CN213327282U

CN213327282U - Sludge sample pretreatment device

Info

Publication number: CN213327282U
Application number: CN202021948064.1U
Authority: CN
Inventors: 王吉秀; 李博; 李明锐; 祖艳群; 何永美; 秦丽
Original assignee: Yunnan Agricultural University
Current assignee: Yunnan Agricultural University
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-01
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a sludge sample pretreatment device, which comprises a box body, wherein a drying chamber is arranged on the box body, slots are arranged above the drying chamber, connecting holes are arranged on the slots, a drying and filtering device is inserted in each slot, the lower end of the box body is provided with a case, one side of the case is provided with a ventilation window, an air pump is arranged in the case, the air pump is communicated with a main air pipe, one end of the main air pipe is communicated with an auxiliary air duct, the auxiliary air duct is communicated with the drying chamber at the bottom of the box body, an auxiliary exhaust pipe is arranged at the upper end of the box body, the auxiliary exhaust pipe is communicated with the slot at the top; the inner wall of the drying chamber is provided with a heating wire, a temperature sensor and a humidity sensor, and the outer side of the box body is provided with a controller. The utility model discloses put the mud sample and heat in the drying chamber, the air pump to the drying chamber air feed, vapor and the stink that heating mud evaporated can be taken away by the air current, through filtration and drying, the last discharge is outdoor, reduces the stink in the mud to experimenter's influence.

Description

Sludge sample pretreatment device

Technical Field

The utility model relates to a detect technical field, in particular to mud sample preprocessing device.

Background

Sludge is a product after sewage treatment, and is an extremely complex heterogeneous body consisting of organic debris, bacterial cells, inorganic particles, colloids and the like. The main characteristics of the sludge are high water content (up to more than 99 percent), high organic matter content, easy decomposition and stink generation, fine particles, small specific gravity and colloidal liquid state.

Before carrying out mud and detecting, the mud sample of gathering needs to be dried, and mud itself has certain stink, and current desiccator and drying-machine are at the heating process, and the stink of mud can be full of whole laboratory, influences laboratory staff's operational environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mud sample preprocessing device puts the mud sample and heats in the drying chamber, and the air pump can be taken away by the air current to the drying chamber air feed, the vapor and the stink that heating mud evaporated, through filtering and drying, and the last discharge is outdoor, reduces the stink in the mud to experimenter's influence.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sludge sample pretreatment device comprises a box body, wherein a plurality of rows of drying chambers with openings at the front ends are arranged on the box body, each row is provided with at least two drying chambers, the opening end of each drying chamber is provided with an openable first box door, the box body is provided with a slot with an opening at the front end above each drying chamber, the slot is vertically provided with a connecting hole for communicating the two adjacent drying chambers up and down, an extractable drying and filtering device is inserted in the slot, the lower end of the box body is provided with a box which is hollow and has an opening at the front end, the opening end of the box is provided with an openable second box door, one side of the box is provided with a ventilation window communicated with the outside, an air pump is arranged in the box, an air inlet of the air pump is communicated with the box, an air outlet of the air pump is communicated with an air pipe, and one end of the main air pipe, a cavity corresponding to the drying chamber is arranged at the bottom of the box body, a through hole communicated with the drying chamber is formed in the upper end of the cavity, the auxiliary air guide pipes are respectively communicated with the cavity, a plurality of auxiliary exhaust pipes are arranged at the upper end of the box body and are respectively communicated with the slots in the top of the box body, one ends of the auxiliary exhaust pipes, far away from the box body, are connected with a main exhaust pipe, and one ends of the main exhaust pipes, far away from the auxiliary exhaust pipes, are communicated with the outside;

be equipped with the heater strip on the inner wall of drying chamber, be equipped with temperature sensor and humidity transducer in the drying chamber, the box outside is equipped with the controller, air pump, heater strip, temperature sensor and humidity transducer all with the controller electricity links.

The utility model discloses a further set up to: the drying chamber is characterized by further comprising a tray, the bottom of the drying chamber is provided with a clamping groove clamped with the bottom of the tray, a plastic bag body is arranged in the tray, the tray is matched with the plastic bag body for use, and the connecting holes are uniformly distributed in the peripheral sides of the clamping groove.

The utility model discloses a further set up to: the drying and filtering device comprises a frame body, a blocking strip, a drying layer, a filter screen and an invisible handle, wherein the left side and the right side of the frame body are in sliding fit with the inner wall of the slot, the blocking strip is horizontally arranged at the lower end of the inner wall of the frame body, the drying layer is arranged in the frame body, the filter screen is arranged at the upper end and the lower end of the drying layer, and the invisible handle is arranged at the front end of the frame body.

The utility model discloses a further set up to: and the plurality of auxiliary air ducts are provided with electromagnetic valves electrically connected with the controller.

The utility model discloses a further set up to: and a first handle is arranged on the first box door.

