CN219347023U

CN219347023U - Cooling machine for molybdenum oxide production

Info

Publication number: CN219347023U
Application number: CN202320294033.6U
Authority: CN
Inventors: 康海龙; 全奎勇; 纪晓博; 李艳军; 王俊琚
Original assignee: CHAOYANG JINDA MOLYBDENUM INDUSTRY CO LTD
Current assignee: CHAOYANG JINDA MOLYBDENUM INDUSTRY CO LTD
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-14
Anticipated expiration: 2033-02-23

Abstract

The utility model belongs to the technical field of molybdenum oxide production, and discloses a cooler for molybdenum oxide production, which comprises a cooling cylinder, wherein the cooling cylinder is sleeved with a sleeve, end cover rings and rotary seals, the end cover rings are arranged at two ends of the sleeve, and the rotary seals are positioned between the end parts of the sleeve and the end cover rings; the lower side of the sleeve is fixedly provided with a supporting seat; one end of the upper side of the sleeve is communicated with a liquid inlet flange, and the other end of the lower side of the sleeve is communicated with a liquid outlet flange; and heat exchange plates are arranged on the outer side of the circumference of the cooling cylinder and are positioned inside the sleeve. According to the utility model, through the arrangement of the sleeve, the liquid inlet flange, the liquid outlet flange and other structures, the cooling liquid can be fully contacted with the cooling cylinder in a closed environment, and the utilization rate of the cooling liquid and the heat exchange effect are improved through the arrangement of the heat exchange plates; meanwhile, the contact between the cooling liquid and the external environment can be avoided, and impurities such as dust and the like can not be doped, so that the treatment burden during recycling of the cooling liquid can not be increased.

Description

Cooling machine for molybdenum oxide production

Technical Field

The utility model belongs to the technical field of molybdenum oxide production, and particularly relates to a cooler for molybdenum oxide production.

Background

The preparation process of the molybdenum oxide comprises the following steps: the method comprises the steps of raw material blending of molybdenum concentrate, material mixing of a spiral feeder, drying of a waste heat flash evaporator, storage of a storage bin, feeding of a spiral conveyor, carbon-free roasting of a rotary kiln, discharge of molybdenum oxide, cooling of a cooler, crushing of a hammer crusher, material mixing of a rotary mixer, and finally discharged material is the finished molybdenum oxide product.

The existing cooler mainly comprises a cooling cylinder, rolling rings, supporting wheels, a spraying mechanism, a driving mechanism and the like, wherein the cooling cylinder is cylindrical, 3 to 5 rolling rings are uniformly distributed on the outer side of the circumference of the cooling cylinder, each rolling ring is supported by the supporting wheels in a rolling way, the driving mechanism (usually adopts a motor, a speed reducer and a gear ring) rotates the cooling cylinder, and materials (molybdenum oxide) enter from one end of the cooling cylinder and are discharged from the other end of the cooling cylinder; meanwhile, a spraying mechanism (usually adopting a mode of a pump, a conveying pipe and a spray head) sprays cooling liquid above the cooling cylinder to cool the cooling cylinder, so that materials conveyed inside the cooling cylinder are cooled;

the cooling liquid flows from top to bottom along the outer surface of the cooling cylinder and finally enters the recovery box for recycling, in the process, the outer surface of the cooling cylinder close to the spraying mechanism is fully contacted with the cooling liquid, and the cooling liquid is converged into a plurality of flow paths when flowing downwards, so that the lower side cooling liquid is not fully contacted with the cooling cylinder, particularly the bottom, the cooling liquid utilization rate is low, the heat exchange effect is poor, and the cooling liquid directly contacted with air is easy to be doped with impurities such as dust, so that the treatment burden during recycling is increased;

in order to solve the problems, we propose a cooler for molybdenum oxide production.

Disclosure of Invention

The utility model aims to provide a cooling machine for molybdenum oxide production, which enables cooling liquid to be fully contacted with a cooling cylinder in a closed environment, improves the utilization rate and the heat exchange effect of the cooling liquid, and solves the problems of low utilization rate, poor heat exchange effect and easy impurity doping of the cooling liquid in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cooling machine for producing the molybdenum oxide comprises a cooling cylinder, wherein the cooling cylinder is sleeved with a sleeve, end cover rings and rotary seals, the end cover rings are arranged at two ends of the sleeve, and the rotary seals are positioned between the end parts of the sleeve and the end cover rings; the lower side of the sleeve is fixedly provided with a supporting seat; one end of the upper side of the sleeve is communicated with a liquid inlet flange, and the other end of the lower side of the sleeve is communicated with a liquid outlet flange; and heat exchange plates are arranged on the outer side of the circumference of the cooling cylinder and are positioned inside the sleeve.

