Reclaimed water advanced treatment waste heat utilization system
By combining plate and tube heat exchangers with sliding plug-in installation, the problem of low waste heat recovery efficiency in deep greywater treatment is solved, achieving efficient waste heat utilization and convenient maintenance.
Patent Information
- Application Number
- CN202423035007.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing plate or tube heat exchange components are prone to clogging during deep water treatment, have low waste heat recovery efficiency, and are difficult to effectively utilize the heat generated during chemical phosphorus removal.
The system employs a combination of plate and tube heat exchangers. An anchor-type stirring shaft agitates the wastewater and chemical agents, and heat conduction is used to transfer the heat generated by the chemical reaction in the wastewater to the waste heat recovery liquid. The sliding plug-in installation method facilitates the maintenance and disassembly of the waste heat recovery components.
It improves the efficiency of waste heat recovery, enhances the connection between the heat exchange pipeline and the reclaimed water heating element, facilitates equipment maintenance, and improves the practicality of the equipment.
Smart Images

Figure CN223610645U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of reclaimed water treatment, more particularly to a reclaimed water advanced treatment waste heat utilization system. BACKGROUND
[0002] Reclaimed water usually refers to non-drinking water that can be reused in a certain range after various drainage is treated to reach the water quality standard. The reclaimed water advanced treatment aims to further improve the water quality of the reclaimed water to meet the higher requirements of the reuse scene, such as industrial cooling, landscape water supplement, etc. In the reclaimed water advanced treatment process and some related industrial production links, a large amount of waste heat will be generated, and the waste heat utilization system is to collect and reasonably utilize these originally wasted heat to realize efficient utilization of energy and reduce energy consumption and environmental pollution.
[0003] When the phosphorus content of the reclaimed water exceeds the standard and needs to be chemically removed, iron salt, aluminum salt and other chemical agents are often added. In this process, the chemical energy will be released in the form of heat. Especially in large-scale reclaimed water advanced treatment plants, frequent and large-scale addition of agents for chemical phosphorus removal will produce continuous heat emission. The heat emission can be recycled through the equipped waste heat recovery for heat recycling. The existing waste heat recovery generally adopts plate or tube heat exchange. The plate type has high precision, and the reclaimed water impurities are easy to block. The tube heat exchange has a small contact surface, and the waste heat recovery efficiency is low, which is inconvenient to use. In view of this, we propose a reclaimed water advanced treatment waste heat utilization system. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the defects of the prior art, adapting to the actual needs, and providing a reclaimed water advanced treatment waste heat utilization system to solve the technical problems of inconvenient use of the existing plate or tube heat exchange components and low waste heat recovery efficiency.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a reclaimed water advanced treatment waste heat utilization system, comprising an outer shell, a treatment box and a waste heat recovery component, the treatment box is installed at the middle of the inner side of the outer shell, both sides of the outer shell are provided with side grooves, and the opening of the side groove is provided with a fixed port at equal intervals on the upper and lower sides, the side edge of the outer shell is provided with a sealing element, the upper and lower end faces of the outer shell are both provided with a pouring pipe and a liquid outlet pipe, the upper and lower sides of both ends of the treatment box are both provided with a liquid outlet and a liquid inlet, the inside of the treatment box is provided with an inner box at the middle of the upper and lower ends, the waste heat recovery component is inserted and installed at both sides of the inside of the treatment box, the upper end of one side of the treatment box is provided with a reagent port, and the sealing element is connected with the reagent port.
