Vacuum evaporation drying equipment for sewage
By designing a vacuum evaporation and drying equipment for sewage with rotary condensation components, the problems of scaling and cooling efficiency of the inner wall of the condenser tube are solved, and more efficient condensation and sewage recovery are achieved.
Patent Information
- Application Number
- CN202421152552.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The inner wall of the condenser tube of the existing sewage vacuum evaporator is prone to scale, shortening the service life, and at the same time, the cooling efficiency is slow, which affects the working efficiency.
A wastewater vacuum evaporation and drying device including a rotatable condensation assembly is designed. The condensation assembly includes a condensation tube bent in a zigzag shape and a rotating rod with a driving part. The driving part is driven by steam to rotate, and the condensation tube is driven to rotate, thereby improving the condensation efficiency.
By rotating the condenser tube, speed up the condensation speed of water vapor, improve condensation efficiency, extend the service life of the condenser tube, and improve the efficiency of sewage recycling.
Smart Images

Figure CN222574372U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sewage evaporation, in particular to sewage vacuum evaporation and drying equipment. Background Art
[0002] Wastewater treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering.
[0003] The Chinese patent with announcement number CN209161543U discloses a low-temperature vacuum evaporator for sewage treatment, including an evaporator tank body, a connecting pipe, a condenser and a vacuum pump. The top of the evaporator tank body is provided with an evaporator tank port, one end of the evaporator tank port is provided with a connecting pipe, one end of the connecting pipe is buckled with the condenser, one side of the condenser is connected with a water outlet pipe, and the other side of the condenser is provided with a vacuum pump, and the condenser and the vacuum pump are connected through an exhaust pipe. The utility model can enhance the sealing of the connection between the evaporator tank body and the connecting pipe by providing a sealing gasket and a waterproof ring, and avoid gas passing through the connection between the evaporator tank body and the connecting pipe to destroy the vacuum environment of the evaporator. By providing a Tyvek waterproof and breathable film, it can prevent the evaporation liquid from entering the condenser through the connecting pipe, thereby scaling the inner wall of the condenser, shortening the service life of the condenser, but the cooling efficiency of the condenser is slow, and it is not conducive to improving work efficiency. Utility Model Content
[0004] The purpose of the utility model is to solve the above defects and provide sewage vacuum evaporation and drying equipment.
[0005] The purpose of the utility model is achieved in the following way: sewage vacuum evaporation and drying equipment, including a box body, a condensing device and an evaporator installed in the box body, the box body is provided with an inner cavity one for accommodating sewage, the top of the box body is provided with a plurality of water inlet pipes, the water inlet pipes are connected with the inner cavity one, the evaporator is installed on the inner wall of one side of the inner cavity one, and is characterized in that the condensing device is connected with the water inlet pipe through a steam pipe, the condensing device is provided with an inner cavity two connected with the steam pipe, a rotatable condensing component is installed in the inner cavity two, the condensing component includes a condensing tube, a driving part opposite to the steam pipe and a rotating rod, the condensing tube and the driving part are both installed on the rotating rod, the condensing tube is bent up and down in a Z shape, a steam branch pipe is extended outward from the left side of the steam pipe, and a plurality of air outlets are provided on the steam branch pipe.
[0006] Furthermore, two material guide troughs are provided at the bottom of the inner cavity, a material drop channel is provided at the bottom of the material guide trough, and a discharge pipe connected to the material drop channel is provided on one side of the box body, and the evaporated sewage residue is discharged through the material drop channel.
[0007] Furthermore, a vacuum pump is installed on the box body, and the vacuum pump is provided with a vacuum pipe penetrating into the inner cavity, and the vacuum pump evacuates the inner cavity through the vacuum pipe.
[0008] Furthermore, a sliding groove is provided in the box body, and the sliding groove is connected to the inner wall of the blanking channel. Two adjusting rods are installed on the surface of the box body. One end of the adjusting rod penetrates into the box body and slides with the sliding groove. A baffle is installed on the adjusting rod.
[0009] Furthermore, the adjusting rod is connected with the sliding groove through the sliding part, and the adjusting rod can slide on the sliding groove through the sliding part, so that its baffle can slide to the top of the blanking channel through the sliding groove to isolate the blanking channel from the inner cavity.
[0010] Furthermore, one side of the box body is provided with an adjustment channel for facilitating sliding adjustment of the adjustment rod, one end of the adjustment channel extends into the box body to be connected with the blanking channel, and a waterproof layer is installed on the adjustment channel to cooperate with the adjustment rod. The adjustment channel can prevent sewage in the inner cavity from overflowing from the adjustment channel through the waterproof layer.
