cylinder and the second cylinder with the ends of the tube box by means of the first flange and the second flange respectively, and sharing a tube box and a liquid inlet and outlet pipe on the tube box, reducing material use and floor space.
The heater has a small footprint and low cost, and a regular space layout, which is easy to layout and maintenance.
Smart Images
Figure CN222983719U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of wastewater treatment, in particular to a heater and a large-scale wastewater evaporation system with the heater. Background Art
[0002] With the continuous development of economy and the continuous progress of society, the amount of wastewater generated is increasing, which makes the amount of wastewater treatment larger and larger, and the treatment of wastewater is inseparable from the use of evaporation system.
[0003] At present, in the existing evaporation system, when the wastewater treatment volume is too large, the evaporation system is not easy to control, so a heating device in the evaporation system is divided into two sets of heating devices with smaller heat exchange areas for operation.
[0004] However, when a heating device is divided into two sets of heating devices with smaller heat exchange areas, the number of pipelines will increase, resulting in a large footprint of the existing heating device and affecting the spatial layout. At the same time, since the two sets of heating devices with smaller heat exchange areas need to be equipped with two circulation pumps, the total power consumption of the two circulation pumps will also be higher than that of the original one, resulting in high cost of the existing heating device.
[0005] Therefore, there is an urgent need for a heater and a wastewater evaporation system having the heater to overcome one or more of the above-mentioned drawbacks. Utility Model Content
[0006] One object of the utility model is to provide a heater used in a wastewater evaporation system, which has the advantages of low cost and small footprint for easy spatial arrangement.
[0007] Another object of the utility model is to provide a wastewater evaporation system, which has the advantages of low cost and small footprint for easy spatial arrangement.
[0008] To achieve the above-mentioned purpose, the heater of the utility model is suitable for use in a wastewater evaporation system, and comprises a pipe box, a liquid inlet pipe, a liquid outlet pipe, a first flange, a second flange, a first cylinder, a second cylinder, a first heat exchange component and a second heat exchange component. The pipe box is connected to the liquid inlet pipe and the liquid outlet pipe respectively. The open end of the first cylinder is assembled and connected to the first end of the pipe box by means of the first flange, and the open end of the second cylinder is assembled and connected to the second end of the pipe box by means of the second flange. The first heat exchange component is built into the first cylinder, and the second heat exchange component is placed in the second cylinder.
[0009] Compared with the prior art, since the open end of the first cylinder body is assembled and connected to the first end of the tube sheet through the first flange, and the open end of the second cylinder body is assembled and connected to the second end of the tube sheet through the second flange, such a design enables the first cylinder body and the second cylinder body to share a tube sheet and the liquid inlet pipe and the liquid outlet pipe on the tube sheet. Therefore, the use of two heads, one tube sheet, and the liquid inlet pipe and the liquid outlet pipe on the tube sheet can be reduced, thus saving some materials. At the same time, the space layout is regular and easier to arrange. Therefore, the heater of the present utility model has the advantages of small floor area and low cost.
[0010] Preferably, an insertion and extraction channel is formed on the first flange and / or the second flange, and a gate can be inserted into or extracted from the insertion and extraction channel.
[0011] Preferably, the gate is a blind plate, and the insertion and extraction direction of the gate is arranged along the radial direction of the first flange.
[0012] Preferably, the liquid inlet pipe and the liquid outlet pipe are arranged on opposite sides of the tube sheet.
[0013] Preferably, each of the first heat exchange assembly and the second heat exchange assembly includes heat exchange tubes, and the heat exchange tubes are straight tubes.
[0014] Preferably, the ends of the heat exchange tubes in the first heat exchange assembly are fixed on the first flange, and the ends of the heat exchange tubes in the second heat exchange assembly are fixed on the second flange.
[0015] To achieve the above object, the wastewater evaporation system of the present utility model includes a separation chamber, a steam generator for heating wastewater to a saturation temperature, an evaporation compressor for heating and pressurizing the wastewater heated to the saturation temperature and enabling the heated and pressurized wastewater to enter the separation chamber, and the aforementioned heater.
[0016] Compared with the prior art, since the open end of the first cylinder body is assembled and connected to the first end of the tube sheet through the first flange, and the open end of the second cylinder body is assembled and connected to the second end of the tube sheet through the second flange, such a design enables the first cylinder body and the second cylinder body to share a tube sheet and the liquid inlet pipe and the liquid outlet pipe on the tube sheet. Therefore, the use of two heads, one tube sheet, and the liquid inlet pipe and the liquid outlet pipe on the tube sheet can be reduced, thus saving some materials. At the same time, the space layout is regular and easier to arrange. Therefore, the heater of the present utility model has the advantages of small floor area and low cost. Also, since the wastewater evaporation system of the present utility model includes the aforementioned heater, correspondingly, the wastewater evaporation system of the present utility model also has the advantages of small floor area and low cost.
