Protective unit air supply system

Abstract

The utility model relates to the technical field of protection unit air supply systems, and discloses a protection unit air supply system which comprises two supports, the tops of the two supports are fixedly connected with a shell, the left side of the interior of the shell is fixedly connected with a transverse plate, the top of the transverse plate is fixedly connected with a motor, and the right side of the motor is fixedly connected with fan blades. The right side of the shell is communicated with a radioactivity detection sampling tube, the right side of the radioactivity detection sampling tube is communicated with a dust filter pressure difference measuring tube, the right side of the dust filter pressure difference measuring tube is fixedly connected with a filter, and the interior of the filter is fixedly connected with a filter screen. According to the utility model, the motor drives the fan blades to rotate, the radioactivity detection sampling tube is used for sampling and detecting the environment, the pressure difference measuring tube of the dust filter detects the conditions of the filter screen and the filter according to the pressure difference, the filter screen blocks dust, and the pressure difference measuring tube of the filter absorber monitors the work of itself, so that the air purification efficiency and the energy utilization efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a protection unit air supply system technical field especially relates to a protection unit air supply system. BACKGROUND

[0002] The protection unit air supply system is an air conveying device used in the protection engineering, mainly provides clean air to the inside of the protection unit to meet the breathing demand of the sheltered personnel, maintains the suitable air environment in the protection unit through the high -efficient filter material and the purification means, guarantees that the air that enters the protection unit meets the safety standard.

[0003] Through the retrieval, the patent of China announcement number is: CN217753402U, this disclosure relates to three prevent equipment technical field especially relates to a kind of air supply type three prevent systems, the air supply type three prevent systems include: air inlet valve, filter device, box and air outlet assembly;The box is equipped with air inlet and air outlet, the air inlet valve and the air outlet assembly are correspondingly arranged at the air inlet and the air outlet;The air inlet valve includes air inlet hole, moving piece and locking structure;The air inlet hole is opened in the box, and forms the air inlet;The moving piece is installed on the box, and is used to close or open the air inlet hole;The locking structure is used to fix the moving piece;The filter device is connected with the air inlet hole and the air outlet assembly, the air supply type three prevent systems, by the setting of locking structure, the moving piece can be stably locked on the box after opening or closing the air inlet hole, to improve the stability and reliability of entire three prevent systems, but when using, because the import and export are not provided with filter device, leading to the air purification effect of import and export is poor. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a protection unit air supply system, aims at improving the problem of poor air purification effect of import and export in the prior art because the import and export are not provided with filter device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a protection unit air supply system, including two supports, the top of two The support is fixedly connected with the shell, the inside left side of the shell is fixedly connected with the horizontal plate, the top of the horizontal plate is fixedly connected with the motor, the right side of the motor is fixedly connected with the fan blade, the right side of the shell is communicated with the radioactive detection sampling pipe, the right side of the radioactive detection sampling pipe is communicated with the dust filter pressure difference measuring pipe, the right side of the dust filter pressure difference measuring pipe is fixedly connected with the filter, the inside of the filter is fixedly connected with the filter screen, the right side of the filter is communicated with the filter absorber pressure difference measuring pipe, the right side of the filter absorber pressure difference measuring pipe is communicated with the electric sealing valve, the front side of the filter screen is provided with dismounting mechanism, the dismounting mechanism is used for quickly dismounting filter screen.

[0006] Through the technical scheme, the two supports support the shell, the motor is fixed at the top of the horizontal plate on the left side in the shell, the fan rotates at high speed to form suction through starting of the motor, air flows into the shell from the left side, the radioactive detection sampling pipe collects radioactive material samples, the filter dust collector pressure difference measuring pipe inspects the filter screen and filter state according to the pressure difference, the filter screen blocks dust, the filter absorber pressure difference measuring pipe closely monitors its own working condition, thereby improving air purification efficiency and energy utilization efficiency, the electric sealing valve is communicated with the right side of the filter absorber pressure difference measuring pipe, and the opening and closing of the fan plate in the electric sealing valve are controlled to realize the size of the blowing wind speed.