Further, the conveying direction of the cooling liquid in the sleeve is opposite to the conveying direction of the material in the cooling cylinder.

Further, the heat exchange plates are obliquely arranged, and the heat exchange plates are uniformly distributed in a spiral mode along the outer side of the circumference of the cooling cylinder.

Further, stepped annular grooves are formed in two ends of the sleeve, a compression ring is arranged at the end part, close to the sleeve, of the end cover ring, and one side, close to the stepped annular grooves and the compression ring, of the end cover ring is abutted against the rotary seal.

Furthermore, the side walls of the stepped annular groove, the compression ring and the rotary seal are inclined planes, and the size of the end parts of the inclined planes, which are close to each other, is larger than that of the end parts of the inclined planes, which are far away from each other.

Further, a gasket is arranged between the sleeve and the end cover ring.

Further, the sleeve includes half barrel, edge and bolt group, and half barrel's quantity is two and lock assembly, and half barrel's both sides all are provided with the edge, and the through-hole has evenly been seted up to the edge, and the bolt group passes the through-hole of alignment and locks the edge of alignment.

Further, a water level sensor is installed on the upper side of the sleeve through a connecting pipe.

Further, an exhaust valve is arranged on the upper side of the sleeve through a connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the cooler for producing molybdenum oxide, through the arrangement of the sleeve, the liquid inlet flange, the liquid outlet flange and other structures, cooling liquid can be fully contacted with the cooling cylinder in a closed environment, and through the arrangement of the heat exchange plates, the utilization rate of the cooling liquid and the heat exchange effect are improved; meanwhile, the contact between the cooling liquid and the external environment can be avoided, and impurities such as dust and the like can not be doped, so that the treatment burden during recycling of the cooling liquid can not be increased.

Drawings

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 3 is a partial schematic cross-sectional view of one form of rotary seal of the present utility model;

fig. 4 is a partially schematic cross-sectional view of another form of rotary seal of the present utility model.

In the figure: the cooling device comprises a cooling cylinder 1, a liquid outlet flange 2, a supporting seat 3, a sleeve 4, a semi-type cylinder 41, a flange 42, a bolt group 43, a heat exchange plate 5, a liquid inlet flange 6, a water level sensor 7, an exhaust valve 8, a rotary seal 9, an end cover ring 10, a step annular groove 11, a compression ring 12 and a gasket 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, the present utility model provides a technical solution: the cooling machine for molybdenum oxide production comprises a cooling cylinder 1, wherein the cooling cylinder 1 is sleeved with a sleeve 4, end cover rings 10 and rotary seals 9, the end cover rings 10 are arranged at two ends of the sleeve 4, the rotary seals 9 are positioned between the end parts of the sleeve 4 and the end cover rings 10, the installed end cover rings 10 can tightly support the rotary seals 9 at the end parts of the sleeve 4, so that gaps between the end cover rings 10 and the sleeve 4 are sealed, a heat exchange cavity can be formed between the inside of the sleeve 4 and the cooling cylinder 1, and the heat exchange cavity is used for flowing cooling liquid; the rotary seal 9 consists of a slip ring and rubber O-shaped rings which are symmetrically arranged at two ends and is used for sealing a rotary part and bearing the existing parts of pressure at two sides; the downside fixed mounting of sleeve 4 has supporting seat 3, and the quantity of supporting seat 3 is set up according to the total length equidistance of sleeve 4, guarantees the firm support to sleeve 4.

One end of the upper side of the sleeve 4 is communicated with a liquid inlet flange 6, the other end of the lower side of the sleeve 4 is communicated with a liquid outlet flange 2, the liquid inlet flange 6 and the liquid outlet flange 2 are connected with an external heat exchange facility, the heat exchange facility mainly comprises a low-temperature cooling liquid storage box, a high-temperature cooling liquid storage box, a pump, an electromagnetic valve and a conveying pipe, and electric components in the heat exchange facility are electrically connected with a controller in a control cabinet of the cooler; the liquid inlet flange 6 is communicated with the low-temperature cooling liquid storage tank through an electromagnetic valve, a conveying pipe and a pump in sequence, and the liquid outlet flange 2 is communicated with the high-temperature cooling liquid storage tank through the electromagnetic valve and the conveying pipe; the heat exchange plates 5 are arranged on the outer side of the circumference of the cooling cylinder 1, the heat exchange plates 5 are positioned inside the sleeve 4, and the contact area between the outer side of the circumference of the cooling cylinder 1 and cooling liquid can be increased through the heat exchange plates 5, so that the heat exchange efficiency is improved.

According to the utility model, through the arrangement of the sleeve 4, the liquid inlet flange 6, the liquid outlet flange 2 and other structures, the cooling liquid can be fully contacted with the cooling cylinder 1 in a closed environment, and through the arrangement of the heat exchange plates 5, the utilization rate of the cooling liquid and the heat exchange effect are improved, and the problem that the cooling liquid is not fully contacted with the cooling cylinder 1 in the original spraying structure is solved; meanwhile, the contact between the cooling liquid and the external environment can be avoided, and impurities such as dust and the like can not be doped, so that the treatment burden during recycling of the cooling liquid can not be increased.

Further:

referring to fig. 1, the conveying direction of the cooling liquid in the sleeve 4 is opposite to the conveying direction of the material (molybdenum oxide) in the cooling cylinder 1; the cooling liquid enters from the liquid inlet flange 6 at one end of the sleeve 4, is discharged from the liquid outlet flange 2 at the other end of the sleeve 4, and has a fixed conveying direction, and meanwhile, the conveying direction of the material in the cooling cylinder 1 is required to be opposite to the conveying direction of the cooling liquid, so that opposite conveying is formed, and the heat exchange efficiency is improved more favorably.

Referring to fig. 2, the heat exchange plates 5 are obliquely arranged, and the heat exchange plates 5 are uniformly distributed in a spiral shape along the outer side of the circumference of the cooling cylinder 1; when the heat exchange plates 5 distributed in this way rotate along with the cooling cylinder 1, the resistance of conveying the cooling liquid in the sleeve 4 can be increased, and meanwhile, the mixing of the low-temperature cooling liquid and the high-temperature cooling liquid is facilitated, so that the heat exchange is more sufficient.

Referring to fig. 3, stepped annular grooves 11 are formed at two ends of the sleeve 4, a compression ring 12 is arranged at the end of the end cover ring 10, which is close to the sleeve 4, and one side, which is close to each other, of the stepped annular grooves 11 and the compression ring 12 is propped against the rotary seal 9; preferably, the side walls of the stepped annular groove 11, the compression ring 12 and the rotary seal 9 are inclined surfaces, and the end dimensions of the inclined surfaces close to each other are larger than the end dimensions of the inclined surfaces distant from each other. The end cover ring 10 is provided with a flange hole, a screw penetrates through the flange hole to enable the end cover ring 10 to be installed on the sleeve 4, meanwhile, the rotary seal 9 is extruded, and the extrusion force of the inclined surface on the stepped annular groove 11 and the inclined surface on the compression ring 12 to the rotary seal 9 can be adjusted through adjusting the screw joint depth of the screw, so that the rotation resistance can be reduced on the premise of keeping sealing.

Referring to fig. 4, optionally, a spacer 13 is installed between the sleeve 4 and the end cap ring 10, the stacking number of the spacers 13 can be adjusted according to the screwing depth of the screws, the thickness of each spacer 13 is 1mm, and the screwing depth of the screws can be adjusted more accurately, so that the extrusion force of the rotary seal 9 can be adjusted more accurately.

Referring to fig. 1, for easy installation, the sleeve 4 adopts a split splicing structure, the sleeve 4 includes two half-type cylinders 41, edges 42 and bolt groups 43, the half-type cylinders 41 are assembled in a buckled manner, the edges 42 are arranged on both sides of the half-type cylinders 41, through holes are uniformly formed in the edges 42, and the bolt groups 43 penetrate through the aligned through holes and lock the aligned edges 42; the aligned edges 42 are clamped with gaskets therebetween to ensure tightness of the interior of the sleeve 4, and the sleeve 4 of this construction facilitates installation and disassembly for maintenance.

