CN212703011U - Fineness negative pressure screen analysis appearance - Google Patents

Fineness negative pressure screen analysis appearance Download PDF

Info

Publication number
CN212703011U
CN212703011U CN202021133070.1U CN202021133070U CN212703011U CN 212703011 U CN212703011 U CN 212703011U CN 202021133070 U CN202021133070 U CN 202021133070U CN 212703011 U CN212703011 U CN 212703011U
Authority
CN
China
Prior art keywords
cyclone cylinder
filter screen
negative pressure
cyclone
communicated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021133070.1U
Other languages
Chinese (zh)
Inventor
蔡心映
徐龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Guanfeng Concrete Co ltd
Original Assignee
Dongguan Guanfeng Concrete Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Guanfeng Concrete Co ltd filed Critical Dongguan Guanfeng Concrete Co ltd
Priority to CN202021133070.1U priority Critical patent/CN212703011U/en
Application granted granted Critical
Publication of CN212703011U publication Critical patent/CN212703011U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the technical field of the technique that the cement fineness detected and specifically relates to a fineness negative pressure screen analysis appearance is related to, its technical scheme main points are: the device comprises a box body, a screening groove arranged at the top of the box body, an air pump arranged in the box body, and a cyclone cylinder arranged on the box body, wherein a screen is arranged in the screening groove, the air pump is communicated with an exhaust pipe, one end of the exhaust pipe, which is far away from the air pump, is provided with a conical flaring sleeve, two ends of the cyclone cylinder are arranged in a through manner, the conical flaring sleeve covers the top of the cyclone cylinder, a fixing component is arranged between the conical flaring sleeve and the cyclone cylinder, a filter screen is arranged between the conical flaring sleeve and the cyclone cylinder, two end faces of the filter screen are respectively abutted against the end face at the top end of the cyclone cylinder and the end face of the conical flaring sleeve, the bottom of the screening groove is communicated with the side; the utility model discloses have the effect of being convenient for clear up fine grain cement.