[0007] As a further description of the above technical scheme:

[0008] The dismounting mechanism comprises a fixing frame, the rear side of the fixing frame is fixedly connected to the front side of the filter screen, the front side of the fixing frame is fixedly connected with a fixed plate, circular holes are formed in the upper and lower sides of the filter, vertical columns are fixedly connected to the upper and lower middle parts of the fixing frame, springs are fixedly connected to the upper and lower middle parts of the fixing frame, and clamping blocks are fixedly connected to the top of the two springs.

[0009] Through the technical scheme, when the filter screen is installed, the fixing frame and the filter screen are pushed into the filter together, the vertical column is guided along the circular hole, the clamping block is clamped into the circular hole to complete clamping and fixing under the spring force, when the filter screen is dismounted, the fixed plate drives the fixing frame under stress by pulling the pull ring, the spring is compressed, the clamping block is withdrawn from the circular hole, and after complete withdrawal, the fixing frame and the filter screen can be smoothly pulled out of the filter, thereby realizing convenient installation and dismounting of the filter screen.

[0010] As a further description of the above technical scheme:

[0011] The front side of the outer wall of the shell is fixedly connected with a connecting plate, and the front side of the connecting plate is fixedly connected with a warning sign.

[0012] Through the technical scheme, the warning sign is arranged on the connecting plate on the front side of the outer wall of the shell, which can remind surrounding personnel to pay attention to safety and avoid approaching the dangerous area due to negligence.

[0013] As a further description of the above technical scheme:

[0014] A protective sleeve is fixedly connected at the connection between the radioactive detection sampling pipe and the filter dust collector pressure difference measuring pipe, and the protective sleeve is designed in a smooth manner.

[0015] Through the technical scheme, the protective sleeve designed in a smooth manner at the connection between the radioactive detection sampling pipe and the filter dust collector pressure difference measuring pipe can prevent the connection from being damaged due to external force collision or friction.

[0016] As a further description of the above technical scheme:

[0017] The bottom of the protective sleeve is fixedly connected with a supporting column, and the bottom of the supporting column is fixedly connected with a supporting plate.

[0018] The supporting column and the supporting plate at the bottom provide reliable supporting force for the connection, ensuring the stable connection of the sampling tube and the differential pressure measuring tube.

[0019] Further to the above technical solution,

[0020] The top of the electric sealing valve is fixedly connected with a lamp holder, and the top of the lamp holder is fixedly connected with an illuminating lamp.

[0021] The lamp holder at the top of the electric sealing valve supports the illuminating lamp, which can effectively dispel darkness in the working area and provide good visual conditions for operation and maintenance.

[0022] Further to the above technical solution,

[0023] The front side of the fixed plate is fixedly connected with a fixed block in the middle, and the front side of the fixed block is fixedly connected with a pull ring.

[0024] The fixed block in the middle of the front side of the fixed plate is connected with the pull ring, which facilitates the pulling operation of the operator on the fixed frame, and facilitates the inspection, replacement and maintenance of the filter screen.

[0025] Further to the above technical solution,

[0026] The radioactive detection sampling tube and the differential pressure measuring tube of the dust filter are equal in size, and the two springs are symmetrically distributed.

[0027] The radioactive detection sampling tube and the differential pressure measuring tube of the dust filter are equal in size, and the two springs are symmetrically distributed.

[0028] The utility model has the following beneficial effects:

[0029] 1、 in the utility model, the fan blade rotates at high speed to form suction force through motor starting, air flows into from the left side of the shell, the radioactive detection sampling tube collects radioactive material sample, provides the basis for environmental assessment, the differential pressure measuring tube of the dust filter inspects the filter screen and filter state according to pressure difference, the filter screen blocks dust, and the differential pressure measuring tube of the filter absorber closely watches its own working condition, thereby improve air purification efficiency and energy utilization efficiency are realized.

