Evaporative crystallization device for desalting salt-containing industrial wastewater

Abstract

The utility model discloses an evaporative crystallization device for desalting salt-containing industrial wastewater, which belongs to the technical field of industrial wastewater, and adopts the technical scheme that the evaporative crystallization device comprises a bottom plate, a heating box is arranged at the top of the bottom plate, the top of the heating box is communicated with a filling pipe, and heating blocks are arranged on the inner sides of the heating box; a wall scraping assembly is arranged on the inner side of the heating box, a waste heat recovery assembly is arranged on the rear side of the heating box, a worker adds industrial wastewater into the heating box on the top of the bottom plate through a filling pipe, then heating is conducted by starting a heating block, and after evaporation is completed, the waste heat recovery assembly is started by starting the wall scraping assembly. When industrial wastewater is desalted, evaporated and crystallized, residual crystals on the inner wall of the evaporation box after the wastewater is evaporated can be effectively scraped, so that a worker can easily take out the crystals on the inner wall and does not need to manually scrape the crystals on the inner wall, the workload of the worker is reduced, and the working efficiency of the worker is improved. Therefore, the use of workers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial wastewater, in particular to an evaporation crystallization device for desalting saline industrial wastewater. Background Art

[0002] Industrial wastewater includes production wastewater, production sewage and cooling water. It refers to the wastewater and waste liquid generated in the industrial production process, which contains industrial production materials, intermediate products, by-products and pollutants generated in the production process that are lost with water. Industrial wastewater is of various types and has complex composition. For example, electrolytic salt industrial wastewater contains mercury, heavy metal smelting industrial wastewater contains lead, cadmium and other metals, electroplating industrial wastewater contains cyanide, chromium and other heavy metals, petroleum refining industrial wastewater contains phenol, pesticide manufacturing industrial wastewater contains various pesticides, etc.

[0003] In response to the above problems, the existing patent provides a solution. When desalting industrial wastewater by evaporation and crystallization, the crystals produced after evaporation are usually easy to remain on the inner wall of the evaporation box. The existing crystallization device cannot scrape off the crystals remaining on the inner wall of the evaporation box. Therefore, it is more troublesome to take out the crystals. Usually, the staff needs to manually scrape off the crystals on the inner wall, which increases the workload of the staff and is not conducive to the use of the staff. In addition, in the process of evaporation and crystallization, the heat generated by evaporation is usually directly discharged, and the waste heat generated cannot be recycled, thus causing a waste of resources and failing to meet the use needs of the staff.

[0004] Therefore, an evaporation crystallization device for desalting saline industrial wastewater is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an evaporation crystallization device for desalination of saline industrial wastewater, which can solve the problem that in the existing evaporation crystallization for desalination of industrial wastewater, crystals generated after evaporation are likely to remain on the inner wall of the evaporation box, and the existing crystallization device cannot scrape off the crystals remaining on the inner wall of the evaporation box. Therefore, it is more troublesome to take out the crystals, and usually workers need to manually scrape off the crystals on the inner wall, thereby increasing the workload of the workers and being not conducive to their use. In addition, in the process of evaporation crystallization, the heat generated by evaporation is usually directly discharged, and the residual heat generated cannot be recycled, thus causing a waste of resources and failing to meet the use needs of the workers.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: an evaporation crystallization device for desalination of saline industrial wastewater, comprising a bottom plate, a heating box provided on the top of the bottom plate, a filling pipe connected to the top of the heating box, heating blocks provided on the inner sides of the heating boxes, a wall scraping assembly provided on the inner side of the heating boxes, and a waste heat recovery assembly provided on the rear side of the heating boxes;

[0007] The wall scraping assembly includes an electric telescopic rod, a connecting rod, a scraper, a material guide plate, a discharge port and a sealing plate. The electric telescopic rod is bolted to the top of the heating box, the telescopic end of the electric telescopic rod passes through the top of the heating box and is bolted to the top of the connecting rod, hanging rods are bolted on both sides of the connecting rod, the outer side of the scraper contacts the inner wall of the heating box, the inner side of the heating box is bolted with a material guide plate, the front side of the heating box is provided with a discharge port, and the inner side of the discharge port is slidably connected to a sealing plate.