[0017] Preferably, the wastewater evaporation system of the present utility model further includes a first forced circulation pump. The output port of the first forced circulation pump is communicated with the liquid inlet pipe, the input port of the first forced circulation pump is communicated with the liquid outlet port of the separation chamber, and the liquid outlet pipe is communicated with the liquid inlet port of the separation chamber.
[0018] Preferably, the wastewater evaporation system of the present utility model further includes a second forced circulation pump for conveying the original liquid from the outside to the separation chamber.
[0019] Preferably, the wastewater evaporation system of the present utility model further includes a concentrated liquid transfer pump for discharging the concentrated liquid in the separation chamber from the separation chamber. Description of the Drawings
[0020] Figure 1 is a plan view of the wastewater evaporation system of the present utility model.
[0021] Figure 2 is a plan view of the heater of the present utility model.
[0022] Figure 3 is Figure 2 a plan view after hiding the first cylinder body, the second cylinder body, the first heat exchange assembly and the second heat exchange assembly in
[0023] Figure 4 is Figure 3 a plan view when the gate is pulled out from the plug-in channel. Detailed Embodiments
[0024] In order to describe in detail the technical content and structural features of the present utility model, the following further description is made in conjunction with the embodiments and the accompanying drawings.
[0025] Please refer to Figure 1 , the wastewater evaporation system 100 of the present utility model includes a heater 10, a separation chamber 20, a steam generator 30 for heating the wastewater to the saturation temperature, an evaporation compressor 40 for heating and pressurizing the wastewater heated to the saturation temperature and enabling the heated and pressurized wastewater to enter the separation chamber 20, a first forced circulation pump 50, a second forced circulation pump 60 for conveying the original liquid from the outside to the separation chamber 20, and a concentrated liquid transfer pump 70 for discharging the concentrated liquid in the separation chamber 20 from the separation chamber 20. Among them, the output port 51 of the first forced circulation pump 50 is communicated with the liquid inlet pipe 12 described below, the input port 52 of the first forced circulation pump 50 is communicated with the liquid outlet port 21 of the separation chamber 20, and the liquid outlet pipe 13 described below is communicated with the liquid inlet port 22 of the separation chamber 20.
[0026] Combined with Figure 2, the heater 10 includes a header 11, a liquid inlet pipe 12, a liquid outlet pipe 13, a first flange 14, a second flange 15, a first cylinder 16, a second cylinder 17, a first heat exchange component 18 and a second heat exchange component 19. The header 11 is respectively communicated with the liquid inlet pipe 12 and the liquid outlet pipe 13 to meet the requirement that the liquid transported by the first forced circulation pump 50 flows into the header 11 from the liquid inlet pipe 12 and then flows out of the header 11 from the liquid outlet pipe 13. Optionally, in Figures 2 to 4 , as an example, the liquid inlet pipe 12 and the liquid outlet pipe 13 are arranged on opposite sides of the header 11. Such a design can better enable the liquid transported by the first forced circulation pump 50 to enter the header 11 from below and then flow out of the header 11 from above, thereby extending the time required for the liquid to flow through the header 11. The reason is that: since the liquid will flow downward under the action of its own weight, and the downward-flowing liquid is forced to flow upward against its own weight under the transportation action of the first forced circulation pump 50. Therefore, the time for the liquid to flow through the header 11 is extended to obtain better effects. Obviously, according to actual needs, the arrangement relationship between the liquid inlet pipe 12 and the liquid outlet pipe 13 on the header 11 can also be other, so it is not limited by Figures 2 to 4 shown.
[0027] Meanwhile, the open end 161 of the first cylinder 16 is assembled and connected to the first end 111 of the header 11 through the first flange 14, so that the open end 161 of the first cylinder 16 is butt-connected and communicated with the first end 111 of the header 11 through the first flange 14. The open end 171 of the second cylinder 17 is assembled and connected to the second end 112 of the header 11 through the second flange 15, so that the open end 171 of the second cylinder 17 is butt-connected and communicated with the second end 112 of the header 11 through the second flange 15.
