CN213895592U

CN213895592U - Low-temperature heat pump sludge drying machine with squeezing and water filtering functions

Info

Publication number: CN213895592U
Application number: CN202022666171.1U
Authority: CN
Inventors: 郭振明
Original assignee: Tianjin Wuzhoutongchuang Air-Conditioning And Refrigeration Pty Ltd
Current assignee: Tianjin Wuzhoutongchuang Air-Conditioning And Refrigeration Pty Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-06
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a low temperature heat pump sludge drying machine with extrusion drainage function, including the mummification box, mummification box one side is equipped with the extrusion drainage pan feeding subassembly that is used for the feeding, and the output of extrusion drainage pan feeding subassembly even has sheeting mechanism. The utility model discloses an extrusion drainage pan feeding subassembly treats mummification mud and carries out the preliminary treatment, detach most moisture in the mud through rotatory extrusion, carry out the drying to mud through low pressure heat pump and electric heating board, solved because of the high problem that leads to producing the foul smell of temperature, and drying cost is low. In addition, the arrangement of the tabletting mechanism can press the sludge to be dried to be uniform in thickness, and the sludge is dried after being uniform in thickness, so that the drying effect is good, and the problem of incomplete sludge drying is solved.

Description

Low-temperature heat pump sludge drying machine with squeezing and water filtering functions

Technical Field

The utility model relates to a sludge drying technical field especially relates to a low temperature heat pump sludge drying machine with extrusion drainage function.

Background

Along with the acceleration of the urbanization process, the discharge amount of urban industrial wastewater and domestic sewage is increasing day by day, the urban sewage treatment rate is also improved year by year, the sludge output of an urban sewage treatment plant is also increased sharply, the sewage treatment plant needs to discharge a large amount of excess sludge, the sludge with huge amount needs to be further treated, secondary pollution is caused if the sludge cannot be reasonably treated, the sludge drying treatment is most important in the sludge treatment process, and the dried sludge can be applied to land improvement, building material utilization and the like. The sludge drying equipment commonly used in the market at present generally directly carries out high-temperature heating to mud, and the moisture that contains in the evaporation mud not only required energy consumption is high, still can produce the foul smell when the temperature is too high, needs to install corresponding tail gas treatment facility and handles, and the cost is higher. In addition, when sludge is dried, the drying effect is poor due to different sludge thicknesses, and the problem of incomplete drying is easy to occur.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provide a low-temperature heat pump sludge drying machine with the function of squeezing and filtering water.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a low-temperature heat pump sludge drying machine with an extrusion water filtering function comprises a drying box body, wherein one side of the drying box body is provided with an extrusion water filtering feeding assembly for feeding, the output end of the extrusion water filtering feeding assembly is connected with a tabletting mechanism, the discharge end of the tabletting mechanism is positioned on one side of the upper part in the drying box body, a plurality of mesh belt conveyors distributed up and down are arranged in the drying box body, mesh belt rings of the mesh belt conveyors are internally provided with electric heating plates which are arranged on the inner wall of the drying box body, the discharge end of the mesh belt conveyor positioned above the two adjacent mesh belt conveyors is positioned right above the feed end of the mesh belt conveyor positioned below, the feed end of the mesh belt conveyor positioned at the top is positioned right below the discharge end of the tabletting mechanism, a hollow air distributing plate with the inner part fixedly connected with the inner wall of the drying box body is matched above each mesh belt conveyor, and the bottom surface of the air distributing plate is provided with a plurality of air outlet holes, one side of the drying box body is provided with a low-pressure heat pump, an air blower is installed at an air outlet of the low-pressure heat pump, an air outlet pipe is connected with an air outlet of the air blower, the other end of the air outlet pipe is blocked, an air outlet branch pipe used for conveying gas is connected between the air outlet pipe and the air homogenizing plate, an air outlet is formed in the drying box body, an exhaust fan is installed on the air outlet, a combustible gas concentration detection meter is installed on the top surface of the drying box body, a sludge outlet is formed in the lower end of the drying box body, and a switch valve is arranged on the sludge outlet.

Extrusion drainage pan feeding subassembly includes the fixed box that the level was placed, install round platform shape reducing cylinder in the fixed box, be equipped with a plurality of holes that leak on the reducing cylinder, the great one end top of reducing cylinder diameter is equipped with the mud import, fixed box is worn out to mud import upper end, fixed box rear side bottom is equipped with the delivery port, one side of the great one end of reducing cylinder diameter is equipped with horizontally motor No. one, motor is installed on fixed box, the output shaft of motor even has the rotation axis No. one after passing fixed box, a rotation axis is located reducing cylinder, even there is reducing helical blade on the rotation axis, the less one end of reducing cylinder diameter is the output, and the output is connected with sheeting mechanism.