[0008] Preferably, the waste heat recovery component includes a fan body, which is bolted to the top of the base plate, the absorption end of the fan body is bolted to a connecting pipe, the left side of the connecting pipe is connected to the right side of the heating box, the discharge end of the fan body is bolted to a delivery pipe, the right side of the delivery pipe is connected to a recovery box, the top of the recovery box is connected to a water supply pipe, and the right side of the recovery box is connected to a drain pipe.

[0009] Preferably, an activated carbon plate is slidably connected to the front side of the recovery box, and a handle is bolted to the front side of the activated carbon plate.

[0010] Preferably, a temperature measuring instrument is bolted to the top of the recovery box, and the bottom of the temperature measuring instrument extends to the inner side of the recovery box.

[0011] Preferably, an observation window is provided on the left side of the heating box, and the observation window is made of glass.

[0012] Preferably, a filter screen is clamped on the inner side of the filling pipe, and the filter screen is made of stainless steel.

[0013] Preferably, a clamping groove is provided on the inner side of the filling pipe, and clamping blocks are bolted on both sides of the filter screen, and the clamping blocks are clamped on the inner side of the clamping groove.

[0014] Preferably, the bottom of the base plate is bolted with support legs, and the support legs are evenly distributed at the four corners of the bottom of the base plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The present application provides a wall scraping assembly, which can effectively scrape off the crystals remaining on the inner wall of the evaporation box after the wastewater is evaporated during desalination and crystallization of industrial wastewater. Therefore, it is easier for workers to remove the crystals on the inner wall, and there is no need for workers to manually scrape off the crystals on the inner wall, thereby reducing the workload of workers and facilitating their use.

[0017] 2. By setting up a waste heat recovery component, this application can achieve the goal of not directly discharging the heat generated by evaporation during the evaporation and crystallization process. The staff can heat the water with the heat generated by evaporation, thereby effectively recycling the waste heat generated by evaporation, thereby not causing waste of resources and meeting the staff's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structural diagram of the evaporation crystallization device for desalting saline industrial wastewater of the present invention;

[0019] Figure 2 This is a schematic structural diagram of the wall scraping assembly of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the waste heat recovery component of the utility model;

[0021] Figure 4 This is a structural diagram of the clamping slot and the clamping block of the utility model;

[0022] Figure 5 This is a schematic structural diagram of the activated carbon plate of the present utility model.

[0023] In the figure, 1. bottom plate; 2. heating box; 3. filling pipe; 4. heating block; 5. scraper assembly; 501. electric telescopic rod; 502. connecting rod; 503. scraper; 504. guide plate; 505. discharge port; 506. sealing plate; 6. waste heat recovery assembly; 601. fan body; 602. connecting pipe; 603. conveying pipe; 604. recovery box; 605. water filling pipe; 606. drain pipe; 7. activated carbon plate; 8. temperature measuring instrument; 9. observation window; 10. filter; 11. snap-in groove; 12. snap-in block; 13. support leg. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-5 , this utility model provides a technical solution:

[0026] An evaporation crystallization device for desalting saline industrial wastewater comprises a bottom plate 1, a heating box 2 is provided on the top of the bottom plate 1, a filling pipe 3 is connected to the top of the heating box 2, a heating block 4 is provided on the inner side of the heating box 2, a wall scraping assembly 5 is provided on the inner side of the heating box 2, and a waste heat recovery assembly 6 is provided on the rear side of the heating box 2;

[0027] The wall scraping assembly 5 includes an electric telescopic rod 501, a connecting rod 502, a scraper 503, a guide plate 504, a discharge port 505 and a sealing plate 506. The electric telescopic rod 501 is bolted to the top of the heating box 2. The telescopic end of the electric telescopic rod 501 passes through the top of the heating box 2 and is bolted to the top of the connecting rod 502. Hanging rods are bolted to both sides of the connecting rod 502. The outer side of the scraper 503 contacts the inner wall of the heating box 2. The inner side of the heating box 2 is bolted with the guide plate 504. A discharge port 505 is opened on the front side of the heating box 2. The inner side of the discharge port 505 is slidably connected with a sealing plate 506.

