Sludge treatment equipment

Abstract

The utility model discloses sludge treatment equipment which comprises a tank body, the tank body is connected with a waste gas treatment device, a filter screen is arranged in the tank body in an intercepting manner, a stirring space is formed in the tank body above the filter screen, a collecting space is formed below the filter screen, a stirring assembly is arranged in the stirring space, and the stirring assembly comprises a stirring rod arranged in the tank body. The stirring rod comprises an internal electric heating rod and an external protective shell, the top end of the stirring rod is connected with a motor, the bottom end of the stirring rod is connected with a scraping plate used for generating centrifugal thrust for discharging through rotation, and a discharging opening is formed in the position, where the scraping plate is located, of the tank body. Stirring can be promoted when the discharging port is closed, and discharging can be facilitated during discharging; an electric heating rod is arranged in the stirring rod, drying can be conducted in a heat conduction mode, meanwhile, a waste gas treatment device is arranged, sludge can be purged by heating air, and the drying effect is further improved in a heat convection mode.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to sludge treatment equipment. Background Art

[0002] Sludge treatment is the process of reducing, stabilizing and harmlessly treating sludge. Existing sludge treatment equipment usually filters wet sludge with high water content through a filter to filter out most of the sewage, then uses a prepared agent to disinfect and sterilize it, and finally heats and dries it into dry sludge with low water content for recycling. Since the sludge is easy to stick to the filter after drying, it makes it difficult to unload the equipment, and it also affects the subsequent filtering effect of the filter, thereby reducing the working efficiency of the equipment. In addition, most of the existing sludge treatment equipment only uses one drying method to dry the sludge, and the drying effect is often not good enough. Therefore, it is necessary to design a sludge treatment equipment that is easy to unload and has a better drying effect. Utility Model Content

[0003] The utility model aims to provide a sludge treatment device, which solves the problems of the existing sludge treatment device that after the sludge is dried, it is difficult to discharge the material and the filter net is easily blocked.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A sludge treatment equipment comprises a tank body, the tank body is connected to a feed port and an exhaust gas treatment device, a filter screen is intercepted and arranged in the tank body, a stirring space for stirring sludge is formed above the filter screen, and a collection space for collecting sewage is formed below the tank body, a stirring assembly is arranged in the stirring space, the stirring assembly comprises a stirring rod arranged inside the tank body, the stirring rod comprises an internal electric heating rod and an external protective shell, and the top end of the stirring rod is connected to a motor for driving the stirring rod to rotate, and the bottom end is connected to a scraper for discharging by generating centrifugal thrust through rotation, and the tank body is provided with a discharge port at the position of the scraper.

[0006] Furthermore, a brush is provided at the bottom of the scraper, and the brush is in close contact with the filter screen.

[0007] Furthermore, the exhaust gas treatment device includes an air intake assembly connected to the collecting space and an air outlet assembly connected to the stirring space, the air intake assembly includes an air intake pipe and an air intake pump and an electric heating sleeve arranged on the air intake pipe, one end of the air intake pipe extends into the tank body and is connected to the collecting space, and the other end extends out of the tank body and is connected to the air intake pump and the electric heating sleeve, the air outlet assembly includes an air outlet pipe, and the air outlet pipe is connected to the upper end of the stirring space.

[0008] Furthermore, the air outlet assembly also includes a filter intercepting and arranged in the air outlet pipe.

[0009] Furthermore, the interior of the filter is a hollow structure and micropores are provided on the upper and lower layers. The air outlet pipe of the air intake pump is located inside the filter, and a waterproof cover is provided above the air outlet pipe of the air intake pump.

[0010] Furthermore, a plurality of stirring rods are symmetrically arranged.

[0011] The beneficial effects of the utility model are as follows: (1) The stirring rod provided in the equipment can rotate to make the scraper generate centrifugal thrust to discharge the material, which can promote stirring when the discharge port is closed, and can facilitate discharge. (2) The stirring rod is provided with an electric heating rod to dry the material by heat conduction, and the exhaust gas treatment device is provided to blow the sludge by heated air, further improving the drying effect by heat convection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the scraper structure from a top view of the utility model;

[0014] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure of the stirring rod;

[0015] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of the middle waterproof cover.

[0016] In the figure: 1. tank body; 2. filter screen; 3. stirring space; 4. collecting space; 5. stirring rod; 6. scraper; 7. motor; 8. feed port; 9. discharge port; 10. air intake pump; 11. electric heating jacket; 12. air intake pipe; 13. air outlet pipe; 14. filter; 15. electric heating rod; 16. protective shell; 17. waterproof cover. DETAILED DESCRIPTION

[0017] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0018] like Figure 1-4As shown, a sludge treatment equipment includes a tank body 1, the tank body 1 is connected to a feed port 8 and an exhaust gas treatment device, a filter screen 2 is intercepted and arranged in the tank body 1, a stirring space 3 for stirring sludge is formed above the filter screen 2, and a collecting space 4 for collecting sewage is formed below the tank body 1, a stirring assembly is arranged in the stirring space 3, and the stirring assembly includes a stirring rod 5 arranged inside the tank body 1, the stirring rod 5 includes an internal electric heating rod 15 and an external protective shell 16, and the top end of the stirring rod 5 is connected to a motor 7 for driving the stirring rod 5 to rotate, and the bottom end is connected to a scraper 6 for discharging by generating centrifugal thrust through rotation, and the tank body 1 is provided with a discharge port 9 at the position of the scraper 6.