[0028] Furthermore, the first heat exchange component 18 is built in the first cylinder 16, and the first cylinder 16 collects the first heat exchange component 18; the second heat exchange component 19 is placed in the second cylinder 17, and the second cylinder 17 collects the second heat exchange component 19. Therefore, the first cylinder 16 and the second cylinder 17 share the same header 11 and the liquid inlet pipe 12 and the liquid outlet pipe 13 on the header 11, realizing the combination of a heating structure composed of the first cylinder 16 and the first heat exchange component 18 and another heating structure composed of the second cylinder 17 and the second heat exchange component 19. Compared with two traditional heating devices with smaller areas, two heads (i.e., those referred to by reference numerals 16b and 17b), one header 11 and the liquid inlet pipe 12 and the liquid outlet pipe 13 on the header 11 can be reduced. More specifically, as follows:
[0029] As Figure 3 and Figure 4As shown, as an example, plug-in channels 141 (151) are provided on the first flange 14 and the second flange 15, and a gate 142 (152) can be inserted into the plug-in channels 141 (151). The state is shown in Figure 3 shown; alternatively, the gate 142 (152) can be pulled out from the plug-in channels 141 (151), and the state is shown in Figure 4 shown; therefore, when an abnormality occurs in one of the first cylinder 16 and the second cylinder 17 or when cleaning is required, at this time, the gate 142 can be inserted into the plug-in channel 141 to cut off and block the first cylinder 16, or the gate 152 can be inserted into the plug-in channel 151 to cut off and block the second cylinder 16, so that the waste water evaporation system 100 of the present utility model does not need to be shut down for treatment during short-term maintenance, thus ensuring work efficiency. Specifically, in Figure 3 and Figure 4 as an example, the insertion and extraction direction of the gate 142 (152) is arranged along the radial direction of the first flange 16. The first cylinder 16 is transversely cut off and blocked by the gate 142, and the second cylinder 17 is transversely cut off and blocked by the gate 152; in addition, the gate 142 (152) is a blind plate to simplify the structure of the gate 142 (152). It should be noted that although Figure 3 and Figure 4 show that the plug-in channel 141 is provided on the first flange 14 and the plug-in channel 151 is provided on the second flange 15. Obviously, according to actual needs, it is also possible to only have the plug-in channel 141 provided on the first flange 14, or the plug-in channel 151 provided on the second flange 15. Therefore, it is not limited to Figure 3 and Figure 4 shown; in addition, when the plug-in channels 141 (151) are provided, before the gate 142 (152) is inserted into the plug-in channels 141 (151), the openings of the plug-in channels 141 (151) need to be blocked to ensure the reliability of the heater 10 during operation.
[0030] As Figure 2 shown, as an example, the first heat exchange component 18 includes heat exchange tubes 181, and the heat exchange tubes 181 are straight tubes to simplify the structure of the first heat exchange component 18. Specifically, in Figure 2 as an example, the ends of the heat exchange tubes 181 in the first heat exchange component 18 are fixed to the first flange 14. It should be added that since the heat exchange tubes 181 are already well-known in the art and the relationship between them and the first cylinder 16 is also well-known in the art, they will not be elaborated here.
[0031] Again, as Figure 2 shown, as an example, the second heat exchange component 19 includes heat exchange tubes 191, and the heat exchange tubes 191 are straight tubes to simplify the structure of the second heat exchange component 19. Specifically, in Figure 2Among them, as an example, the end of the heat exchange tube 191 in the second heat exchange component 19 is fixed to the second flange 15. It should be added that since the heat exchange tube 191 in the second heat exchange component 19 is well-known in the art, and its relationship with the second cylinder 17 is also well-known in the art, it will not be elaborated here.
[0032] For another example Figure 2 As shown, as an example, the first cylinder 16 includes a cylinder main body 16a and a head 16b for end-sealing one end of the cylinder main body 16a away from the tube box 11. The open end 161 of the first cylinder 16 is located at one end of the cylinder main body 16a adjacent to the tube box 11. Such a design facilitates the cleaning and maintenance operations inside the first cylinder 16 by installing and disassembling the head 16b; at the same time, the second cylinder 17 includes a cylinder main body 17a and a head 17b for end-sealing one end of the cylinder main body 17a away from the tube box 11. The open end 171 of the second cylinder 16 is located at one end of the cylinder main body 17a adjacent to the tube box 11. Such a design facilitates the cleaning and maintenance operations inside the second cylinder 16 by installing and disassembling the head 17b.
[0033] Combined with the accompanying drawings, the operation process of the wastewater evaporation system of the present utility model will be described:
[0034] When starting up, the steam generator 30 provides a small amount of heat source to heat the wastewater to the saturation temperature, and the steam compressor 40 raises its temperature and pressure to act as the heat source of the heater 10; the saturated wastewater is heated up, and when the heated wastewater enters the relatively low-temperature and low-pressure environment of the separation chamber 20, flash evaporation occurs to generate secondary steam. The distilled water condensed at the heater 10 is discharged from the heater 10 along the Figure 1 direction indicated by the arrow in the lower right middle of Figure 1 Among them, the concentrated liquid is output from the separation chamber 20 along the Figure 1 direction indicated by the arrow in the lower left of Figure 1 under the transportation of the concentrated liquid transfer pump 70; the original liquid is input into the separation chamber 20 along the Figure 1 direction indicated by the arrow in the middle left of
[0035] Compared with the prior art, since the open end 161 of the first cylinder 16 is assembled and connected to the first end 111 of the tube sheet 11 by means of the first flange 14, and the open end 171 of the second cylinder 17 is assembled and connected to the second end 112 of the tube sheet 11 by means of the second flange 15, such a design enables the first cylinder 16 and the second cylinder 17 to share a tube sheet 11, the liquid inlet pipe 12 and the liquid outlet pipe 13 on the tube sheet 11. Therefore, the use of two heads 16b (17b), a tube sheet 11, the liquid inlet pipe 12 and the liquid outlet pipe 13 on the tube sheet 11 can be reduced, thus saving some materials. At the same time, the space layout is regular and easier to arrange. Therefore, the heater 10 has the advantages of small floor area and low cost. Moreover, since the wastewater evaporation system 100 of the present invention includes the aforementioned heater 10, correspondingly, the wastewater evaporation system 100 of the present invention also has the advantages of small floor area and low cost.
[0036] It should be noted that the aforementioned "temperature and pressure increase" refers to increasing the temperature and increasing the pressure. In addition, for the separation chamber 20, the steam generator 30, the steam compressor 40, the first forced circulation pump 50, the second forced circulation pump 60 and the concentrated liquid delivery pump 70, their specific structures and working principles in the wastewater evaporation system 100 of the present invention are well known in the art, so they will not be described in detail here. In addition, the working principle of the heater 10 in the wastewater evaporation system 100 of the present invention is also well known in the art, so it will not be described in detail here either. Finally, for the heater 10, the improvement of the present invention lies in sharing the same tube sheet 11 and the liquid inlet pipe 12 and the liquid outlet pipe 13 thereon, so as to combine the heating structure composed of the first cylinder 16 and the first heat exchange component 18 into one set with the heating structure composed of the second cylinder 17 and the second heat exchange component 19 into another set.
[0037] The above-disclosed are only the preferred examples of the present invention, and the scope of the rights of the present invention cannot be limited thereby. Therefore, all equivalent changes made according to the claims of the present invention fall within the scope covered by the present invention.
Claims
1. A heater, suitable for use in a wastewater evaporation system, comprising a pipe box and a liquid inlet pipe and a liquid outlet pipe connected to the pipe box, characterized in that: The heater also includes a first flange, a second flange, a first cylinder, a second cylinder, a first heat exchange component and a second heat exchange component. The open end of the first cylinder is assembled and connected to the first end of the pipe box by means of the first flange, and the open end of the second cylinder is assembled and connected to the second end of the pipe box by means of the second flange. The first heat exchange component is built into the first cylinder, and the second heat exchange component is placed in the second cylinder.
2. The heater according to claim 1, characterized in that The first flange and / or the second flange is provided with an insertion and extraction channel, and a gate can be inserted into or removed from the insertion and extraction channel.
3. The heater according to claim 2, characterized in that The gate is a blind plate, and the plugging and pulling direction of the gate is arranged along the radial direction of the first flange.
4. The heater according to claim 1, characterized in that The liquid inlet pipe and the liquid outlet pipe are arranged on opposite sides of the pipe box.
5. The heater according to claim 1, characterized in that The first heat exchange component and the second heat exchange component each include a heat exchange tube, and the heat exchange tube is a straight tube.
6. The heater according to claim 5, characterized in that The ends of the heat exchange tubes in the first heat exchange assembly are fixed to the first flange, and the ends of the heat exchange tubes in the second heat exchange assembly are fixed to the second flange.
7. A wastewater evaporation system, comprising a separation chamber, a steam generator for heating wastewater to a saturation temperature, and an evaporation compressor for increasing the temperature and pressure of the wastewater heated to the saturation temperature and allowing the wastewater after the temperature and pressure increase to enter the separation chamber, characterized in that: The evaporation system further comprises a heater according to any one of claims 1 to 6.
8. The wastewater evaporation system according to claim 7, characterized in that: It also includes a first forced circulation pump, the output port of the first forced circulation pump is connected to the liquid inlet pipe, the input port of the first forced circulation pump is connected to the liquid outlet of the separation chamber, and the liquid outlet pipe is connected to the liquid inlet of the separation chamber.
9. The wastewater evaporation system according to claim 8, characterized in that: It also includes a second forced circulation pump for transporting external raw liquid into the separation chamber.
10. The wastewater evaporation system according to claim 8, characterized in that: The invention also comprises a concentrate delivery pump for discharging the concentrate in the separation chamber out of the separation chamber.