[0006] The utility model discloses when using, fill in the treatment box in the reclaimed water through liquid inlet, then introduce through the chemical agent mouth, complete internal stirring through the start anchor type stirring shaft, avoid the temperature of partial area because of the agent concentration and be too high, the waste heat recovery liquid is introduced through the perfusion pipe to the upper side built-in box, again through the docking interface and the docking head, the waste heat recovery liquid is introduced into the coil, finally the waste heat recovery liquid is discharged from the liquid outlet pipe through the lower side built-in box, and the reclaimed water is fully contacted through the clearance of the coil, and the heat generated by the chemical reaction of the reclaimed water is transmitted to the waste heat recovery liquid in the coil through the mode of heat conduction, the combination degree of the heat exchange pipeline and the heating part of the reclaimed water is improved through the combination mode of the plate type and the pipe type heat exchange of the device, the efficiency of the waste heat recovery is improved, the insertion frame part of the waste heat recovery assembly is inserted through the assembly opening of the side of the treatment box, and the clamping portion of the rear side of the insertion frame is clamped in the corner part of the built-in box, so that the docking head is connected with the docking interface to complete the combination, the external plate is clamped in the fixed port of the shell, and the connection of the assembly opening of the side of the treatment box is sealed through the sealing gasket.
[0007] Preferably, the assembly opening is equidistantly arranged on the two sides of the treatment box, and the assembly opening is correspondingly arranged on the fixed port of the side groove.
[0008] Preferably, the built-in box is equidistantly arranged on the two sides of the treatment box, and the built-in box is correspondingly arranged on the fixed port of the side groove.
[0009] Preferably, the built-in box is equidistantly arranged on the two sides of the treatment box, and the built-in box is correspondingly arranged on the fixed port of the side groove.
[0010] Preferably, the built-in box is equidistantly arranged on the two sides of the treatment box, and the built-in box is correspondingly arranged on the fixed port of the side groove.
[0011] Preferably, the built-in box is equidistantly arranged on the two sides of the treatment box, and the built-in box is correspondingly arranged on the fixed port of the side groove.
[0012] Preferably, the built-in box is equidistantly arranged on the two sides of the treatment box, and the built-in box is correspondingly arranged on the fixed port of the side groove.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] 1. The utility model discloses a waste heat recovery assembly is designed, and the treated water is filled in the processing box through the liquid inlet, then the chemical agent is introduced through the agent port, and the internal stirring is completed through the starting anchor type stirring shaft, avoids the temperature of partial area being too high because of the agent concentration, and the waste heat recovery liquid is introduced into the upper built-in box through the perfusion pipe, then the waste heat recovery liquid is introduced into the coil through the butt joint and the butt joint, and finally the waste heat recovery liquid is discharged from the liquid outlet pipe through the lower built-in box, and the treated water is fully contacted through the gap of the coil, and the heat generated by the chemical reaction of the treated water is transmitted to the waste heat recovery liquid in the coil through the heat conduction mode, the combination degree of the heat exchange pipeline and the treated water heating position is improved through the plate type and the pipe type heat exchange combined mode, and the waste heat recovery efficiency is improved.
[0015] 2. The utility model discloses still through design shell, the insertion frame part of waste heat recovery assembly is inserted through the assembly opening of processing box side, and the clamping portion of insertion frame rear side is connected in the corner part of built-in box, makes the butt joint of butt joint complete combination, and the external plate is attached and is connected in the fixed mouth of shell, and simultaneously the connecting place of processing box side assembly opening is realized the sealing treatment of connecting place through the sealing washer, because soaking in the wastewater containing chemical agent for a long time, to avoid pipeline damage after difficult maintenance, the installation mode of sliding insertion makes the component coil of the heat exchange of this device convenient to maintain and remove, improve the practicality of device. ACCURACY
[0016] Figure 1 It is the front view structure schematic drawing of the utility model;
[0017] Figure 2 It is the shell structure schematic drawing of the utility model;
[0018] Figure 3 It is the processing box connecting structure schematic drawing of the utility model;
[0019] Figure 4 It is the processing box cross section structure schematic drawing of the utility model;
[0020] Figure 5 It is the waste heat recovery assembly schematic drawing of the utility model.
