Pushing type dewatering device
By setting negative pressure in the collection bucket of the push-type dehydration device, the water separation in the ash is achieved, which solves the problems of high failure rate and high construction cost of vibration dehydration screen equipment, and reduces maintenance and construction costs.
Patent Information
- Application Number
- CN202510067319.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-03-21
AI Technical Summary
The existing vibration dehydration screens have high equipment failure rate due to high frequency vibration during the ash dehydration process, which increases maintenance costs, increases the requirements for foundation loads and structural loads, and increases construction costs.
A push-push dehydration device is designed. By setting a negative pressure in the collection bucket, the water in the gas and ash slag is driven through the filter plate into the collection bucket to separate the water, and the water-containing ash slag is pushed into the dehydration chamber through the push-push mechanism for dehydration.
The separation of water in the ash is achieved, equipment failure caused by vibration is avoided, maintenance costs are reduced, and the requirements for foundation and structural loads are reduced, and construction costs are reduced.
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Figure CN119665599A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ash dehydration, and more particularly to a pusher type dehydration device. Background Art
[0002] The chemical, thermal power generation, metallurgy, mining and other fields will produce a large amount of water-containing ash and other materials during their production process. The presence of water greatly increases the difficulty of transportation and subsequent processing.
[0003] At present, most of the methods for processing such water-containing ash and water-containing materials are through a vibrating dewatering screen. The principle is to rely on the vibration motor or exciter on the vibrating dewatering screen to provide power, drive the dewatering screen body to vibrate back and forth at high frequency, and let the water-containing ash pass through the filter plate of the screen body evenly. Under the action of vibration and gravity, the moisture in the ash or other materials will pass through the holes in the filter plate into the slag and water collection bucket under the screen plate, and the dehydrated material will be discharged from the discharge port of the vibrating dewatering screen.
[0004] The vibrating dewatering screen can basically meet the requirements of dehydrating wet ash, but the high-frequency vibration will cause fatigue of various parts of the equipment, resulting in a high equipment failure rate and increased maintenance costs. If the vibrating dewatering screen is installed on other structures, the requirements for the foundation load and structural load related to the entire structure will increase, thereby increasing the construction cost. Summary of the invention
[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a push-type dehydration device, which, through the setting of a collecting bucket, will drive the gas and the water in the ash to pass through the filter plate and enter the collecting bucket under the action of the negative pressure in the collecting bucket, thereby realizing the separation of the water in the ash, and will not generate vibration, thereby reducing the failure rate, thereby reducing maintenance costs, reducing the requirements for foundation loads and structural loads, and reducing construction costs.
[0006] To achieve the above object, the present invention provides the following technical solution: a push-type dehydration device, comprising a dehydration chamber, wherein the dehydration chamber is arranged obliquely, the inclined top end of the dehydration chamber is a discharge end, and the inclined bottom end is a feed end; A collecting hopper, the collecting hopper is fixedly connected to the bottom of the dehydration chamber, and negative pressure is formed in the collecting hopper; A filter plate, which is arranged between the collecting hopper and the dehydration chamber, and the water and air in the ash can pass through the filter plate and enter the collecting hopper; And a pushing mechanism, which is used to push the water-containing ash and slag into the dehydration chamber from the inclined lower end of the dehydration chamber.
[0007] The present invention is further configured as follows: it also includes a feed cavity, the feed cavity is arranged at the feed end of the dehydration cavity, the pushing mechanism is arranged in the feed cavity and is used to push the water-containing ash in the feed cavity into the dehydration cavity; And a feeding hopper, wherein the feeding hopper is fixed to the top of the feeding chamber and is located at one end of the feeding chamber close to the dehydration chamber.
[0008] The present invention is further configured to include: a wear-resistant bottom plate, the wear-resistant bottom plate is located at the bottom of the feed chamber, and the wear-resistant plate is fixedly connected to the filter plate; Side plates, two of which are provided, and the two side plates are respectively fixedly connected to the two sides of the top of the wear-resistant plate, and the side plates are located on both sides of the feed chamber and the dehydration chamber; And a cover plate, which is fixedly connected to the top of the two side plates and is located at the top of the dehydration chamber.
[0009] The present invention is further configured as follows: a material receiving pipe is fixedly connected to the bottom of the feed hopper, and one end of the bottom of the material receiving pipe is connected to the two side plates and the cover plate close to the feed cavity.
[0010] The present invention is further configured as follows: the pushing mechanism comprises a pushing plate, the bottom of which is in contact with the wear-resistant plate and the filter plate; And a closing plate, which is fixedly connected to the top of the pushing plate, contacts the bottom of the cover plate, and when the pushing plate enters the dehydration chamber, the closing plate is located at the bottom of the receiving pipe to close one end of the bottom of the receiving pipe.