[0030] 2. The utility model discloses, install filter screen, fixed frame and filter screen together advance filter, and the column is along the round hole orientation, and the clamping block is with spring force and is clamped into the round hole and completes the clamping fixation, and when disassembling, pull the pull ring and make the fixed plate drive fixed frame stress, and the spring compression, and the clamping block is from the round hole and withdraws, and after completely withdrawing, fixed frame and filter screen can smoothly draw out filter, thereby realize filter screen convenient installation and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A three-dimensional view of a protection unit air supply system is provided for the utility model;

[0032] Figure 2 A front view of a protection unit air supply system is provided for the utility model;

[0033] Figure 3 A left view of a protection unit air supply system is provided for the utility model;

[0034] Figure 4 A structural schematic view of a filter screen of a protection unit air supply system is provided for the utility model;

[0035] Figure 5 A structural schematic view of a spring of a protection unit air supply system is provided for the utility model.

[0036] LEGEND:

[0037] 1, support, 2, disassembly mechanism, 201, fixed frame, 202, fixed plate, 203, round hole, 204, column, 205, spring, 206, clamping block, 3, shell, 4, horizontal plate, 5, motor, 6, fan blade, 7, radioactive detection sampling pipe, 8, dust filter differential pressure measuring pipe, 9, filter, 10, filter screen, 11, filter absorber differential pressure measuring pipe, 12, electric sealing valve, 13, connecting plate, 14, warning sign, 15, support plate, 16, support column, 17, protective sleeve, 18, lamp holder, 19, illuminating lamp, 20, fixed block, 21, pull ring. DETAILED DESCRIPTION

[0038] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0039] REFERENCE Figure 1 , Figure 3 and Figure 4The utility model provides an embodiment: a protection unit air supply system, including two support 1, support shell 3, two support 1's top fixedly connected with shell 3, for the protection inside structure, shell 3's inside left side fixedly connected with cross board 4, place motor 5, cross board 4's top fixedly connected with motor 5, motor 5's right side fixedly connected with fan blade 6, motor 5 rotation drives fan blade 6 to rotate, realizes blowing, shell 3's right side is connected with radioactive detection sampling pipe 7, for the gas sample of gathering containing radioactive material, radioactive detection sampling pipe 7's right side is connected with filter dust ware pressure difference measuring tube 8, for measuring the pressure difference of filter 9 both sides, filter dust ware pressure difference measuring tube 8's right side fixedly connected with filter 9, filter 9's inside fixedly connected with filter screen 10, for filtering the harmful material in air, filter 9's right side is connected with filter absorber pressure difference measuring tube 11, for accurate measurement the pressure difference between filter 9 import and export, filter absorber pressure difference measuring tube 11's right side is connected with electric close valve 12, through the control electric close valve 12 in fan board opening and closing, realizes the size of blowing wind speed, the front side of filter screen 10 is provided with dismounting mechanism 2, and dismounting mechanism 2 is used for quick dismounting filter screen 10;

[0040] Specifically, two support 1 supports shell 3, inside left side of shell 3, cross board 4 top fixed with motor 5, motor 5 rotates and drives fan blade 6 to rotate, generates airflow and realizes blowing function, radioactive detection sampling pipe 7 connected with right side of shell 3 can accurately collect gas sample containing radioactive material, filter dust ware pressure difference measuring tube 8 can accurately measure pressure difference of filter 9 both sides, filter screen 10 in filter 9 effectively filters harmful material in air, filter absorber pressure difference measuring tube 11 accurately monitors import and export pressure difference of filter absorber, and rightmost electric close valve 12 flexibly adjusts blowing wind speed by controlling fan board opening and closing degree.

[0041] Refer to Figure 5 Dismounting mechanism 2 includes fixed frame 201, the rear side of fixed frame 201 is fixedly connected to the front side of filter screen 10, is used for fixing filter screen 10, the front side of fixed frame 201 is fixedly connected with fixed plate 202, is used for pulling fixed frame 201, the inside upper and lower sides of filter 9 are all provided with round hole 203, the upper and lower sides of fixed frame 201 are all fixedly connected with stand 204 in middle part, are used for fixed position, the upper and lower sides of fixed frame 201 are all fixedly connected with spring 205 in middle part, the top of two spring 205 is all fixedly connected with clamping block 206, and clamping block 206 can be clamped into the inside of round hole 203 and is clamped by the elasticity of spring 205;

[0042] Specifically, the rear side of the fixed frame 201 is connected to the front side of the filter screen 10 to ensure that the filter screen 10 is stable and does not shift. The front side of the fixed plate 202 is used to pull the fixed frame 201. The round holes 203 on the upper and lower sides of the filter 9 cooperate with the vertical columns 204 in the middle of the upper and lower sides of the fixed frame 201 to preliminarily determine the position of the fixed frame 201. The spring 205 and the clamping block 206 on the top of the spring 205 can be smoothly clamped into the inside of the round hole 203, achieving firm clamping and further enhancing the stability and reliability of the filter screen 10 fixing structure.