[0019] Working principle: the filter 2 is used to filter the sewage in the sludge, and the protective shell 16 can be made of but not limited to stainless steel with good thermal conductivity and corrosion resistance. The equipment respectively puts sludge and chemicals into the tank body 1 through the feed port 8, and most of the sewage can be filtered out through the filter 2 to the collection space 4 for subsequent treatment through oil-water separation and other steps. The sludge can be stirred by the stirring rod 5 in the stirring space 3 so that the chemical and sludge are mixed more evenly and the disinfection and sterilization effect is better. After filtering out most of the sewage and disinfecting and sterilizing, the electric heating rod 15 inside the stirring rod 5 is turned on, and the remaining moisture in the sludge is treated by heat conduction to complete the drying of the sludge. Turning on the stirring rod 5 for stirring can improve the drying effect, and the scraper 6 rotates after the stirring rod 5 rotates, which will generate centrifugal thrust, which can promote stirring when closing the discharge port 9, further improve the drying effect, and facilitate discharge when discharging.

[0020] Preferably, a brush is provided at the bottom of the scraper 6 , and the brush is in close contact with the filter screen 2 . The brush is used to process dry sludge adhering to the filter screen, thereby further improving the cleaning effect of the scraper 6 .

[0021] Preferably, the waste gas treatment device includes an air intake assembly connected to the collecting space 4 and an air outlet assembly connected to the stirring space 3, the air intake assembly includes an air intake pipe 12 and an air intake pump 10 and an electric heating sleeve 11 arranged on the air intake pipe 12, one end of the air intake pipe 12 extends into the tank body 1 and is connected to the collecting space 4, and the other end extends out of the tank body 1 and is connected to the air intake pump 10 and the electric heating sleeve 11, the air outlet assembly includes an air outlet pipe 13, and the air outlet pipe 13 is connected to the upper end of the stirring space 3, the waste gas treatment device is used in the sludge drying process, the electric heating sleeve 11 is used to heat the air, so that the heated hot air can enter the higher stirring space 3 from the lower collecting space 4 through the filter 2, and finally be discharged from the air outlet pipe 13, in the above process, the sludge drying effect can be further improved by thermal convection, and the waste gas treatment device is turned on to blow hot air from the bottom of the filter 2 to take away the dust in the dry sludge and the residual toxic gas in the stirring space 3, and at the same time, the probability of the filter 2 being blocked can be reduced.

[0022] Preferably, the gas outlet assembly further comprises a filter 14 interceptingly arranged in the gas outlet pipe 13, and the filter 14 may be but is not limited to containing activated carbon so as to absorb dust and toxic gases blown out during the sludge drying process.

[0023] Preferably, the interior of the filter screen 2 is a hollow structure and micropores are provided on both the upper and lower layers. The air outlet pipe of the air intake pump 10 is located inside the filter screen 2, and a waterproof cover 17 is provided above the air outlet pipe of the air intake pump 10. When the air intake pump 10 is not turned on, the waterproof cover 17 is used to prevent sewage from falling directly into the air intake pipe 12 after passing through the filter screen 2, thereby improving the service life of the equipment.

[0024] Preferably, a plurality of stirring rods 5 are symmetrically arranged, so that the sludge can be stirred more evenly and the drying effect is better.

[0025] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A sludge treatment device, comprising a tank body (1), wherein the tank body (1) is connected to a feed inlet (8) and an exhaust gas treatment device, characterized in that: A filter screen (2) is intercepted and arranged in the tank body (1); a stirring space (3) for stirring sludge is formed above the filter screen (2) in the tank body (1); a collection space (4) for collecting sewage is formed below the filter screen; a stirring assembly is arranged in the stirring space (3); the stirring assembly comprises a stirring rod (5) arranged in the tank body (1); the stirring rod (5) comprises an internal electric heating rod (15) and an external protective shell (16); the top end of the stirring rod (5) is connected to a motor (7) for driving the stirring rod (5) to rotate; the bottom end is connected to a scraper (6) for discharging material by generating centrifugal thrust through rotation; and the tank body (1) is provided with a discharge port (9) at the location of the scraper (6).

2. A sludge treatment equipment according to claim 1, characterized in that: A brush is provided at the bottom of the scraper (6), and the brush is in close contact with the filter screen (2).

3. A sludge treatment equipment according to claim 1, characterized in that: The exhaust gas treatment device comprises an air intake assembly connected to a collecting space (4) and an air outlet assembly connected to a stirring space (3); the air intake assembly comprises an air intake pipe (12) and an air intake pump (10) and an electric heating sleeve (11) arranged on the air intake pipe (12); one end of the air intake pipe (12) extends into the tank body (1) and is connected to the collecting space (4); the other end extends out of the tank body (1) and is connected to the air intake pump (10) and the electric heating sleeve (11); the air outlet assembly comprises an air outlet pipe (13); and the air outlet pipe (13) is connected to the upper end of the stirring space (3).

4. A sludge treatment equipment according to claim 3, characterized in that: The air outlet assembly also includes a filter (14) intercepting and arranged in the air outlet pipe (13).

5. The sludge treatment equipment according to claim 3, characterized in that: The interior of the filter screen (2) is a hollow structure and micropores are provided on both the upper and lower layers. The air outlet pipe of the air intake pump (10) is located inside the filter screen (2), and a waterproof cover (17) is provided above the air outlet pipe of the air intake pump (10).

6. The sludge treatment equipment according to claim 1, characterized in that: A plurality of stirring rods (5) are symmetrically arranged.

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