The utility model discloses a further set up to: and a second handle is arranged on the second box door.

To sum up, the utility model discloses following beneficial effect has:

one of the two, the utility model discloses put the mud sample in the tray, put the tray again and heat in the drying chamber, the air pump can be taken away by the air current to the drying chamber air feed, the vapor and the stink that heating mud evaporated, and the last discharge is outdoor, reduces the stink in the mud to experimenter's influence.

And secondly, the utility model discloses in communicate each other with the drying chamber of row, behind the air process drying and filtering device that gets into from the lower floor, can alleviate this layer to the influence of dry sample, improve drying effect, and the heat of lower floor can transmit this layer, makes the heat obtain effectual utilization.

Thirdly, the utility model provides a plastic bag body is used for placing the mud sample to put the plastic bag body and heat the drying in the tray, be convenient for like this take out the sample after the drying from the tray.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a box body; 11. a chamber; 12. a through hole; 2. a drying chamber; 21. a first door; 211. a first handle; 22. heating wires; 23. a temperature sensor; 24. a humidity sensor; 25. a card slot; 3. a slot; 31. connecting holes; 41. a frame body; 42. a stop bar; 43. drying the layer; 44. a filter screen; 45. an invisible handle; 5. a chassis; 51. a second door; 511. a second handle; 52. a ventilation window; 6. an air pump; 61. leading the air pipe; 62. a secondary airway; 63. an electromagnetic valve; 71. a secondary exhaust pipe; 72. a main exhaust pipe; 8. a controller; 9. a tray; 91. a plastic bag body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the embodiment, a sludge sample pretreatment device, as shown in fig. 1 to 3, includes a box 1, wherein a plurality of rows of drying chambers 2 with openings at the front ends are arranged on the box 1, and each row has at least two drying chambers 2, specifically, in the embodiment, two rows of drying chambers 2 are arranged on the box 1, and each row has three drying chambers 2, but of course, three rows of drying chambers 2 may be provided, and each row has two drying chambers 2; four rows of drying chambers 2, wherein the four drying chambers 2 in each row do not influence the protection range of the utility model; the open end of each drying chamber 2 is provided with an openable first box door 21, the box body 1 is provided with a slot 3 with an opening at the front end above each drying chamber 2, the slot 3 is vertically provided with a connecting hole 31 for communicating the two drying chambers 2 which are adjacent up and down, an extractable drying and filtering device is inserted in the slot 3, the lower end of the box body 1 is provided with a case 5 which is hollow inside and has an opening at the front end, the open end of the case 5 is provided with an openable second box door 51, one side of the case 5 is provided with a ventilating window 52 communicated with the outside, the case 5 is internally provided with an air pump 6, the air inlet of the air pump 6 is communicated with the case 5, the air outlet of the air pump 6 is communicated with a main air pipe 61, one end of the main air pipe 61 far away from the air pump 6 is communicated with a plurality of auxiliary air guide pipes 62, the bottom of the box body 1 is provided, the auxiliary air ducts 62 are respectively communicated with the chamber 11, the upper end of the box body 1 is provided with a plurality of auxiliary air ducts 71, the auxiliary air ducts 71 are respectively communicated with the slots 3 at the top of the box body 1, one ends of the auxiliary air ducts 71, which are far away from the box body 1, are connected with a main air duct 72, and one ends of the main air duct 72, which are far away from the auxiliary air ducts 71, are communicated with the outside.

In detail, the drying chambers 2 in the same row are communicated with each other, and the drying chambers 2 in the same row are used for drying the same sludge sample; after the drying and filtering device in the slot 3 dries and filters the lower-layer airflow, the filtering device can be replaced to ensure the normal drying of the sample at the next time; the air pump 6 takes away the water vapor in the drying chambers 2 in the same row to accelerate the drying speed; the exhaust pipe is indoor with the stink discharge that the mud sample evaporates, guarantees experimenter's operational environment.

The inner wall of the drying chamber 2 is provided with a heating wire 22, the drying chamber 2 is internally provided with a temperature sensor 23 and a humidity sensor 24, the outer side of the box body 1 is provided with a controller 8, and the air pump 6, the heating wire 22, the temperature sensor 23 and the humidity sensor 24 are all electrically connected with the controller 8.

In detail, the heating wire 22 heats the inside of the drying chamber 2 to accelerate the drying of the sample, the temperature sensor 23 is used for detecting the temperature inside the drying chamber 2 to ensure the stability of the heating temperature, and the humidity sensor 24 is used for detecting the humidity inside the drying chamber 2 to realize the drying degree of the sample; the controller 8 comprises a processor, a display and a keyboard, and the controller 8 is used for controlling the operation of the device and displaying the operation information of the device on the display.