[0011] The present invention is further configured as follows: it also includes an air-water separation barrel, the bottom of the collecting bucket is connected to the air-water separation barrel through a pipeline, the bottom of the air-water separation barrel is connected to a pipeline for discharging water, and a pipeline connected to a negative pressure fan is fixedly connected to one side of the air-water separation barrel near the top.
[0012] The present invention is further configured as follows: a control panel is provided at one end of the cover plate away from the feed hopper, one end of the control panel is connected to the cover plate, and the other end is connected to the adjusting bolt; The control board is arranged above one end away from the cover plate on a fixing piece, the fixing piece is fixed in position, the adjusting bolt vertically passes through the fixing piece and nuts respectively located at the top and bottom of the fixing piece are threadedly connected on the adjusting bolt.
[0013] The present invention is further configured as follows: the pushing mechanism further comprises a fixing plate, the fixing plate being fixedly connected to the inclined lower ends of the two side plates and fixedly connected to the wear-resistant plate; A driving cylinder, a cylinder body of the driving cylinder is fixedly connected to a fixed plate; And a connecting seat, wherein the connecting seat is fixedly connected to a side of the push plate close to the fixed plate, and the piston rod of the driving cylinder is connected to the connecting seat.
[0014] The present invention is further configured as follows: a recovery bucket located at the bottom of the wear-resistant plate is fixedly connected to a position of the wear-resistant plate near the inclined lower end, and a pipeline for discharging water is fixedly connected to the bottom of the recovery bucket.
[0015] The present invention is further configured as follows: a cleaning piece is provided at the bottom of the receiving pipe away from the cover plate, and the cleaning piece is used to contact the top of the closing plate to clean the top of the closing plate to prevent ash adhered to the top of the closing plate from leaving the receiving pipe.
[0016] In summary, compared with the prior art, the present invention has the following beneficial effects: through the setting of the collecting bucket, the negative pressure in the collecting bucket will drive the gas and the water in the ash to pass through the filter plate and enter the collecting bucket, thereby realizing the separation of the water in the ash, and will not generate vibration, thereby reducing the failure rate, thereby reducing maintenance costs, reducing the requirements for foundation loads and structural loads, and reducing construction costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of the overall structure of an embodiment; Figure 2 for Figure 1 A magnified schematic diagram of part A; Figure 3 for Figure 1 A magnified schematic diagram of part B; Figure 4 The figure is a schematic diagram of a gas-water separation barrel according to an embodiment.
[0018] In the figure: 1. dehydration chamber; 2. feed chamber; 3. push mechanism; 31. wear-resistant plate; 32. closing plate; 33. connecting seat; 34. fixed plate; 35. drive cylinder; 36. fixed guide rail; 37. sliding guide rail; 4. collecting hopper; 5. feed hopper; 51. material receiving pipe; 52. cleaning parts; 6. air-water separation barrel. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.
[0020] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.
[0021] Embodiment: A push-type dehydration device, see attached Figure 1 -Attached Figure 4 , including a dehydration chamber 1, a collecting hopper 4, a filter plate and a pushing mechanism 3. The dehydration chamber 1 is arranged at an angle, the inclined top end of the dehydration chamber 1 is the discharging end, and the inclined lower end is the feeding end; the collecting hopper 4 is fixedly connected to the bottom of the dehydration chamber 1, and a negative pressure is formed in the collecting hopper 4; the filter plate is arranged between the collecting hopper 4 and the dehydration chamber 1, and the water and air in the ash can pass through the filter plate and enter the collecting hopper 4; the pushing mechanism 3 is used to push the water-containing ash into the dehydration chamber 1 from the inclined lower end of the dehydration chamber 1.
[0022] When in use, the water-containing ash is pushed into the dehydration chamber 1 by the pushing mechanism 3, and then under the action of the negative pressure in the collecting bucket 4, the air and the moisture in the water-containing ash will enter the collecting bucket 4, so that the ash and water are separated, and frequent vibration is not required in the entire separation process, which reduces the failure rate, thereby reducing maintenance costs, reducing the requirements for foundation loads and structural loads, and reducing construction costs.
[0023] Specifically, this embodiment further includes a feed chamber 2 and a hopper 5, wherein the feed chamber 2 is arranged at the feed end of the dehydration chamber 1, and the pushing mechanism 3 is arranged in the feed chamber 2 and is used to push the water-containing ash in the feed chamber 2 into the dehydration chamber 1; the hopper 5 is fixed to the top of the feed chamber 2 and is located at one end of the feed chamber 2 close to the dehydration chamber 1. The feed chamber 2 is used to deliver the water-containing ash into the feed chamber 2.