[0028] In this embodiment: by setting up a bottom plate 1, a heating box 2, a filling pipe 3, a heating block 4, a scraper assembly 5 and a waste heat recovery assembly 6, the staff adds industrial wastewater to the inside of the heating box 2 on the top of the bottom plate 1 through the filling pipe 3, and then starts the heating block 4 for heating. After the evaporation is completed, by starting the scraper assembly 5, it can be achieved that when the industrial wastewater is desalinated and evaporated and crystallized, the crystals remaining on the inner wall of the evaporation box after the wastewater evaporation can be effectively scraped off. Therefore, it is easier for the staff to remove the crystals on the inner wall, and the staff does not need to manually scrape the crystals on the inner wall, thereby reducing the workload of the staff, which is beneficial to the use of the staff. Then, by starting the waste heat recovery assembly 6, it can be achieved that during the evaporation and crystallization process, the heat generated by evaporation does not need to be directly discharged. The staff can heat the water with the heat generated by evaporation, so the waste heat generated by evaporation can be effectively recycled, so it will not cause waste of resources, thereby meeting the use needs of the staff.

[0029] Specifically, such as Figure 1 、 Figure 3 As shown, the waste heat recovery component 6 includes a fan body 601, which is bolted to the top of the base plate 1. The absorption end of the fan body 601 is bolted to a connecting pipe 602, and the left side of the connecting pipe 602 is connected to the right side of the heating box 2. The discharge end of the fan body 601 is bolted to a delivery pipe 603, and the right side of the delivery pipe 603 is connected to a recovery box 604. The top of the recovery box 604 is connected to a water supply pipe 605, and the right side of the recovery box 604 is connected to a drain pipe 606.

[0030] Specifically, such as Figure 1 、 Figure 5 As shown, the front side of the recovery box 604 is slidably connected to the activated carbon plate 7, and the front side of the activated carbon plate 7 is bolted with a handle.

[0031] Specifically, such as Figure 1 、 Figure 3 、 Figure 5 As shown, a temperature measuring instrument 8 is bolted to the top of the recovery box 604 , and the bottom of the temperature measuring instrument 8 extends to the inside of the recovery box 604 .

[0032] In this embodiment: by providing a fan body 601, a connecting pipe 602, a recovery box 604, a delivery pipe 603, a water supply pipe 605, a drain pipe 606, an activated carbon plate 7 and a temperature measuring instrument 8, a worker adds water to the inside of the recovery box 604 through the water supply pipe 605, and then starts the fan body 601 to transport the heat generated by evaporation to the inside of the delivery pipe 603 through the connecting pipe 602, heating the water inside the recovery box. After the water is heated, it is discharged through the drain pipe 606 for use. This can achieve the goal of not directly discharging the heat generated by evaporation during the evaporation and crystallization process. The worker can heat the water through the heat generated by evaporation, thereby effectively recycling the waste heat generated by evaporation, thereby not wasting resources and meeting the needs of the worker. By providing the activated carbon plate 7, impurities and dust generated inside the heat can be effectively filtered and adsorbed to prevent pollution of the water inside the recovery box 604. By providing the temperature measuring instrument 8, it is convenient for the worker to observe the temperature inside the recovery box 604.

[0033] Specifically, such as Figure 1 、 Figure 4 As shown, an observation window 9 is provided on the left side of the heating box 2 and is made of glass.

[0034] Specifically, such as Figure 1 、 Figure 2 、 Figure 4 As shown, a filter screen 10 is clamped on the inner side of the filling pipe 3, and the filter screen 10 is made of stainless steel.

[0035] In this embodiment, by providing an observation window 9, it is possible to facilitate staff to observe the evaporation situation inside the evaporation box, and by providing a filter screen 10, impurities in industrial wastewater can be filtered.

[0036] Specifically, such as Figure 1 、 Figure 4 As shown, a clamping groove 11 is provided on the inner side of the filling pipe 3 , and clamping blocks 12 are bolted on both sides of the filter screen 10 , and the clamping blocks 12 are clamped on the inner side of the clamping groove 11 .

[0037] Specifically, such as Figure 1 As shown, the bottom of the base plate 1 is bolted with support legs 13 , and the support legs 13 are evenly distributed at the four corners of the bottom of the base plate 1 .