Preferably, still include tray 9, the bottom of drying chamber 2 all is equipped with the draw-in groove 25 with the bottom block of tray 9, is equipped with plastic bag body 91 in the tray 9, and tray 9 uses with plastic bag body 91 cooperation, and connecting hole 31 evenly distributed is in the week side of draw-in groove 25. Particularly, during the heating, put the mud sample in plastic bag 91, the mud sample can not be attached to on tray 9, takes out convenient to use with plastic bag 91 after the mud sample is dry.

Preferably, the drying and filtering device includes a frame 41, a blocking bar 42, a drying layer 43, a filtering net 44 and an invisible handle 45, wherein the left and right sides of the frame 41 are in sliding fit with the inner wall of the slot 3, the blocking bar 42 is horizontally arranged at the lower end of the inner wall of the frame 41, the drying layer 43 is arranged in the frame 41, the filtering net 44 is arranged at the upper and lower ends of the drying layer 43, and the invisible handle 45 is arranged at the front end of the frame 41. Specifically, the drying layer 43 and the filter screen 44 are placed in the frame 41, the barrier 42 supports the drying layer 43 and the filter screen 44, and when the drying layer 43 and the filter screen 44 are deactivated, the frame 41 is pulled out, and the drying layer 43 and the filter screen 44 are replaced.

Preferably, the plurality of secondary air ducts 62 are provided with electromagnetic valves 63 electrically connected with the controller 8. In particular, it is convenient to control the respective operation of the rows of drying chambers 2.

Preferably, the first door 21 is provided with a first handle 211. Specifically, the first door 21 is facilitated to be opened.

Preferably, the second door 51 is provided with a second handle 511. Specifically, the second door 51 is facilitated to be opened.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a mud sample preprocessing device, includes box (1), its characterized in that: the drying cabinet is characterized in that a plurality of rows of drying chambers (2) with front ends open are arranged on the cabinet body (1), each row is provided with at least two drying chambers (2), the open end of each drying chamber (2) is provided with an openable first cabinet door (21), the cabinet body (1) is provided with a slot (3) with a front end open above each drying chamber (2), the slot (3) is vertically provided with a connecting hole (31) for communicating the two drying chambers (2) which are adjacent up and down, a drying and filtering device capable of being drawn out is inserted in the slot (3), the lower end of the cabinet body (1) is provided with a cabinet (5) which is hollow inside and has a front end open, the open end of the cabinet (5) is provided with an openable second cabinet door (51), one side of the cabinet (5) is provided with a ventilation window (52) communicated with the outside, an air pump (6) is arranged in the cabinet (5), and the air inlet of the air pump (, a gas outlet of the air pump (6) is communicated with a main air pipe (61), one end, far away from the air pump (6), of the main air pipe (61) is communicated with a plurality of auxiliary air guide pipes (62), a chamber (11) corresponding to the drying chamber (2) is arranged at the bottom of the box body (1), a through hole (12) communicated with the drying chamber (2) is formed in the upper end of the chamber (11), the plurality of auxiliary air guide pipes (62) are respectively communicated with the chamber (11), a plurality of auxiliary air exhaust pipes (71) are arranged at the upper end of the box body (1), the plurality of auxiliary air exhaust pipes (71) are respectively communicated with a slot (3) in the top of the box body (1), one ends, far away from the box body (1), of the plurality of auxiliary air exhaust pipes (71) are connected with a main air exhaust pipe (72), and one ends, far away from;

be equipped with heater strip (22) on the inner wall of drying chamber (2), be equipped with temperature sensor (23) and humidity transducer (24) in drying chamber (2), box (1) outside is equipped with controller (8), air pump (6), heater strip (22), temperature sensor (23) and humidity transducer (24) all with controller (8) electricity links.

2. The sludge sample pretreatment device of claim 1, wherein: still include tray (9), the bottom of drying chamber (2) all be equipped with draw-in groove (25) of the bottom block of tray (9), be equipped with plastic bag body (91) in tray (9), tray (9) use with plastic bag body (91) cooperation, connecting hole (31) evenly distributed in all sides of draw-in groove (25).

3. The sludge sample pretreatment device of claim 1, wherein: the dry filter equipment includes framework (41), shelves strip (42), dry layer (43), filter screen (44) and stealthy handle (45), the left and right sides of framework (41) all with slot (3) inner wall sliding fit, shelves strip (42) level is located the lower extreme of framework (41) inner wall, dry layer (43) are located in framework (41), the upper and lower both ends of dry layer (43) are located in filter screen (44), stealthy handle (45) are located the front end of framework (41).

4. The sludge sample pretreatment device of claim 1, wherein: and the auxiliary air ducts (62) are provided with electromagnetic valves (63) electrically connected with the controller (8).

5. The sludge sample pretreatment device of claim 1, wherein: the first box door (21) is provided with a first handle (211).

6. The sludge sample pretreatment device of claim 1, wherein: the second door (51) is provided with a second handle (511).