[0043] With reference to Figure 1 and Figure 2 , the front side of the outer wall of the shell 3 is fixedly connected with a connecting plate 13, and the front side of the connecting plate 13 is fixedly connected with a warning sign 14 for reminding safety. The connecting part of the radioactive detection sampling pipe 7 and the filter dust collector differential pressure measuring pipe 8 is fixedly connected with a protective sleeve 15, which is designed to be smooth to prevent damage to the connecting part. The bottom of the protective sleeve 15 is fixedly connected with a support column 16, and the bottom of the support column 16 is fixedly connected with a support plate 17 for supporting the connecting part of the radioactive detection sampling pipe 7 and the filter dust collector differential pressure measuring pipe 8.

[0044] Specifically, the connecting plate 13 on the front side of the outer wall of the shell 3 is provided with a warning sign 14, which can remind the surrounding personnel to pay attention to safety and avoid approaching the dangerous area due to negligence. At the connecting part of the radioactive detection sampling pipe 7 and the filter dust collector differential pressure measuring pipe 8, the smooth design of the protective sleeve 15 can prevent the connecting part from being damaged due to external force collision or friction. The support column 16 and the support plate 17 at the bottom provide reliable support force for the connecting part, ensuring the stability of the connection between the sampling pipe and the differential pressure measuring pipe.

[0045] With reference to Figure 1 and Figure 2 , the top of the electrically operated airtight valve 12 is fixedly connected with a lamp holder 18, and the top of the lamp holder 18 is fixedly connected with a lighting lamp 19 to increase the brightness of the working area. The middle of the front side of the fixed plate 202 is fixedly connected with a fixed block 20, and the front side of the fixed block 20 is fixedly connected with a pull ring 21 for conveniently pulling the fixed frame 201. The radioactive detection sampling pipe 7 and the filter dust collector differential pressure measuring pipe 8 are equal in size, and the two springs 205 are symmetrically distributed.

[0046] Specifically, the lamp holder 18 at the top of the electrically operated airtight valve 12 supports the lighting lamp 19, which can effectively dispel the darkness in the working area, providing good visual conditions for operation and maintenance, and improving work efficiency and accuracy. The fixed block 20 in the middle of the front side of the fixed plate 202 is connected with the pull ring 21, which facilitates the pulling operation of the fixed frame 201 by the operator, and is convenient for the inspection, replacement and maintenance of the filter screen 10. In addition, the radioactive detection sampling pipe 7 and the filter dust collector differential pressure measuring pipe 8 are the same size, and the two springs 205 are symmetrically distributed, making the structure more stable and balanced.

[0047] Working principle: when working, the motor 5 starts, drives the fan blade 6 to rotate at high speed, air is sucked from the left side of the shell 3 and pushed to the right, the radioactive detection sampling pipe 7 collects the radioactive material gas sample contained in the airflow when the airflow passes, so as to detect and analyze the environmental radioactivity condition subsequently, the dust filter differential pressure measuring pipe 8 judges the clogging degree of the filter screen 10 and the working state of the filter 9 by monitoring the pressure difference before and after the filter 9, the filter screen 10 intercepts and filters dust and other harmful substances in the air, the filter absorber differential pressure measuring pipe 11 monitors the working condition of the filter absorber, ensures that it effectively filters and absorbs specific harmful components, and the electric sealing valve 12 adjusts the opening and closing of the fan plate according to the demand, changes the ventilation section area, thereby controlling the airflow velocity, and realizes accurate adjustment of the blowing wind speed;