The water level sensor 7 is installed through the connecting pipe to the upside of sleeve 4, and water level sensor 7 is connected with the controller electricity in the cooler switch board for whether the inside coolant liquid of monitoring sleeve 4 is full of whole sleeve 4, guarantees that the coolant liquid cladding cooling cylinder 1 completely, guarantees that the heat transfer is comprehensive.

The exhaust valve 8 is installed through the connecting pipe to the upside of sleeve 4, and exhaust valve 8 can be when the inside coolant liquid that fills of sleeve 4, or when the coolant liquid circulate, outwards discharge the inside gas of sleeve 4, avoids cooling cylinder 1 upside to appear the air cavity, and leads to the unable complete cladding cooling cylinder 1's of coolant liquid condition to take place.

The specific application mode of the embodiment is as follows:

at the beginning, an electromagnetic valve connected with the liquid outlet flange 2 is closed, and an electromagnetic valve connected with the liquid inlet flange 6 is opened; the cooling liquid is pressurized and enters the heat exchange cavity to be filled, and when the water level sensor 7 monitors the set water level, the electromagnetic valve connected with the liquid outlet flange 2 is opened, so that the cooling liquid can continuously circulate; meanwhile, the cooling cylinder 1 drives the heat exchange plates 5 to rotate, and the flowing direction of the cooling liquid is opposite to the conveying direction of the materials, so that high-efficiency heat exchange can be performed; in the process, the exhaust valve 8 discharges the gas in the sleeve 4 outwards, so that the gas cavity is avoided at the upper side of the heat exchange cavity; the collected high-temperature cooling liquid can be reused.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A cooler for molybdenum oxide production, including cooling cylinder (1), its characterized in that: the cooling cylinder (1) is sleeved with a sleeve (4), end cover rings (10) and rotary seals (9), the end cover rings (10) are arranged at two ends of the sleeve (4), and the rotary seals (9) are positioned between the end parts of the sleeve (4) and the end cover rings (10); the lower side of the sleeve (4) is fixedly provided with a supporting seat (3); one end of the upper side of the sleeve (4) is communicated with a liquid inlet flange (6), and the other end of the lower side of the sleeve (4) is communicated with a liquid outlet flange (2); the heat exchange plates (5) are arranged on the outer side of the circumference of the cooling cylinder (1), and the heat exchange plates (5) are positioned in the sleeve (4).

2. The cooler for molybdenum oxide production according to claim 1, wherein: the conveying direction of the cooling liquid in the sleeve (4) is opposite to the conveying direction of the materials in the cooling cylinder (1).

3. The cooler for molybdenum oxide production according to claim 1, wherein: the heat exchange plates (5) are obliquely arranged, and the heat exchange plates (5) are uniformly distributed in a spiral mode along the outer side of the circumference of the cooling cylinder (1).

4. The cooler for molybdenum oxide production according to claim 1, wherein: the two ends of the sleeve (4) are provided with stepped annular grooves (11), the end part of the end cover ring (10) close to the sleeve (4) is provided with a compression ring (12), and one side of the stepped annular grooves (11) close to the compression ring (12) is propped against the rotary seal (9).

5. The cooler for molybdenum oxide production according to claim 4, wherein: the side walls of the stepped annular groove (11), the compression ring (12) and the rotary seal (9) are inclined surfaces, and the size of the end parts of the inclined surfaces, which are close to each other, is larger than that of the end parts of the inclined surfaces, which are far away from each other.

6. The cooler for molybdenum oxide production according to claim 5, wherein: a gasket (13) is arranged between the sleeve (4) and the end cover ring (10).

7. The cooler for molybdenum oxide production according to claim 1, wherein: the sleeve (4) comprises a half-type cylinder body (41), edges (42) and bolt groups (43), wherein the number of the half-type cylinder bodies (41) is two, the half-type cylinder bodies are assembled in a buckled mode, the edges (42) are arranged on two sides of each half-type cylinder body (41), through holes are uniformly formed in the edges (42), and the bolt groups (43) penetrate through the aligned through holes and lock the aligned edges (42).

8. The cooler for molybdenum oxide production according to claim 1, wherein: the upper side of the sleeve (4) is provided with a water level sensor (7) through a connecting pipe.

9. The cooler for molybdenum oxide production according to claim 1, wherein: an exhaust valve (8) is arranged on the upper side of the sleeve (4) through a connecting pipe.