The sheeting mechanism includes the horizontal four-edge box of top surface downward sloping bottom surface, and the higher one side of four-edge box top surface even has mud to advance a section of thick bamboo, and mud advances the other end of a section of thick bamboo and is connected with the less one end of reducing section of thick bamboo diameter, and the lower one end of four-edge box top surface is uncovered, and uncovered department laminating has vertical regulating plate, and the top surface of regulating plate even has vertical electronic jar, and electronic jar is installed on the mummification box.

The lower end of the drying box body is a trapezoidal funnel, a horizontal second motor is installed on one side of the lower end of the drying box body, an output shaft of the second motor penetrates through the side wall of the drying box body and then is connected with a horizontal second rotating shaft, and the second rotating shaft is connected with a plurality of cutting blades.

One side of the bottom of the discharge end of the mesh belt conveyor is attached with a scraper which is fixed on the inner wall of the drying box body.

The drying box body is sleeved with a fixing ring, and the bottom surface of the fixing ring is connected with a plurality of supporting legs.

The number of the mesh belt conveyors is 3.

The fixed box body is cuboid and is fixed on the bottom surface through a support frame.

The utility model has the advantages that: the utility model discloses at first treat the mud of mummification through extrusion drainage pan feeding subassembly and carry out the preliminary treatment, detach most moisture in the mud through rotatory extrusion, carry out the drying to mud through low pressure heat pump and electric heating board, solved because of the high problem that leads to producing the foul smell of temperature, and drying cost is low. In addition, the arrangement of the tabletting mechanism can press the sludge to be dried to be uniform in thickness, and the sludge is dried after being uniform in thickness, so that the drying effect is good, and the problem of incomplete sludge drying is solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1-drying box body; 2-extruding, filtering water and feeding the material into the assembly; 21-fixing the box body; 22-a reducer cylinder; 23-sludge inlet; 24-a water outlet; 25-motor number one; 26-first rotation axis; 27-helical blades; 3-a tabletting mechanism; 31-a quadrangular box; 32-sludge enters a cylinder; 33-adjusting plate; 34-an electric cylinder; 4-mesh belt conveyor; 5-air homogenizing plate; 6-air outlet holes; 7-an air outlet pipe; 8-a low pressure heat pump; 9-a blower; 10-an exhaust port; 11-an exhaust fan; 12-combustible gas concentration detection table; 13-sludge outlet; 14-a switch valve; 15-electric heating plate; 16-motor number two; 17-second rotation axis; 18-a cutting blade; 19-a scraper; 20-a fixed ring;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in figure 1, a low-temperature heat pump sludge drying machine with an extrusion water filtering function comprises a drying box body 1, wherein one side of the drying box body 1 is provided with an extrusion water filtering feeding assembly 2 for feeding, the output end of the extrusion water filtering feeding assembly 2 is connected with a tabletting mechanism 3, the discharge end of the tabletting mechanism 3 is positioned on one side of the upper part in the drying box body 1, a plurality of mesh belt conveyors 4 which are distributed up and down are arranged in the drying box body 1, an electric heating plate 15 is arranged in mesh belt rings of the mesh belt conveyors 4, the electric heating plate 15 is arranged on the inner wall of the drying box body 1, the discharge end of the mesh belt conveyor 4 which is positioned above the two adjacent mesh belt conveyors 4 is positioned right above the feed end of the mesh belt conveyor 4 which is positioned below, the feed end of the mesh belt conveyor 4 which is positioned uppermost is positioned right below the discharge end of the tabletting mechanism 3, and an air uniform plate 5 which is hollow inside is matched above each mesh belt conveyor 4, even aerofoil 5 and the 1 inner wall fixed connection of mummification box, and the bottom surface of even aerofoil 5 is equipped with a plurality of ventholes 6, one side of mummification box 1 is equipped with low pressure heat pump 8, air-blower 9 is installed to the air outlet department of low pressure heat pump 8, the gas outlet of air-blower 9 even has outlet duct 7, the other end shutoff of outlet duct 7, even have the outlet branch pipe that is used for gaseous conveying between outlet duct 7 and the even aerofoil 5, be equipped with gas vent 10 on the mummification box 1, install air discharge fan 11 on the gas vent 10, combustible gas concentration detection table 12 is installed to 1 top surface of mummification box, mummification box 1 lower extreme is equipped with mud outlet 13, be equipped with ooff valve 14 on the mud outlet 13.

Extrusion drainage pan feeding subassembly 2 includes the fixed box 21 that the level was placed, install round platform shape reducing cylinder 22 in the fixed box 21, be equipped with a plurality of holes that leak on the reducing cylinder 22, reducing cylinder 22 is straight to be equipped with mud import 23 through great one end top, fixed box 21 is worn out to mud import 23 upper end, fixed box 21 rear side bottom is equipped with delivery port 24, one side of the great one end of reducing cylinder 22 diameter is equipped with a horizontally motor 25, a motor 25 installs on fixed box 21, even there is a rotation axis 26 after a motor 25's output shaft passes fixed box 21, a rotation axis 26 is located reducing cylinder 22, even there is reducing helical blade 27 on a rotation axis 26, the less one end of reducing cylinder 22 diameter is the output, and the output is connected with sheeting mechanism 3.

Sheeting mechanism 3 includes that top surface downward sloping bottom surface horizontally four-edge box 31, and the higher one side of four-edge box 31 top surface even has mud to advance a section of thick bamboo 32, and mud advances the other end of a section of thick bamboo 32 and is connected with the less one end of reducing section of thick bamboo 22 diameter, and the lower one end of four-edge box 31 top surface is uncovered, and uncovered department's laminating has vertical regulating plate 33, and regulating plate 33's top surface even has vertical electronic jar 34, and electronic jar 34 is installed on mummification box 1.

The lower end of the drying box body 1 is a trapezoidal funnel, a horizontal second motor 16 is installed on one side of the lower end of the drying box body 1, an output shaft of the second motor 16 penetrates through the side wall of the drying box body 1 and then is connected with a horizontal second rotating shaft 17, and the second rotating shaft 17 is connected with a plurality of cutting blades 18.

A scraper 19 is attached to one side of the bottom of the discharge end of the mesh belt conveyor 4, and the scraper 19 is fixed on the inner wall of the drying box body 1.

The drying box body 1 is sleeved with a fixing ring 20, and the bottom surface of the fixing ring 20 is connected with a plurality of supporting legs.

The number of the mesh belt conveyors 4 is 3.

The fixed box 21 is rectangular, and the fixed box 21 is fixed on the bottom surface through a support frame.

The first motor 25 and the second motor 16 are explosion-proof motors.

The utility model is operated, sludge to be dried enters the reducer 22 from the sludge inlet 23, the motor 25 works, the rotating shaft 26 and the helical blade 27 rotate along with the motor 25, the helical blade 27 rotates to extrude the sludge, the extruded water flows out of the reducer 22 through the water leakage hole to the fixed box 21 and then flows out through the water outlet 24, the extruded sludge enters the quadrangular box 31 through the sludge inlet 32, the sewage is thinned during extrusion due to the inclination of the top surface of the quadrangular box 31, the thickness is uniform, the electric cylinder 34 works to drive the adjusting plate 33 to move up and down along the opening of the quadrangular box 31, the thickness of the sludge extruded from the quadrangular box 31 can be adjusted according to requirements, the extruded sludge falls into the uppermost mesh belt conveyor 4, the mesh belt conveyor 4 downwards conveys the uppermost mesh belt, in the conveying process of the mesh belt conveyors 4, the heat that low pressure heat pump 8 produced is gone into even aerofoil 5 in through air-blower 9 pump, and steam is exported through venthole 6 again, and then carries out the drying to mud, and simultaneously, electric heating board 15 work, and the mud of extruding is located between even aerofoil 5 and the electric heating board 15, and drying efficiency is high, and is effectual, and the mud after the mummification is accomplished falls into mummification box 1 bottom, and No. two motor 16 work drives cutting blade 18 rotatory, prevents that mud from locating the jam at sludge outlet 13. In addition, the combustible gas concentration detection meter 12 can detect the combustible gas concentration of the drying box body 1, when the concentration is too high, the combustible gas concentration detection meter 12 gives an alarm and prompts, and the worker turns on the switch of the exhaust fan 11 and discharges the combustible gas to prevent the drying box body 1 from exploding. The utility model discloses at first treat the mud of mummification through extrusion drainage pan feeding subassembly 2 and carry out the preliminary treatment, detach most moisture in the mud through rotatory extrusion, carry out the drying to mud through low pressure heat pump 8 and electric heating board 15, solved because of the high problem that leads to producing the foul smell of temperature, and drying cost is low. In addition, the arrangement of the tabletting mechanism 3 can press the sludge to be dried to uniform thickness, and the sludge is dried after the sludge is uniform in thickness, so that the drying effect is good, and the problem of incomplete sludge drying is solved.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A low-temperature heat pump sludge drier with an extrusion water filtering function comprises a drying box body (1) and is characterized in that one side of the drying box body (1) is provided with an extrusion water filtering feeding assembly (2) for feeding, the output end of the extrusion water filtering feeding assembly (2) is connected with a tabletting mechanism (3), the discharge end of the tabletting mechanism (3) is positioned on one side of the upper part in the drying box body (1), a plurality of vertically distributed mesh belt conveyors (4) are installed in the drying box body (1), an electric heating plate (15) is arranged in a mesh belt ring of the mesh belt conveyor (4), the electric heating plate (15) is installed on the inner wall of the drying box body (1), the discharge end of the mesh belt conveyor (4) positioned above in two adjacent mesh belt conveyors (4) is positioned right above the feed end of the mesh belt conveyor (4) positioned below, the feed end of the mesh belt conveyor (4) positioned above is positioned right below the discharge end of the tabletting mechanism (3), an even air plate (5) with a hollow inner part is matched above each mesh belt conveyor (4), the even air plate (5) is fixedly connected with the inner wall of the drying box body (1), and the bottom surface of even aerofoil (5) is equipped with a plurality of ventholes (6), one side of mummification box (1) is equipped with low pressure heat pump (8), air-blower (9) are installed to the air outlet department of low pressure heat pump (8), the gas outlet of air-blower (9) even has outlet duct (7), the other end shutoff of outlet duct (7), even have the branch pipe of giving vent to anger that is used for gaseous conveying between outlet duct (7) and even aerofoil (5), be equipped with gas vent (10) on mummification box (1), install air discharge fan (11) on gas vent (10), combustible gas concentration detection table (12) are installed to mummification box (1) top surface, mummification box (1) lower extreme is equipped with sludge outlet (13), be equipped with ooff valve (14) on sludge outlet (13).

2. The low-temperature heat pump sludge drying machine with the water squeezing and filtering function according to claim 1, wherein the water squeezing and filtering feeding assembly (2) comprises a fixed box body (21) which is horizontally arranged, a cone-shaped reducer (22) is installed in the fixed box body (21), a plurality of water leakage holes are formed in the reducer (22), a sludge inlet (23) is formed in the top of the end, with the larger diameter, of the reducer (22), the upper end of the sludge inlet (23) penetrates out of the fixed box body (21), a water outlet (24) is formed in the bottom of the rear side of the fixed box body (21), a horizontal first motor (25) is arranged on one side of the end, with the larger diameter, of the reducer (22), the first motor (25) is installed on the fixed box body (21), a first rotating shaft (26) is connected to the output shaft of the first motor (25) after penetrating through the fixed box body (21), and the first rotating shaft (26) is located in the reducer (22), the first rotating shaft (26) is connected with a reducing helical blade (27), the end of the reducing cylinder (22) with the smaller diameter is an output end, and the output end is connected with the tabletting mechanism (3).

3. The low-temperature heat pump sludge drying machine with the squeezing water filtering function according to claim 2, wherein the sheeting mechanism (3) comprises a rectangular box (31) with a downward inclined top surface and a horizontal bottom surface, a sludge inlet tube (32) is connected to the higher side of the top surface of the rectangular box (31), the other end of the sludge inlet tube (32) is connected with the smaller diameter end of the reducer tube (22), the lower end of the top surface of the rectangular box (31) is open, a vertical adjusting plate (33) is attached to the open, a vertical electric cylinder (34) is connected to the top surface of the adjusting plate (33), and the electric cylinder (34) is installed on the drying box body (1).

4. The low-temperature heat pump sludge drying machine with the water squeezing and filtering function according to claim 1, wherein the lower end of the drying box body (1) is a trapezoidal funnel, a horizontal second motor (16) is installed on one side of the lower end of the drying box body (1), an output shaft of the second motor (16) penetrates through the side wall of the drying box body (1) and then is connected with a horizontal second rotating shaft (17), and a plurality of cutting blades (18) are connected to the second rotating shaft (17).

5. The low-temperature heat pump sludge drying machine with the water squeezing and filtering function according to claim 1, wherein a scraper (19) is attached to one side of the bottom of the discharge end of the mesh belt conveyor (4), and the scraper (19) is fixed on the inner wall of the drying box body (1).

6. The low-temperature heat pump sludge drying machine with the water squeezing and filtering function according to claim 1, wherein a fixing ring (20) is sleeved on the drying box body (1), and a plurality of support legs are connected to the bottom surface of the fixing ring (20).

7. The low-temperature heat pump sludge drying machine with the water squeezing and filtering function according to claim 1, wherein the number of the mesh belt conveyors (4) is 3.

8. The low-temperature heat pump sludge drying machine with the water squeezing and filtering function according to claim 2, wherein the fixing box body (21) is rectangular, and the fixing box body (21) is fixed on the bottom surface through a support frame.