Description

Fineness negative pressure screen analysis appearance
Technical Field
The utility model belongs to the technical field of the technique that the cement fineness detected and specifically relates to a fineness negative pressure sieve analysis appearance is related to.
Background
The negative pressure fineness screen analyzer is mainly used for testing the fineness of portland cement, ordinary portland cement, slag portland cement, fly ash portland cement and composite portland cement, and when the negative pressure screen analyzer mainly uses air flow as a power medium for screening, fine particles with the particle size smaller than the aperture of a screen mesh are driven by the air flow to be pumped away through the screen mesh, while coarse particles with the particle size larger than the aperture of the screen mesh are left in the screen mesh, so that the purpose of screening is achieved.
For example, chinese patent with patent publication No. CN205580940U discloses a cement fineness analyzer, which comprises a box body, a dust collector, a sieve base, an ash collecting bottle and a cyclone cylinder, wherein the cyclone cylinder is arranged outside the box body, the ash collecting bottle is fixed to the bottom of the cyclone cylinder, the cyclone cylinder is connected with the box body in a sliding manner and can move towards a direction close to and away from the box body, and a containing groove for containing the cyclone cylinder and the ash collecting bottle is further arranged on the box body.
The above prior art solutions have the following drawbacks: the dust catcher is after long-time work, and inside can accumulate more fine particle cement, needs operating personnel regularly to take out the dust catcher, then unpacks the dust catcher apart, clears up the dust of the inside accumulation, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a fineness negative pressure screen analysis appearance, this screen analysis appearance has the advantage of being convenient for clear up fine grain cement.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a fineness negative pressure screen analysis appearance, includes the box, set up in the screening groove at box top, set up in the air pump in the box, set up in whirlwind section of thick bamboo on the box, screening inslot is provided with the sieve, the intercommunication has the exhaust tube on the air pump, the exhaust tube is kept away from the one end of air pump is provided with toper flaring cover, whirlwind section of thick bamboo is both ends and link up the setting, toper flaring capping close in whirlwind bobbin top, toper flaring cover with be provided with fixed subassembly between the whirlwind section of thick bamboo, toper flaring cover with be provided with the filter screen between the whirlwind section of thick bamboo, two terminal surfaces of filter screen contradict respectively in the top terminal surface of whirlwind section of thick bamboo and the terminal surface of toper flaring cover, screening tank bottom with be linked together through the dust absorption pipe between the lateral wall of whirlwind section of thick bamboo, the.
Through adopting above-mentioned technical scheme, operating personnel places cement on the sieve, then the air pump is bled, and fine particle cement passes through the screen cloth on the sieve under the negative pressure effect, then enters into the cyclone, and the filter screen in the cyclone filters fine particle cement, then drops in the storage bottle, when the filter screen takes place to block up and needs to clear up, unblock fixed subassembly, can be convenient pull down the filter screen and clear up.
The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises a plurality of screw rods arranged on the outer peripheral surface of the cyclone barrel at intervals in the circumferential direction, a nut in threaded sleeve connection with the screw rods, a plurality of fixing lugs arranged on the outer peripheral surface of the conical flaring sleeve and a bayonet arranged on the fixing lugs deviating from the conical flaring sleeve, one end of each screw rod is hinged to the outer peripheral surface of the cyclone barrel, the screw rods are rotatably inserted into the bayonets, and the nuts are in butt joint with the side walls of the fixing lugs.
By adopting the technical scheme, an operator places the filter screen between the conical flaring sleeve and the top end of the cyclone cylinder, then rotates the screw rod to be inserted into the bayonet, screws the nut, can firmly fix the conical flaring sleeve on the cyclone cylinder, and the conical flaring sleeve presses against the filter screen to fix the filter screen.
The present invention may be further configured in a preferred embodiment as: the both ends terminal surface of filter screen all is provided with the elasticity sealing washer.
By adopting the technical scheme, the elastic sealing ring can improve the sealing performance between the filter screen and the cyclone cylinder and between the filter screen and the conical flaring sleeve.
The present invention may be further configured in a preferred embodiment as: the box is internally provided with a fan which is communicated with a dust removal pipe, the dust removal pipe is communicated with the side wall of the cyclone cylinder and is positioned in the cyclone cylinder, and one end of the dust removal pipe, far away from the fan, faces the lower surface of the filter screen.
Through adopting above-mentioned technical scheme, fan work is spouted to the lower surface of filter screen through the dust removal pipe, reduces the speed that the filter screen took place to block up to reduce the frequency that operating personnel cleared up the filter screen.
The present invention may be further configured in a preferred embodiment as: the top edge of the cyclone cylinder is provided with a baffle in a direction parallel to the filter screen, the edge of the baffle is fixedly connected with the inner wall of the cyclone cylinder through a plurality of connecting rods, and the baffle is positioned right below the filter screen.
Through adopting above-mentioned technical scheme, fine grain cement is when the direction motion towards the filter screen, and the baffle can block partly fine grain cement, then this part fine grain cement drops in the storage bottle, reduces the filter screen and need filterable fine grain cement to further reduce the speed that the filter screen takes place to block up.
The present invention may be further configured in a preferred embodiment as: the top end of the outer peripheral surface of the storage bottle is an external thread end, the bottom end of the inner wall of the cyclone cylinder is an internal thread end, and the external thread end is in thread fit with the internal thread end.
Through adopting above-mentioned technical scheme, operating personnel with the external screw thread end threaded connection of storage bottle in the internal thread end of cyclone, can be with the firm fixing on the cyclone of storage bottle.
The present invention may be further configured in a preferred embodiment as: the fan is communicated with an air injection pipe, and one end, far away from the fan, of the air injection pipe is communicated with the bottom of the screening groove and faces the lower surface of the screen.