[0048] When the filter screen 10 is to be installed, the fixed frame 201 with the filter screen 10 is pushed into the filter 9, the vertical columns 204 on the upper and lower sides of the fixed frame 201 move along the direction of the round holes 203 on the upper and lower sides of the filter 9, when the clamping blocks 206 contact the positions of the round holes 203, the clamping blocks 206 are smoothly clamped into the inside of the round holes 203 under the elastic force of the springs 205 in the natural state or slightly compressed state, the fixed frame 201 is firmly clamped with the filter 9, when the filter screen 10 needs to be disassembled for cleaning or replacement, the pull ring 21 on the front middle part of the fixed plate 202 is pulled, the pull ring 21 drives the fixed plate 202, and then the fixed frame 201 is stressed, at this time, the springs 205 on the fixed frame 201 are further compressed, and the clamping blocks 206 are withdrawn from the round holes 203 along with the compression of the springs 205, when the clamping blocks 206 completely exit the round holes 203, the fixed frame 201 together with the filter screen 10 can be smoothly pulled out from the filter 9, so that the filter screen 10 is maintained or a new filter screen 10 is replaced.

[0049] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A protective unit air supply system comprising two supports (1), characterised in that: The top of two said supports (1) is fixedly connected with an outer shell (3), the inner left side of the outer shell (3) is fixedly connected with a horizontal plate (4), the top of the horizontal plate (4) is fixedly connected with a motor (5), the right side of the motor (5) is fixedly connected with a fan blade (6), the right side of the outer shell (3) is communicated with a radioactive detection sampling pipe (7), the right side of the radioactive detection sampling pipe (7) is communicated with a dust filter differential pressure measuring pipe (8), the right side of the dust filter differential pressure measuring pipe (8) is fixedly connected with a filter (9), the inside of the filter (9) is fixedly connected with a filter screen (10), the right side of the filter (9) is communicated with a filter absorber differential pressure measuring pipe (11), the right side of the filter absorber differential pressure measuring pipe (11) is communicated with an electric sealing valve (12), the front side of the filter screen (10) is provided with a dismounting mechanism (2), and the dismounting mechanism (2) is used for quickly dismounting the filter screen (10).

2. A protective cell air supply system according to claim 1, wherein: The dismounting mechanism (2) comprises a fixing frame (201), the rear side of the fixing frame (201) is fixedly connected to the front side of the filter screen (10), the front side of the fixing frame (201) is fixedly connected with a fixed plate (202), the inside of the filter (9) is provided with a circular hole (203) on the upper side and the lower side, the upper side and the lower side of the middle part of the fixing frame (201) are fixedly connected with a stand column (204), the upper side and the lower side of the middle part of the fixing frame (201) are fixedly connected with a spring (205), and the top of two said springs (205) is fixedly connected with a clamping block (206).

3. The protective cell air supply system of claim 1, wherein: The front side of the outer wall of the outer shell (3) is fixedly connected with a connecting plate (13), and the front side of the connecting plate (13) is fixedly connected with a warning sign (14).

4. The protective cell air supply system of claim 1, wherein: The connecting part of the radioactive detection sampling pipe (7) and the dust filter differential pressure measuring pipe (8) is fixedly connected with a protective sleeve (15), and the protective sleeve (15) is designed in a round and smooth manner.

5. A protective cell air supply system according to claim 4, wherein: The bottom of the protective sleeve (15) is fixedly connected with a supporting column (16), and the bottom of the supporting column (16) is fixedly connected with a supporting plate (17).

6. The protective cell delivery system of claim 1, wherein: The top of the electric sealing valve (12) is fixedly connected with a lamp holder (18), and the top of the lamp holder (18) is fixedly connected with an illuminating lamp (19).

7. The protective cell delivery system of claim 2, wherein: The front side of the fixed plate (202) is fixedly connected with a fixed block (20), and the front side of the fixed block (20) is fixedly connected with a pull ring (21).

8. The protective cell air supply system of claim 2, wherein: The radioactive detection sampling pipe (7) and the dust filter differential pressure measuring pipe (8) are equal in size, and two said springs (205) are symmetrically distributed.

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