[0024] Specifically, this embodiment also includes a wear-resistant bottom plate, a side plate and a cover plate, wherein the wear-resistant bottom plate is located at the bottom of the feed chamber 2, and the wear-resistant plate 31 is fixedly connected to the filter plate; two side plates are provided, and the two side plates are respectively fixedly connected to the two sides of the top of the wear-resistant plate 31, and the side plates are located on both sides of the feed chamber 2 and the dehydration chamber 1; the cover plate is fixedly connected to the top of the two side plates and the cover plate is located at the top of the dehydration chamber 1.
[0025] The feed chamber 2 is formed between the wear-resistant bottom plate and the two side plates, and the dehydration chamber 1 is formed between the filter plate, the cover plate and the two side plates.
[0026] Specifically, a receiving pipe 51 is fixedly connected to the bottom of the feed hopper 5, and one end of the bottom of the receiving pipe 51 is connected to the two side plates and the cover plate near the feed chamber 2. The receiving pipe 51 and the feed hopper 5 form a pre-storage chamber, and the water-containing ash to be dehydrated is pre-stored in the pre-storage chamber.
[0027] Specifically, the pushing mechanism 3 includes a pushing plate and a closing plate 32, the bottom of the pushing plate is in contact with the wear-resistant plate 31 and the filter plate; the closing plate 32 is fixedly connected to the top of the pushing plate, the closing plate 32 is in contact with the bottom of the cover plate, and when the pushing plate enters the dehydration chamber 1, the closing plate 32 is located at the bottom of the receiving pipe 51 to close one end of the bottom of the receiving pipe 51.
[0028] By setting the closing plate 32, when the pushing plate pushes the ash from the feed chamber 2 into the dehydration chamber 1, the closing plate 32 will be located at the bottom of the receiving pipe 51, and the bottom of the receiving pipe 51 will be closed by the closing plate 32, so that the ash in the receiving pipe 51 will not fall into the feed chamber 2 after the pushing plate enters the dehydration chamber 1.
[0029] Specifically, this embodiment also includes an air-water separation barrel 6, the bottom of the collecting bucket 4 is connected to the air-water separation barrel 6 through a pipe, the bottom of the air-water separation barrel 6 is connected to a pipe for discharging water, and one side of the air-water separation barrel 6 near the top is fixedly connected to a pipe connected to a negative pressure fan.
[0030] Specifically, a control panel is provided at one end of the cover away from the hopper 5, one end of the control panel is connected to the cover, and the other end is connected to the adjusting bolt; a fixing piece is provided above the end of the control panel away from the cover, the position of the fixing piece is fixed, the adjusting bolt vertically passes through the fixing piece, and nuts located at the top and bottom of the fixing piece are threadedly connected on the adjusting bolt. By adjusting the positions of the two nuts on the adjusting bolt, the inclination angle of the control panel can be adjusted, thereby controlling the moving speed of the ash in the dehydration chamber 1, and thereby adjusting the time the ash stays in the dehydration chamber 1.
[0031] Specifically, the pushing mechanism 3 also includes a fixed plate 34, a driving cylinder 35 and a connecting seat 33. The fixed plate 34 is fixedly connected to the inclined lower ends of the two side plates and is fixedly connected to the wear-resistant plate 31; the cylinder body of the driving cylinder 35 is fixedly connected to the fixed plate 34; the connecting seat 33 is fixedly connected to the side of the pushing plate close to the fixed plate 34, and the piston rod of the driving cylinder 35 is connected to the connecting seat 33.
[0032] Specifically, two fixed guide rails 36 are fixedly connected on both sides of the two side plates close to each other, and sliding guide rails 37 respectively arranged on the two fixed guide rails 36 are fixedly connected on both sides of the connecting seat 33. The sliding guide rails 37 slide on the fixed guide rails 36 along the sliding direction of the pusher plate.
[0033] Specifically, a recovery bucket located at the bottom of the wear-resistant plate 31 is fixedly connected to the position near the inclined lower end of the wear-resistant plate 31, and a pipeline for discharging water is fixedly connected to the bottom of the recovery bucket. Through the setting of the recovery bucket, the water flowing from the ash to the wear-resistant plate 31 can be collected and discharged centrally through the pipeline.
[0034] Specifically, a cleaning piece 52 is provided at the bottom of the receiving pipe 51 away from the cover plate, and the cleaning piece 52 is used to contact the top of the closing plate 32 to clean the top of the closing plate 32 to prevent ash adhered to the top of the closing plate 32 from leaving the receiving pipe 51.
[0035] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. A pusher type dehydration device, characterized in that: It comprises a dehydration chamber (1), wherein the dehydration chamber (1) is arranged obliquely, the inclined top end of the dehydration chamber (1) is a discharge end, and the inclined bottom end is a feed end; A collecting hopper (4), the collecting hopper (4) being fixedly connected to the bottom of the dehydration chamber (1), and a negative pressure being formed in the collecting hopper (4); A filter plate, the filter plate being arranged between the collecting hopper (4) and the dehydration chamber (1), and water and air in the ash can pass through the filter plate and enter the collecting hopper (4); And a pushing mechanism (3), wherein the pushing mechanism (3) is used to push the water-containing ash and slag from the inclined lower end of the dehydration chamber (1) into the dehydration chamber (1).
2. A pusher type dehydration device according to claim 1, characterized in that: It also comprises a feed chamber (2), the feed chamber (2) being arranged at the feed end of the dehydration chamber (1), the pushing mechanism (3) being arranged in the feed chamber (2) and being used for pushing the water-containing ash in the feed chamber (2) into the dehydration chamber (1); And a feed hopper (5), wherein the feed hopper (5) is fixed to the top of the feed chamber (2) and is located at one end of the feed chamber (2) close to the dehydration chamber (1).
3. A pusher type dehydration device according to claim 2, characterized in that: It also includes a wear-resistant bottom plate, which is located at the bottom of the feed chamber (2), and the wear-resistant plate (31) is fixedly connected to the filter plate; Side plates, wherein two side plates are provided, and the side plates are respectively fixedly connected to the two sides of the top of the wear-resistant plate (31), and the side plates are located on both sides of the feed chamber (2) and the dehydration chamber (1); and a cover plate, wherein the cover plate is fixedly connected to the top of the two side plates and is located at the top of the dehydration chamber (1).
4. A pusher type dehydration device according to claim 3, characterized in that: A material receiving pipe (51) is fixedly connected to the bottom of the feed hopper (5), and one end of the bottom of the material receiving pipe (51) is connected to the two side plates and the cover plate close to the feed chamber (2).
5. A pusher type dehydration device according to claim 4, characterized in that: The pushing mechanism (3) comprises a pushing plate, the bottom of which is in contact with the wear-resistant plate (31) and the filter plate; and a closing plate (32), wherein the closing plate (32) is fixedly connected to the top of the pushing plate, the closing plate (32) contacts the bottom of the cover plate, and when the pushing plate enters the dehydration chamber (1), the closing plate (32) is located at the bottom of the receiving pipe (51) to close one end of the bottom of the receiving pipe (51).
6. A pusher type dehydration device according to claim 1, characterized in that: It also comprises an air-water separation barrel (6), the bottom of the collecting bucket (4) is connected to the air-water separation barrel (6) via a pipeline, the bottom of the air-water separation barrel (6) is connected to a pipeline for discharging water, and a pipeline connected to a negative pressure fan is fixedly connected to one side of the air-water separation barrel (6) near the top.
7. A pusher type dehydration device according to claim 3, characterized in that: A control panel is provided at one end of the cover plate away from the feed hopper (5), one end of the control panel is connected to the cover plate, and the other end is connected to the adjusting bolt; The control board is arranged above one end away from the cover plate on a fixing piece, the fixing piece is fixed in position, the adjusting bolt vertically passes through the fixing piece and nuts respectively located at the top and bottom of the fixing piece are threadedly connected on the adjusting bolt.
8. A pusher type dehydration device according to claim 5, characterized in that: The pushing mechanism (3) further comprises a fixing plate (34), wherein the fixing plate (34) is fixedly connected to the inclined lower ends of the two side plates and is fixedly connected to the wear-resistant plate (31); A driving cylinder (35), the cylinder body of the driving cylinder (35) is fixedly connected to the fixing plate (34); and a connecting seat (33), wherein the connecting seat (33) is fixedly connected to a side of the push plate close to the fixed plate (34), and the piston rod of the driving cylinder (35) is connected to the connecting seat (33).
9. A pusher type dehydration device according to claim 3, characterized in that: A recovery bucket located at the bottom of the wear-resistant plate (31) is fixedly connected to a position near the inclined lower end of the wear-resistant plate (31), and a pipeline for discharging water is fixedly connected to the bottom of the recovery bucket.
10. A pusher type dehydration device according to claim 5, characterized in that: A cleaning piece (52) is provided at the bottom of the receiving pipe (51) away from the cover plate, and the cleaning piece (52) is used to contact the top of the closing plate (32) to clean the top of the closing plate (32) so as to prevent ash and slag adhered to the top of the closing plate (32) from leaving the receiving pipe (51).
Citation Information
Patent Citations
Vacuum negative pressure solid-liquid separation vibrating screen
CN105032756A
Efficient dehydration vacuum screen
CN214485935U