[0011] Furthermore, an adjustment key is provided at one end of the adjustment rod away from the sliding portion, and the adjustment rod can be easily pushed by the adjustment key. The outer surface of the adjustment key is provided with an anti-slip portion. The adjustment key is easy to slip when pushing the adjustment rod, thereby affecting manual operation. The surface roughness of the adjustment key is enhanced by the anti-slip portion, thereby increasing the surface friction.
[0012] Furthermore, the box body is provided with a plurality of installation openings for installing the exhaust pipe.
[0013] The beneficial effects produced by the utility model are as follows:
[0014] By providing a driving part that can be driven by steam to drive the condenser to rotate, the water in the water vapor can be effectively thrown out to help speed up the condensation of the water vapor. The heat transfer efficiency between the water vapor and liquid water can be increased through rotation, and the condensation efficiency can be improved. It is beneficial to effectively separate and collect water from the water vapor, providing convenience for recycling. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a three-dimensional structural diagram of the sewage vacuum evaporation and drying equipment of the utility model;
[0016] Figure 2This is a three-dimensional structural diagram of the sewage vacuum evaporation and drying equipment of the utility model;
[0017] Figure 3 It is a cross-sectional view of the box in the sewage vacuum evaporation drying equipment of the utility model;
[0018] Figure 4 This is the front view of the box in the sewage vacuum evaporation drying equipment of the utility model;
[0019] Figure 5 For this utility model Figure 4 Sectional view of AA in the middle;
[0020] Figure 6 For this utility model Figure 5 A partial enlarged schematic diagram of B in the middle;
[0021] Figure 7 It is a cross-sectional view of the condensing device in the sewage vacuum evaporation drying equipment of the utility model;
[0022] In the figure, 1. box body; 2. evaporator; 3. inner cavity one; 4. material guide trough; 5. material discharge channel; 6. condensing device; 7. steam pipe; 8. inner cavity two; 9. vacuum fan; 10. exhaust pipe; 11. water inlet pipe; 12. condenser; 13. sliding groove; 14. adjusting rod; 15. baffle; 16. sliding part; 17. adjusting channel; 18. waterproof layer; 19. adjusting key; 20. anti-slip part; 21. discharge pipe; 22. driving part; 23. installation port; 24. rotating rod; 25. steam branch pipe; 26. air outlet. DETAILED DESCRIPTION
[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.
[0024] See also Figure 1-Figure 7 The sewage vacuum evaporation drying equipment specifically implemented includes a box body 1, a condensing device 6 and an evaporator 2 installed in the box body 1, the box body 1 is provided with an inner cavity 3 for accommodating sewage, the top of the box body 1 is provided with a plurality of water inlet pipes 11, the water inlet pipes are connected with the inner cavity 3, the evaporator 2 is installed on the inner wall of one side of the inner cavity 3, and the box body 1 is provided with a plurality of installation ports 23 for installing the exhaust pipe 10.
[0025] The condensing device 6 is connected to the water inlet pipe 11 through the steam pipe 7. The condensing device 6 is provided with an inner cavity 8 connected to the steam pipe 7. A rotatable condensing component is installed in the inner cavity 8. The condensing component includes a condensing tube 12, a driving part 22 opposite to the steam pipe 7 and a rotating rod 24. The condensing tube 12 and the driving part 22 are both installed on the rotating rod 24. The condensing tube 12 is bent up and down into a Z shape. A steam branch pipe 25 extends outward from the left side of the steam pipe 7, and a plurality of air outlets 26 are provided on the steam branch pipe 25.
[0026] Two material guide troughs 4 are provided at the bottom of the inner cavity, and a material drop channel 5 is provided at the bottom of the material guide trough 4. A discharge pipe 21 connected to the material drop channel 5 is provided on one side of the box body 1, and the evaporated sewage residue is discharged through the material drop channel 5.
[0027] A vacuum pump 9 is installed on the box body 1, and the vacuum pump 9 is provided with a vacuum pipe 10 that penetrates into the inner cavity. The vacuum pump 9 evacuates the inner cavity through the vacuum pipe 10. A sliding groove 13 is provided in the box body 1, and the sliding groove 13 is connected to the inner wall of the blanking channel 5. Two adjusting rods 14 are installed on the surface of the box body 1. One end of the adjusting rod 14 penetrates into the box body 1 and slides with the sliding groove 13. A baffle 15 is installed on the adjusting rod 14.
[0028] The adjusting rod 14 is connected with the sliding groove 13 through the sliding part 16. The adjusting rod 14 can slide on the sliding groove 13 through the sliding part 16, so that the baffle 15 can slide through the sliding groove 13 to the top of the blanking channel 5 to isolate the blanking channel 5 from the inner cavity.
[0029] An adjustment channel 17 is provided on one side of the box body 1 to facilitate sliding adjustment of the adjustment rod 14. One end of the adjustment channel 17 extends into the box body 1 to be connected with the blanking channel 5. A waterproof layer 18 is installed on the adjustment channel 17 to cooperate with the adjustment rod 14. The adjustment channel 17 can prevent sewage in the inner cavity from overflowing from the adjustment channel 17 through the waterproof layer 18. An adjustment key 19 is provided at one end of the adjustment rod 14 away from the sliding portion 16. The adjustment key 19 can facilitate pushing the adjustment rod 14. The outer surface of the adjustment key 19 is provided with an anti-slip portion 20. The adjustment key 19 is easy to slip when pushing the adjustment rod 14, thereby affecting manual operation. The surface roughness of the adjustment key 19 is enhanced by the anti-slip portion 20, thereby increasing the surface friction.
[0030] The working principle of the embodiment of the utility model is as follows:
[0031] 1. Wastewater evaporation
[0032] The sewage enters the inner cavity 3 of the box body 1 through the water inlet pipe 11, and is evaporated by the evaporator 2.
[0033] 2. Remove air
[0034] The vacuum pump 9 extracts the air in the inner cavity 3 through the vacuum pipe 10, so that the inner cavity 3 remains in a vacuum state.
[0035] 3. Condensation of water vapor
[0036] The sewage forms water vapor through evaporation, and the water vapor enters the inner cavity 8 of the condensing device 6 through the steam pipe 7. Part of the water vapor is ejected through the steam pipe 7, and the other part of the water vapor is ejected through the steam branch pipe 25. The water vapor contacts the condensing tube 12 to form moisture. The Z-shaped condensing tube 12 is arranged to increase the surface contact area and improve the condensation efficiency.
[0037] 4. Collect water
[0038] A portion of the steam drives the driving part 22 to rotate, thereby generating power to drive the rotating rod 24 to rotate. The rotating rod 24 drives the condenser 12 to rotate, and the water condensed on the surface of the condenser 12 is thrown out, and the water vapor is driven to rotate, which helps to speed up the condensation rate of the water vapor.
[0039] The above contents are further detailed descriptions of the present invention in combination with specific further embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as the protection scope of the present invention.
Claims
1. A sewage vacuum evaporation drying device, comprising a box, a condensing device and an evaporator installed in the box, wherein the box is provided with an inner cavity for containing sewage, a plurality of water inlet pipes are provided on the top of the box, the water inlet pipes are connected with the inner cavity, and the evaporator is installed on one side inner wall of the inner cavity, characterized in that: The condensing device is connected to the water inlet pipe through a steam pipe. The condensing device is provided with an inner cavity 2 connected to the steam pipe. A rotatable condensing component is installed in the inner cavity 2. The condensing component includes a condensing tube, a driving part opposite to the steam pipe and a rotating rod. The condensing tube and the driving part are both installed on the rotating rod. The condensing tube is bent up and down in a Z shape. A steam branch pipe extends outward from the left side of the steam pipe, and a number of air outlets are provided on the steam branch pipe.
2. The sewage vacuum evaporation drying equipment according to claim 1 is characterized in that: Two material guide grooves are arranged at the bottom of the inner cavity, a material drop channel is arranged at the bottom of the material guide groove, and a material discharge pipe communicating with the material drop channel is arranged at one side of the box body.
3. The sewage vacuum evaporation drying equipment according to claim 1 is characterized in that: An air pump is installed on the box body, and an air pump pipeline penetrating into the inner cavity is arranged on the air pump.
4. The sewage vacuum evaporation drying equipment according to claim 2 is characterized in that: A sliding groove is provided in the box body, and the sliding groove is communicated with the inner wall of the blanking channel. Two adjusting rods are installed on the surface of the box body. One end of the adjusting rod penetrates into the box body and slides with the sliding groove. A baffle is installed on the adjusting rod.
5. The sewage vacuum evaporation drying equipment according to claim 4 is characterized in that: The adjusting rod is matched and connected with the sliding groove through a sliding portion.
6. The sewage vacuum evaporation drying equipment according to claim 5, characterized in that: An adjustment channel is provided on one side of the box body for slidable adjustment of the adjustment rod, one end of the adjustment channel extends into the box body to communicate with the blanking channel, and a waterproof layer cooperating with the adjustment rod is installed on the adjustment channel.
7. The sewage vacuum evaporation drying equipment according to claim 6 is characterized in that: An adjusting key is arranged at one end of the adjusting rod away from the sliding part, and an anti-slip part is arranged on the outer surface of the adjusting key.
8. The sewage vacuum evaporation drying equipment according to claim 3 is characterized by: The box body is provided with a plurality of installation openings for installing the air extraction pipeline.
Citation Information
Patent Citations
A low-temperature vacuum evaporator for wastewater treatment
CN209161543U