Through adopting above-mentioned technical scheme, fan work makes the jet-propelled pipe jet-blast to the lower surface of sieve, and the cement that awaits measuring in the sieve is the flow state form under the air current effect to along with the air current moves together, wherein the fine particle that the particle diameter is less than sieve screen cloth aperture is taken away through the screen cloth by the air current drive, and thereby the particle diameter is greater than the coarse grain of screen cloth and then stays in the screen cloth and reach the purpose of screening, thereby improves screening efficiency.
The present invention may be further configured in a preferred embodiment as: the sieve top is provided with the protective cover that is used for closing the sieve.
Through adopting above-mentioned technical scheme, the protective cover lid fits the sieve top and can prevent that the jet-propelled pipe from spouting when spouting, and cement is by spouting outside the sieve.
The present invention may be further configured in a preferred embodiment as: the protective cover is provided with a handle.
Through adopting above-mentioned technical scheme, operating personnel can be convenient open the protective cover through holding the handle.
To sum up, the utility model discloses a following at least one useful technological effect:
1. an operator places cement on a sieve, then air is pumped by an air pump, fine cement particles pass through a screen mesh on the sieve under the action of negative pressure and then enter a cyclone cylinder, a filter screen in the cyclone cylinder filters the fine cement particles, the fine cement particles fall into a storage bottle, and when the filter screen is blocked and needs to be cleaned, a fixing component is unlocked, so that the filter screen can be conveniently detached and cleaned;
2. the fan sprays air to the lower surface of the filter screen through the dust removal pipe during working, so that the speed of blocking the filter screen is reduced, and the frequency of cleaning the filter screen by operators is reduced;
3. the fan work makes the jet-propelled pipe jet-propelled to the lower surface of sieve, and the cement that awaits measuring in the sieve is the flow state form under the air current effect to along with the air current moves together, wherein the fine particle that the particle diameter is less than sieve screen cloth aperture is taken away through the screen cloth by the air current drive, and thereby the particle diameter is greater than the coarse grain of screen cloth hole and then stays the mesh in the screen cloth and reach the purpose of screening, thereby improves screening efficiency.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view showing the assembly relationship between the screen, the body and the cyclone according to the embodiment of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a box body; 11. a screening tank; 111. a convex edge; 12. a dust collection pipe; 13. a fan; 131. a dust removal pipe; 132. a gas ejector tube; 2. an air pump; 21. an air exhaust pipe; 22. a conical flaring sleeve; 221. fixing the bump; 222. a bayonet; 23. a filter screen; 3. a cyclone; 31. a screw; 311. a nut; 32. a baffle plate; 33. a connecting rod; 34. a material storage bottle; 4. sieving; 41. a protective cover; 411. a handle; 42. a screen cylinder; 43. and (4) screening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a fineness negative pressure screen analysis appearance, including box 1, install in the screening groove 11 at box 1 top, fixed mounting is in air pump 2 of box 1, along vertical direction fixed mounting cyclone 3 on box 1, the inside cavity setting that is of box 1, cyclone 3 is located the box 1 outside. Install sieve 4 in screening groove 11, sieve 4 including being a sieve section of thick bamboo 42 that both ends link up the setting and weld the screen cloth 43 in a sieve section of thick bamboo 42, and screening groove 11 inner wall circumference encircles integrated into one piece and has protruding edge 111, and one of them terminal surface of a sieve section of thick bamboo 42 is contradicted and is encircleed in protruding edge 111 and circumference and is fixed with elastic sealing ring (not shown in the figure), and elastic sealing ring can improve the leakproofness between sieve 4 and the screening groove 11.
Referring to fig. 1 and 2, a fan 13 is fixedly installed in the box body 1, the fan 13 is communicated with an air injection pipe 132, one end, far away from the fan 13, of the air injection pipe 132 is communicated with the bottom of the screening groove 11 and faces towards the screen 43, the fan 13 works to enable the air injection pipe 132 to inject air to the lower surface of the screen 4, and cement to be tested in the screen 4 is in a flow state under the action of air flow and moves along with the air flow, so that the screening efficiency is improved. Meanwhile, a protective cover 41 for covering the screen 4 is arranged at one end of the screen 4 far away from the convex edge 111, and the protective cover 41 can prevent cement from splashing out of the screen 4; in addition, the protective cover 41 is welded with a handle 411, and an operator can conveniently open the protective cover 41 by holding the handle 411. The two ends of the cyclone cylinder 3 are arranged in a through way, and the bottom of the screening groove 11 is communicated with the side wall of the cyclone cylinder 3 through a dust suction pipe 12. The bottom end of the cyclone cylinder 3 is detachably communicated with a storage bottle 34, the top end of the outer peripheral surface of the storage bottle 34 is an external thread end, the bottom end of the inner wall of the cyclone cylinder 3 is an internal thread end, and the external thread end is in thread fit with the internal thread end; an operator connects the external thread end of the storage bottle 34 to the internal thread end of the cyclone 3, so that the storage bottle 34 can be stably fixed on the cyclone 3.
Referring to fig. 1 and 2, an air pump 2 is communicated with an air extraction pipe 21, one end of the air extraction pipe 21, which is far away from the air pump 2, is welded with a conical flaring sleeve 22, the air extraction pipe 21 is communicated with a small opening end of the conical flaring sleeve 22, a large opening end of the conical flaring sleeve 22 covers the top of the cyclone barrel 3, a filter screen 23 is arranged between the conical flaring sleeve 22 and the cyclone barrel 3, and two end faces of the filter screen 23 are respectively attached to the top end face of the cyclone barrel 3 and the end face of the large opening end of the conical flaring sleeve 22. Meanwhile, in order to improve the sealing performance between the filter screen 23 and the cyclone cylinder 3 and the tapered flaring sleeve 22, elastic sealing rings (not shown) are bonded and fixed on the end surfaces of the two ends of the filter screen 23.