[0021] Mark explanation in drawing: 1, shell, 101, stopper, 102, perfusion pipe, 103, side groove, 104, fixed mouth, 105, liquid outlet pipe, 2, processing box, 201, liquid outlet, 202, agent port, 203, built-in box, 204, butt joint, 205, anchor type stirring shaft, 206, liquid inlet, 3, waste heat recovery assembly, 301, butt joint, 302, insertion frame, 303, coil, 304, clamping portion, 305, external plate. SPECIFIC IMPLEMENTATION
[0022] As Figures 1 to 4The utility model relates to a kind of waste heat utilization systems of middle water advanced treatment, including shell 1, processing box 2 and waste heat recovery component 3, processing box 2 is installed at the inside middle place of shell 1, both sides of shell 1 are all set with side groove 103, and fixed mouth 104 is set with equidistance on the opening of side groove 103 upper and lower side, the side of shell 1 is equipped with stopper 101, the upper and lower end surfaces of shell 1 are all installed with perfusion pipe 102 and effluent pipe 105, and the upper and lower sides of both ends of processing box 2 are respectively installed with drainage port 201 and liquid inlet 206, the both sides of processing box 2 are all set with assembly port with equidistance, and assembly port corresponds the fixed mouth 104 of side groove 103, and the inside of processing box 2 is arrayed with anchor type stirring shaft 205, and anchor type stirring shaft 205 bottom anchor head part and insertion frame 302 are distributed with dislocation, middle water is filled in processing box 2 by liquid inlet 206, then chemical reagent is introduced by reagent port 202, by starting anchor type stirring shaft 205, complete internal stirring, avoid because of reagent concentration causes partial area temperature excessively high, waste heat recovery liquid is introduced by perfusion pipe 102 into upper built-in box 203, then waste heat recovery liquid is introduced into coil pipe 303 by butt joint 204 and butt joint 301, finally waste heat recovery liquid is discharged from effluent pipe 105 by lower built-in box 203, middle water is fully contacted by the gap of coil pipe 303, by the way of heat conduction, the heat generated by middle water chemical reaction is transferred to waste heat recovery liquid in coil pipe 303, the device is combined by the way of plate type and tubular heat exchange, improve the combination degree of heat exchange pipeline and middle water heating site, improve the efficiency of waste heat recovery.
[0023] As Figures 2 to 5The utility model relates to a kind of waste heat utilization systems of middle water advanced treatment, including shell 1, processing box 2 and waste heat recovery assembly 3, the inside upper and lower ends of processing box 2 are fixed with built-in box 203 at the middle, and the both sides of built-in box 203 are equidistantly provided with docking interface 204, built-in box 203 is equipped with two, and two built-in boxes 203 are communicated respectively filling pipe 102 and liquid outlet pipe 105, waste heat recovery assembly 3 is inserted and installed in the inside both sides of processing box 2, waste heat recovery assembly 3 is composed of insertion frame 302 and external plate 305, external plate 305 is fixed in the fixed port 104 of side groove 103 by bolt, insertion frame 302 is inserted in processing box 2 by assembly port, and the inner end of insertion frame 302 is equipped with clamping portion 304 on upper side, and docking head 301 is equipped in clamping portion 304, clamping portion 304 is attached to the corner of built-in box 203, docking head 301 is inserted in corresponding docking interface 204, the inside of insertion frame 302 is equipped with coil pipe 303, and the both ends of coil pipe 303 are communicated with corresponding docking head 301 respectively, the upper end of one side of processing box 2 is provided with reagent port 202, and sealing element 101 is docked with reagent port 202, the part of insertion frame 302 of waste heat recovery assembly 3 is inserted by the assembly port of the side of processing box 2, the clamping portion 304 of the rear side of insertion frame 302 is clamped in the corner part of built-in box 203, so that docking head 301 is inserted in docking interface 204 to complete combination, external plate 305 is attached and clamped in the fixed port 104 of shell 1, and the connecting place of the assembly port of the side of processing box 2 is sealed by sealing gasket, is soaked in wastewater containing chemical agent for a long time, to avoid pipeline damage after maintenance, the installation mode of sliding insertion makes the component coil pipe 303 of the heat exchange of the device easy to maintain and disassemble, improve the practicability of device.
[0024] Working principle: the embodiment provides a kind of waste heat utilization systems of middle water advanced treatment, when using, middle water is filled in processing box 2 by liquid inlet 206, then chemical agent is introduced by reagent port 202, internal stirring is completed by starting anchor type stirring shaft 205, avoid because agent concentration causes the temperature of partial area to be too high, waste heat recovery liquid is introduced into upper built-in box 203 by filling pipe 102, then waste heat recovery liquid is introduced into coil pipe 303 by docking interface 204 and docking head 301, finally waste heat recovery liquid is discharged from liquid outlet pipe 105 by lower built-in box 203, middle water is fully contacted by the gap of coil pipe 303, by the way of heat conduction, the heat generated by chemical reaction of middle water is transferred to waste heat recovery liquid in coil pipe 303, the part of insertion frame 302 of waste heat recovery assembly 3 is inserted by the assembly port of the side of processing box 2, the clamping portion 304 of the rear side of insertion frame 302 is clamped in the corner part of built-in box 203, so that docking head 301 is inserted in docking interface 204 to complete combination, external plate 305 is attached and clamped in the fixed port 104 of shell 1, and the connecting place of the assembly port of the side of processing box 2 is sealed by sealing gasket.
[0025] The embodiments of the present application disclose the preferred embodiments, but are not limited to the same, and the ordinary skilled in the art can easily understand the spirit of the present application according to the above-mentioned embodiments, and make different inferences and changes, as long as the spirit of the present application is not deviated, which are within the protection scope of the present application.
Claims
1. A greywater advanced treatment waste heat utilization system, comprising a shell (1), a treatment tank (2) and a waste heat recovery assembly (3), characterized in that: The processing box (2) is installed at the middle of the inner side of the shell (1), both sides of the shell (1) are provided with side grooves (103), and the opening of the side groove (103) is provided with a fixed port (104) at equal intervals on the upper and lower sides, the side edge of the shell (1) is provided with a sealing element (101), the upper and lower end faces of the shell (1) are both provided with a perfusion pipe (102) and a liquid outlet pipe (105), the upper and lower sides of both ends of the processing box (2) are both provided with a liquid outlet port (201) and a liquid inlet port (206), the middle of the inner upper and lower ends of the processing box (2) are both fixed with an embedded box (203), the waste heat recovery assembly (3) is inserted and installed at both sides of the inside of the processing box (2), and the upper end of one side of the processing box (2) is provided with a medicament port (202), and the sealing element (101) is connected with the medicament port (202).
2. The system according to claim 1, wherein: Both sides of the processing box (2) are provided with assembly ports at equal intervals, and the assembly ports correspond to the fixed ports (104) of the side grooves (103).
3. The system according to claim 2, wherein: Both sides of the embedded box (203) are provided with docking ports (204) at equal intervals, the embedded box (203) is provided with two, and the two embedded boxes (203) are communicated with the perfusion pipe (102) and the liquid outlet pipe (105) respectively.
4. The system according to claim 3, wherein: The waste heat recovery assembly (3) is composed of an insertion frame (302) and an external plate (305), the external plate (305) is fixed in the fixed port (104) of the side groove (103) through bolts, and the insertion frame (302) is inserted in the processing box (2) through the assembly port.
5. The system according to claim 4, wherein: The inner end of the insertion frame (302) is provided with a clamping portion (304) on the upper and lower sides, and the clamping portion (304) is provided with a connector (301) inside, the clamping portion (304) is attached to the corner of the embedded box (203), and the connector (301) is inserted into the corresponding docking port (204).
6. The system according to claim 5, wherein: The inside of the insertion frame (302) is provided with a coil pipe (303), and the both ends of the coil pipe (303) are communicated with the corresponding connectors (301) respectively.
7. The system according to claim 6, wherein: The inside of the processing box (2) is arranged with an anchor stirring shaft (205), and the bottom anchor head part of the anchor stirring shaft (205) is distributed in a staggered manner with the insertion frame (302).