[0038] In this embodiment, by providing the snap-fit ​​groove 11 and the snap-fit ​​block 12 , it is convenient for the staff to remove the filter 10 for cleaning. By providing the support legs 13 , the evaporator box can be supported to prevent shaking during use.

[0039] Working principle: After the staff completes the desalination evaporation and crystallization of industrial wastewater, the staff starts the electric telescopic rod 501 to drive the scrapers 503 on both sides of the connecting rod 502 to scrape the crystals on the inner wall of the heating box 2, and then pulls the sealing plate 506 to slide the crystals through the guide plate 504 to the discharge port 505 for removal. This can effectively scrape off the crystals remaining on the inner wall of the evaporation box after the wastewater has evaporated. Therefore, it is easier for the staff to remove the crystals on the inner wall, and the staff does not need to manually scrape the crystals on the inner wall, thereby reducing the workload of the staff and facilitating the staff's work. After use, the staff adds water to the inside of the recovery box 604 through the water adding pipe 605, and then starts the fan body 601 to transport the heat generated by evaporation to the inside of the delivery pipe 603 through the connecting pipe 602 to heat the water inside. After the water is heated, it is discharged through the drain pipe 606 for use. It can be achieved that during the evaporation and crystallization process, there is no need to directly discharge the heat generated by evaporation. The staff can heat the water with the heat generated by evaporation, so that the waste heat generated by evaporation can be effectively recycled, so it will not cause waste of resources, thereby meeting the staff's usage needs.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An evaporation crystallization device for desalting saline industrial wastewater, comprising a bottom plate (1), characterized in that: A heating box (2) is provided on the top of the bottom plate (1), a filling pipe (3) is connected to the top of the heating box (2), a heating block (4) is provided on the inner side of the heating box (2), a wall scraping assembly (5) is provided on the inner side of the heating box (2), and a waste heat recovery assembly (6) is provided on the rear side of the heating box (2); The wall scraping assembly (5) comprises an electric telescopic rod (501), a connecting rod (502), a scraper (503), a material guide plate (504), a material outlet (505) and a sealing plate (506), wherein the electric telescopic rod (501) is bolted to the top of the heating box (2), the telescopic end of the electric telescopic rod (501) passes through the top of the heating box (2) and is bolted to the top of the connecting rod (502), hanging rods are bolted to both sides of the connecting rod (502), the outer side of the scraper (503) contacts the inner wall of the heating box (2), the inner side of the heating box (2) is bolted to the material guide plate (504), the front side of the heating box (2) is provided with a material outlet (505), and the inner side of the material outlet (505) is slidably connected to the sealing plate (506).

2. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 1, characterized in that: The waste heat recovery assembly (6) comprises a fan body (601), the fan body (601) is bolted to the top of the base plate (1), the absorption end of the fan body (601) is bolted to a connecting pipe (602), the left side of the connecting pipe (602) is connected to the right side of the heating box (2), the discharge end of the fan body (601) is bolted to a delivery pipe (603), the right side of the delivery pipe (603) is connected to a recovery box (604), the top of the recovery box (604) is connected to a water supply pipe (605), and the right side of the recovery box (604) is connected to a drain pipe (606).

3. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 2, characterized in that: The front side of the recovery box (604) is slidably connected to an activated carbon plate (7), and the front side of the activated carbon plate (7) is bolted to a handle.

4. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 2, characterized in that: A temperature measuring instrument (8) is bolted to the top of the recovery box (604), and the bottom of the temperature measuring instrument (8) extends to the inside of the recovery box (604).

5. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 1, characterized in that: An observation window (9) is provided on the left side of the heating box (2), and the observation window (9) is made of glass.

6. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 1, characterized in that: A filter screen (10) is clamped on the inner side of the filling pipe (3), and the filter screen (10) is made of stainless steel.

7. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 6, characterized in that: The inner side of each filling pipe (3) is provided with a clamping groove (11), and the two sides of the filter screen (10) are bolted with a clamping block (12), and the clamping block (12) is clamped on the inner side of the clamping groove (11).

8. The evaporation crystallization device for desalination of saline industrial wastewater according to claim 1, characterized in that: The bottom of the base plate (1) is bolted with support legs (13), and the support legs (13) are evenly distributed at the four corners of the bottom of the base plate (1).

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