Referring to fig. 2 and 3, a fixing component is arranged between the conical flaring sleeve 22 and the cyclone cylinder 3; specifically, the fixing assembly comprises a plurality of screws 31 circumferentially arranged on the outer peripheral surface of the cyclone barrel 3 at intervals, a nut 311 in threaded sleeve connection with the screws 31, a plurality of fixing lugs 221 welded on the outer peripheral surface of the tapered flaring sleeve 22, and a bayonet 222 arranged on the fixing lugs 221 and deviating from the tapered flaring sleeve 22, wherein the plurality of fixing lugs 221 and the plurality of screws 31 are in one-to-one correspondence in number and position, one end of each screw 31 is hinged to the outer peripheral surface of the cyclone barrel 3, the screws 31 are rotatably inserted into the bayonet 222, and the nuts 311 are rotatably abutted against the side walls of the fixing lugs 221; an operator places the filter screen 23 between the conical flaring sleeve 22 and the top end of the cyclone cylinder 3, then rotates the screw 31 to be inserted into the bayonet 222, and screws the nut 311, so that the conical flaring sleeve 22 can be firmly fixed on the cyclone cylinder 3, and the large opening end of the conical flaring sleeve 22 is pressed against the filter screen 23 to fix the filter screen 23.
In addition, referring to fig. 2 and 3, the fan 13 is communicated with a dust removal pipe 131, the dust removal pipe 131 is communicated with the side wall of the cyclone 3 and is located in the cyclone 3, and one end of the dust removal pipe 131 away from the fan 13 faces the lower surface of the filter screen 23; meanwhile, a baffle 32 is arranged on the top edge of the cyclone cylinder 3 in a direction parallel to the filter screen 23, the edge of the baffle 32 is fixedly connected with the inner wall of the cyclone cylinder 3 through a plurality of connecting rods 33, one end of each connecting rod 33 is welded on the baffle 32, the other end of each connecting rod 33 is welded on the inner wall of the cyclone cylinder 3, and the baffle 32 is positioned right below the filter screen 23; when the fan 13 works, air is sprayed to the lower surface of the filter screen 23 through the dust removal pipe 131, the speed of blocking the filter screen 23 is reduced, when the fine cement moves towards the filter screen 23, the baffle 32 can block a part of the fine cement, and then the part of the fine cement falls into the storage bottle 34, so that the fine cement to be filtered by the filter screen 23 is reduced, and the speed of blocking the filter screen 23 is further reduced; thereby reducing the frequency with which the operator cleans the filter screen 23.
The implementation principle of the embodiment is as follows: the operating personnel places cement on sieve 4, then air pump 2 extracts air, and fine particle cement passes through the screen cloth 43 on the sieve 4 under the negative pressure effect, then enters into cyclone 3 in, and filter screen 23 in the cyclone 3 filters fine particle cement, then drops in storage bottle 34, when filter screen 23 takes place to block up and needs to clear up, unscrew nut 311, can be convenient pull down filter screen 23 and clear up.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a fineness negative pressure sieve analysis appearance which characterized in that: comprises a box body (1), a screening groove (11) arranged at the top of the box body (1), an air pump (2) arranged in the box body (1), and a cyclone cylinder (3) arranged on the box body (1), wherein a sieve (4) is arranged in the screening groove (11), the air pump (2) is communicated with an air suction pipe (21), one end of the air suction pipe (21) far away from the air pump (2) is provided with a conical flaring sleeve (22), the cyclone cylinder (3) is arranged with two ends through, the conical flaring sleeve (22) covers the top of the cyclone cylinder (3), a fixing component is arranged between the conical flaring sleeve (22) and the cyclone cylinder (3), a filter screen (23) is arranged between the conical flaring sleeve (22) and the cyclone cylinder (3), and two end faces of the filter screen (23) respectively butt against the top end face of the cyclone cylinder (3) and the end face of the conical flaring sleeve (22), the bottom of the screening groove (11) is communicated with the side wall of the cyclone cylinder (3) through a dust collection pipe (12), and the bottom end of the cyclone cylinder (3) is detachably communicated with a storage bottle (34).
2. The fineness negative pressure sieve analyzer of claim 1, characterized in that: the fixing component comprises a plurality of screw rods (31) which are circumferentially arranged on the outer peripheral surface of the cyclone barrel (3) at intervals, a nut (311) which is sleeved on the screw rods (31) in a threaded manner, a plurality of fixing lugs (221) which are arranged on the outer peripheral surface of the conical flaring sleeve (22), and a bayonet (222) which is arranged on the fixing lugs (221) and deviates from the conical flaring sleeve (22), one end of each screw rod (31) is hinged on the outer peripheral surface of the cyclone barrel (3), the screw rods (31) are rotatably inserted into the bayonet (222), and the nut (311) is rotatably abutted against the side walls of the fixing lugs (221).
3. The fineness negative pressure sieve analyzer of claim 1, characterized in that: and the end faces of two ends of the filter screen (23) are provided with elastic sealing rings.
4. The fineness negative pressure sieve analyzer of claim 1, characterized in that: the novel cyclone dust collector is characterized in that a fan (13) is arranged in the box body (1), the fan (13) is communicated with a dust removing pipe (131), the dust removing pipe (131) is communicated with the side wall of the cyclone cylinder (3) and is located in the cyclone cylinder (3), and one end, far away from the fan (13), of the dust removing pipe (131) faces towards the lower surface of the filter screen (23).
5. The fineness negative pressure sieve analyzer of claim 1, characterized in that: the top of the cyclone cylinder (3) is provided with a baffle (32) along the direction parallel to the filter screen (23), the edge of the baffle (32) is fixedly connected with the inner wall of the cyclone cylinder (3) through a plurality of connecting rods (33), and the baffle (32) is positioned right below the filter screen (23).
6. The fineness negative pressure sieve analyzer of claim 1, characterized in that: the top end of the outer peripheral surface of the storage bottle (34) is an external thread end, the bottom end of the inner wall of the cyclone cylinder (3) is an internal thread end, and the external thread end is in thread fit with the internal thread end.
7. A fineness negative pressure screen analyzer according to claim 4, characterized in that: the fan (13) is communicated with an air injection pipe (132), and one end, far away from the fan (13), of the air injection pipe (132) is communicated with the bottom of the screening groove (11) and faces the lower surface of the screen (4).
8. The fineness negative pressure sieve analyzer of claim 1, characterized in that: the top of the sieve (4) is provided with a protective cover (41) used for covering the sieve (4).
9. The fineness negative pressure screen analyzer according to claim 8, characterized in that: a handle (411) is arranged on the protective cover (41).
CN202021133070.1U 2020-06-18 2020-06-18 Fineness negative pressure screen analysis appearance Active CN212703011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021133070.1U CN212703011U (en) 2020-06-18 2020-06-18 Fineness negative pressure screen analysis appearance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021133070.1U CN212703011U (en) 2020-06-18 2020-06-18 Fineness negative pressure screen analysis appearance

Publications (1)

Publication Number Publication Date
CN212703011U true CN212703011U (en) 2021-03-16

Family

ID=74961693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021133070.1U Active CN212703011U (en) 2020-06-18 2020-06-18 Fineness negative pressure screen analysis appearance

Country Status (1)

Country Link
CN (1) CN212703011U (en)

Similar Documents

Publication Publication Date Title
CN210543959U (en) Filter cartridge dust removal equipment convenient for cleaning dust on surface of filter cartridge
CN212703011U (en) Fineness negative pressure screen analysis appearance
CN208465529U (en) A kind of bag-type dust environmental protection equipment
KR20110020504A (en) Portable dry/wet cyclone dust collector driven by air ejector
CN213492526U (en) Industrial pulse dust collection processing device
CN212166816U (en) Pulse bag type dust collector with filter bag convenient to clean
CN210645518U (en) Negative pressure dust absorption waste powder recovery unit
CN208578619U (en) A kind of automobile exhaust gas processing apparatus being convenient to clean
CN214681888U (en) Rice polishing preprocessing device
CN211885819U (en) Filter cartridge pulse dust collector
CN210905392U (en) Lower-detachable filter cartridge dust remover
CN209952500U (en) Dust removal unit suitable for powdery dust and smoke dust
CN209423847U (en) A kind of powder of lacquer putty for use on production workshop electrostatic dust collection equipment
CN209696513U (en) Dust-collecting bag deashing device
CN209138245U (en) Negative pressure sieve analysis instrument for cement fineness dust-extraction unit
CN219092744U (en) Negative pressure screen analysis instrument
CN215227224U (en) Garbage storage barrel of cleaning robot
CN220047426U (en) Pulse bag type dust collector of gas tank
CN210390519U (en) Exhaust device of laser marking machine
CN214182263U (en) Exhaust treatment device with pre-filtering function
CN213725590U (en) Cyclone separation device for dustproof pipeline
CN214551894U (en) Built-in cyclone bag-type dust collector
CN213761012U (en) Clean dust collection room without additional energy consumption
CN212904394U (en) Cement fineness negative pressure screen analysis equipment
CN216783915U (en) Packaging machine with dust removal mechanism

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant